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-rw-r--r--xorg-server/Xext/bigreq.c155
-rw-r--r--xorg-server/Xext/dpms.c746
-rw-r--r--xorg-server/Xext/geext.c16
-rw-r--r--xorg-server/Xext/panoramiX.c74
-rw-r--r--xorg-server/Xext/panoramiXSwap.c26
-rw-r--r--xorg-server/Xext/panoramiXsrv.h2
-rw-r--r--xorg-server/Xext/saver.c3008
-rw-r--r--xorg-server/Xext/security.c2287
-rw-r--r--xorg-server/Xext/shape.c2504
-rw-r--r--xorg-server/Xext/shm.c114
-rw-r--r--xorg-server/Xext/sync.c5802
-rw-r--r--xorg-server/Xext/xcmisc.c408
-rw-r--r--xorg-server/Xext/xf86bigfont.c62
-rw-r--r--xorg-server/Xext/xres.c744
-rw-r--r--xorg-server/Xext/xselinux_ext.c64
-rw-r--r--xorg-server/Xext/xtest.c30
-rw-r--r--xorg-server/Xext/xvdisp.c407
17 files changed, 8119 insertions, 8330 deletions
diff --git a/xorg-server/Xext/bigreq.c b/xorg-server/Xext/bigreq.c
index 3dcb69579..a939e1699 100644
--- a/xorg-server/Xext/bigreq.c
+++ b/xorg-server/Xext/bigreq.c
@@ -1,78 +1,77 @@
-/*
-
-Copyright 1992, 1998 The Open Group
-
-Permission to use, copy, modify, distribute, and sell this software and its
-documentation for any purpose is hereby granted without fee, provided that
-the above copyright notice appear in all copies and that both that
-copyright notice and this permission notice appear in supporting
-documentation.
-
-The above copyright notice and this permission notice shall be included
-in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
-OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
-ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
-OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of The Open Group shall
-not be used in advertising or otherwise to promote the sale, use or
-other dealings in this Software without prior written authorization
-from The Open Group.
-
-*/
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <X11/X.h>
-#include <X11/Xproto.h>
-#include "misc.h"
-#include "os.h"
-#include "dixstruct.h"
-#include "extnsionst.h"
-#include <X11/extensions/bigreqsproto.h>
-#include "opaque.h"
-#include "modinit.h"
-
-void BigReqExtensionInit(INITARGS);
-
-static int
-ProcBigReqDispatch (ClientPtr client)
-{
- REQUEST(xBigReqEnableReq);
- xBigReqEnableReply rep;
- int n;
-
- if (client->swapped) {
- swaps(&stuff->length, n);
- }
- if (stuff->brReqType != X_BigReqEnable)
- return BadRequest;
- REQUEST_SIZE_MATCH(xBigReqEnableReq);
- client->big_requests = TRUE;
- memset(&rep, 0, sizeof(xBigReqEnableReply));
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- rep.max_request_size = maxBigRequestSize;
- if (client->swapped) {
- swaps(&rep.sequenceNumber, n);
- swapl(&rep.max_request_size, n);
- }
- WriteToClient(client, sizeof(xBigReqEnableReply), (char *)&rep);
- return Success;
-}
-
-void
-BigReqExtensionInit(INITARGS)
-{
- AddExtension(XBigReqExtensionName, 0, 0,
- ProcBigReqDispatch, ProcBigReqDispatch,
- NULL, StandardMinorOpcode);
-}
+/*
+
+Copyright 1992, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from The Open Group.
+
+*/
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include "misc.h"
+#include "os.h"
+#include "dixstruct.h"
+#include "extnsionst.h"
+#include <X11/extensions/bigreqsproto.h>
+#include "opaque.h"
+#include "modinit.h"
+
+void BigReqExtensionInit(INITARGS);
+
+static int
+ProcBigReqDispatch (ClientPtr client)
+{
+ REQUEST(xBigReqEnableReq);
+ xBigReqEnableReply rep;
+
+ if (client->swapped) {
+ swaps(&stuff->length);
+ }
+ if (stuff->brReqType != X_BigReqEnable)
+ return BadRequest;
+ REQUEST_SIZE_MATCH(xBigReqEnableReq);
+ client->big_requests = TRUE;
+ memset(&rep, 0, sizeof(xBigReqEnableReply));
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.max_request_size = maxBigRequestSize;
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.max_request_size);
+ }
+ WriteToClient(client, sizeof(xBigReqEnableReply), (char *)&rep);
+ return Success;
+}
+
+void
+BigReqExtensionInit(INITARGS)
+{
+ AddExtension(XBigReqExtensionName, 0, 0,
+ ProcBigReqDispatch, ProcBigReqDispatch,
+ NULL, StandardMinorOpcode);
+}
diff --git a/xorg-server/Xext/dpms.c b/xorg-server/Xext/dpms.c
index 13854f704..0c8f18f47 100644
--- a/xorg-server/Xext/dpms.c
+++ b/xorg-server/Xext/dpms.c
@@ -1,379 +1,367 @@
-/*****************************************************************
-
-Copyright (c) 1996 Digital Equipment Corporation, Maynard, Massachusetts.
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software.
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
-DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING,
-BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY,
-WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
-IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of Digital Equipment Corporation
-shall not be used in advertising or otherwise to promote the sale, use or other
-dealings in this Software without prior written authorization from Digital
-Equipment Corporation.
-
-******************************************************************/
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <X11/X.h>
-#include <X11/Xproto.h>
-#include "misc.h"
-#include "os.h"
-#include "dixstruct.h"
-#include "extnsionst.h"
-#include "opaque.h"
-#include <X11/extensions/dpmsproto.h>
-#include "dpmsproc.h"
-#include "modinit.h"
-
-static int
-ProcDPMSGetVersion(ClientPtr client)
-{
- /* REQUEST(xDPMSGetVersionReq); */
- xDPMSGetVersionReply rep;
- int n;
-
- REQUEST_SIZE_MATCH(xDPMSGetVersionReq);
-
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- rep.majorVersion = DPMSMajorVersion;
- rep.minorVersion = DPMSMinorVersion;
- if (client->swapped) {
- swaps(&rep.sequenceNumber, n);
- swaps(&rep.majorVersion, n);
- swaps(&rep.minorVersion, n);
- }
- WriteToClient(client, sizeof(xDPMSGetVersionReply), (char *)&rep);
- return Success;
-}
-
-static int
-ProcDPMSCapable(ClientPtr client)
-{
- /* REQUEST(xDPMSCapableReq); */
- xDPMSCapableReply rep;
- int n;
-
- REQUEST_SIZE_MATCH(xDPMSCapableReq);
-
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- rep.capable = DPMSCapableFlag;
-
- if (client->swapped) {
- swaps(&rep.sequenceNumber, n);
- }
- WriteToClient(client, sizeof(xDPMSCapableReply), (char *)&rep);
- return Success;
-}
-
-static int
-ProcDPMSGetTimeouts(ClientPtr client)
-{
- /* REQUEST(xDPMSGetTimeoutsReq); */
- xDPMSGetTimeoutsReply rep;
- int n;
-
- REQUEST_SIZE_MATCH(xDPMSGetTimeoutsReq);
-
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- rep.standby = DPMSStandbyTime / MILLI_PER_SECOND;
- rep.suspend = DPMSSuspendTime / MILLI_PER_SECOND;
- rep.off = DPMSOffTime / MILLI_PER_SECOND;
-
- if (client->swapped) {
- swaps(&rep.sequenceNumber, n);
- swaps(&rep.standby, n);
- swaps(&rep.suspend, n);
- swaps(&rep.off, n);
- }
- WriteToClient(client, sizeof(xDPMSGetTimeoutsReply), (char *)&rep);
- return Success;
-}
-
-static int
-ProcDPMSSetTimeouts(ClientPtr client)
-{
- REQUEST(xDPMSSetTimeoutsReq);
-
- REQUEST_SIZE_MATCH(xDPMSSetTimeoutsReq);
-
- if ((stuff->off != 0)&&(stuff->off < stuff->suspend))
- {
- client->errorValue = stuff->off;
- return BadValue;
- }
- if ((stuff->suspend != 0)&&(stuff->suspend < stuff->standby))
- {
- client->errorValue = stuff->suspend;
- return BadValue;
- }
-
- DPMSStandbyTime = stuff->standby * MILLI_PER_SECOND;
- DPMSSuspendTime = stuff->suspend * MILLI_PER_SECOND;
- DPMSOffTime = stuff->off * MILLI_PER_SECOND;
- SetScreenSaverTimer();
-
- return Success;
-}
-
-static int
-ProcDPMSEnable(ClientPtr client)
-{
- Bool was_enabled = DPMSEnabled;
-
- REQUEST_SIZE_MATCH(xDPMSEnableReq);
-
- if (DPMSCapableFlag) {
- DPMSEnabled = TRUE;
- if (!was_enabled)
- SetScreenSaverTimer();
- }
-
- return Success;
-}
-
-static int
-ProcDPMSDisable(ClientPtr client)
-{
- /* REQUEST(xDPMSDisableReq); */
-
- REQUEST_SIZE_MATCH(xDPMSDisableReq);
-
- DPMSSet(client, DPMSModeOn);
-
- DPMSEnabled = FALSE;
-
- return Success;
-}
-
-static int
-ProcDPMSForceLevel(ClientPtr client)
-{
- REQUEST(xDPMSForceLevelReq);
-
- REQUEST_SIZE_MATCH(xDPMSForceLevelReq);
-
- if (!DPMSEnabled)
- return BadMatch;
-
- if (stuff->level != DPMSModeOn &&
- stuff->level != DPMSModeStandby &&
- stuff->level != DPMSModeSuspend &&
- stuff->level != DPMSModeOff) {
- client->errorValue = stuff->level;
- return BadValue;
- }
-
- DPMSSet(client, stuff->level);
-
- return Success;
-}
-
-static int
-ProcDPMSInfo(ClientPtr client)
-{
- /* REQUEST(xDPMSInfoReq); */
- xDPMSInfoReply rep;
- int n;
-
- REQUEST_SIZE_MATCH(xDPMSInfoReq);
-
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- rep.power_level = DPMSPowerLevel;
- rep.state = DPMSEnabled;
-
- if (client->swapped) {
- swaps(&rep.sequenceNumber, n);
- swaps(&rep.power_level, n);
- }
- WriteToClient(client, sizeof(xDPMSInfoReply), (char *)&rep);
- return Success;
-}
-
-static int
-ProcDPMSDispatch (ClientPtr client)
-{
- REQUEST(xReq);
-
- switch (stuff->data)
- {
- case X_DPMSGetVersion:
- return ProcDPMSGetVersion(client);
- case X_DPMSCapable:
- return ProcDPMSCapable(client);
- case X_DPMSGetTimeouts:
- return ProcDPMSGetTimeouts(client);
- case X_DPMSSetTimeouts:
- return ProcDPMSSetTimeouts(client);
- case X_DPMSEnable:
- return ProcDPMSEnable(client);
- case X_DPMSDisable:
- return ProcDPMSDisable(client);
- case X_DPMSForceLevel:
- return ProcDPMSForceLevel(client);
- case X_DPMSInfo:
- return ProcDPMSInfo(client);
- default:
- return BadRequest;
- }
-}
-
-static int
-SProcDPMSGetVersion(ClientPtr client)
-{
- int n;
- REQUEST(xDPMSGetVersionReq);
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH(xDPMSGetVersionReq);
- swaps(&stuff->majorVersion, n);
- swaps(&stuff->minorVersion, n);
- return ProcDPMSGetVersion(client);
-}
-
-static int
-SProcDPMSCapable(ClientPtr client)
-{
- REQUEST(xDPMSCapableReq);
- int n;
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH(xDPMSCapableReq);
-
- return ProcDPMSCapable(client);
-}
-
-static int
-SProcDPMSGetTimeouts(ClientPtr client)
-{
- REQUEST(xDPMSGetTimeoutsReq);
- int n;
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH(xDPMSGetTimeoutsReq);
-
- return ProcDPMSGetTimeouts(client);
-}
-
-static int
-SProcDPMSSetTimeouts(ClientPtr client)
-{
- REQUEST(xDPMSSetTimeoutsReq);
- int n;
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH(xDPMSSetTimeoutsReq);
-
- swaps(&stuff->standby, n);
- swaps(&stuff->suspend, n);
- swaps(&stuff->off, n);
- return ProcDPMSSetTimeouts(client);
-}
-
-static int
-SProcDPMSEnable(ClientPtr client)
-{
- REQUEST(xDPMSEnableReq);
- int n;
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH(xDPMSEnableReq);
-
- return ProcDPMSEnable(client);
-}
-
-static int
-SProcDPMSDisable(ClientPtr client)
-{
- REQUEST(xDPMSDisableReq);
- int n;
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH(xDPMSDisableReq);
-
- return ProcDPMSDisable(client);
-}
-
-static int
-SProcDPMSForceLevel(ClientPtr client)
-{
- REQUEST(xDPMSForceLevelReq);
- int n;
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH(xDPMSForceLevelReq);
-
- swaps(&stuff->level, n);
-
- return ProcDPMSForceLevel(client);
-}
-
-static int
-SProcDPMSInfo(ClientPtr client)
-{
- REQUEST(xDPMSInfoReq);
- int n;
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH(xDPMSInfoReq);
-
- return ProcDPMSInfo(client);
-}
-
-static int
-SProcDPMSDispatch (ClientPtr client)
-{
- REQUEST(xReq);
- switch (stuff->data)
- {
- case X_DPMSGetVersion:
- return SProcDPMSGetVersion(client);
- case X_DPMSCapable:
- return SProcDPMSCapable(client);
- case X_DPMSGetTimeouts:
- return SProcDPMSGetTimeouts(client);
- case X_DPMSSetTimeouts:
- return SProcDPMSSetTimeouts(client);
- case X_DPMSEnable:
- return SProcDPMSEnable(client);
- case X_DPMSDisable:
- return SProcDPMSDisable(client);
- case X_DPMSForceLevel:
- return SProcDPMSForceLevel(client);
- case X_DPMSInfo:
- return SProcDPMSInfo(client);
- default:
- return BadRequest;
- }
-}
-
-void
-DPMSExtensionInit(INITARGS)
-{
- AddExtension(DPMSExtensionName, 0, 0,
- ProcDPMSDispatch, SProcDPMSDispatch,
- NULL, StandardMinorOpcode);
-}
+/*****************************************************************
+
+Copyright (c) 1996 Digital Equipment Corporation, Maynard, Massachusetts.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING,
+BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
+IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of Digital Equipment Corporation
+shall not be used in advertising or otherwise to promote the sale, use or other
+dealings in this Software without prior written authorization from Digital
+Equipment Corporation.
+
+******************************************************************/
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include "misc.h"
+#include "os.h"
+#include "dixstruct.h"
+#include "extnsionst.h"
+#include "opaque.h"
+#include <X11/extensions/dpmsproto.h>
+#include "dpmsproc.h"
+#include "modinit.h"
+
+static int
+ProcDPMSGetVersion(ClientPtr client)
+{
+ /* REQUEST(xDPMSGetVersionReq); */
+ xDPMSGetVersionReply rep;
+
+ REQUEST_SIZE_MATCH(xDPMSGetVersionReq);
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.majorVersion = DPMSMajorVersion;
+ rep.minorVersion = DPMSMinorVersion;
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber);
+ swaps(&rep.majorVersion);
+ swaps(&rep.minorVersion);
+ }
+ WriteToClient(client, sizeof(xDPMSGetVersionReply), (char *)&rep);
+ return Success;
+}
+
+static int
+ProcDPMSCapable(ClientPtr client)
+{
+ /* REQUEST(xDPMSCapableReq); */
+ xDPMSCapableReply rep;
+
+ REQUEST_SIZE_MATCH(xDPMSCapableReq);
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.capable = DPMSCapableFlag;
+
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber);
+ }
+ WriteToClient(client, sizeof(xDPMSCapableReply), (char *)&rep);
+ return Success;
+}
+
+static int
+ProcDPMSGetTimeouts(ClientPtr client)
+{
+ /* REQUEST(xDPMSGetTimeoutsReq); */
+ xDPMSGetTimeoutsReply rep;
+
+ REQUEST_SIZE_MATCH(xDPMSGetTimeoutsReq);
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.standby = DPMSStandbyTime / MILLI_PER_SECOND;
+ rep.suspend = DPMSSuspendTime / MILLI_PER_SECOND;
+ rep.off = DPMSOffTime / MILLI_PER_SECOND;
+
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber);
+ swaps(&rep.standby);
+ swaps(&rep.suspend);
+ swaps(&rep.off);
+ }
+ WriteToClient(client, sizeof(xDPMSGetTimeoutsReply), (char *)&rep);
+ return Success;
+}
+
+static int
+ProcDPMSSetTimeouts(ClientPtr client)
+{
+ REQUEST(xDPMSSetTimeoutsReq);
+
+ REQUEST_SIZE_MATCH(xDPMSSetTimeoutsReq);
+
+ if ((stuff->off != 0)&&(stuff->off < stuff->suspend))
+ {
+ client->errorValue = stuff->off;
+ return BadValue;
+ }
+ if ((stuff->suspend != 0)&&(stuff->suspend < stuff->standby))
+ {
+ client->errorValue = stuff->suspend;
+ return BadValue;
+ }
+
+ DPMSStandbyTime = stuff->standby * MILLI_PER_SECOND;
+ DPMSSuspendTime = stuff->suspend * MILLI_PER_SECOND;
+ DPMSOffTime = stuff->off * MILLI_PER_SECOND;
+ SetScreenSaverTimer();
+
+ return Success;
+}
+
+static int
+ProcDPMSEnable(ClientPtr client)
+{
+ Bool was_enabled = DPMSEnabled;
+
+ REQUEST_SIZE_MATCH(xDPMSEnableReq);
+
+ if (DPMSCapableFlag) {
+ DPMSEnabled = TRUE;
+ if (!was_enabled)
+ SetScreenSaverTimer();
+ }
+
+ return Success;
+}
+
+static int
+ProcDPMSDisable(ClientPtr client)
+{
+ /* REQUEST(xDPMSDisableReq); */
+
+ REQUEST_SIZE_MATCH(xDPMSDisableReq);
+
+ DPMSSet(client, DPMSModeOn);
+
+ DPMSEnabled = FALSE;
+
+ return Success;
+}
+
+static int
+ProcDPMSForceLevel(ClientPtr client)
+{
+ REQUEST(xDPMSForceLevelReq);
+
+ REQUEST_SIZE_MATCH(xDPMSForceLevelReq);
+
+ if (!DPMSEnabled)
+ return BadMatch;
+
+ if (stuff->level != DPMSModeOn &&
+ stuff->level != DPMSModeStandby &&
+ stuff->level != DPMSModeSuspend &&
+ stuff->level != DPMSModeOff) {
+ client->errorValue = stuff->level;
+ return BadValue;
+ }
+
+ DPMSSet(client, stuff->level);
+
+ return Success;
+}
+
+static int
+ProcDPMSInfo(ClientPtr client)
+{
+ /* REQUEST(xDPMSInfoReq); */
+ xDPMSInfoReply rep;
+
+ REQUEST_SIZE_MATCH(xDPMSInfoReq);
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.power_level = DPMSPowerLevel;
+ rep.state = DPMSEnabled;
+
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber);
+ swaps(&rep.power_level);
+ }
+ WriteToClient(client, sizeof(xDPMSInfoReply), (char *)&rep);
+ return Success;
+}
+
+static int
+ProcDPMSDispatch (ClientPtr client)
+{
+ REQUEST(xReq);
+
+ switch (stuff->data)
+ {
+ case X_DPMSGetVersion:
+ return ProcDPMSGetVersion(client);
+ case X_DPMSCapable:
+ return ProcDPMSCapable(client);
+ case X_DPMSGetTimeouts:
+ return ProcDPMSGetTimeouts(client);
+ case X_DPMSSetTimeouts:
+ return ProcDPMSSetTimeouts(client);
+ case X_DPMSEnable:
+ return ProcDPMSEnable(client);
+ case X_DPMSDisable:
+ return ProcDPMSDisable(client);
+ case X_DPMSForceLevel:
+ return ProcDPMSForceLevel(client);
+ case X_DPMSInfo:
+ return ProcDPMSInfo(client);
+ default:
+ return BadRequest;
+ }
+}
+
+static int
+SProcDPMSGetVersion(ClientPtr client)
+{
+ REQUEST(xDPMSGetVersionReq);
+
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xDPMSGetVersionReq);
+ swaps(&stuff->majorVersion);
+ swaps(&stuff->minorVersion);
+ return ProcDPMSGetVersion(client);
+}
+
+static int
+SProcDPMSCapable(ClientPtr client)
+{
+ REQUEST(xDPMSCapableReq);
+
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xDPMSCapableReq);
+
+ return ProcDPMSCapable(client);
+}
+
+static int
+SProcDPMSGetTimeouts(ClientPtr client)
+{
+ REQUEST(xDPMSGetTimeoutsReq);
+
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xDPMSGetTimeoutsReq);
+
+ return ProcDPMSGetTimeouts(client);
+}
+
+static int
+SProcDPMSSetTimeouts(ClientPtr client)
+{
+ REQUEST(xDPMSSetTimeoutsReq);
+
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xDPMSSetTimeoutsReq);
+
+ swaps(&stuff->standby);
+ swaps(&stuff->suspend);
+ swaps(&stuff->off);
+ return ProcDPMSSetTimeouts(client);
+}
+
+static int
+SProcDPMSEnable(ClientPtr client)
+{
+ REQUEST(xDPMSEnableReq);
+
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xDPMSEnableReq);
+
+ return ProcDPMSEnable(client);
+}
+
+static int
+SProcDPMSDisable(ClientPtr client)
+{
+ REQUEST(xDPMSDisableReq);
+
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xDPMSDisableReq);
+
+ return ProcDPMSDisable(client);
+}
+
+static int
+SProcDPMSForceLevel(ClientPtr client)
+{
+ REQUEST(xDPMSForceLevelReq);
+
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xDPMSForceLevelReq);
+
+ swaps(&stuff->level);
+
+ return ProcDPMSForceLevel(client);
+}
+
+static int
+SProcDPMSInfo(ClientPtr client)
+{
+ REQUEST(xDPMSInfoReq);
+
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xDPMSInfoReq);
+
+ return ProcDPMSInfo(client);
+}
+
+static int
+SProcDPMSDispatch (ClientPtr client)
+{
+ REQUEST(xReq);
+ switch (stuff->data)
+ {
+ case X_DPMSGetVersion:
+ return SProcDPMSGetVersion(client);
+ case X_DPMSCapable:
+ return SProcDPMSCapable(client);
+ case X_DPMSGetTimeouts:
+ return SProcDPMSGetTimeouts(client);
+ case X_DPMSSetTimeouts:
+ return SProcDPMSSetTimeouts(client);
+ case X_DPMSEnable:
+ return SProcDPMSEnable(client);
+ case X_DPMSDisable:
+ return SProcDPMSDisable(client);
+ case X_DPMSForceLevel:
+ return SProcDPMSForceLevel(client);
+ case X_DPMSInfo:
+ return SProcDPMSInfo(client);
+ default:
+ return BadRequest;
+ }
+}
+
+void
+DPMSExtensionInit(INITARGS)
+{
+ AddExtension(DPMSExtensionName, 0, 0,
+ ProcDPMSDispatch, SProcDPMSDispatch,
+ NULL, StandardMinorOpcode);
+}
diff --git a/xorg-server/Xext/geext.c b/xorg-server/Xext/geext.c
index 18f8ffeac..a8718ccbd 100644
--- a/xorg-server/Xext/geext.c
+++ b/xorg-server/Xext/geext.c
@@ -58,7 +58,6 @@ static void SGEGenericEvent(xEvent* from, xEvent* to);
static int
ProcGEQueryVersion(ClientPtr client)
{
- int n;
GEClientInfoPtr pGEClient = GEGetClient(client);
xGEQueryVersionReply rep;
REQUEST(xGEQueryVersionReq);
@@ -80,10 +79,10 @@ ProcGEQueryVersion(ClientPtr client)
if (client->swapped)
{
- swaps(&rep.sequenceNumber, n);
- swapl(&rep.length, n);
- swaps(&rep.majorVersion, n);
- swaps(&rep.minorVersion, n);
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ swaps(&rep.majorVersion);
+ swaps(&rep.minorVersion);
}
WriteToClient(client, sizeof(xGEQueryVersionReply), (char*)&rep);
@@ -101,13 +100,12 @@ int (*ProcGEVector[GENumberRequests])(ClientPtr) = {
static int
SProcGEQueryVersion(ClientPtr client)
{
- int n;
REQUEST(xGEQueryVersionReq);
- swaps(&stuff->length, n);
+ swaps(&stuff->length);
REQUEST_SIZE_MATCH(xGEQueryVersionReq);
- swaps(&stuff->majorVersion, n);
- swaps(&stuff->minorVersion, n);
+ swaps(&stuff->majorVersion);
+ swaps(&stuff->minorVersion);
return(*ProcGEVector[stuff->ReqType])(client);
}
diff --git a/xorg-server/Xext/panoramiX.c b/xorg-server/Xext/panoramiX.c
index 00afe94f1..fae7c81c9 100644
--- a/xorg-server/Xext/panoramiX.c
+++ b/xorg-server/Xext/panoramiX.c
@@ -388,7 +388,7 @@ XineramaRegisterConnectionBlockCallback(void (*func)(void))
return TRUE;
}
-static void XineramaInitData(ScreenPtr pScreen)
+static void XineramaInitData(void)
{
int i, w, h;
@@ -397,7 +397,7 @@ static void XineramaInitData(ScreenPtr pScreen)
BoxRec TheBox;
RegionRec ScreenRegion;
- pScreen = screenInfo.screens[i];
+ ScreenPtr pScreen = screenInfo.screens[i];
TheBox.x1 = pScreen->x;
TheBox.x2 = TheBox.x1 + pScreen->width;
@@ -414,7 +414,7 @@ static void XineramaInitData(ScreenPtr pScreen)
PanoramiXPixHeight = screenInfo.screens[0]->y + screenInfo.screens[0]->height;
FOR_NSCREENS_FORWARD_SKIP(i) {
- pScreen = screenInfo.screens[i];
+ ScreenPtr pScreen = screenInfo.screens[i];
w = pScreen->x + pScreen->width;
h = pScreen->y + pScreen->height;
@@ -425,10 +425,10 @@ static void XineramaInitData(ScreenPtr pScreen)
}
}
-void XineramaReinitData(ScreenPtr pScreen)
+void XineramaReinitData(void)
{
RegionUninit(&PanoramiXScreenRegion);
- XineramaInitData(pScreen);
+ XineramaInitData();
}
/*
@@ -525,7 +525,7 @@ void PanoramiXExtensionInit(int argc, char *argv[])
return;
}
- XineramaInitData(pScreen);
+ XineramaInitData();
/*
* Put our processes into the ProcVector
@@ -909,7 +909,6 @@ ProcPanoramiXQueryVersion (ClientPtr client)
{
/* REQUEST(xPanoramiXQueryVersionReq); */
xPanoramiXQueryVersionReply rep;
- register int n;
REQUEST_SIZE_MATCH (xPanoramiXQueryVersionReq);
rep.type = X_Reply;
@@ -918,10 +917,10 @@ ProcPanoramiXQueryVersion (ClientPtr client)
rep.majorVersion = SERVER_PANORAMIX_MAJOR_VERSION;
rep.minorVersion = SERVER_PANORAMIX_MINOR_VERSION;
if (client->swapped) {
- swaps(&rep.sequenceNumber, n);
- swapl(&rep.length, n);
- swaps(&rep.majorVersion, n);
- swaps(&rep.minorVersion, n);
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ swaps(&rep.majorVersion);
+ swaps(&rep.minorVersion);
}
WriteToClient(client, sizeof (xPanoramiXQueryVersionReply), (char *)&rep);
return Success;
@@ -933,7 +932,7 @@ ProcPanoramiXGetState(ClientPtr client)
REQUEST(xPanoramiXGetStateReq);
WindowPtr pWin;
xPanoramiXGetStateReply rep;
- int n, rc;
+ int rc;
REQUEST_SIZE_MATCH(xPanoramiXGetStateReq);
rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
@@ -946,9 +945,9 @@ ProcPanoramiXGetState(ClientPtr client)
rep.state = !noPanoramiXExtension;
rep.window = stuff->window;
if (client->swapped) {
- swaps (&rep.sequenceNumber, n);
- swapl (&rep.length, n);
- swapl (&rep.window, n);
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ swapl(&rep.window);
}
WriteToClient (client, sizeof (xPanoramiXGetStateReply), (char *) &rep);
return Success;
@@ -961,7 +960,7 @@ ProcPanoramiXGetScreenCount(ClientPtr client)
REQUEST(xPanoramiXGetScreenCountReq);
WindowPtr pWin;
xPanoramiXGetScreenCountReply rep;
- int n, rc;
+ int rc;
REQUEST_SIZE_MATCH(xPanoramiXGetScreenCountReq);
rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
@@ -974,9 +973,9 @@ ProcPanoramiXGetScreenCount(ClientPtr client)
rep.ScreenCount = PanoramiXNumScreens;
rep.window = stuff->window;
if (client->swapped) {
- swaps (&rep.sequenceNumber, n);
- swapl (&rep.length, n);
- swapl (&rep.window, n);
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ swapl(&rep.window);
}
WriteToClient (client, sizeof (xPanoramiXGetScreenCountReply), (char *) &rep);
return Success;
@@ -988,7 +987,7 @@ ProcPanoramiXGetScreenSize(ClientPtr client)
REQUEST(xPanoramiXGetScreenSizeReq);
WindowPtr pWin;
xPanoramiXGetScreenSizeReply rep;
- int n, rc;
+ int rc;
if (stuff->screen >= PanoramiXNumScreens)
return BadMatch;
@@ -1007,12 +1006,12 @@ ProcPanoramiXGetScreenSize(ClientPtr client)
rep.window = stuff->window;
rep.screen = stuff->screen;
if (client->swapped) {
- swaps (&rep.sequenceNumber, n);
- swapl (&rep.length, n);
- swapl (&rep.width, n);
- swapl (&rep.height, n);
- swapl (&rep.window, n);
- swapl (&rep.screen, n);
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ swapl(&rep.width);
+ swapl(&rep.height);
+ swapl(&rep.window);
+ swapl(&rep.screen);
}
WriteToClient (client, sizeof (xPanoramiXGetScreenSizeReply), (char *) &rep);
return Success;
@@ -1040,10 +1039,9 @@ ProcXineramaIsActive(ClientPtr client)
rep.state = !noPanoramiXExtension;
#endif
if (client->swapped) {
- int n;
- swaps (&rep.sequenceNumber, n);
- swapl (&rep.length, n);
- swapl (&rep.state, n);
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ swapl(&rep.state);
}
WriteToClient (client, sizeof (xXineramaIsActiveReply), (char *) &rep);
return Success;
@@ -1063,10 +1061,9 @@ ProcXineramaQueryScreens(ClientPtr client)
rep.number = (noPanoramiXExtension) ? 0 : PanoramiXNumScreens;
rep.length = bytes_to_int32(rep.number * sz_XineramaScreenInfo);
if (client->swapped) {
- int n;
- swaps (&rep.sequenceNumber, n);
- swapl (&rep.length, n);
- swapl (&rep.number, n);
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ swapl(&rep.number);
}
WriteToClient (client, sizeof (xXineramaQueryScreensReply), (char *) &rep);
@@ -1081,11 +1078,10 @@ ProcXineramaQueryScreens(ClientPtr client)
scratch.height = screenInfo.screens[i]->height;
if(client->swapped) {
- int n;
- swaps (&scratch.x_org, n);
- swaps (&scratch.y_org, n);
- swaps (&scratch.width, n);
- swaps (&scratch.height, n);
+ swaps(&scratch.x_org);
+ swaps(&scratch.y_org);
+ swaps(&scratch.width);
+ swaps(&scratch.height);
}
WriteToClient (client, sz_XineramaScreenInfo, (char *) &scratch);
}
diff --git a/xorg-server/Xext/panoramiXSwap.c b/xorg-server/Xext/panoramiXSwap.c
index e1720c9ab..79277021a 100644
--- a/xorg-server/Xext/panoramiXSwap.c
+++ b/xorg-server/Xext/panoramiXSwap.c
@@ -51,9 +51,8 @@ static int
SProcPanoramiXQueryVersion (ClientPtr client)
{
REQUEST(xPanoramiXQueryVersionReq);
- int n;
- swaps(&stuff->length,n);
+ swaps(&stuff->length);
REQUEST_SIZE_MATCH (xPanoramiXQueryVersionReq);
return ProcPanoramiXQueryVersion(client);
}
@@ -62,11 +61,10 @@ static int
SProcPanoramiXGetState(ClientPtr client)
{
REQUEST(xPanoramiXGetStateReq);
- int n;
- swaps (&stuff->length, n);
+ swaps(&stuff->length);
REQUEST_SIZE_MATCH(xPanoramiXGetStateReq);
- swapl (&stuff->window, n);
+ swapl(&stuff->window);
return ProcPanoramiXGetState(client);
}
@@ -74,11 +72,10 @@ static int
SProcPanoramiXGetScreenCount(ClientPtr client)
{
REQUEST(xPanoramiXGetScreenCountReq);
- int n;
- swaps (&stuff->length, n);
+ swaps(&stuff->length);
REQUEST_SIZE_MATCH(xPanoramiXGetScreenCountReq);
- swapl (&stuff->window, n);
+ swapl(&stuff->window);
return ProcPanoramiXGetScreenCount(client);
}
@@ -86,12 +83,11 @@ static int
SProcPanoramiXGetScreenSize(ClientPtr client)
{
REQUEST(xPanoramiXGetScreenSizeReq);
- int n;
- swaps (&stuff->length, n);
+ swaps(&stuff->length);
REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq);
- swapl (&stuff->window, n);
- swapl (&stuff->screen, n);
+ swapl(&stuff->window);
+ swapl(&stuff->screen);
return ProcPanoramiXGetScreenSize(client);
}
@@ -100,9 +96,8 @@ static int
SProcXineramaIsActive(ClientPtr client)
{
REQUEST(xXineramaIsActiveReq);
- int n;
- swaps (&stuff->length, n);
+ swaps(&stuff->length);
REQUEST_SIZE_MATCH(xXineramaIsActiveReq);
return ProcXineramaIsActive(client);
}
@@ -112,9 +107,8 @@ static int
SProcXineramaQueryScreens(ClientPtr client)
{
REQUEST(xXineramaQueryScreensReq);
- int n;
- swaps (&stuff->length, n);
+ swaps(&stuff->length);
REQUEST_SIZE_MATCH(xXineramaQueryScreensReq);
return ProcXineramaQueryScreens(client);
}
diff --git a/xorg-server/Xext/panoramiXsrv.h b/xorg-server/Xext/panoramiXsrv.h
index 6fc903b88..39d495203 100644
--- a/xorg-server/Xext/panoramiXsrv.h
+++ b/xorg-server/Xext/panoramiXsrv.h
@@ -19,7 +19,7 @@ extern _X_EXPORT PanoramiXRes * PanoramiXFindIDByScrnum(RESTYPE, XID, int);
extern _X_EXPORT Bool XineramaRegisterConnectionBlockCallback(void (*func)(void));
extern _X_EXPORT int XineramaDeleteResource(pointer, XID);
-extern _X_EXPORT void XineramaReinitData(ScreenPtr);
+extern _X_EXPORT void XineramaReinitData(void);
extern _X_EXPORT RESTYPE XRC_DRAWABLE;
extern _X_EXPORT RESTYPE XRT_WINDOW;
diff --git a/xorg-server/Xext/saver.c b/xorg-server/Xext/saver.c
index 3b8b6de59..142758c87 100644
--- a/xorg-server/Xext/saver.c
+++ b/xorg-server/Xext/saver.c
@@ -1,1511 +1,1497 @@
-/*
- *
-Copyright (c) 1992 X Consortium
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
-AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of the X Consortium shall not be
-used in advertising or otherwise to promote the sale, use or other dealings
-in this Software without prior written authorization from the X Consortium.
- *
- * Author: Keith Packard, MIT X Consortium
- */
-
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <X11/X.h>
-#include <X11/Xproto.h>
-#include "misc.h"
-#include "os.h"
-#include "windowstr.h"
-#include "scrnintstr.h"
-#include "pixmapstr.h"
-#include "extnsionst.h"
-#include "dixstruct.h"
-#include "resource.h"
-#include "opaque.h"
-#include <X11/extensions/saverproto.h>
-#include "gcstruct.h"
-#include "cursorstr.h"
-#include "colormapst.h"
-#include "xace.h"
-#ifdef PANORAMIX
-#include "panoramiX.h"
-#include "panoramiXsrv.h"
-#endif
-#ifdef DPMSExtension
-#include <X11/extensions/dpmsconst.h>
-#endif
-#include "protocol-versions.h"
-
-#include <stdio.h>
-
-#include "modinit.h"
-
-static int ScreenSaverEventBase = 0;
-
-
-static Bool ScreenSaverHandle (
- ScreenPtr /* pScreen */,
- int /* xstate */,
- Bool /* force */
- );
-
-static Bool
-CreateSaverWindow (
- ScreenPtr /* pScreen */
- );
-
-static Bool
-DestroySaverWindow (
- ScreenPtr /* pScreen */
- );
-
-static void
-UninstallSaverColormap (
- ScreenPtr /* pScreen */
- );
-
-static void
-CheckScreenPrivate (
- ScreenPtr /* pScreen */
- );
-
-static void SScreenSaverNotifyEvent (
- xScreenSaverNotifyEvent * /* from */,
- xScreenSaverNotifyEvent * /* to */
- );
-
-static RESTYPE SuspendType; /* resource type for suspension records */
-
-typedef struct _ScreenSaverSuspension *ScreenSaverSuspensionPtr;
-
-/* List of clients that are suspending the screensaver. */
-static ScreenSaverSuspensionPtr suspendingClients = NULL;
-
-/*
- * clientResource is a resource ID that's added when the record is
- * allocated, so the record is freed and the screensaver resumed when
- * the client disconnects. count is the number of times the client has
- * requested the screensaver be suspended.
- */
-typedef struct _ScreenSaverSuspension
-{
- ScreenSaverSuspensionPtr next;
- ClientPtr pClient;
- XID clientResource;
- int count;
-} ScreenSaverSuspensionRec;
-
-static int ScreenSaverFreeSuspend(
- pointer /*value */,
- XID /* id */
-);
-
-/*
- * each screen has a list of clients requesting
- * ScreenSaverNotify events. Each client has a resource
- * for each screen it selects ScreenSaverNotify input for,
- * this resource is used to delete the ScreenSaverNotifyRec
- * entry from the per-screen queue.
- */
-
-static RESTYPE SaverEventType; /* resource type for event masks */
-
-typedef struct _ScreenSaverEvent *ScreenSaverEventPtr;
-
-typedef struct _ScreenSaverEvent {
- ScreenSaverEventPtr next;
- ClientPtr client;
- ScreenPtr screen;
- XID resource;
- CARD32 mask;
-} ScreenSaverEventRec;
-
-static int ScreenSaverFreeEvents(
- pointer /* value */,
- XID /* id */
-);
-
-static Bool setEventMask (
- ScreenPtr /* pScreen */,
- ClientPtr /* client */,
- unsigned long /* mask */
-);
-
-static unsigned long getEventMask (
- ScreenPtr /* pScreen */,
- ClientPtr /* client */
-);
-
-/*
- * when a client sets the screen saver attributes, a resource is
- * kept to be freed when the client exits
- */
-
-static RESTYPE AttrType; /* resource type for attributes */
-
-typedef struct _ScreenSaverAttr {
- ScreenPtr screen;
- ClientPtr client;
- XID resource;
- short x, y;
- unsigned short width, height, borderWidth;
- unsigned char class;
- unsigned char depth;
- VisualID visual;
- CursorPtr pCursor;
- PixmapPtr pBackgroundPixmap;
- PixmapPtr pBorderPixmap;
- Colormap colormap;
- unsigned long mask; /* no pixmaps or cursors */
- unsigned long *values;
-} ScreenSaverAttrRec, *ScreenSaverAttrPtr;
-
-static int ScreenSaverFreeAttr (
- pointer /* value */,
- XID /* id */
-);
-
-static void FreeAttrs (
- ScreenSaverAttrPtr /* pAttr */
-);
-
-static void FreeScreenAttr (
- ScreenSaverAttrPtr /* pAttr */
-);
-
-static void
-SendScreenSaverNotify (
- ScreenPtr /* pScreen */,
- int /* state */,
- Bool /* forced */
-);
-
-typedef struct _ScreenSaverScreenPrivate {
- ScreenSaverEventPtr events;
- ScreenSaverAttrPtr attr;
- Bool hasWindow;
- Colormap installedMap;
-} ScreenSaverScreenPrivateRec, *ScreenSaverScreenPrivatePtr;
-
-static ScreenSaverScreenPrivatePtr
-MakeScreenPrivate (
- ScreenPtr /* pScreen */
- );
-
-static DevPrivateKeyRec ScreenPrivateKeyRec;
-#define ScreenPrivateKey (&ScreenPrivateKeyRec)
-
-#define GetScreenPrivate(s) ((ScreenSaverScreenPrivatePtr) \
- dixLookupPrivate(&(s)->devPrivates, ScreenPrivateKey))
-#define SetScreenPrivate(s,v) \
- dixSetPrivate(&(s)->devPrivates, ScreenPrivateKey, v);
-#define SetupScreen(s) ScreenSaverScreenPrivatePtr pPriv = (s ? GetScreenPrivate(s) : NULL)
-
-#define New(t) (malloc(sizeof (t)))
-
-static void
-CheckScreenPrivate (ScreenPtr pScreen)
-{
- SetupScreen (pScreen);
-
- if (!pPriv)
- return;
- if (!pPriv->attr && !pPriv->events &&
- !pPriv->hasWindow && pPriv->installedMap == None)
- {
- free(pPriv);
- SetScreenPrivate (pScreen, NULL);
- pScreen->screensaver.ExternalScreenSaver = NULL;
- }
-}
-
-static ScreenSaverScreenPrivatePtr
-MakeScreenPrivate (ScreenPtr pScreen)
-{
- SetupScreen (pScreen);
-
- if (pPriv)
- return pPriv;
- pPriv = New (ScreenSaverScreenPrivateRec);
- if (!pPriv)
- return 0;
- pPriv->events = 0;
- pPriv->attr = 0;
- pPriv->hasWindow = FALSE;
- pPriv->installedMap = None;
- SetScreenPrivate (pScreen, pPriv);
- pScreen->screensaver.ExternalScreenSaver = ScreenSaverHandle;
- return pPriv;
-}
-
-static unsigned long
-getEventMask (ScreenPtr pScreen, ClientPtr client)
-{
- SetupScreen(pScreen);
- ScreenSaverEventPtr pEv;
-
- if (!pPriv)
- return 0;
- for (pEv = pPriv->events; pEv; pEv = pEv->next)
- if (pEv->client == client)
- return pEv->mask;
- return 0;
-}
-
-static Bool
-setEventMask (ScreenPtr pScreen, ClientPtr client, unsigned long mask)
-{
- SetupScreen(pScreen);
- ScreenSaverEventPtr pEv, *pPrev;
-
- if (getEventMask (pScreen, client) == mask)
- return TRUE;
- if (!pPriv)
- {
- pPriv = MakeScreenPrivate (pScreen);
- if (!pPriv)
- return FALSE;
- }
- for (pPrev = &pPriv->events; (pEv = *pPrev) != 0; pPrev = &pEv->next)
- if (pEv->client == client)
- break;
- if (mask == 0)
- {
- FreeResource (pEv->resource, SaverEventType);
- *pPrev = pEv->next;
- free(pEv);
- CheckScreenPrivate (pScreen);
- }
- else
- {
- if (!pEv)
- {
- pEv = New (ScreenSaverEventRec);
- if (!pEv)
- {
- CheckScreenPrivate (pScreen);
- return FALSE;
- }
- *pPrev = pEv;
- pEv->next = NULL;
- pEv->client = client;
- pEv->screen = pScreen;
- pEv->resource = FakeClientID (client->index);
- if (!AddResource (pEv->resource, SaverEventType, (pointer) pEv))
- return FALSE;
- }
- pEv->mask = mask;
- }
- return TRUE;
-}
-
-static void
-FreeAttrs (ScreenSaverAttrPtr pAttr)
-{
- PixmapPtr pPixmap;
- CursorPtr pCursor;
-
- if ((pPixmap = pAttr->pBackgroundPixmap) != 0)
- (*pPixmap->drawable.pScreen->DestroyPixmap)(pPixmap);
- if ((pPixmap = pAttr->pBorderPixmap) != 0)
- (*pPixmap->drawable.pScreen->DestroyPixmap)(pPixmap);
- if ((pCursor = pAttr->pCursor) != 0)
- FreeCursor (pCursor, (Cursor) 0);
-}
-
-static void
-FreeScreenAttr (ScreenSaverAttrPtr pAttr)
-{
- FreeAttrs (pAttr);
- free(pAttr->values);
- free(pAttr);
-}
-
-static int
-ScreenSaverFreeEvents (pointer value, XID id)
-{
- ScreenSaverEventPtr pOld = (ScreenSaverEventPtr)value;
- ScreenPtr pScreen = pOld->screen;
- SetupScreen (pScreen);
- ScreenSaverEventPtr pEv, *pPrev;
-
- if (!pPriv)
- return TRUE;
- for (pPrev = &pPriv->events; (pEv = *pPrev) != 0; pPrev = &pEv->next)
- if (pEv == pOld)
- break;
- if (!pEv)
- return TRUE;
- *pPrev = pEv->next;
- free(pEv);
- CheckScreenPrivate (pScreen);
- return TRUE;
-}
-
-static int
-ScreenSaverFreeAttr (pointer value, XID id)
-{
- ScreenSaverAttrPtr pOldAttr = (ScreenSaverAttrPtr)value;
- ScreenPtr pScreen = pOldAttr->screen;
- SetupScreen (pScreen);
-
- if (!pPriv)
- return TRUE;
- if (pPriv->attr != pOldAttr)
- return TRUE;
- FreeScreenAttr (pOldAttr);
- pPriv->attr = NULL;
- if (pPriv->hasWindow)
- {
- dixSaveScreens (serverClient, SCREEN_SAVER_FORCER, ScreenSaverReset);
- dixSaveScreens (serverClient, SCREEN_SAVER_FORCER, ScreenSaverActive);
- }
- CheckScreenPrivate (pScreen);
- return TRUE;
-}
-
-static int
-ScreenSaverFreeSuspend (pointer value, XID id)
-{
- ScreenSaverSuspensionPtr data = (ScreenSaverSuspensionPtr) value;
- ScreenSaverSuspensionPtr *prev, this;
-
- /* Unlink and free the suspension record for the client */
- for (prev = &suspendingClients; (this = *prev); prev = &this->next)
- {
- if (this == data)
- {
- *prev = this->next;
- free(this);
- break;
- }
- }
-
- /* Reenable the screensaver if this was the last client suspending it. */
- if (screenSaverSuspended && suspendingClients == NULL)
- {
- screenSaverSuspended = FALSE;
-
- /* The screensaver could be active, since suspending it (by design)
- doesn't prevent it from being forceably activated */
-#ifdef DPMSExtension
- if (screenIsSaved != SCREEN_SAVER_ON && DPMSPowerLevel == DPMSModeOn)
-#else
- if (screenIsSaved != SCREEN_SAVER_ON)
-#endif
- {
- UpdateCurrentTimeIf();
- lastDeviceEventTime = currentTime;
- SetScreenSaverTimer();
- }
- }
-
- return Success;
-}
-
-static void
-SendScreenSaverNotify (ScreenPtr pScreen, int state, Bool forced)
-{
- ScreenSaverScreenPrivatePtr pPriv;
- ScreenSaverEventPtr pEv;
- unsigned long mask;
- xScreenSaverNotifyEvent ev;
- int kind;
-
- UpdateCurrentTimeIf ();
- mask = ScreenSaverNotifyMask;
- if (state == ScreenSaverCycle)
- mask = ScreenSaverCycleMask;
- pScreen = screenInfo.screens[pScreen->myNum];
- pPriv = GetScreenPrivate(pScreen);
- if (!pPriv)
- return;
- if (pPriv->attr)
- kind = ScreenSaverExternal;
- else if (ScreenSaverBlanking != DontPreferBlanking)
- kind = ScreenSaverBlanked;
- else
- kind = ScreenSaverInternal;
- for (pEv = pPriv->events; pEv; pEv = pEv->next)
- {
- if (!(pEv->mask & mask))
- continue;
- ev.type = ScreenSaverNotify + ScreenSaverEventBase;
- ev.state = state;
- ev.timestamp = currentTime.milliseconds;
- ev.root = pScreen->root->drawable.id;
- ev.window = pScreen->screensaver.wid;
- ev.kind = kind;
- ev.forced = forced;
- WriteEventsToClient (pEv->client, 1, (xEvent *) &ev);
- }
-}
-
-static void
-SScreenSaverNotifyEvent (xScreenSaverNotifyEvent *from,
- xScreenSaverNotifyEvent *to)
-{
- to->type = from->type;
- to->state = from->state;
- cpswaps (from->sequenceNumber, to->sequenceNumber);
- cpswapl (from->timestamp, to->timestamp);
- cpswapl (from->root, to->root);
- cpswapl (from->window, to->window);
- to->kind = from->kind;
- to->forced = from->forced;
-}
-
-static void
-UninstallSaverColormap (ScreenPtr pScreen)
-{
- SetupScreen(pScreen);
- ColormapPtr pCmap;
- int rc;
-
- if (pPriv && pPriv->installedMap != None)
- {
- rc = dixLookupResourceByType((pointer *)&pCmap, pPriv->installedMap,
- RT_COLORMAP, serverClient,
- DixUninstallAccess);
- if (rc == Success)
- (*pCmap->pScreen->UninstallColormap) (pCmap);
- pPriv->installedMap = None;
- CheckScreenPrivate (pScreen);
- }
-}
-
-static Bool
-CreateSaverWindow (ScreenPtr pScreen)
-{
- SetupScreen (pScreen);
- ScreenSaverStuffPtr pSaver;
- ScreenSaverAttrPtr pAttr;
- WindowPtr pWin;
- int result;
- unsigned long mask;
- Colormap *installedMaps;
- int numInstalled;
- int i;
- Colormap wantMap;
- ColormapPtr pCmap;
-
- pSaver = &pScreen->screensaver;
- if (pSaver->pWindow)
- {
- pSaver->pWindow = NullWindow;
- FreeResource (pSaver->wid, RT_NONE);
- if (pPriv)
- {
- UninstallSaverColormap (pScreen);
- pPriv->hasWindow = FALSE;
- CheckScreenPrivate (pScreen);
- }
- }
-
- if (!pPriv || !(pAttr = pPriv->attr))
- return FALSE;
-
- pPriv->installedMap = None;
-
- if (GrabInProgress && GrabInProgress != pAttr->client->index)
- return FALSE;
-
- pWin = CreateWindow (pSaver->wid, pScreen->root,
- pAttr->x, pAttr->y, pAttr->width, pAttr->height,
- pAttr->borderWidth, pAttr->class,
- pAttr->mask, (XID *)pAttr->values,
- pAttr->depth, serverClient, pAttr->visual,
- &result);
- if (!pWin)
- return FALSE;
-
- if (!AddResource(pWin->drawable.id, RT_WINDOW, pWin))
- return FALSE;
-
- mask = 0;
- if (pAttr->pBackgroundPixmap)
- {
- pWin->backgroundState = BackgroundPixmap;
- pWin->background.pixmap = pAttr->pBackgroundPixmap;
- pAttr->pBackgroundPixmap->refcnt++;
- mask |= CWBackPixmap;
- }
- if (pAttr->pBorderPixmap)
- {
- pWin->borderIsPixel = FALSE;
- pWin->border.pixmap = pAttr->pBorderPixmap;
- pAttr->pBorderPixmap->refcnt++;
- mask |= CWBorderPixmap;
- }
- if (pAttr->pCursor)
- {
- if (!pWin->optional)
- if (!MakeWindowOptional (pWin))
- {
- FreeResource (pWin->drawable.id, RT_NONE);
- return FALSE;
- }
- pAttr->pCursor->refcnt++;
- if (pWin->optional->cursor)
- FreeCursor (pWin->optional->cursor, (Cursor)0);
- pWin->optional->cursor = pAttr->pCursor;
- pWin->cursorIsNone = FALSE;
- CheckWindowOptionalNeed (pWin);
- mask |= CWCursor;
- }
- if (mask)
- (*pScreen->ChangeWindowAttributes) (pWin, mask);
-
- if (pAttr->colormap != None)
- (void) ChangeWindowAttributes (pWin, CWColormap, &pAttr->colormap,
- serverClient);
-
- MapWindow (pWin, serverClient);
-
- pPriv->hasWindow = TRUE;
- pSaver->pWindow = pWin;
-
- /* check and install our own colormap if it isn't installed now */
- wantMap = wColormap (pWin);
- if (wantMap == None)
- return TRUE;
- installedMaps = malloc(pScreen->maxInstalledCmaps * sizeof (Colormap));
- numInstalled = (*pWin->drawable.pScreen->ListInstalledColormaps)
- (pScreen, installedMaps);
- for (i = 0; i < numInstalled; i++)
- if (installedMaps[i] == wantMap)
- break;
-
- free((char *) installedMaps);
-
- if (i < numInstalled)
- return TRUE;
-
- result = dixLookupResourceByType((pointer *)&pCmap, wantMap, RT_COLORMAP,
- serverClient, DixInstallAccess);
- if (result != Success)
- return TRUE;
-
- pPriv->installedMap = wantMap;
-
- (*pCmap->pScreen->InstallColormap) (pCmap);
-
- return TRUE;
-}
-
-static Bool
-DestroySaverWindow (ScreenPtr pScreen)
-{
- SetupScreen(pScreen);
- ScreenSaverStuffPtr pSaver;
-
- if (!pPriv || !pPriv->hasWindow)
- return FALSE;
-
- pSaver = &pScreen->screensaver;
- if (pSaver->pWindow)
- {
- pSaver->pWindow = NullWindow;
- FreeResource (pSaver->wid, RT_NONE);
- }
- pPriv->hasWindow = FALSE;
- CheckScreenPrivate (pScreen);
- UninstallSaverColormap (pScreen);
- return TRUE;
-}
-
-static Bool
-ScreenSaverHandle (ScreenPtr pScreen, int xstate, Bool force)
-{
- int state = 0;
- Bool ret = FALSE;
- ScreenSaverScreenPrivatePtr pPriv;
-
- switch (xstate)
- {
- case SCREEN_SAVER_ON:
- state = ScreenSaverOn;
- ret = CreateSaverWindow (pScreen);
- break;
- case SCREEN_SAVER_OFF:
- state = ScreenSaverOff;
- ret = DestroySaverWindow (pScreen);
- break;
- case SCREEN_SAVER_CYCLE:
- state = ScreenSaverCycle;
- pPriv = GetScreenPrivate (pScreen);
- if (pPriv && pPriv->hasWindow)
- ret = TRUE;
-
- }
-#ifdef PANORAMIX
- if(noPanoramiXExtension || !pScreen->myNum)
-#endif
- SendScreenSaverNotify (pScreen, state, force);
- return ret;
-}
-
-static int
-ProcScreenSaverQueryVersion (ClientPtr client)
-{
- xScreenSaverQueryVersionReply rep;
- int n;
-
- REQUEST_SIZE_MATCH (xScreenSaverQueryVersionReq);
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- rep.majorVersion = SERVER_SAVER_MAJOR_VERSION;
- rep.minorVersion = SERVER_SAVER_MINOR_VERSION;
- if (client->swapped) {
- swaps(&rep.sequenceNumber, n);
- swapl(&rep.length, n);
- }
- WriteToClient(client, sizeof (xScreenSaverQueryVersionReply), (char *)&rep);
- return Success;
-}
-
-static int
-ProcScreenSaverQueryInfo (ClientPtr client)
-{
- REQUEST(xScreenSaverQueryInfoReq);
- xScreenSaverQueryInfoReply rep;
- int n, rc;
- ScreenSaverStuffPtr pSaver;
- DrawablePtr pDraw;
- CARD32 lastInput;
- ScreenSaverScreenPrivatePtr pPriv;
-
- REQUEST_SIZE_MATCH (xScreenSaverQueryInfoReq);
- rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0,
- DixGetAttrAccess);
- if (rc != Success)
- return rc;
- rc = XaceHook(XACE_SCREENSAVER_ACCESS, client, pDraw->pScreen,
- DixGetAttrAccess);
- if (rc != Success)
- return rc;
-
- pSaver = &pDraw->pScreen->screensaver;
- pPriv = GetScreenPrivate (pDraw->pScreen);
-
- UpdateCurrentTime ();
- lastInput = GetTimeInMillis() - lastDeviceEventTime.milliseconds;
-
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- rep.window = pSaver->wid;
- if (screenIsSaved != SCREEN_SAVER_OFF)
- {
- rep.state = ScreenSaverOn;
- if (ScreenSaverTime)
- rep.tilOrSince = lastInput - ScreenSaverTime;
- else
- rep.tilOrSince = 0;
- }
- else
- {
- if (ScreenSaverTime)
- {
- rep.state = ScreenSaverOff;
- if (ScreenSaverTime < lastInput)
- rep.tilOrSince = 0;
- else
- rep.tilOrSince = ScreenSaverTime - lastInput;
- }
- else
- {
- rep.state = ScreenSaverDisabled;
- rep.tilOrSince = 0;
- }
- }
- rep.idle = lastInput;
- rep.eventMask = getEventMask (pDraw->pScreen, client);
- if (pPriv && pPriv->attr)
- rep.kind = ScreenSaverExternal;
- else if (ScreenSaverBlanking != DontPreferBlanking)
- rep.kind = ScreenSaverBlanked;
- else
- rep.kind = ScreenSaverInternal;
- if (client->swapped)
- {
- swaps (&rep.sequenceNumber, n);
- swapl (&rep.length, n);
- swapl (&rep.window, n);
- swapl (&rep.tilOrSince, n);
- swapl (&rep.idle, n);
- swapl (&rep.eventMask, n);
- }
- WriteToClient(client, sizeof (xScreenSaverQueryInfoReply), (char *)&rep);
- return Success;
-}
-
-static int
-ProcScreenSaverSelectInput (ClientPtr client)
-{
- REQUEST(xScreenSaverSelectInputReq);
- DrawablePtr pDraw;
- int rc;
-
- REQUEST_SIZE_MATCH (xScreenSaverSelectInputReq);
- rc = dixLookupDrawable (&pDraw, stuff->drawable, client, 0,
- DixGetAttrAccess);
- if (rc != Success)
- return rc;
-
- rc = XaceHook(XACE_SCREENSAVER_ACCESS, client, pDraw->pScreen,
- DixSetAttrAccess);
- if (rc != Success)
- return rc;
-
- if (!setEventMask (pDraw->pScreen, client, stuff->eventMask))
- return BadAlloc;
- return Success;
-}
-
-static int
-ScreenSaverSetAttributes (ClientPtr client)
-{
- REQUEST(xScreenSaverSetAttributesReq);
- DrawablePtr pDraw;
- WindowPtr pParent;
- ScreenPtr pScreen;
- ScreenSaverScreenPrivatePtr pPriv = 0;
- ScreenSaverAttrPtr pAttr = 0;
- int ret, len, class, bw, depth;
- unsigned long visual;
- int idepth, ivisual;
- Bool fOK;
- DepthPtr pDepth;
- WindowOptPtr ancwopt;
- unsigned int *pVlist;
- unsigned long *values = 0;
- unsigned long tmask, imask;
- unsigned long val;
- Pixmap pixID;
- PixmapPtr pPixmap;
- Cursor cursorID;
- CursorPtr pCursor;
- Colormap cmap;
- ColormapPtr pCmap;
-
- REQUEST_AT_LEAST_SIZE (xScreenSaverSetAttributesReq);
- ret = dixLookupDrawable(&pDraw, stuff->drawable, client, 0,
- DixGetAttrAccess);
- if (ret != Success)
- return ret;
- pScreen = pDraw->pScreen;
- pParent = pScreen->root;
-
- ret = XaceHook(XACE_SCREENSAVER_ACCESS, client, pScreen, DixSetAttrAccess);
- if (ret != Success)
- return ret;
-
- len = stuff->length - bytes_to_int32(sizeof(xScreenSaverSetAttributesReq));
- if (Ones(stuff->mask) != len)
- return BadLength;
- if (!stuff->width || !stuff->height)
- {
- client->errorValue = 0;
- return BadValue;
- }
- switch (class = stuff->c_class)
- {
- case CopyFromParent:
- case InputOnly:
- case InputOutput:
- break;
- default:
- client->errorValue = class;
- return BadValue;
- }
- bw = stuff->borderWidth;
- depth = stuff->depth;
- visual = stuff->visualID;
-
- /* copied directly from CreateWindow */
-
- if (class == CopyFromParent)
- class = pParent->drawable.class;
-
- if ((class != InputOutput) && (class != InputOnly))
- {
- client->errorValue = class;
- return BadValue;
- }
-
- if ((class != InputOnly) && (pParent->drawable.class == InputOnly))
- return BadMatch;
-
- if ((class == InputOnly) && ((bw != 0) || (depth != 0)))
- return BadMatch;
-
- if ((class == InputOutput) && (depth == 0))
- depth = pParent->drawable.depth;
- ancwopt = pParent->optional;
- if (!ancwopt)
- ancwopt = FindWindowWithOptional(pParent)->optional;
- if (visual == CopyFromParent)
- visual = ancwopt->visual;
-
- /* Find out if the depth and visual are acceptable for this Screen */
- if ((visual != ancwopt->visual) || (depth != pParent->drawable.depth))
- {
- fOK = FALSE;
- for(idepth = 0; idepth < pScreen->numDepths; idepth++)
- {
- pDepth = (DepthPtr) &pScreen->allowedDepths[idepth];
- if ((depth == pDepth->depth) || (depth == 0))
- {
- for (ivisual = 0; ivisual < pDepth->numVids; ivisual++)
- {
- if (visual == pDepth->vids[ivisual])
- {
- fOK = TRUE;
- break;
- }
- }
- }
- }
- if (fOK == FALSE)
- return BadMatch;
- }
-
- if (((stuff->mask & (CWBorderPixmap | CWBorderPixel)) == 0) &&
- (class != InputOnly) &&
- (depth != pParent->drawable.depth))
- {
- return BadMatch;
- }
-
- if (((stuff->mask & CWColormap) == 0) &&
- (class != InputOnly) &&
- ((visual != ancwopt->visual) || (ancwopt->colormap == None)))
- {
- return BadMatch;
- }
-
- /* end of errors from CreateWindow */
-
- pPriv = GetScreenPrivate (pScreen);
- if (pPriv && pPriv->attr)
- {
- if (pPriv->attr->client != client)
- return BadAccess;
- }
- if (!pPriv)
- {
- pPriv = MakeScreenPrivate (pScreen);
- if (!pPriv)
- return FALSE;
- }
- pAttr = New (ScreenSaverAttrRec);
- if (!pAttr)
- {
- ret = BadAlloc;
- goto bail;
- }
- /* over allocate for override redirect */
- values = malloc((len + 1) * sizeof (unsigned long));
- if (!values)
- {
- ret = BadAlloc;
- goto bail;
- }
- pAttr->screen = pScreen;
- pAttr->client = client;
- pAttr->x = stuff->x;
- pAttr->y = stuff->y;
- pAttr->width = stuff->width;
- pAttr->height = stuff->height;
- pAttr->borderWidth = stuff->borderWidth;
- pAttr->class = stuff->c_class;
- pAttr->depth = depth;
- pAttr->visual = visual;
- pAttr->colormap = None;
- pAttr->pCursor = NullCursor;
- pAttr->pBackgroundPixmap = NullPixmap;
- pAttr->pBorderPixmap = NullPixmap;
- pAttr->values = values;
- /*
- * go through the mask, checking the values,
- * looking up pixmaps and cursors and hold a reference
- * to them.
- */
- pAttr->mask = tmask = stuff->mask | CWOverrideRedirect;
- pVlist = (unsigned int *) (stuff + 1);
- while (tmask) {
- imask = lowbit (tmask);
- tmask &= ~imask;
- switch (imask)
- {
- case CWBackPixmap:
- pixID = (Pixmap )*pVlist;
- if (pixID == None)
- {
- *values++ = None;
- }
- else if (pixID == ParentRelative)
- {
- if (depth != pParent->drawable.depth)
- {
- ret = BadMatch;
- goto PatchUp;
- }
- *values++ = ParentRelative;
- }
- else
- {
- ret = dixLookupResourceByType((pointer *)&pPixmap, pixID, RT_PIXMAP,
- client, DixReadAccess);
- if (ret == Success)
- {
- if ((pPixmap->drawable.depth != depth) ||
- (pPixmap->drawable.pScreen != pScreen))
- {
- ret = BadMatch;
- goto PatchUp;
- }
- pAttr->pBackgroundPixmap = pPixmap;
- pPixmap->refcnt++;
- pAttr->mask &= ~CWBackPixmap;
- }
- else
- {
- client->errorValue = pixID;
- goto PatchUp;
- }
- }
- break;
- case CWBackPixel:
- *values++ = (CARD32) *pVlist;
- break;
- case CWBorderPixmap:
- pixID = (Pixmap ) *pVlist;
- if (pixID == CopyFromParent)
- {
- if (depth != pParent->drawable.depth)
- {
- ret = BadMatch;
- goto PatchUp;
- }
- *values++ = CopyFromParent;
- }
- else
- {
- ret = dixLookupResourceByType((pointer *)&pPixmap, pixID, RT_PIXMAP,
- client, DixReadAccess);
- if (ret == Success)
- {
- if ((pPixmap->drawable.depth != depth) ||
- (pPixmap->drawable.pScreen != pScreen))
- {
- ret = BadMatch;
- goto PatchUp;
- }
- pAttr->pBorderPixmap = pPixmap;
- pPixmap->refcnt++;
- pAttr->mask &= ~CWBorderPixmap;
- }
- else
- {
- client->errorValue = pixID;
- goto PatchUp;
- }
- }
- break;
- case CWBorderPixel:
- *values++ = (CARD32) *pVlist;
- break;
- case CWBitGravity:
- val = (CARD8 )*pVlist;
- if (val > StaticGravity)
- {
- ret = BadValue;
- client->errorValue = val;
- goto PatchUp;
- }
- *values++ = val;
- break;
- case CWWinGravity:
- val = (CARD8 )*pVlist;
- if (val > StaticGravity)
- {
- ret = BadValue;
- client->errorValue = val;
- goto PatchUp;
- }
- *values++ = val;
- break;
- case CWBackingStore:
- val = (CARD8 )*pVlist;
- if ((val != NotUseful) && (val != WhenMapped) && (val != Always))
- {
- ret = BadValue;
- client->errorValue = val;
- goto PatchUp;
- }
- *values++ = val;
- break;
- case CWBackingPlanes:
- *values++ = (CARD32) *pVlist;
- break;
- case CWBackingPixel:
- *values++ = (CARD32) *pVlist;
- break;
- case CWSaveUnder:
- val = (BOOL) *pVlist;
- if ((val != xTrue) && (val != xFalse))
- {
- ret = BadValue;
- client->errorValue = val;
- goto PatchUp;
- }
- *values++ = val;
- break;
- case CWEventMask:
- *values++ = (CARD32) *pVlist;
- break;
- case CWDontPropagate:
- *values++ = (CARD32) *pVlist;
- break;
- case CWOverrideRedirect:
- if (!(stuff->mask & CWOverrideRedirect))
- pVlist--;
- else
- {
- val = (BOOL ) *pVlist;
- if ((val != xTrue) && (val != xFalse))
- {
- ret = BadValue;
- client->errorValue = val;
- goto PatchUp;
- }
- }
- *values++ = xTrue;
- break;
- case CWColormap:
- cmap = (Colormap) *pVlist;
- ret = dixLookupResourceByType((pointer *)&pCmap, cmap, RT_COLORMAP,
- client, DixUseAccess);
- if (ret != Success)
- {
- client->errorValue = cmap;
- goto PatchUp;
- }
- if (pCmap->pVisual->vid != visual || pCmap->pScreen != pScreen)
- {
- ret = BadMatch;
- goto PatchUp;
- }
- pAttr->colormap = cmap;
- pAttr->mask &= ~CWColormap;
- break;
- case CWCursor:
- cursorID = (Cursor ) *pVlist;
- if ( cursorID == None)
- {
- *values++ = None;
- }
- else
- {
- ret = dixLookupResourceByType((pointer *)&pCursor, cursorID,
- RT_CURSOR, client, DixUseAccess);
- if (ret != Success)
- {
- client->errorValue = cursorID;
- goto PatchUp;
- }
- pCursor->refcnt++;
- pAttr->pCursor = pCursor;
- pAttr->mask &= ~CWCursor;
- }
- break;
- default:
- ret = BadValue;
- client->errorValue = stuff->mask;
- goto PatchUp;
- }
- pVlist++;
- }
- if (pPriv->attr)
- FreeScreenAttr (pPriv->attr);
- pPriv->attr = pAttr;
- pAttr->resource = FakeClientID (client->index);
- if (!AddResource (pAttr->resource, AttrType, (pointer) pAttr))
- return BadAlloc;
- return Success;
-PatchUp:
- FreeAttrs (pAttr);
-bail:
- CheckScreenPrivate (pScreen);
- if (pAttr) free(pAttr->values);
- free(pAttr);
- return ret;
-}
-
-static int
-ScreenSaverUnsetAttributes (ClientPtr client)
-{
- REQUEST(xScreenSaverSetAttributesReq);
- DrawablePtr pDraw;
- ScreenSaverScreenPrivatePtr pPriv;
- int rc;
-
- REQUEST_SIZE_MATCH (xScreenSaverUnsetAttributesReq);
- rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0,
- DixGetAttrAccess);
- if (rc != Success)
- return rc;
- pPriv = GetScreenPrivate (pDraw->pScreen);
- if (pPriv && pPriv->attr && pPriv->attr->client == client)
- {
- FreeResource (pPriv->attr->resource, AttrType);
- FreeScreenAttr (pPriv->attr);
- pPriv->attr = NULL;
- CheckScreenPrivate (pDraw->pScreen);
- }
- return Success;
-}
-
-static int
-ProcScreenSaverSetAttributes (ClientPtr client)
-{
-#ifdef PANORAMIX
- if(!noPanoramiXExtension) {
- REQUEST(xScreenSaverSetAttributesReq);
- PanoramiXRes *draw;
- PanoramiXRes *backPix = NULL;
- PanoramiXRes *bordPix = NULL;
- PanoramiXRes *cmap = NULL;
- int i, status, len;
- int pback_offset = 0, pbord_offset = 0, cmap_offset = 0;
- XID orig_visual, tmp;
-
- REQUEST_AT_LEAST_SIZE (xScreenSaverSetAttributesReq);
-
- status = dixLookupResourceByClass((pointer *)&draw, stuff->drawable,
- XRC_DRAWABLE, client, DixWriteAccess);
- if (status != Success)
- return (status == BadValue) ? BadDrawable : status;
-
- len = stuff->length - bytes_to_int32(sizeof(xScreenSaverSetAttributesReq));
- if (Ones(stuff->mask) != len)
- return BadLength;
-
- if((Mask)stuff->mask & CWBackPixmap) {
- pback_offset = Ones((Mask)stuff->mask & (CWBackPixmap - 1));
- tmp = *((CARD32 *) &stuff[1] + pback_offset);
- if ((tmp != None) && (tmp != ParentRelative)) {
- status = dixLookupResourceByType((pointer *)&backPix, tmp,
- XRT_PIXMAP, client,
- DixReadAccess);
- if (status != Success)
- return status;
- }
- }
-
- if ((Mask)stuff->mask & CWBorderPixmap) {
- pbord_offset = Ones((Mask)stuff->mask & (CWBorderPixmap - 1));
- tmp = *((CARD32 *) &stuff[1] + pbord_offset);
- if (tmp != CopyFromParent) {
- status = dixLookupResourceByType((pointer *)&bordPix, tmp,
- XRT_PIXMAP, client,
- DixReadAccess);
- if (status != Success)
- return status;
- }
- }
-
- if ((Mask)stuff->mask & CWColormap) {
- cmap_offset = Ones((Mask)stuff->mask & (CWColormap - 1));
- tmp = *((CARD32 *) &stuff[1] + cmap_offset);
- if ((tmp != CopyFromParent) && (tmp != None)) {
- status = dixLookupResourceByType((pointer *)&cmap, tmp,
- XRT_COLORMAP, client,
- DixReadAccess);
- if (status != Success)
- return status;
- }
- }
-
- orig_visual = stuff->visualID;
-
- FOR_NSCREENS_BACKWARD(i) {
- stuff->drawable = draw->info[i].id;
- if (backPix)
- *((CARD32 *) &stuff[1] + pback_offset) = backPix->info[i].id;
- if (bordPix)
- *((CARD32 *) &stuff[1] + pbord_offset) = bordPix->info[i].id;
- if (cmap)
- *((CARD32 *) &stuff[1] + cmap_offset) = cmap->info[i].id;
-
- if (orig_visual != CopyFromParent)
- stuff->visualID = PanoramiXTranslateVisualID(i, orig_visual);
-
- status = ScreenSaverSetAttributes(client);
- }
-
- return status;
- }
-#endif
-
- return ScreenSaverSetAttributes(client);
-}
-
-static int
-ProcScreenSaverUnsetAttributes (ClientPtr client)
-{
-#ifdef PANORAMIX
- if(!noPanoramiXExtension) {
- REQUEST(xScreenSaverUnsetAttributesReq);
- PanoramiXRes *draw;
- int rc, i;
-
- rc = dixLookupResourceByClass((pointer *)&draw, stuff->drawable,
- XRC_DRAWABLE, client, DixWriteAccess);
- if (rc != Success)
- return (rc == BadValue) ? BadDrawable : rc;
-
- for(i = PanoramiXNumScreens - 1; i > 0; i--) {
- stuff->drawable = draw->info[i].id;
- ScreenSaverUnsetAttributes(client);
- }
-
- stuff->drawable = draw->info[0].id;
- }
-#endif
-
- return ScreenSaverUnsetAttributes(client);
-}
-
-static int
-ProcScreenSaverSuspend (ClientPtr client)
-{
- ScreenSaverSuspensionPtr *prev, this;
-
- REQUEST(xScreenSaverSuspendReq);
- REQUEST_SIZE_MATCH(xScreenSaverSuspendReq);
-
- /* Check if this client is suspending the screensaver */
- for (prev = &suspendingClients; (this = *prev); prev = &this->next)
- if (this->pClient == client)
- break;
-
- if (this)
- {
- if (stuff->suspend == TRUE)
- this->count++;
- else if (--this->count == 0)
- FreeResource (this->clientResource, RT_NONE);
-
- return Success;
- }
-
- /* If we get to this point, this client isn't suspending the screensaver */
- if (stuff->suspend == FALSE)
- return Success;
-
- /*
- * Allocate a suspension record for the client, and stop the screensaver
- * if it isn't already suspended by another client. We attach a resource ID
- * to the record, so the screensaver will be reenabled and the record freed
- * if the client disconnects without reenabling it first.
- */
- this = malloc(sizeof (ScreenSaverSuspensionRec));
-
- if (!this)
- return BadAlloc;
-
- this->next = NULL;
- this->pClient = client;
- this->count = 1;
- this->clientResource = FakeClientID (client->index);
-
- if (!AddResource (this->clientResource, SuspendType, (pointer) this))
- {
- free(this);
- return BadAlloc;
- }
-
- *prev = this;
- if (!screenSaverSuspended)
- {
- screenSaverSuspended = TRUE;
- FreeScreenSaverTimer();
- }
-
- return Success;
-}
-
-static int (*NormalVector[]) (ClientPtr /* client */) = {
- ProcScreenSaverQueryVersion,
- ProcScreenSaverQueryInfo,
- ProcScreenSaverSelectInput,
- ProcScreenSaverSetAttributes,
- ProcScreenSaverUnsetAttributes,
- ProcScreenSaverSuspend,
-};
-
-#define NUM_REQUESTS ((sizeof NormalVector) / (sizeof NormalVector[0]))
-
-static int
-ProcScreenSaverDispatch (ClientPtr client)
-{
- REQUEST(xReq);
-
- if (stuff->data < NUM_REQUESTS)
- return (*NormalVector[stuff->data])(client);
- return BadRequest;
-}
-
-static int
-SProcScreenSaverQueryVersion (ClientPtr client)
-{
- REQUEST(xScreenSaverQueryVersionReq);
- int n;
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH(xScreenSaverQueryVersionReq);
- return ProcScreenSaverQueryVersion (client);
-}
-
-static int
-SProcScreenSaverQueryInfo (ClientPtr client)
-{
- REQUEST(xScreenSaverQueryInfoReq);
- int n;
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH(xScreenSaverQueryInfoReq);
- swapl (&stuff->drawable, n);
- return ProcScreenSaverQueryInfo (client);
-}
-
-static int
-SProcScreenSaverSelectInput (ClientPtr client)
-{
- REQUEST(xScreenSaverSelectInputReq);
- int n;
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH(xScreenSaverSelectInputReq);
- swapl (&stuff->drawable, n);
- swapl (&stuff->eventMask, n);
- return ProcScreenSaverSelectInput (client);
-}
-
-static int
-SProcScreenSaverSetAttributes (ClientPtr client)
-{
- REQUEST(xScreenSaverSetAttributesReq);
- int n;
-
- swaps (&stuff->length, n);
- REQUEST_AT_LEAST_SIZE(xScreenSaverSetAttributesReq);
- swapl (&stuff->drawable, n);
- swaps (&stuff->x, n);
- swaps (&stuff->y, n);
- swaps (&stuff->width, n);
- swaps (&stuff->height, n);
- swaps (&stuff->borderWidth, n);
- swapl (&stuff->visualID, n);
- swapl (&stuff->mask, n);
- SwapRestL(stuff);
- return ProcScreenSaverSetAttributes (client);
-}
-
-static int
-SProcScreenSaverUnsetAttributes (ClientPtr client)
-{
- REQUEST(xScreenSaverUnsetAttributesReq);
- int n;
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH(xScreenSaverUnsetAttributesReq);
- swapl (&stuff->drawable, n);
- return ProcScreenSaverUnsetAttributes (client);
-}
-
-static int
-SProcScreenSaverSuspend (ClientPtr client)
-{
- int n;
- REQUEST(xScreenSaverSuspendReq);
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH(xScreenSaverSuspendReq);
- swapl(&stuff->suspend, n);
- return ProcScreenSaverSuspend (client);
-}
-
-static int (*SwappedVector[]) (ClientPtr /* client */) = {
- SProcScreenSaverQueryVersion,
- SProcScreenSaverQueryInfo,
- SProcScreenSaverSelectInput,
- SProcScreenSaverSetAttributes,
- SProcScreenSaverUnsetAttributes,
- SProcScreenSaverSuspend,
-};
-
-static int
-SProcScreenSaverDispatch (ClientPtr client)
-{
- REQUEST(xReq);
-
- if (stuff->data < NUM_REQUESTS)
- return (*SwappedVector[stuff->data])(client);
- return BadRequest;
-}
-
-void
-ScreenSaverExtensionInit(INITARGS)
-{
- ExtensionEntry *extEntry;
- int i;
- ScreenPtr pScreen;
-
- if (!dixRegisterPrivateKey(&ScreenPrivateKeyRec, PRIVATE_SCREEN, 0))
- return;
-
- AttrType = CreateNewResourceType(ScreenSaverFreeAttr, "SaverAttr");
- SaverEventType = CreateNewResourceType(ScreenSaverFreeEvents,
- "SaverEvent");
- SuspendType = CreateNewResourceType(ScreenSaverFreeSuspend,
- "SaverSuspend");
-
- for (i = 0; i < screenInfo.numScreens; i++)
- {
- pScreen = screenInfo.screens[i];
- SetScreenPrivate (pScreen, NULL);
- }
- if (AttrType && SaverEventType && SuspendType &&
- (extEntry = AddExtension(ScreenSaverName, ScreenSaverNumberEvents, 0,
- ProcScreenSaverDispatch, SProcScreenSaverDispatch,
- NULL, StandardMinorOpcode)))
- {
- ScreenSaverEventBase = extEntry->eventBase;
- EventSwapVector[ScreenSaverEventBase] = (EventSwapPtr) SScreenSaverNotifyEvent;
- }
-}
+/*
+ *
+Copyright (c) 1992 X Consortium
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of the X Consortium shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from the X Consortium.
+ *
+ * Author: Keith Packard, MIT X Consortium
+ */
+
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include "misc.h"
+#include "os.h"
+#include "windowstr.h"
+#include "scrnintstr.h"
+#include "pixmapstr.h"
+#include "extnsionst.h"
+#include "dixstruct.h"
+#include "resource.h"
+#include "opaque.h"
+#include <X11/extensions/saverproto.h>
+#include "gcstruct.h"
+#include "cursorstr.h"
+#include "colormapst.h"
+#include "xace.h"
+#ifdef PANORAMIX
+#include "panoramiX.h"
+#include "panoramiXsrv.h"
+#endif
+#ifdef DPMSExtension
+#include <X11/extensions/dpmsconst.h>
+#endif
+#include "protocol-versions.h"
+
+#include <stdio.h>
+
+#include "modinit.h"
+
+static int ScreenSaverEventBase = 0;
+
+
+static Bool ScreenSaverHandle (
+ ScreenPtr /* pScreen */,
+ int /* xstate */,
+ Bool /* force */
+ );
+
+static Bool
+CreateSaverWindow (
+ ScreenPtr /* pScreen */
+ );
+
+static Bool
+DestroySaverWindow (
+ ScreenPtr /* pScreen */
+ );
+
+static void
+UninstallSaverColormap (
+ ScreenPtr /* pScreen */
+ );
+
+static void
+CheckScreenPrivate (
+ ScreenPtr /* pScreen */
+ );
+
+static void SScreenSaverNotifyEvent (
+ xScreenSaverNotifyEvent * /* from */,
+ xScreenSaverNotifyEvent * /* to */
+ );
+
+static RESTYPE SuspendType; /* resource type for suspension records */
+
+typedef struct _ScreenSaverSuspension *ScreenSaverSuspensionPtr;
+
+/* List of clients that are suspending the screensaver. */
+static ScreenSaverSuspensionPtr suspendingClients = NULL;
+
+/*
+ * clientResource is a resource ID that's added when the record is
+ * allocated, so the record is freed and the screensaver resumed when
+ * the client disconnects. count is the number of times the client has
+ * requested the screensaver be suspended.
+ */
+typedef struct _ScreenSaverSuspension
+{
+ ScreenSaverSuspensionPtr next;
+ ClientPtr pClient;
+ XID clientResource;
+ int count;
+} ScreenSaverSuspensionRec;
+
+static int ScreenSaverFreeSuspend(
+ pointer /*value */,
+ XID /* id */
+);
+
+/*
+ * each screen has a list of clients requesting
+ * ScreenSaverNotify events. Each client has a resource
+ * for each screen it selects ScreenSaverNotify input for,
+ * this resource is used to delete the ScreenSaverNotifyRec
+ * entry from the per-screen queue.
+ */
+
+static RESTYPE SaverEventType; /* resource type for event masks */
+
+typedef struct _ScreenSaverEvent *ScreenSaverEventPtr;
+
+typedef struct _ScreenSaverEvent {
+ ScreenSaverEventPtr next;
+ ClientPtr client;
+ ScreenPtr screen;
+ XID resource;
+ CARD32 mask;
+} ScreenSaverEventRec;
+
+static int ScreenSaverFreeEvents(
+ pointer /* value */,
+ XID /* id */
+);
+
+static Bool setEventMask (
+ ScreenPtr /* pScreen */,
+ ClientPtr /* client */,
+ unsigned long /* mask */
+);
+
+static unsigned long getEventMask (
+ ScreenPtr /* pScreen */,
+ ClientPtr /* client */
+);
+
+/*
+ * when a client sets the screen saver attributes, a resource is
+ * kept to be freed when the client exits
+ */
+
+static RESTYPE AttrType; /* resource type for attributes */
+
+typedef struct _ScreenSaverAttr {
+ ScreenPtr screen;
+ ClientPtr client;
+ XID resource;
+ short x, y;
+ unsigned short width, height, borderWidth;
+ unsigned char class;
+ unsigned char depth;
+ VisualID visual;
+ CursorPtr pCursor;
+ PixmapPtr pBackgroundPixmap;
+ PixmapPtr pBorderPixmap;
+ Colormap colormap;
+ unsigned long mask; /* no pixmaps or cursors */
+ unsigned long *values;
+} ScreenSaverAttrRec, *ScreenSaverAttrPtr;
+
+static int ScreenSaverFreeAttr (
+ pointer /* value */,
+ XID /* id */
+);
+
+static void FreeAttrs (
+ ScreenSaverAttrPtr /* pAttr */
+);
+
+static void FreeScreenAttr (
+ ScreenSaverAttrPtr /* pAttr */
+);
+
+static void
+SendScreenSaverNotify (
+ ScreenPtr /* pScreen */,
+ int /* state */,
+ Bool /* forced */
+);
+
+typedef struct _ScreenSaverScreenPrivate {
+ ScreenSaverEventPtr events;
+ ScreenSaverAttrPtr attr;
+ Bool hasWindow;
+ Colormap installedMap;
+} ScreenSaverScreenPrivateRec, *ScreenSaverScreenPrivatePtr;
+
+static ScreenSaverScreenPrivatePtr
+MakeScreenPrivate (
+ ScreenPtr /* pScreen */
+ );
+
+static DevPrivateKeyRec ScreenPrivateKeyRec;
+#define ScreenPrivateKey (&ScreenPrivateKeyRec)
+
+#define GetScreenPrivate(s) ((ScreenSaverScreenPrivatePtr) \
+ dixLookupPrivate(&(s)->devPrivates, ScreenPrivateKey))
+#define SetScreenPrivate(s,v) \
+ dixSetPrivate(&(s)->devPrivates, ScreenPrivateKey, v);
+#define SetupScreen(s) ScreenSaverScreenPrivatePtr pPriv = (s ? GetScreenPrivate(s) : NULL)
+
+#define New(t) (malloc(sizeof (t)))
+
+static void
+CheckScreenPrivate (ScreenPtr pScreen)
+{
+ SetupScreen (pScreen);
+
+ if (!pPriv)
+ return;
+ if (!pPriv->attr && !pPriv->events &&
+ !pPriv->hasWindow && pPriv->installedMap == None)
+ {
+ free(pPriv);
+ SetScreenPrivate (pScreen, NULL);
+ pScreen->screensaver.ExternalScreenSaver = NULL;
+ }
+}
+
+static ScreenSaverScreenPrivatePtr
+MakeScreenPrivate (ScreenPtr pScreen)
+{
+ SetupScreen (pScreen);
+
+ if (pPriv)
+ return pPriv;
+ pPriv = New (ScreenSaverScreenPrivateRec);
+ if (!pPriv)
+ return 0;
+ pPriv->events = 0;
+ pPriv->attr = 0;
+ pPriv->hasWindow = FALSE;
+ pPriv->installedMap = None;
+ SetScreenPrivate (pScreen, pPriv);
+ pScreen->screensaver.ExternalScreenSaver = ScreenSaverHandle;
+ return pPriv;
+}
+
+static unsigned long
+getEventMask (ScreenPtr pScreen, ClientPtr client)
+{
+ SetupScreen(pScreen);
+ ScreenSaverEventPtr pEv;
+
+ if (!pPriv)
+ return 0;
+ for (pEv = pPriv->events; pEv; pEv = pEv->next)
+ if (pEv->client == client)
+ return pEv->mask;
+ return 0;
+}
+
+static Bool
+setEventMask (ScreenPtr pScreen, ClientPtr client, unsigned long mask)
+{
+ SetupScreen(pScreen);
+ ScreenSaverEventPtr pEv, *pPrev;
+
+ if (getEventMask (pScreen, client) == mask)
+ return TRUE;
+ if (!pPriv)
+ {
+ pPriv = MakeScreenPrivate (pScreen);
+ if (!pPriv)
+ return FALSE;
+ }
+ for (pPrev = &pPriv->events; (pEv = *pPrev) != 0; pPrev = &pEv->next)
+ if (pEv->client == client)
+ break;
+ if (mask == 0)
+ {
+ FreeResource (pEv->resource, SaverEventType);
+ *pPrev = pEv->next;
+ free(pEv);
+ CheckScreenPrivate (pScreen);
+ }
+ else
+ {
+ if (!pEv)
+ {
+ pEv = New (ScreenSaverEventRec);
+ if (!pEv)
+ {
+ CheckScreenPrivate (pScreen);
+ return FALSE;
+ }
+ *pPrev = pEv;
+ pEv->next = NULL;
+ pEv->client = client;
+ pEv->screen = pScreen;
+ pEv->resource = FakeClientID (client->index);
+ if (!AddResource (pEv->resource, SaverEventType, (pointer) pEv))
+ return FALSE;
+ }
+ pEv->mask = mask;
+ }
+ return TRUE;
+}
+
+static void
+FreeAttrs (ScreenSaverAttrPtr pAttr)
+{
+ PixmapPtr pPixmap;
+ CursorPtr pCursor;
+
+ if ((pPixmap = pAttr->pBackgroundPixmap) != 0)
+ (*pPixmap->drawable.pScreen->DestroyPixmap)(pPixmap);
+ if ((pPixmap = pAttr->pBorderPixmap) != 0)
+ (*pPixmap->drawable.pScreen->DestroyPixmap)(pPixmap);
+ if ((pCursor = pAttr->pCursor) != 0)
+ FreeCursor (pCursor, (Cursor) 0);
+}
+
+static void
+FreeScreenAttr (ScreenSaverAttrPtr pAttr)
+{
+ FreeAttrs (pAttr);
+ free(pAttr->values);
+ free(pAttr);
+}
+
+static int
+ScreenSaverFreeEvents (pointer value, XID id)
+{
+ ScreenSaverEventPtr pOld = (ScreenSaverEventPtr)value;
+ ScreenPtr pScreen = pOld->screen;
+ SetupScreen (pScreen);
+ ScreenSaverEventPtr pEv, *pPrev;
+
+ if (!pPriv)
+ return TRUE;
+ for (pPrev = &pPriv->events; (pEv = *pPrev) != 0; pPrev = &pEv->next)
+ if (pEv == pOld)
+ break;
+ if (!pEv)
+ return TRUE;
+ *pPrev = pEv->next;
+ free(pEv);
+ CheckScreenPrivate (pScreen);
+ return TRUE;
+}
+
+static int
+ScreenSaverFreeAttr (pointer value, XID id)
+{
+ ScreenSaverAttrPtr pOldAttr = (ScreenSaverAttrPtr)value;
+ ScreenPtr pScreen = pOldAttr->screen;
+ SetupScreen (pScreen);
+
+ if (!pPriv)
+ return TRUE;
+ if (pPriv->attr != pOldAttr)
+ return TRUE;
+ FreeScreenAttr (pOldAttr);
+ pPriv->attr = NULL;
+ if (pPriv->hasWindow)
+ {
+ dixSaveScreens (serverClient, SCREEN_SAVER_FORCER, ScreenSaverReset);
+ dixSaveScreens (serverClient, SCREEN_SAVER_FORCER, ScreenSaverActive);
+ }
+ CheckScreenPrivate (pScreen);
+ return TRUE;
+}
+
+static int
+ScreenSaverFreeSuspend (pointer value, XID id)
+{
+ ScreenSaverSuspensionPtr data = (ScreenSaverSuspensionPtr) value;
+ ScreenSaverSuspensionPtr *prev, this;
+
+ /* Unlink and free the suspension record for the client */
+ for (prev = &suspendingClients; (this = *prev); prev = &this->next)
+ {
+ if (this == data)
+ {
+ *prev = this->next;
+ free(this);
+ break;
+ }
+ }
+
+ /* Reenable the screensaver if this was the last client suspending it. */
+ if (screenSaverSuspended && suspendingClients == NULL)
+ {
+ screenSaverSuspended = FALSE;
+
+ /* The screensaver could be active, since suspending it (by design)
+ doesn't prevent it from being forceably activated */
+#ifdef DPMSExtension
+ if (screenIsSaved != SCREEN_SAVER_ON && DPMSPowerLevel == DPMSModeOn)
+#else
+ if (screenIsSaved != SCREEN_SAVER_ON)
+#endif
+ {
+ UpdateCurrentTimeIf();
+ lastDeviceEventTime = currentTime;
+ SetScreenSaverTimer();
+ }
+ }
+
+ return Success;
+}
+
+static void
+SendScreenSaverNotify (ScreenPtr pScreen, int state, Bool forced)
+{
+ ScreenSaverScreenPrivatePtr pPriv;
+ ScreenSaverEventPtr pEv;
+ unsigned long mask;
+ xScreenSaverNotifyEvent ev;
+ int kind;
+
+ UpdateCurrentTimeIf ();
+ mask = ScreenSaverNotifyMask;
+ if (state == ScreenSaverCycle)
+ mask = ScreenSaverCycleMask;
+ pScreen = screenInfo.screens[pScreen->myNum];
+ pPriv = GetScreenPrivate(pScreen);
+ if (!pPriv)
+ return;
+ if (pPriv->attr)
+ kind = ScreenSaverExternal;
+ else if (ScreenSaverBlanking != DontPreferBlanking)
+ kind = ScreenSaverBlanked;
+ else
+ kind = ScreenSaverInternal;
+ for (pEv = pPriv->events; pEv; pEv = pEv->next)
+ {
+ if (!(pEv->mask & mask))
+ continue;
+ ev.type = ScreenSaverNotify + ScreenSaverEventBase;
+ ev.state = state;
+ ev.timestamp = currentTime.milliseconds;
+ ev.root = pScreen->root->drawable.id;
+ ev.window = pScreen->screensaver.wid;
+ ev.kind = kind;
+ ev.forced = forced;
+ WriteEventsToClient (pEv->client, 1, (xEvent *) &ev);
+ }
+}
+
+static void
+SScreenSaverNotifyEvent (xScreenSaverNotifyEvent *from,
+ xScreenSaverNotifyEvent *to)
+{
+ to->type = from->type;
+ to->state = from->state;
+ cpswaps (from->sequenceNumber, to->sequenceNumber);
+ cpswapl (from->timestamp, to->timestamp);
+ cpswapl (from->root, to->root);
+ cpswapl (from->window, to->window);
+ to->kind = from->kind;
+ to->forced = from->forced;
+}
+
+static void
+UninstallSaverColormap (ScreenPtr pScreen)
+{
+ SetupScreen(pScreen);
+ ColormapPtr pCmap;
+ int rc;
+
+ if (pPriv && pPriv->installedMap != None)
+ {
+ rc = dixLookupResourceByType((pointer *)&pCmap, pPriv->installedMap,
+ RT_COLORMAP, serverClient,
+ DixUninstallAccess);
+ if (rc == Success)
+ (*pCmap->pScreen->UninstallColormap) (pCmap);
+ pPriv->installedMap = None;
+ CheckScreenPrivate (pScreen);
+ }
+}
+
+static Bool
+CreateSaverWindow (ScreenPtr pScreen)
+{
+ SetupScreen (pScreen);
+ ScreenSaverStuffPtr pSaver;
+ ScreenSaverAttrPtr pAttr;
+ WindowPtr pWin;
+ int result;
+ unsigned long mask;
+ Colormap *installedMaps;
+ int numInstalled;
+ int i;
+ Colormap wantMap;
+ ColormapPtr pCmap;
+
+ pSaver = &pScreen->screensaver;
+ if (pSaver->pWindow)
+ {
+ pSaver->pWindow = NullWindow;
+ FreeResource (pSaver->wid, RT_NONE);
+ if (pPriv)
+ {
+ UninstallSaverColormap (pScreen);
+ pPriv->hasWindow = FALSE;
+ CheckScreenPrivate (pScreen);
+ }
+ }
+
+ if (!pPriv || !(pAttr = pPriv->attr))
+ return FALSE;
+
+ pPriv->installedMap = None;
+
+ if (GrabInProgress && GrabInProgress != pAttr->client->index)
+ return FALSE;
+
+ pWin = CreateWindow (pSaver->wid, pScreen->root,
+ pAttr->x, pAttr->y, pAttr->width, pAttr->height,
+ pAttr->borderWidth, pAttr->class,
+ pAttr->mask, (XID *)pAttr->values,
+ pAttr->depth, serverClient, pAttr->visual,
+ &result);
+ if (!pWin)
+ return FALSE;
+
+ if (!AddResource(pWin->drawable.id, RT_WINDOW, pWin))
+ return FALSE;
+
+ mask = 0;
+ if (pAttr->pBackgroundPixmap)
+ {
+ pWin->backgroundState = BackgroundPixmap;
+ pWin->background.pixmap = pAttr->pBackgroundPixmap;
+ pAttr->pBackgroundPixmap->refcnt++;
+ mask |= CWBackPixmap;
+ }
+ if (pAttr->pBorderPixmap)
+ {
+ pWin->borderIsPixel = FALSE;
+ pWin->border.pixmap = pAttr->pBorderPixmap;
+ pAttr->pBorderPixmap->refcnt++;
+ mask |= CWBorderPixmap;
+ }
+ if (pAttr->pCursor)
+ {
+ if (!pWin->optional)
+ if (!MakeWindowOptional (pWin))
+ {
+ FreeResource (pWin->drawable.id, RT_NONE);
+ return FALSE;
+ }
+ pAttr->pCursor->refcnt++;
+ if (pWin->optional->cursor)
+ FreeCursor (pWin->optional->cursor, (Cursor)0);
+ pWin->optional->cursor = pAttr->pCursor;
+ pWin->cursorIsNone = FALSE;
+ CheckWindowOptionalNeed (pWin);
+ mask |= CWCursor;
+ }
+ if (mask)
+ (*pScreen->ChangeWindowAttributes) (pWin, mask);
+
+ if (pAttr->colormap != None)
+ (void) ChangeWindowAttributes (pWin, CWColormap, &pAttr->colormap,
+ serverClient);
+
+ MapWindow (pWin, serverClient);
+
+ pPriv->hasWindow = TRUE;
+ pSaver->pWindow = pWin;
+
+ /* check and install our own colormap if it isn't installed now */
+ wantMap = wColormap (pWin);
+ if (wantMap == None)
+ return TRUE;
+ installedMaps = malloc(pScreen->maxInstalledCmaps * sizeof (Colormap));
+ numInstalled = (*pWin->drawable.pScreen->ListInstalledColormaps)
+ (pScreen, installedMaps);
+ for (i = 0; i < numInstalled; i++)
+ if (installedMaps[i] == wantMap)
+ break;
+
+ free((char *) installedMaps);
+
+ if (i < numInstalled)
+ return TRUE;
+
+ result = dixLookupResourceByType((pointer *)&pCmap, wantMap, RT_COLORMAP,
+ serverClient, DixInstallAccess);
+ if (result != Success)
+ return TRUE;
+
+ pPriv->installedMap = wantMap;
+
+ (*pCmap->pScreen->InstallColormap) (pCmap);
+
+ return TRUE;
+}
+
+static Bool
+DestroySaverWindow (ScreenPtr pScreen)
+{
+ SetupScreen(pScreen);
+ ScreenSaverStuffPtr pSaver;
+
+ if (!pPriv || !pPriv->hasWindow)
+ return FALSE;
+
+ pSaver = &pScreen->screensaver;
+ if (pSaver->pWindow)
+ {
+ pSaver->pWindow = NullWindow;
+ FreeResource (pSaver->wid, RT_NONE);
+ }
+ pPriv->hasWindow = FALSE;
+ CheckScreenPrivate (pScreen);
+ UninstallSaverColormap (pScreen);
+ return TRUE;
+}
+
+static Bool
+ScreenSaverHandle (ScreenPtr pScreen, int xstate, Bool force)
+{
+ int state = 0;
+ Bool ret = FALSE;
+ ScreenSaverScreenPrivatePtr pPriv;
+
+ switch (xstate)
+ {
+ case SCREEN_SAVER_ON:
+ state = ScreenSaverOn;
+ ret = CreateSaverWindow (pScreen);
+ break;
+ case SCREEN_SAVER_OFF:
+ state = ScreenSaverOff;
+ ret = DestroySaverWindow (pScreen);
+ break;
+ case SCREEN_SAVER_CYCLE:
+ state = ScreenSaverCycle;
+ pPriv = GetScreenPrivate (pScreen);
+ if (pPriv && pPriv->hasWindow)
+ ret = TRUE;
+
+ }
+#ifdef PANORAMIX
+ if(noPanoramiXExtension || !pScreen->myNum)
+#endif
+ SendScreenSaverNotify (pScreen, state, force);
+ return ret;
+}
+
+static int
+ProcScreenSaverQueryVersion (ClientPtr client)
+{
+ xScreenSaverQueryVersionReply rep;
+ REQUEST_SIZE_MATCH (xScreenSaverQueryVersionReq);
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.majorVersion = SERVER_SAVER_MAJOR_VERSION;
+ rep.minorVersion = SERVER_SAVER_MINOR_VERSION;
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ }
+ WriteToClient(client, sizeof (xScreenSaverQueryVersionReply), (char *)&rep);
+ return Success;
+}
+
+static int
+ProcScreenSaverQueryInfo (ClientPtr client)
+{
+ REQUEST(xScreenSaverQueryInfoReq);
+ xScreenSaverQueryInfoReply rep;
+ int rc;
+ ScreenSaverStuffPtr pSaver;
+ DrawablePtr pDraw;
+ CARD32 lastInput;
+ ScreenSaverScreenPrivatePtr pPriv;
+
+ REQUEST_SIZE_MATCH (xScreenSaverQueryInfoReq);
+ rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0,
+ DixGetAttrAccess);
+ if (rc != Success)
+ return rc;
+ rc = XaceHook(XACE_SCREENSAVER_ACCESS, client, pDraw->pScreen,
+ DixGetAttrAccess);
+ if (rc != Success)
+ return rc;
+
+ pSaver = &pDraw->pScreen->screensaver;
+ pPriv = GetScreenPrivate (pDraw->pScreen);
+
+ UpdateCurrentTime ();
+ lastInput = GetTimeInMillis() - lastDeviceEventTime.milliseconds;
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.window = pSaver->wid;
+ if (screenIsSaved != SCREEN_SAVER_OFF)
+ {
+ rep.state = ScreenSaverOn;
+ if (ScreenSaverTime)
+ rep.tilOrSince = lastInput - ScreenSaverTime;
+ else
+ rep.tilOrSince = 0;
+ }
+ else
+ {
+ if (ScreenSaverTime)
+ {
+ rep.state = ScreenSaverOff;
+ if (ScreenSaverTime < lastInput)
+ rep.tilOrSince = 0;
+ else
+ rep.tilOrSince = ScreenSaverTime - lastInput;
+ }
+ else
+ {
+ rep.state = ScreenSaverDisabled;
+ rep.tilOrSince = 0;
+ }
+ }
+ rep.idle = lastInput;
+ rep.eventMask = getEventMask (pDraw->pScreen, client);
+ if (pPriv && pPriv->attr)
+ rep.kind = ScreenSaverExternal;
+ else if (ScreenSaverBlanking != DontPreferBlanking)
+ rep.kind = ScreenSaverBlanked;
+ else
+ rep.kind = ScreenSaverInternal;
+ if (client->swapped)
+ {
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ swapl(&rep.window);
+ swapl(&rep.tilOrSince);
+ swapl(&rep.idle);
+ swapl(&rep.eventMask);
+ }
+ WriteToClient(client, sizeof (xScreenSaverQueryInfoReply), (char *)&rep);
+ return Success;
+}
+
+static int
+ProcScreenSaverSelectInput (ClientPtr client)
+{
+ REQUEST(xScreenSaverSelectInputReq);
+ DrawablePtr pDraw;
+ int rc;
+
+ REQUEST_SIZE_MATCH (xScreenSaverSelectInputReq);
+ rc = dixLookupDrawable (&pDraw, stuff->drawable, client, 0,
+ DixGetAttrAccess);
+ if (rc != Success)
+ return rc;
+
+ rc = XaceHook(XACE_SCREENSAVER_ACCESS, client, pDraw->pScreen,
+ DixSetAttrAccess);
+ if (rc != Success)
+ return rc;
+
+ if (!setEventMask (pDraw->pScreen, client, stuff->eventMask))
+ return BadAlloc;
+ return Success;
+}
+
+static int
+ScreenSaverSetAttributes (ClientPtr client)
+{
+ REQUEST(xScreenSaverSetAttributesReq);
+ DrawablePtr pDraw;
+ WindowPtr pParent;
+ ScreenPtr pScreen;
+ ScreenSaverScreenPrivatePtr pPriv = 0;
+ ScreenSaverAttrPtr pAttr = 0;
+ int ret, len, class, bw, depth;
+ unsigned long visual;
+ int idepth, ivisual;
+ Bool fOK;
+ DepthPtr pDepth;
+ WindowOptPtr ancwopt;
+ unsigned int *pVlist;
+ unsigned long *values = 0;
+ unsigned long tmask, imask;
+ unsigned long val;
+ Pixmap pixID;
+ PixmapPtr pPixmap;
+ Cursor cursorID;
+ CursorPtr pCursor;
+ Colormap cmap;
+ ColormapPtr pCmap;
+
+ REQUEST_AT_LEAST_SIZE (xScreenSaverSetAttributesReq);
+ ret = dixLookupDrawable(&pDraw, stuff->drawable, client, 0,
+ DixGetAttrAccess);
+ if (ret != Success)
+ return ret;
+ pScreen = pDraw->pScreen;
+ pParent = pScreen->root;
+
+ ret = XaceHook(XACE_SCREENSAVER_ACCESS, client, pScreen, DixSetAttrAccess);
+ if (ret != Success)
+ return ret;
+
+ len = stuff->length - bytes_to_int32(sizeof(xScreenSaverSetAttributesReq));
+ if (Ones(stuff->mask) != len)
+ return BadLength;
+ if (!stuff->width || !stuff->height)
+ {
+ client->errorValue = 0;
+ return BadValue;
+ }
+ switch (class = stuff->c_class)
+ {
+ case CopyFromParent:
+ case InputOnly:
+ case InputOutput:
+ break;
+ default:
+ client->errorValue = class;
+ return BadValue;
+ }
+ bw = stuff->borderWidth;
+ depth = stuff->depth;
+ visual = stuff->visualID;
+
+ /* copied directly from CreateWindow */
+
+ if (class == CopyFromParent)
+ class = pParent->drawable.class;
+
+ if ((class != InputOutput) && (class != InputOnly))
+ {
+ client->errorValue = class;
+ return BadValue;
+ }
+
+ if ((class != InputOnly) && (pParent->drawable.class == InputOnly))
+ return BadMatch;
+
+ if ((class == InputOnly) && ((bw != 0) || (depth != 0)))
+ return BadMatch;
+
+ if ((class == InputOutput) && (depth == 0))
+ depth = pParent->drawable.depth;
+ ancwopt = pParent->optional;
+ if (!ancwopt)
+ ancwopt = FindWindowWithOptional(pParent)->optional;
+ if (visual == CopyFromParent)
+ visual = ancwopt->visual;
+
+ /* Find out if the depth and visual are acceptable for this Screen */
+ if ((visual != ancwopt->visual) || (depth != pParent->drawable.depth))
+ {
+ fOK = FALSE;
+ for(idepth = 0; idepth < pScreen->numDepths; idepth++)
+ {
+ pDepth = (DepthPtr) &pScreen->allowedDepths[idepth];
+ if ((depth == pDepth->depth) || (depth == 0))
+ {
+ for (ivisual = 0; ivisual < pDepth->numVids; ivisual++)
+ {
+ if (visual == pDepth->vids[ivisual])
+ {
+ fOK = TRUE;
+ break;
+ }
+ }
+ }
+ }
+ if (fOK == FALSE)
+ return BadMatch;
+ }
+
+ if (((stuff->mask & (CWBorderPixmap | CWBorderPixel)) == 0) &&
+ (class != InputOnly) &&
+ (depth != pParent->drawable.depth))
+ {
+ return BadMatch;
+ }
+
+ if (((stuff->mask & CWColormap) == 0) &&
+ (class != InputOnly) &&
+ ((visual != ancwopt->visual) || (ancwopt->colormap == None)))
+ {
+ return BadMatch;
+ }
+
+ /* end of errors from CreateWindow */
+
+ pPriv = GetScreenPrivate (pScreen);
+ if (pPriv && pPriv->attr)
+ {
+ if (pPriv->attr->client != client)
+ return BadAccess;
+ }
+ if (!pPriv)
+ {
+ pPriv = MakeScreenPrivate (pScreen);
+ if (!pPriv)
+ return FALSE;
+ }
+ pAttr = New (ScreenSaverAttrRec);
+ if (!pAttr)
+ {
+ ret = BadAlloc;
+ goto bail;
+ }
+ /* over allocate for override redirect */
+ values = malloc((len + 1) * sizeof (unsigned long));
+ if (!values)
+ {
+ ret = BadAlloc;
+ goto bail;
+ }
+ pAttr->screen = pScreen;
+ pAttr->client = client;
+ pAttr->x = stuff->x;
+ pAttr->y = stuff->y;
+ pAttr->width = stuff->width;
+ pAttr->height = stuff->height;
+ pAttr->borderWidth = stuff->borderWidth;
+ pAttr->class = stuff->c_class;
+ pAttr->depth = depth;
+ pAttr->visual = visual;
+ pAttr->colormap = None;
+ pAttr->pCursor = NullCursor;
+ pAttr->pBackgroundPixmap = NullPixmap;
+ pAttr->pBorderPixmap = NullPixmap;
+ pAttr->values = values;
+ /*
+ * go through the mask, checking the values,
+ * looking up pixmaps and cursors and hold a reference
+ * to them.
+ */
+ pAttr->mask = tmask = stuff->mask | CWOverrideRedirect;
+ pVlist = (unsigned int *) (stuff + 1);
+ while (tmask) {
+ imask = lowbit (tmask);
+ tmask &= ~imask;
+ switch (imask)
+ {
+ case CWBackPixmap:
+ pixID = (Pixmap )*pVlist;
+ if (pixID == None)
+ {
+ *values++ = None;
+ }
+ else if (pixID == ParentRelative)
+ {
+ if (depth != pParent->drawable.depth)
+ {
+ ret = BadMatch;
+ goto PatchUp;
+ }
+ *values++ = ParentRelative;
+ }
+ else
+ {
+ ret = dixLookupResourceByType((pointer *)&pPixmap, pixID, RT_PIXMAP,
+ client, DixReadAccess);
+ if (ret == Success)
+ {
+ if ((pPixmap->drawable.depth != depth) ||
+ (pPixmap->drawable.pScreen != pScreen))
+ {
+ ret = BadMatch;
+ goto PatchUp;
+ }
+ pAttr->pBackgroundPixmap = pPixmap;
+ pPixmap->refcnt++;
+ pAttr->mask &= ~CWBackPixmap;
+ }
+ else
+ {
+ client->errorValue = pixID;
+ goto PatchUp;
+ }
+ }
+ break;
+ case CWBackPixel:
+ *values++ = (CARD32) *pVlist;
+ break;
+ case CWBorderPixmap:
+ pixID = (Pixmap ) *pVlist;
+ if (pixID == CopyFromParent)
+ {
+ if (depth != pParent->drawable.depth)
+ {
+ ret = BadMatch;
+ goto PatchUp;
+ }
+ *values++ = CopyFromParent;
+ }
+ else
+ {
+ ret = dixLookupResourceByType((pointer *)&pPixmap, pixID, RT_PIXMAP,
+ client, DixReadAccess);
+ if (ret == Success)
+ {
+ if ((pPixmap->drawable.depth != depth) ||
+ (pPixmap->drawable.pScreen != pScreen))
+ {
+ ret = BadMatch;
+ goto PatchUp;
+ }
+ pAttr->pBorderPixmap = pPixmap;
+ pPixmap->refcnt++;
+ pAttr->mask &= ~CWBorderPixmap;
+ }
+ else
+ {
+ client->errorValue = pixID;
+ goto PatchUp;
+ }
+ }
+ break;
+ case CWBorderPixel:
+ *values++ = (CARD32) *pVlist;
+ break;
+ case CWBitGravity:
+ val = (CARD8 )*pVlist;
+ if (val > StaticGravity)
+ {
+ ret = BadValue;
+ client->errorValue = val;
+ goto PatchUp;
+ }
+ *values++ = val;
+ break;
+ case CWWinGravity:
+ val = (CARD8 )*pVlist;
+ if (val > StaticGravity)
+ {
+ ret = BadValue;
+ client->errorValue = val;
+ goto PatchUp;
+ }
+ *values++ = val;
+ break;
+ case CWBackingStore:
+ val = (CARD8 )*pVlist;
+ if ((val != NotUseful) && (val != WhenMapped) && (val != Always))
+ {
+ ret = BadValue;
+ client->errorValue = val;
+ goto PatchUp;
+ }
+ *values++ = val;
+ break;
+ case CWBackingPlanes:
+ *values++ = (CARD32) *pVlist;
+ break;
+ case CWBackingPixel:
+ *values++ = (CARD32) *pVlist;
+ break;
+ case CWSaveUnder:
+ val = (BOOL) *pVlist;
+ if ((val != xTrue) && (val != xFalse))
+ {
+ ret = BadValue;
+ client->errorValue = val;
+ goto PatchUp;
+ }
+ *values++ = val;
+ break;
+ case CWEventMask:
+ *values++ = (CARD32) *pVlist;
+ break;
+ case CWDontPropagate:
+ *values++ = (CARD32) *pVlist;
+ break;
+ case CWOverrideRedirect:
+ if (!(stuff->mask & CWOverrideRedirect))
+ pVlist--;
+ else
+ {
+ val = (BOOL ) *pVlist;
+ if ((val != xTrue) && (val != xFalse))
+ {
+ ret = BadValue;
+ client->errorValue = val;
+ goto PatchUp;
+ }
+ }
+ *values++ = xTrue;
+ break;
+ case CWColormap:
+ cmap = (Colormap) *pVlist;
+ ret = dixLookupResourceByType((pointer *)&pCmap, cmap, RT_COLORMAP,
+ client, DixUseAccess);
+ if (ret != Success)
+ {
+ client->errorValue = cmap;
+ goto PatchUp;
+ }
+ if (pCmap->pVisual->vid != visual || pCmap->pScreen != pScreen)
+ {
+ ret = BadMatch;
+ goto PatchUp;
+ }
+ pAttr->colormap = cmap;
+ pAttr->mask &= ~CWColormap;
+ break;
+ case CWCursor:
+ cursorID = (Cursor ) *pVlist;
+ if ( cursorID == None)
+ {
+ *values++ = None;
+ }
+ else
+ {
+ ret = dixLookupResourceByType((pointer *)&pCursor, cursorID,
+ RT_CURSOR, client, DixUseAccess);
+ if (ret != Success)
+ {
+ client->errorValue = cursorID;
+ goto PatchUp;
+ }
+ pCursor->refcnt++;
+ pAttr->pCursor = pCursor;
+ pAttr->mask &= ~CWCursor;
+ }
+ break;
+ default:
+ ret = BadValue;
+ client->errorValue = stuff->mask;
+ goto PatchUp;
+ }
+ pVlist++;
+ }
+ if (pPriv->attr)
+ FreeScreenAttr (pPriv->attr);
+ pPriv->attr = pAttr;
+ pAttr->resource = FakeClientID (client->index);
+ if (!AddResource (pAttr->resource, AttrType, (pointer) pAttr))
+ return BadAlloc;
+ return Success;
+PatchUp:
+ FreeAttrs (pAttr);
+bail:
+ CheckScreenPrivate (pScreen);
+ if (pAttr) free(pAttr->values);
+ free(pAttr);
+ return ret;
+}
+
+static int
+ScreenSaverUnsetAttributes (ClientPtr client)
+{
+ REQUEST(xScreenSaverSetAttributesReq);
+ DrawablePtr pDraw;
+ ScreenSaverScreenPrivatePtr pPriv;
+ int rc;
+
+ REQUEST_SIZE_MATCH (xScreenSaverUnsetAttributesReq);
+ rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0,
+ DixGetAttrAccess);
+ if (rc != Success)
+ return rc;
+ pPriv = GetScreenPrivate (pDraw->pScreen);
+ if (pPriv && pPriv->attr && pPriv->attr->client == client)
+ {
+ FreeResource (pPriv->attr->resource, AttrType);
+ FreeScreenAttr (pPriv->attr);
+ pPriv->attr = NULL;
+ CheckScreenPrivate (pDraw->pScreen);
+ }
+ return Success;
+}
+
+static int
+ProcScreenSaverSetAttributes (ClientPtr client)
+{
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension) {
+ REQUEST(xScreenSaverSetAttributesReq);
+ PanoramiXRes *draw;
+ PanoramiXRes *backPix = NULL;
+ PanoramiXRes *bordPix = NULL;
+ PanoramiXRes *cmap = NULL;
+ int i, status, len;
+ int pback_offset = 0, pbord_offset = 0, cmap_offset = 0;
+ XID orig_visual, tmp;
+
+ REQUEST_AT_LEAST_SIZE (xScreenSaverSetAttributesReq);
+
+ status = dixLookupResourceByClass((pointer *)&draw, stuff->drawable,
+ XRC_DRAWABLE, client, DixWriteAccess);
+ if (status != Success)
+ return (status == BadValue) ? BadDrawable : status;
+
+ len = stuff->length - bytes_to_int32(sizeof(xScreenSaverSetAttributesReq));
+ if (Ones(stuff->mask) != len)
+ return BadLength;
+
+ if((Mask)stuff->mask & CWBackPixmap) {
+ pback_offset = Ones((Mask)stuff->mask & (CWBackPixmap - 1));
+ tmp = *((CARD32 *) &stuff[1] + pback_offset);
+ if ((tmp != None) && (tmp != ParentRelative)) {
+ status = dixLookupResourceByType((pointer *)&backPix, tmp,
+ XRT_PIXMAP, client,
+ DixReadAccess);
+ if (status != Success)
+ return status;
+ }
+ }
+
+ if ((Mask)stuff->mask & CWBorderPixmap) {
+ pbord_offset = Ones((Mask)stuff->mask & (CWBorderPixmap - 1));
+ tmp = *((CARD32 *) &stuff[1] + pbord_offset);
+ if (tmp != CopyFromParent) {
+ status = dixLookupResourceByType((pointer *)&bordPix, tmp,
+ XRT_PIXMAP, client,
+ DixReadAccess);
+ if (status != Success)
+ return status;
+ }
+ }
+
+ if ((Mask)stuff->mask & CWColormap) {
+ cmap_offset = Ones((Mask)stuff->mask & (CWColormap - 1));
+ tmp = *((CARD32 *) &stuff[1] + cmap_offset);
+ if ((tmp != CopyFromParent) && (tmp != None)) {
+ status = dixLookupResourceByType((pointer *)&cmap, tmp,
+ XRT_COLORMAP, client,
+ DixReadAccess);
+ if (status != Success)
+ return status;
+ }
+ }
+
+ orig_visual = stuff->visualID;
+
+ FOR_NSCREENS_BACKWARD(i) {
+ stuff->drawable = draw->info[i].id;
+ if (backPix)
+ *((CARD32 *) &stuff[1] + pback_offset) = backPix->info[i].id;
+ if (bordPix)
+ *((CARD32 *) &stuff[1] + pbord_offset) = bordPix->info[i].id;
+ if (cmap)
+ *((CARD32 *) &stuff[1] + cmap_offset) = cmap->info[i].id;
+
+ if (orig_visual != CopyFromParent)
+ stuff->visualID = PanoramiXTranslateVisualID(i, orig_visual);
+
+ status = ScreenSaverSetAttributes(client);
+ }
+
+ return status;
+ }
+#endif
+
+ return ScreenSaverSetAttributes(client);
+}
+
+static int
+ProcScreenSaverUnsetAttributes (ClientPtr client)
+{
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension) {
+ REQUEST(xScreenSaverUnsetAttributesReq);
+ PanoramiXRes *draw;
+ int rc, i;
+
+ rc = dixLookupResourceByClass((pointer *)&draw, stuff->drawable,
+ XRC_DRAWABLE, client, DixWriteAccess);
+ if (rc != Success)
+ return (rc == BadValue) ? BadDrawable : rc;
+
+ for(i = PanoramiXNumScreens - 1; i > 0; i--) {
+ stuff->drawable = draw->info[i].id;
+ ScreenSaverUnsetAttributes(client);
+ }
+
+ stuff->drawable = draw->info[0].id;
+ }
+#endif
+
+ return ScreenSaverUnsetAttributes(client);
+}
+
+static int
+ProcScreenSaverSuspend (ClientPtr client)
+{
+ ScreenSaverSuspensionPtr *prev, this;
+
+ REQUEST(xScreenSaverSuspendReq);
+ REQUEST_SIZE_MATCH(xScreenSaverSuspendReq);
+
+ /* Check if this client is suspending the screensaver */
+ for (prev = &suspendingClients; (this = *prev); prev = &this->next)
+ if (this->pClient == client)
+ break;
+
+ if (this)
+ {
+ if (stuff->suspend == TRUE)
+ this->count++;
+ else if (--this->count == 0)
+ FreeResource (this->clientResource, RT_NONE);
+
+ return Success;
+ }
+
+ /* If we get to this point, this client isn't suspending the screensaver */
+ if (stuff->suspend == FALSE)
+ return Success;
+
+ /*
+ * Allocate a suspension record for the client, and stop the screensaver
+ * if it isn't already suspended by another client. We attach a resource ID
+ * to the record, so the screensaver will be reenabled and the record freed
+ * if the client disconnects without reenabling it first.
+ */
+ this = malloc(sizeof (ScreenSaverSuspensionRec));
+
+ if (!this)
+ return BadAlloc;
+
+ this->next = NULL;
+ this->pClient = client;
+ this->count = 1;
+ this->clientResource = FakeClientID (client->index);
+
+ if (!AddResource (this->clientResource, SuspendType, (pointer) this))
+ {
+ free(this);
+ return BadAlloc;
+ }
+
+ *prev = this;
+ if (!screenSaverSuspended)
+ {
+ screenSaverSuspended = TRUE;
+ FreeScreenSaverTimer();
+ }
+
+ return Success;
+}
+
+static int (*NormalVector[]) (ClientPtr /* client */) = {
+ ProcScreenSaverQueryVersion,
+ ProcScreenSaverQueryInfo,
+ ProcScreenSaverSelectInput,
+ ProcScreenSaverSetAttributes,
+ ProcScreenSaverUnsetAttributes,
+ ProcScreenSaverSuspend,
+};
+
+#define NUM_REQUESTS ((sizeof NormalVector) / (sizeof NormalVector[0]))
+
+static int
+ProcScreenSaverDispatch (ClientPtr client)
+{
+ REQUEST(xReq);
+
+ if (stuff->data < NUM_REQUESTS)
+ return (*NormalVector[stuff->data])(client);
+ return BadRequest;
+}
+
+static int
+SProcScreenSaverQueryVersion (ClientPtr client)
+{
+ REQUEST(xScreenSaverQueryVersionReq);
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xScreenSaverQueryVersionReq);
+ return ProcScreenSaverQueryVersion (client);
+}
+
+static int
+SProcScreenSaverQueryInfo (ClientPtr client)
+{
+ REQUEST(xScreenSaverQueryInfoReq);
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xScreenSaverQueryInfoReq);
+ swapl(&stuff->drawable);
+ return ProcScreenSaverQueryInfo (client);
+}
+
+static int
+SProcScreenSaverSelectInput (ClientPtr client)
+{
+ REQUEST(xScreenSaverSelectInputReq);
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xScreenSaverSelectInputReq);
+ swapl(&stuff->drawable);
+ swapl(&stuff->eventMask);
+ return ProcScreenSaverSelectInput (client);
+}
+
+static int
+SProcScreenSaverSetAttributes (ClientPtr client)
+{
+ REQUEST(xScreenSaverSetAttributesReq);
+ swaps(&stuff->length);
+ REQUEST_AT_LEAST_SIZE(xScreenSaverSetAttributesReq);
+ swapl(&stuff->drawable);
+ swaps(&stuff->x);
+ swaps(&stuff->y);
+ swaps(&stuff->width);
+ swaps(&stuff->height);
+ swaps(&stuff->borderWidth);
+ swapl(&stuff->visualID);
+ swapl(&stuff->mask);
+ SwapRestL(stuff);
+ return ProcScreenSaverSetAttributes (client);
+}
+
+static int
+SProcScreenSaverUnsetAttributes (ClientPtr client)
+{
+ REQUEST(xScreenSaverUnsetAttributesReq);
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xScreenSaverUnsetAttributesReq);
+ swapl(&stuff->drawable);
+ return ProcScreenSaverUnsetAttributes (client);
+}
+
+static int
+SProcScreenSaverSuspend (ClientPtr client)
+{
+ REQUEST(xScreenSaverSuspendReq);
+
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xScreenSaverSuspendReq);
+ return ProcScreenSaverSuspend (client);
+}
+
+static int (*SwappedVector[]) (ClientPtr /* client */) = {
+ SProcScreenSaverQueryVersion,
+ SProcScreenSaverQueryInfo,
+ SProcScreenSaverSelectInput,
+ SProcScreenSaverSetAttributes,
+ SProcScreenSaverUnsetAttributes,
+ SProcScreenSaverSuspend,
+};
+
+static int
+SProcScreenSaverDispatch (ClientPtr client)
+{
+ REQUEST(xReq);
+
+ if (stuff->data < NUM_REQUESTS)
+ return (*SwappedVector[stuff->data])(client);
+ return BadRequest;
+}
+
+void
+ScreenSaverExtensionInit(INITARGS)
+{
+ ExtensionEntry *extEntry;
+ int i;
+ ScreenPtr pScreen;
+
+ if (!dixRegisterPrivateKey(&ScreenPrivateKeyRec, PRIVATE_SCREEN, 0))
+ return;
+
+ AttrType = CreateNewResourceType(ScreenSaverFreeAttr, "SaverAttr");
+ SaverEventType = CreateNewResourceType(ScreenSaverFreeEvents,
+ "SaverEvent");
+ SuspendType = CreateNewResourceType(ScreenSaverFreeSuspend,
+ "SaverSuspend");
+
+ for (i = 0; i < screenInfo.numScreens; i++)
+ {
+ pScreen = screenInfo.screens[i];
+ SetScreenPrivate (pScreen, NULL);
+ }
+ if (AttrType && SaverEventType && SuspendType &&
+ (extEntry = AddExtension(ScreenSaverName, ScreenSaverNumberEvents, 0,
+ ProcScreenSaverDispatch, SProcScreenSaverDispatch,
+ NULL, StandardMinorOpcode)))
+ {
+ ScreenSaverEventBase = extEntry->eventBase;
+ EventSwapVector[ScreenSaverEventBase] = (EventSwapPtr) SScreenSaverNotifyEvent;
+ }
+}
diff --git a/xorg-server/Xext/security.c b/xorg-server/Xext/security.c
index d687926c6..08d8158e3 100644
--- a/xorg-server/Xext/security.c
+++ b/xorg-server/Xext/security.c
@@ -1,1146 +1,1141 @@
-/*
-
-Copyright 1996, 1998 The Open Group
-
-Permission to use, copy, modify, distribute, and sell this software and its
-documentation for any purpose is hereby granted without fee, provided that
-the above copyright notice appear in all copies and that both that
-copyright notice and this permission notice appear in supporting
-documentation.
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
-AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of The Open Group shall not be
-used in advertising or otherwise to promote the sale, use or other dealings
-in this Software without prior written authorization from The Open Group.
-
-*/
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include "scrnintstr.h"
-#include "inputstr.h"
-#include "windowstr.h"
-#include "propertyst.h"
-#include "colormapst.h"
-#include "privates.h"
-#include "registry.h"
-#include "xacestr.h"
-#include "securitysrv.h"
-#include <X11/extensions/securproto.h>
-#include "modinit.h"
-#include "protocol-versions.h"
-
-/* Extension stuff */
-static int SecurityErrorBase; /* first Security error number */
-static int SecurityEventBase; /* first Security event number */
-
-RESTYPE SecurityAuthorizationResType; /* resource type for authorizations */
-static RESTYPE RTEventClient;
-
-static CallbackListPtr SecurityValidateGroupCallback = NULL;
-
-/* Private state record */
-static DevPrivateKeyRec stateKeyRec;
-#define stateKey (&stateKeyRec)
-
-/* This is what we store as client security state */
-typedef struct {
- int haveState;
- unsigned int trustLevel;
- XID authId;
-} SecurityStateRec;
-
-/* Extensions that untrusted clients shouldn't have access to */
-static char *SecurityTrustedExtensions[] = {
- "XC-MISC",
- "BIG-REQUESTS",
- "XpExtension",
- NULL
-};
-
-/*
- * Access modes that untrusted clients are allowed on trusted objects.
- */
-static const Mask SecurityResourceMask =
- DixGetAttrAccess | DixReceiveAccess | DixListPropAccess |
- DixGetPropAccess | DixListAccess;
-static const Mask SecurityWindowExtraMask = DixRemoveAccess;
-static const Mask SecurityRootWindowExtraMask =
- DixReceiveAccess | DixSendAccess | DixAddAccess | DixRemoveAccess;
-static const Mask SecurityDeviceMask =
- DixGetAttrAccess | DixReceiveAccess | DixGetFocusAccess |
- DixGrabAccess | DixSetAttrAccess | DixUseAccess;
-static const Mask SecurityServerMask = DixGetAttrAccess | DixGrabAccess;
-static const Mask SecurityClientMask = DixGetAttrAccess;
-
-
-/* SecurityAudit
- *
- * Arguments:
- * format is the formatting string to be used to interpret the
- * remaining arguments.
- *
- * Returns: nothing.
- *
- * Side Effects:
- * Writes the message to the log file if security logging is on.
- */
-
-static void
-SecurityAudit(char *format, ...)
-{
- va_list args;
-
- if (auditTrailLevel < SECURITY_AUDIT_LEVEL)
- return;
- va_start(args, format);
- VAuditF(format, args);
- va_end(args);
-} /* SecurityAudit */
-
-/*
- * Performs a Security permission check.
- */
-static int
-SecurityDoCheck(SecurityStateRec *subj, SecurityStateRec *obj,
- Mask requested, Mask allowed)
-{
- if (!subj->haveState || !obj->haveState)
- return Success;
- if (subj->trustLevel == XSecurityClientTrusted)
- return Success;
- if (obj->trustLevel != XSecurityClientTrusted)
- return Success;
- if ((requested | allowed) == allowed)
- return Success;
-
- return BadAccess;
-}
-
-/*
- * Labels initial server objects.
- */
-static void
-SecurityLabelInitial(void)
-{
- SecurityStateRec *state;
-
- /* Do the serverClient */
- state = dixLookupPrivate(&serverClient->devPrivates, stateKey);
- state->trustLevel = XSecurityClientTrusted;
- state->haveState = TRUE;
-}
-
-/*
- * Looks up a request name
- */
-static _X_INLINE const char *
-SecurityLookupRequestName(ClientPtr client)
-{
- int major = ((xReq *)client->requestBuffer)->reqType;
- int minor = MinorOpcodeOfRequest(client);
- return LookupRequestName(major, minor);
-}
-
-
-/* SecurityDeleteAuthorization
- *
- * Arguments:
- * value is the authorization to delete.
- * id is its resource ID.
- *
- * Returns: Success.
- *
- * Side Effects:
- * Frees everything associated with the authorization.
- */
-
-static int
-SecurityDeleteAuthorization(
- pointer value,
- XID id)
-{
- SecurityAuthorizationPtr pAuth = (SecurityAuthorizationPtr)value;
- unsigned short name_len, data_len;
- char *name, *data;
- int status;
- int i;
- OtherClientsPtr pEventClient;
-
- /* Remove the auth using the os layer auth manager */
-
- status = AuthorizationFromID(pAuth->id, &name_len, &name,
- &data_len, &data);
- assert(status);
- status = RemoveAuthorization(name_len, name, data_len, data);
- assert(status);
- (void)status;
-
- /* free the auth timer if there is one */
-
- if (pAuth->timer) TimerFree(pAuth->timer);
-
- /* send revoke events */
-
- while ((pEventClient = pAuth->eventClients))
- {
- /* send revocation event event */
- xSecurityAuthorizationRevokedEvent are;
- are.type = SecurityEventBase + XSecurityAuthorizationRevoked;
- are.authId = pAuth->id;
- WriteEventsToClient(rClient(pEventClient), 1, (xEvent *)&are);
- FreeResource(pEventClient->resource, RT_NONE);
- }
-
- /* kill all clients using this auth */
-
- for (i = 1; i<currentMaxClients; i++)
- if (clients[i]) {
- SecurityStateRec *state;
- state = dixLookupPrivate(&clients[i]->devPrivates, stateKey);
- if (state->haveState && state->authId == pAuth->id)
- CloseDownClient(clients[i]);
- }
-
- SecurityAudit("revoked authorization ID %d\n", pAuth->id);
- free(pAuth);
- return Success;
-
-} /* SecurityDeleteAuthorization */
-
-
-/* resource delete function for RTEventClient */
-static int
-SecurityDeleteAuthorizationEventClient(
- pointer value,
- XID id)
-{
- OtherClientsPtr pEventClient, prev = NULL;
- SecurityAuthorizationPtr pAuth = (SecurityAuthorizationPtr)value;
-
- for (pEventClient = pAuth->eventClients;
- pEventClient;
- pEventClient = pEventClient->next)
- {
- if (pEventClient->resource == id)
- {
- if (prev)
- prev->next = pEventClient->next;
- else
- pAuth->eventClients = pEventClient->next;
- free(pEventClient);
- return Success;
- }
- prev = pEventClient;
- }
- /*NOTREACHED*/
- return -1; /* make compiler happy */
-} /* SecurityDeleteAuthorizationEventClient */
-
-
-/* SecurityComputeAuthorizationTimeout
- *
- * Arguments:
- * pAuth is the authorization for which we are computing the timeout
- * seconds is the number of seconds we want to wait
- *
- * Returns:
- * the number of milliseconds that the auth timer should be set to
- *
- * Side Effects:
- * Sets pAuth->secondsRemaining to any "overflow" amount of time
- * that didn't fit in 32 bits worth of milliseconds
- */
-
-static CARD32
-SecurityComputeAuthorizationTimeout(
- SecurityAuthorizationPtr pAuth,
- unsigned int seconds)
-{
- /* maxSecs is the number of full seconds that can be expressed in
- * 32 bits worth of milliseconds
- */
- CARD32 maxSecs = (CARD32)(~0) / (CARD32)MILLI_PER_SECOND;
-
- if (seconds > maxSecs)
- { /* only come here if we want to wait more than 49 days */
- pAuth->secondsRemaining = seconds - maxSecs;
- return maxSecs * MILLI_PER_SECOND;
- }
- else
- { /* by far the common case */
- pAuth->secondsRemaining = 0;
- return seconds * MILLI_PER_SECOND;
- }
-} /* SecurityStartAuthorizationTimer */
-
-/* SecurityAuthorizationExpired
- *
- * This function is passed as an argument to TimerSet and gets called from
- * the timer manager in the os layer when its time is up.
- *
- * Arguments:
- * timer is the timer for this authorization.
- * time is the current time.
- * pval is the authorization whose time is up.
- *
- * Returns:
- * A new time delay in milliseconds if the timer should wait some
- * more, else zero.
- *
- * Side Effects:
- * Frees the authorization resource if the timeout period is really
- * over, otherwise recomputes pAuth->secondsRemaining.
- */
-
-static CARD32
-SecurityAuthorizationExpired(
- OsTimerPtr timer,
- CARD32 time,
- pointer pval)
-{
- SecurityAuthorizationPtr pAuth = (SecurityAuthorizationPtr)pval;
-
- assert(pAuth->timer == timer);
-
- if (pAuth->secondsRemaining)
- {
- return SecurityComputeAuthorizationTimeout(pAuth,
- pAuth->secondsRemaining);
- }
- else
- {
- FreeResource(pAuth->id, RT_NONE);
- return 0;
- }
-} /* SecurityAuthorizationExpired */
-
-/* SecurityStartAuthorizationTimer
- *
- * Arguments:
- * pAuth is the authorization whose timer should be started.
- *
- * Returns: nothing.
- *
- * Side Effects:
- * A timer is started, set to expire after the timeout period for
- * this authorization. When it expires, the function
- * SecurityAuthorizationExpired will be called.
- */
-
-static void
-SecurityStartAuthorizationTimer(
- SecurityAuthorizationPtr pAuth)
-{
- pAuth->timer = TimerSet(pAuth->timer, 0,
- SecurityComputeAuthorizationTimeout(pAuth, pAuth->timeout),
- SecurityAuthorizationExpired, pAuth);
-} /* SecurityStartAuthorizationTimer */
-
-
-/* Proc functions all take a client argument, execute the request in
- * client->requestBuffer, and return a protocol error status.
- */
-
-static int
-ProcSecurityQueryVersion(
- ClientPtr client)
-{
- /* REQUEST(xSecurityQueryVersionReq); */
- xSecurityQueryVersionReply rep;
-
- REQUEST_SIZE_MATCH(xSecurityQueryVersionReq);
- rep.type = X_Reply;
- rep.sequenceNumber = client->sequence;
- rep.length = 0;
- rep.majorVersion = SERVER_SECURITY_MAJOR_VERSION;
- rep.minorVersion = SERVER_SECURITY_MINOR_VERSION;
- if(client->swapped)
- {
- char n;
- swaps(&rep.sequenceNumber, n);
- swaps(&rep.majorVersion, n);
- swaps(&rep.minorVersion, n);
- }
- (void)WriteToClient(client, SIZEOF(xSecurityQueryVersionReply),
- (char *)&rep);
- return Success;
-} /* ProcSecurityQueryVersion */
-
-
-static int
-SecurityEventSelectForAuthorization(
- SecurityAuthorizationPtr pAuth,
- ClientPtr client,
- Mask mask)
-{
- OtherClients *pEventClient;
-
- for (pEventClient = pAuth->eventClients;
- pEventClient;
- pEventClient = pEventClient->next)
- {
- if (SameClient(pEventClient, client))
- {
- if (mask == 0)
- FreeResource(pEventClient->resource, RT_NONE);
- else
- pEventClient->mask = mask;
- return Success;
- }
- }
-
- pEventClient = malloc(sizeof(OtherClients));
- if (!pEventClient)
- return BadAlloc;
- pEventClient->mask = mask;
- pEventClient->resource = FakeClientID(client->index);
- pEventClient->next = pAuth->eventClients;
- if (!AddResource(pEventClient->resource, RTEventClient,
- (pointer)pAuth))
- {
- free(pEventClient);
- return BadAlloc;
- }
- pAuth->eventClients = pEventClient;
-
- return Success;
-} /* SecurityEventSelectForAuthorization */
-
-
-static int
-ProcSecurityGenerateAuthorization(
- ClientPtr client)
-{
- REQUEST(xSecurityGenerateAuthorizationReq);
- int len; /* request length in CARD32s*/
- Bool removeAuth = FALSE; /* if bailout, call RemoveAuthorization? */
- SecurityAuthorizationPtr pAuth = NULL; /* auth we are creating */
- int err; /* error to return from this function */
- XID authId; /* authorization ID assigned by os layer */
- xSecurityGenerateAuthorizationReply rep; /* reply struct */
- unsigned int trustLevel; /* trust level of new auth */
- XID group; /* group of new auth */
- CARD32 timeout; /* timeout of new auth */
- CARD32 *values; /* list of supplied attributes */
- char *protoname; /* auth proto name sent in request */
- char *protodata; /* auth proto data sent in request */
- unsigned int authdata_len; /* # bytes of generated auth data */
- char *pAuthdata; /* generated auth data */
- Mask eventMask; /* what events on this auth does client want */
-
- /* check request length */
-
- REQUEST_AT_LEAST_SIZE(xSecurityGenerateAuthorizationReq);
- len = bytes_to_int32(SIZEOF(xSecurityGenerateAuthorizationReq));
- len += bytes_to_int32(stuff->nbytesAuthProto);
- len += bytes_to_int32(stuff->nbytesAuthData);
- values = ((CARD32 *)stuff) + len;
- len += Ones(stuff->valueMask);
- if (client->req_len != len)
- return BadLength;
-
- /* check valuemask */
- if (stuff->valueMask & ~XSecurityAllAuthorizationAttributes)
- {
- client->errorValue = stuff->valueMask;
- return BadValue;
- }
-
- /* check timeout */
- timeout = 60;
- if (stuff->valueMask & XSecurityTimeout)
- {
- timeout = *values++;
- }
-
- /* check trustLevel */
- trustLevel = XSecurityClientUntrusted;
- if (stuff->valueMask & XSecurityTrustLevel)
- {
- trustLevel = *values++;
- if (trustLevel != XSecurityClientTrusted &&
- trustLevel != XSecurityClientUntrusted)
- {
- client->errorValue = trustLevel;
- return BadValue;
- }
- }
-
- /* check group */
- group = None;
- if (stuff->valueMask & XSecurityGroup)
- {
- group = *values++;
- if (SecurityValidateGroupCallback)
- {
- SecurityValidateGroupInfoRec vgi;
- vgi.group = group;
- vgi.valid = FALSE;
- CallCallbacks(&SecurityValidateGroupCallback, (pointer)&vgi);
-
- /* if nobody said they recognized it, it's an error */
-
- if (!vgi.valid)
- {
- client->errorValue = group;
- return BadValue;
- }
- }
- }
-
- /* check event mask */
- eventMask = 0;
- if (stuff->valueMask & XSecurityEventMask)
- {
- eventMask = *values++;
- if (eventMask & ~XSecurityAllEventMasks)
- {
- client->errorValue = eventMask;
- return BadValue;
- }
- }
-
- protoname = (char *)&stuff[1];
- protodata = protoname + bytes_to_int32(stuff->nbytesAuthProto);
-
- /* call os layer to generate the authorization */
-
- authId = GenerateAuthorization(stuff->nbytesAuthProto, protoname,
- stuff->nbytesAuthData, protodata,
- &authdata_len, &pAuthdata);
- if ((XID) ~0L == authId)
- {
- err = SecurityErrorBase + XSecurityBadAuthorizationProtocol;
- goto bailout;
- }
-
- /* now that we've added the auth, remember to remove it if we have to
- * abort the request for some reason (like allocation failure)
- */
- removeAuth = TRUE;
-
- /* associate additional information with this auth ID */
-
- pAuth = malloc(sizeof(SecurityAuthorizationRec));
- if (!pAuth)
- {
- err = BadAlloc;
- goto bailout;
- }
-
- /* fill in the auth fields */
-
- pAuth->id = authId;
- pAuth->timeout = timeout;
- pAuth->group = group;
- pAuth->trustLevel = trustLevel;
- pAuth->refcnt = 0; /* the auth was just created; nobody's using it yet */
- pAuth->secondsRemaining = 0;
- pAuth->timer = NULL;
- pAuth->eventClients = NULL;
-
- /* handle event selection */
- if (eventMask)
- {
- err = SecurityEventSelectForAuthorization(pAuth, client, eventMask);
- if (err != Success)
- goto bailout;
- }
-
- if (!AddResource(authId, SecurityAuthorizationResType, pAuth))
- {
- err = BadAlloc;
- goto bailout;
- }
-
- /* start the timer ticking */
-
- if (pAuth->timeout != 0)
- SecurityStartAuthorizationTimer(pAuth);
-
- /* tell client the auth id and data */
-
- rep.type = X_Reply;
- rep.length = bytes_to_int32(authdata_len);
- rep.sequenceNumber = client->sequence;
- rep.authId = authId;
- rep.dataLength = authdata_len;
-
- if (client->swapped)
- {
- char n;
- swapl(&rep.length, n);
- swaps(&rep.sequenceNumber, n);
- swapl(&rep.authId, n);
- swaps(&rep.dataLength, n);
- }
-
- WriteToClient(client, SIZEOF(xSecurityGenerateAuthorizationReply),
- (char *)&rep);
- WriteToClient(client, authdata_len, pAuthdata);
-
- SecurityAudit("client %d generated authorization %d trust %d timeout %d group %d events %d\n",
- client->index, pAuth->id, pAuth->trustLevel, pAuth->timeout,
- pAuth->group, eventMask);
-
- /* the request succeeded; don't call RemoveAuthorization or free pAuth */
- return Success;
-
-bailout:
- if (removeAuth)
- RemoveAuthorization(stuff->nbytesAuthProto, protoname,
- authdata_len, pAuthdata);
- free(pAuth);
- return err;
-
-} /* ProcSecurityGenerateAuthorization */
-
-static int
-ProcSecurityRevokeAuthorization(
- ClientPtr client)
-{
- REQUEST(xSecurityRevokeAuthorizationReq);
- SecurityAuthorizationPtr pAuth;
- int rc;
-
- REQUEST_SIZE_MATCH(xSecurityRevokeAuthorizationReq);
-
- rc = dixLookupResourceByType((pointer *)&pAuth, stuff->authId,
- SecurityAuthorizationResType, client,
- DixDestroyAccess);
- if (rc != Success)
- return rc;
-
- FreeResource(stuff->authId, RT_NONE);
- return Success;
-} /* ProcSecurityRevokeAuthorization */
-
-
-static int
-ProcSecurityDispatch(
- ClientPtr client)
-{
- REQUEST(xReq);
-
- switch (stuff->data)
- {
- case X_SecurityQueryVersion:
- return ProcSecurityQueryVersion(client);
- case X_SecurityGenerateAuthorization:
- return ProcSecurityGenerateAuthorization(client);
- case X_SecurityRevokeAuthorization:
- return ProcSecurityRevokeAuthorization(client);
- default:
- return BadRequest;
- }
-} /* ProcSecurityDispatch */
-
-static int
-SProcSecurityQueryVersion(
- ClientPtr client)
-{
- REQUEST(xSecurityQueryVersionReq);
- char n;
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH(xSecurityQueryVersionReq);
- swaps(&stuff->majorVersion, n);
- swaps(&stuff->minorVersion,n);
- return ProcSecurityQueryVersion(client);
-} /* SProcSecurityQueryVersion */
-
-
-static int
-SProcSecurityGenerateAuthorization(
- ClientPtr client)
-{
- REQUEST(xSecurityGenerateAuthorizationReq);
- char n;
- CARD32 *values;
- unsigned long nvalues;
- int values_offset;
-
- swaps(&stuff->length, n);
- REQUEST_AT_LEAST_SIZE(xSecurityGenerateAuthorizationReq);
- swaps(&stuff->nbytesAuthProto, n);
- swaps(&stuff->nbytesAuthData, n);
- swapl(&stuff->valueMask, n);
- values_offset = bytes_to_int32(stuff->nbytesAuthProto) +
- bytes_to_int32(stuff->nbytesAuthData);
- if (values_offset >
- stuff->length - bytes_to_int32(sz_xSecurityGenerateAuthorizationReq))
- return BadLength;
- values = (CARD32 *)(&stuff[1]) + values_offset;
- nvalues = (((CARD32 *)stuff) + stuff->length) - values;
- SwapLongs(values, nvalues);
- return ProcSecurityGenerateAuthorization(client);
-} /* SProcSecurityGenerateAuthorization */
-
-
-static int
-SProcSecurityRevokeAuthorization(
- ClientPtr client)
-{
- REQUEST(xSecurityRevokeAuthorizationReq);
- char n;
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH(xSecurityRevokeAuthorizationReq);
- swapl(&stuff->authId, n);
- return ProcSecurityRevokeAuthorization(client);
-} /* SProcSecurityRevokeAuthorization */
-
-
-static int
-SProcSecurityDispatch(
- ClientPtr client)
-{
- REQUEST(xReq);
-
- switch (stuff->data)
- {
- case X_SecurityQueryVersion:
- return SProcSecurityQueryVersion(client);
- case X_SecurityGenerateAuthorization:
- return SProcSecurityGenerateAuthorization(client);
- case X_SecurityRevokeAuthorization:
- return SProcSecurityRevokeAuthorization(client);
- default:
- return BadRequest;
- }
-} /* SProcSecurityDispatch */
-
-static void
-SwapSecurityAuthorizationRevokedEvent(
- xSecurityAuthorizationRevokedEvent *from,
- xSecurityAuthorizationRevokedEvent *to)
-{
- to->type = from->type;
- to->detail = from->detail;
- cpswaps(from->sequenceNumber, to->sequenceNumber);
- cpswapl(from->authId, to->authId);
-}
-
-/* SecurityCheckDeviceAccess
- *
- * Arguments:
- * client is the client attempting to access a device.
- * dev is the device being accessed.
- * fromRequest is TRUE if the device access is a direct result of
- * the client executing some request and FALSE if it is a
- * result of the server trying to send an event (e.g. KeymapNotify)
- * to the client.
- * Returns:
- * TRUE if the device access should be allowed, else FALSE.
- *
- * Side Effects:
- * An audit message is generated if access is denied.
- */
-
-static void
-SecurityDevice(CallbackListPtr *pcbl, pointer unused, pointer calldata)
-{
- XaceDeviceAccessRec *rec = calldata;
- SecurityStateRec *subj, *obj;
- Mask requested = rec->access_mode;
- Mask allowed = SecurityDeviceMask;
-
- subj = dixLookupPrivate(&rec->client->devPrivates, stateKey);
- obj = dixLookupPrivate(&serverClient->devPrivates, stateKey);
-
- if (rec->dev != inputInfo.keyboard)
- /* this extension only supports the core keyboard */
- allowed = requested;
-
- if (SecurityDoCheck(subj, obj, requested, allowed) != Success) {
- SecurityAudit("Security denied client %d keyboard access on request "
- "%s\n", rec->client->index,
- SecurityLookupRequestName(rec->client));
- rec->status = BadAccess;
- }
-}
-
-/* SecurityResource
- *
- * This function gets plugged into client->CheckAccess and is called from
- * SecurityLookupIDByType/Class to determine if the client can access the
- * resource.
- *
- * Arguments:
- * client is the client doing the resource access.
- * id is the resource id.
- * rtype is its type or class.
- * access_mode represents the intended use of the resource; see
- * resource.h.
- * res is a pointer to the resource structure for this resource.
- *
- * Returns:
- * If access is granted, the value of rval that was passed in, else FALSE.
- *
- * Side Effects:
- * Disallowed resource accesses are audited.
- */
-
-static void
-SecurityResource(CallbackListPtr *pcbl, pointer unused, pointer calldata)
-{
- XaceResourceAccessRec *rec = calldata;
- SecurityStateRec *subj, *obj;
- int cid = CLIENT_ID(rec->id);
- Mask requested = rec->access_mode;
- Mask allowed = SecurityResourceMask;
-
- subj = dixLookupPrivate(&rec->client->devPrivates, stateKey);
-
- /* disable background None for untrusted windows */
- if ((requested & DixCreateAccess) && (rec->rtype == RT_WINDOW))
- if (subj->haveState && subj->trustLevel != XSecurityClientTrusted)
- ((WindowPtr)rec->res)->forcedBG = TRUE;
-
- /* additional permissions for specific resource types */
- if (rec->rtype == RT_WINDOW)
- allowed |= SecurityWindowExtraMask;
-
- /* special checks for server-owned resources */
- if (cid == 0) {
- if (rec->rtype & RC_DRAWABLE)
- /* additional operations allowed on root windows */
- allowed |= SecurityRootWindowExtraMask;
-
- else if (rec->rtype == RT_COLORMAP)
- /* allow access to default colormaps */
- allowed = requested;
-
- else
- /* allow read access to other server-owned resources */
- allowed |= DixReadAccess;
- }
-
- if (clients[cid] != NULL) {
- obj = dixLookupPrivate(&clients[cid]->devPrivates, stateKey);
- if (SecurityDoCheck(subj, obj, requested, allowed) == Success)
- return;
- }
-
- SecurityAudit("Security: denied client %d access %x to resource 0x%x "
- "of client %d on request %s\n", rec->client->index,
- requested, rec->id, cid,
- SecurityLookupRequestName(rec->client));
- rec->status = BadAccess; /* deny access */
-}
-
-
-static void
-SecurityExtension(CallbackListPtr *pcbl, pointer unused, pointer calldata)
-{
- XaceExtAccessRec *rec = calldata;
- SecurityStateRec *subj;
- int i = 0;
-
- subj = dixLookupPrivate(&rec->client->devPrivates, stateKey);
-
- if (subj->haveState && subj->trustLevel == XSecurityClientTrusted)
- return;
-
- while (SecurityTrustedExtensions[i])
- if (!strcmp(SecurityTrustedExtensions[i++], rec->ext->name))
- return;
-
- SecurityAudit("Security: denied client %d access to extension "
- "%s on request %s\n",
- rec->client->index, rec->ext->name,
- SecurityLookupRequestName(rec->client));
- rec->status = BadAccess;
-}
-
-static void
-SecurityServer(CallbackListPtr *pcbl, pointer unused, pointer calldata)
-{
- XaceServerAccessRec *rec = calldata;
- SecurityStateRec *subj, *obj;
- Mask requested = rec->access_mode;
- Mask allowed = SecurityServerMask;
-
- subj = dixLookupPrivate(&rec->client->devPrivates, stateKey);
- obj = dixLookupPrivate(&serverClient->devPrivates, stateKey);
-
- if (SecurityDoCheck(subj, obj, requested, allowed) != Success) {
- SecurityAudit("Security: denied client %d access to server "
- "configuration request %s\n", rec->client->index,
- SecurityLookupRequestName(rec->client));
- rec->status = BadAccess;
- }
-}
-
-static void
-SecurityClient(CallbackListPtr *pcbl, pointer unused, pointer calldata)
-{
- XaceClientAccessRec *rec = calldata;
- SecurityStateRec *subj, *obj;
- Mask requested = rec->access_mode;
- Mask allowed = SecurityClientMask;
-
- subj = dixLookupPrivate(&rec->client->devPrivates, stateKey);
- obj = dixLookupPrivate(&rec->target->devPrivates, stateKey);
-
- if (SecurityDoCheck(subj, obj, requested, allowed) != Success) {
- SecurityAudit("Security: denied client %d access to client %d on "
- "request %s\n", rec->client->index, rec->target->index,
- SecurityLookupRequestName(rec->client));
- rec->status = BadAccess;
- }
-}
-
-static void
-SecurityProperty(CallbackListPtr *pcbl, pointer unused, pointer calldata)
-{
- XacePropertyAccessRec *rec = calldata;
- SecurityStateRec *subj, *obj;
- ATOM name = (*rec->ppProp)->propertyName;
- Mask requested = rec->access_mode;
- Mask allowed = SecurityResourceMask | DixReadAccess;
-
- subj = dixLookupPrivate(&rec->client->devPrivates, stateKey);
- obj = dixLookupPrivate(&wClient(rec->pWin)->devPrivates, stateKey);
-
- if (SecurityDoCheck(subj, obj, requested, allowed) != Success) {
- SecurityAudit("Security: denied client %d access to property %s "
- "(atom 0x%x) window 0x%x of client %d on request %s\n",
- rec->client->index, NameForAtom(name), name,
- rec->pWin->drawable.id, wClient(rec->pWin)->index,
- SecurityLookupRequestName(rec->client));
- rec->status = BadAccess;
- }
-}
-
-static void
-SecuritySend(CallbackListPtr *pcbl, pointer unused, pointer calldata)
-{
- XaceSendAccessRec *rec = calldata;
- SecurityStateRec *subj, *obj;
-
- if (rec->client) {
- int i;
-
- subj = dixLookupPrivate(&rec->client->devPrivates, stateKey);
- obj = dixLookupPrivate(&wClient(rec->pWin)->devPrivates, stateKey);
-
- if (SecurityDoCheck(subj, obj, DixSendAccess, 0) == Success)
- return;
-
- for (i = 0; i < rec->count; i++)
- if (rec->events[i].u.u.type != UnmapNotify &&
- rec->events[i].u.u.type != ConfigureRequest &&
- rec->events[i].u.u.type != ClientMessage) {
-
- SecurityAudit("Security: denied client %d from sending event "
- "of type %s to window 0x%x of client %d\n",
- rec->client->index,
- LookupEventName(rec->events[i].u.u.type),
- rec->pWin->drawable.id,
- wClient(rec->pWin)->index);
- rec->status = BadAccess;
- return;
- }
- }
-}
-
-static void
-SecurityReceive(CallbackListPtr *pcbl, pointer unused, pointer calldata)
-{
- XaceReceiveAccessRec *rec = calldata;
- SecurityStateRec *subj, *obj;
-
- subj = dixLookupPrivate(&rec->client->devPrivates, stateKey);
- obj = dixLookupPrivate(&wClient(rec->pWin)->devPrivates, stateKey);
-
- if (SecurityDoCheck(subj, obj, DixReceiveAccess, 0) == Success)
- return;
-
- SecurityAudit("Security: denied client %d from receiving an event "
- "sent to window 0x%x of client %d\n",
- rec->client->index, rec->pWin->drawable.id,
- wClient(rec->pWin)->index);
- rec->status = BadAccess;
-}
-
-/* SecurityClientStateCallback
- *
- * Arguments:
- * pcbl is &ClientStateCallback.
- * nullata is NULL.
- * calldata is a pointer to a NewClientInfoRec (include/dixstruct.h)
- * which contains information about client state changes.
- *
- * Returns: nothing.
- *
- * Side Effects:
- *
- * If a new client is connecting, its authorization ID is copied to
- * client->authID. If this is a generated authorization, its reference
- * count is bumped, its timer is cancelled if it was running, and its
- * trustlevel is copied to TRUSTLEVEL(client).
- *
- * If a client is disconnecting and the client was using a generated
- * authorization, the authorization's reference count is decremented, and
- * if it is now zero, the timer for this authorization is started.
- */
-
-static void
-SecurityClientState(CallbackListPtr *pcbl, pointer unused, pointer calldata)
-{
- NewClientInfoRec *pci = calldata;
- SecurityStateRec *state;
- SecurityAuthorizationPtr pAuth;
- int rc;
-
- state = dixLookupPrivate(&pci->client->devPrivates, stateKey);
-
- switch (pci->client->clientState) {
- case ClientStateInitial:
- state->trustLevel = XSecurityClientTrusted;
- state->authId = None;
- state->haveState = TRUE;
- break;
-
- case ClientStateRunning:
- state->authId = AuthorizationIDOfClient(pci->client);
- rc = dixLookupResourceByType((pointer *)&pAuth, state->authId,
- SecurityAuthorizationResType, serverClient,
- DixGetAttrAccess);
- if (rc == Success) {
- /* it is a generated authorization */
- pAuth->refcnt++;
- if (pAuth->refcnt == 1 && pAuth->timer)
- TimerCancel(pAuth->timer);
-
- state->trustLevel = pAuth->trustLevel;
- }
- break;
-
- case ClientStateGone:
- case ClientStateRetained:
- rc = dixLookupResourceByType((pointer *)&pAuth, state->authId,
- SecurityAuthorizationResType, serverClient,
- DixGetAttrAccess);
- if (rc == Success) {
- /* it is a generated authorization */
- pAuth->refcnt--;
- if (pAuth->refcnt == 0)
- SecurityStartAuthorizationTimer(pAuth);
- }
- break;
-
- default:
- break;
- }
-}
-
-/* SecurityResetProc
- *
- * Arguments:
- * extEntry is the extension information for the security extension.
- *
- * Returns: nothing.
- *
- * Side Effects:
- * Performs any cleanup needed by Security at server shutdown time.
- */
-
-static void
-SecurityResetProc(
- ExtensionEntry *extEntry)
-{
- /* Unregister callbacks */
- DeleteCallback(&ClientStateCallback, SecurityClientState, NULL);
-
- XaceDeleteCallback(XACE_EXT_DISPATCH, SecurityExtension, NULL);
- XaceDeleteCallback(XACE_RESOURCE_ACCESS, SecurityResource, NULL);
- XaceDeleteCallback(XACE_DEVICE_ACCESS, SecurityDevice, NULL);
- XaceDeleteCallback(XACE_PROPERTY_ACCESS, SecurityProperty, NULL);
- XaceDeleteCallback(XACE_SEND_ACCESS, SecuritySend, NULL);
- XaceDeleteCallback(XACE_RECEIVE_ACCESS, SecurityReceive, NULL);
- XaceDeleteCallback(XACE_CLIENT_ACCESS, SecurityClient, NULL);
- XaceDeleteCallback(XACE_EXT_ACCESS, SecurityExtension, NULL);
- XaceDeleteCallback(XACE_SERVER_ACCESS, SecurityServer, NULL);
-}
-
-
-/* SecurityExtensionInit
- *
- * Arguments: none.
- *
- * Returns: nothing.
- *
- * Side Effects:
- * Enables the Security extension if possible.
- */
-
-void
-SecurityExtensionInit(INITARGS)
-{
- ExtensionEntry *extEntry;
- int ret = TRUE;
-
- SecurityAuthorizationResType =
- CreateNewResourceType(SecurityDeleteAuthorization,
- "SecurityAuthorization");
-
- RTEventClient =
- CreateNewResourceType(SecurityDeleteAuthorizationEventClient,
- "SecurityEventClient");
-
- if (!SecurityAuthorizationResType || !RTEventClient)
- return;
-
- RTEventClient |= RC_NEVERRETAIN;
-
- /* Allocate the private storage */
- if (!dixRegisterPrivateKey(stateKey, PRIVATE_CLIENT, sizeof(SecurityStateRec)))
- FatalError("SecurityExtensionSetup: Can't allocate client private.\n");
-
- /* Register callbacks */
- ret &= AddCallback(&ClientStateCallback, SecurityClientState, NULL);
-
- ret &= XaceRegisterCallback(XACE_EXT_DISPATCH, SecurityExtension, NULL);
- ret &= XaceRegisterCallback(XACE_RESOURCE_ACCESS, SecurityResource, NULL);
- ret &= XaceRegisterCallback(XACE_DEVICE_ACCESS, SecurityDevice, NULL);
- ret &= XaceRegisterCallback(XACE_PROPERTY_ACCESS, SecurityProperty, NULL);
- ret &= XaceRegisterCallback(XACE_SEND_ACCESS, SecuritySend, NULL);
- ret &= XaceRegisterCallback(XACE_RECEIVE_ACCESS, SecurityReceive, NULL);
- ret &= XaceRegisterCallback(XACE_CLIENT_ACCESS, SecurityClient, NULL);
- ret &= XaceRegisterCallback(XACE_EXT_ACCESS, SecurityExtension, NULL);
- ret &= XaceRegisterCallback(XACE_SERVER_ACCESS, SecurityServer, NULL);
-
- if (!ret)
- FatalError("SecurityExtensionSetup: Failed to register callbacks\n");
-
- /* Add extension to server */
- extEntry = AddExtension(SECURITY_EXTENSION_NAME,
- XSecurityNumberEvents, XSecurityNumberErrors,
- ProcSecurityDispatch, SProcSecurityDispatch,
- SecurityResetProc, StandardMinorOpcode);
-
- SecurityErrorBase = extEntry->errorBase;
- SecurityEventBase = extEntry->eventBase;
-
- EventSwapVector[SecurityEventBase + XSecurityAuthorizationRevoked] =
- (EventSwapPtr)SwapSecurityAuthorizationRevokedEvent;
-
- SetResourceTypeErrorValue(SecurityAuthorizationResType, SecurityErrorBase + XSecurityBadAuthorization);
-
- /* Label objects that were created before we could register ourself */
- SecurityLabelInitial();
-}
+/*
+
+Copyright 1996, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+*/
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "scrnintstr.h"
+#include "inputstr.h"
+#include "windowstr.h"
+#include "propertyst.h"
+#include "colormapst.h"
+#include "privates.h"
+#include "registry.h"
+#include "xacestr.h"
+#include "securitysrv.h"
+#include <X11/extensions/securproto.h>
+#include "modinit.h"
+#include "protocol-versions.h"
+
+/* Extension stuff */
+static int SecurityErrorBase; /* first Security error number */
+static int SecurityEventBase; /* first Security event number */
+
+RESTYPE SecurityAuthorizationResType; /* resource type for authorizations */
+static RESTYPE RTEventClient;
+
+static CallbackListPtr SecurityValidateGroupCallback = NULL;
+
+/* Private state record */
+static DevPrivateKeyRec stateKeyRec;
+#define stateKey (&stateKeyRec)
+
+/* This is what we store as client security state */
+typedef struct {
+ int haveState;
+ unsigned int trustLevel;
+ XID authId;
+} SecurityStateRec;
+
+/* Extensions that untrusted clients shouldn't have access to */
+static char *SecurityTrustedExtensions[] = {
+ "XC-MISC",
+ "BIG-REQUESTS",
+ "XpExtension",
+ NULL
+};
+
+/*
+ * Access modes that untrusted clients are allowed on trusted objects.
+ */
+static const Mask SecurityResourceMask =
+ DixGetAttrAccess | DixReceiveAccess | DixListPropAccess |
+ DixGetPropAccess | DixListAccess;
+static const Mask SecurityWindowExtraMask = DixRemoveAccess;
+static const Mask SecurityRootWindowExtraMask =
+ DixReceiveAccess | DixSendAccess | DixAddAccess | DixRemoveAccess;
+static const Mask SecurityDeviceMask =
+ DixGetAttrAccess | DixReceiveAccess | DixGetFocusAccess |
+ DixGrabAccess | DixSetAttrAccess | DixUseAccess;
+static const Mask SecurityServerMask = DixGetAttrAccess | DixGrabAccess;
+static const Mask SecurityClientMask = DixGetAttrAccess;
+
+
+/* SecurityAudit
+ *
+ * Arguments:
+ * format is the formatting string to be used to interpret the
+ * remaining arguments.
+ *
+ * Returns: nothing.
+ *
+ * Side Effects:
+ * Writes the message to the log file if security logging is on.
+ */
+
+static void
+SecurityAudit(char *format, ...)
+{
+ va_list args;
+
+ if (auditTrailLevel < SECURITY_AUDIT_LEVEL)
+ return;
+ va_start(args, format);
+ VAuditF(format, args);
+ va_end(args);
+} /* SecurityAudit */
+
+/*
+ * Performs a Security permission check.
+ */
+static int
+SecurityDoCheck(SecurityStateRec *subj, SecurityStateRec *obj,
+ Mask requested, Mask allowed)
+{
+ if (!subj->haveState || !obj->haveState)
+ return Success;
+ if (subj->trustLevel == XSecurityClientTrusted)
+ return Success;
+ if (obj->trustLevel != XSecurityClientTrusted)
+ return Success;
+ if ((requested | allowed) == allowed)
+ return Success;
+
+ return BadAccess;
+}
+
+/*
+ * Labels initial server objects.
+ */
+static void
+SecurityLabelInitial(void)
+{
+ SecurityStateRec *state;
+
+ /* Do the serverClient */
+ state = dixLookupPrivate(&serverClient->devPrivates, stateKey);
+ state->trustLevel = XSecurityClientTrusted;
+ state->haveState = TRUE;
+}
+
+/*
+ * Looks up a request name
+ */
+static _X_INLINE const char *
+SecurityLookupRequestName(ClientPtr client)
+{
+ int major = ((xReq *)client->requestBuffer)->reqType;
+ int minor = MinorOpcodeOfRequest(client);
+ return LookupRequestName(major, minor);
+}
+
+
+/* SecurityDeleteAuthorization
+ *
+ * Arguments:
+ * value is the authorization to delete.
+ * id is its resource ID.
+ *
+ * Returns: Success.
+ *
+ * Side Effects:
+ * Frees everything associated with the authorization.
+ */
+
+static int
+SecurityDeleteAuthorization(
+ pointer value,
+ XID id)
+{
+ SecurityAuthorizationPtr pAuth = (SecurityAuthorizationPtr)value;
+ unsigned short name_len, data_len;
+ char *name, *data;
+ int status;
+ int i;
+ OtherClientsPtr pEventClient;
+
+ /* Remove the auth using the os layer auth manager */
+
+ status = AuthorizationFromID(pAuth->id, &name_len, &name,
+ &data_len, &data);
+ assert(status);
+ status = RemoveAuthorization(name_len, name, data_len, data);
+ assert(status);
+ (void)status;
+
+ /* free the auth timer if there is one */
+
+ if (pAuth->timer) TimerFree(pAuth->timer);
+
+ /* send revoke events */
+
+ while ((pEventClient = pAuth->eventClients))
+ {
+ /* send revocation event event */
+ xSecurityAuthorizationRevokedEvent are;
+ are.type = SecurityEventBase + XSecurityAuthorizationRevoked;
+ are.authId = pAuth->id;
+ WriteEventsToClient(rClient(pEventClient), 1, (xEvent *)&are);
+ FreeResource(pEventClient->resource, RT_NONE);
+ }
+
+ /* kill all clients using this auth */
+
+ for (i = 1; i<currentMaxClients; i++)
+ if (clients[i]) {
+ SecurityStateRec *state;
+ state = dixLookupPrivate(&clients[i]->devPrivates, stateKey);
+ if (state->haveState && state->authId == pAuth->id)
+ CloseDownClient(clients[i]);
+ }
+
+ SecurityAudit("revoked authorization ID %d\n", pAuth->id);
+ free(pAuth);
+ return Success;
+
+} /* SecurityDeleteAuthorization */
+
+
+/* resource delete function for RTEventClient */
+static int
+SecurityDeleteAuthorizationEventClient(
+ pointer value,
+ XID id)
+{
+ OtherClientsPtr pEventClient, prev = NULL;
+ SecurityAuthorizationPtr pAuth = (SecurityAuthorizationPtr)value;
+
+ for (pEventClient = pAuth->eventClients;
+ pEventClient;
+ pEventClient = pEventClient->next)
+ {
+ if (pEventClient->resource == id)
+ {
+ if (prev)
+ prev->next = pEventClient->next;
+ else
+ pAuth->eventClients = pEventClient->next;
+ free(pEventClient);
+ return Success;
+ }
+ prev = pEventClient;
+ }
+ /*NOTREACHED*/
+ return -1; /* make compiler happy */
+} /* SecurityDeleteAuthorizationEventClient */
+
+
+/* SecurityComputeAuthorizationTimeout
+ *
+ * Arguments:
+ * pAuth is the authorization for which we are computing the timeout
+ * seconds is the number of seconds we want to wait
+ *
+ * Returns:
+ * the number of milliseconds that the auth timer should be set to
+ *
+ * Side Effects:
+ * Sets pAuth->secondsRemaining to any "overflow" amount of time
+ * that didn't fit in 32 bits worth of milliseconds
+ */
+
+static CARD32
+SecurityComputeAuthorizationTimeout(
+ SecurityAuthorizationPtr pAuth,
+ unsigned int seconds)
+{
+ /* maxSecs is the number of full seconds that can be expressed in
+ * 32 bits worth of milliseconds
+ */
+ CARD32 maxSecs = (CARD32)(~0) / (CARD32)MILLI_PER_SECOND;
+
+ if (seconds > maxSecs)
+ { /* only come here if we want to wait more than 49 days */
+ pAuth->secondsRemaining = seconds - maxSecs;
+ return maxSecs * MILLI_PER_SECOND;
+ }
+ else
+ { /* by far the common case */
+ pAuth->secondsRemaining = 0;
+ return seconds * MILLI_PER_SECOND;
+ }
+} /* SecurityStartAuthorizationTimer */
+
+/* SecurityAuthorizationExpired
+ *
+ * This function is passed as an argument to TimerSet and gets called from
+ * the timer manager in the os layer when its time is up.
+ *
+ * Arguments:
+ * timer is the timer for this authorization.
+ * time is the current time.
+ * pval is the authorization whose time is up.
+ *
+ * Returns:
+ * A new time delay in milliseconds if the timer should wait some
+ * more, else zero.
+ *
+ * Side Effects:
+ * Frees the authorization resource if the timeout period is really
+ * over, otherwise recomputes pAuth->secondsRemaining.
+ */
+
+static CARD32
+SecurityAuthorizationExpired(
+ OsTimerPtr timer,
+ CARD32 time,
+ pointer pval)
+{
+ SecurityAuthorizationPtr pAuth = (SecurityAuthorizationPtr)pval;
+
+ assert(pAuth->timer == timer);
+
+ if (pAuth->secondsRemaining)
+ {
+ return SecurityComputeAuthorizationTimeout(pAuth,
+ pAuth->secondsRemaining);
+ }
+ else
+ {
+ FreeResource(pAuth->id, RT_NONE);
+ return 0;
+ }
+} /* SecurityAuthorizationExpired */
+
+/* SecurityStartAuthorizationTimer
+ *
+ * Arguments:
+ * pAuth is the authorization whose timer should be started.
+ *
+ * Returns: nothing.
+ *
+ * Side Effects:
+ * A timer is started, set to expire after the timeout period for
+ * this authorization. When it expires, the function
+ * SecurityAuthorizationExpired will be called.
+ */
+
+static void
+SecurityStartAuthorizationTimer(
+ SecurityAuthorizationPtr pAuth)
+{
+ pAuth->timer = TimerSet(pAuth->timer, 0,
+ SecurityComputeAuthorizationTimeout(pAuth, pAuth->timeout),
+ SecurityAuthorizationExpired, pAuth);
+} /* SecurityStartAuthorizationTimer */
+
+
+/* Proc functions all take a client argument, execute the request in
+ * client->requestBuffer, and return a protocol error status.
+ */
+
+static int
+ProcSecurityQueryVersion(
+ ClientPtr client)
+{
+ /* REQUEST(xSecurityQueryVersionReq); */
+ xSecurityQueryVersionReply rep;
+
+ REQUEST_SIZE_MATCH(xSecurityQueryVersionReq);
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.length = 0;
+ rep.majorVersion = SERVER_SECURITY_MAJOR_VERSION;
+ rep.minorVersion = SERVER_SECURITY_MINOR_VERSION;
+ if(client->swapped)
+ {
+ swaps(&rep.sequenceNumber);
+ swaps(&rep.majorVersion);
+ swaps(&rep.minorVersion);
+ }
+ (void)WriteToClient(client, SIZEOF(xSecurityQueryVersionReply),
+ (char *)&rep);
+ return Success;
+} /* ProcSecurityQueryVersion */
+
+
+static int
+SecurityEventSelectForAuthorization(
+ SecurityAuthorizationPtr pAuth,
+ ClientPtr client,
+ Mask mask)
+{
+ OtherClients *pEventClient;
+
+ for (pEventClient = pAuth->eventClients;
+ pEventClient;
+ pEventClient = pEventClient->next)
+ {
+ if (SameClient(pEventClient, client))
+ {
+ if (mask == 0)
+ FreeResource(pEventClient->resource, RT_NONE);
+ else
+ pEventClient->mask = mask;
+ return Success;
+ }
+ }
+
+ pEventClient = malloc(sizeof(OtherClients));
+ if (!pEventClient)
+ return BadAlloc;
+ pEventClient->mask = mask;
+ pEventClient->resource = FakeClientID(client->index);
+ pEventClient->next = pAuth->eventClients;
+ if (!AddResource(pEventClient->resource, RTEventClient,
+ (pointer)pAuth))
+ {
+ free(pEventClient);
+ return BadAlloc;
+ }
+ pAuth->eventClients = pEventClient;
+
+ return Success;
+} /* SecurityEventSelectForAuthorization */
+
+
+static int
+ProcSecurityGenerateAuthorization(
+ ClientPtr client)
+{
+ REQUEST(xSecurityGenerateAuthorizationReq);
+ int len; /* request length in CARD32s*/
+ Bool removeAuth = FALSE; /* if bailout, call RemoveAuthorization? */
+ SecurityAuthorizationPtr pAuth = NULL; /* auth we are creating */
+ int err; /* error to return from this function */
+ XID authId; /* authorization ID assigned by os layer */
+ xSecurityGenerateAuthorizationReply rep; /* reply struct */
+ unsigned int trustLevel; /* trust level of new auth */
+ XID group; /* group of new auth */
+ CARD32 timeout; /* timeout of new auth */
+ CARD32 *values; /* list of supplied attributes */
+ char *protoname; /* auth proto name sent in request */
+ char *protodata; /* auth proto data sent in request */
+ unsigned int authdata_len; /* # bytes of generated auth data */
+ char *pAuthdata; /* generated auth data */
+ Mask eventMask; /* what events on this auth does client want */
+
+ /* check request length */
+
+ REQUEST_AT_LEAST_SIZE(xSecurityGenerateAuthorizationReq);
+ len = bytes_to_int32(SIZEOF(xSecurityGenerateAuthorizationReq));
+ len += bytes_to_int32(stuff->nbytesAuthProto);
+ len += bytes_to_int32(stuff->nbytesAuthData);
+ values = ((CARD32 *)stuff) + len;
+ len += Ones(stuff->valueMask);
+ if (client->req_len != len)
+ return BadLength;
+
+ /* check valuemask */
+ if (stuff->valueMask & ~XSecurityAllAuthorizationAttributes)
+ {
+ client->errorValue = stuff->valueMask;
+ return BadValue;
+ }
+
+ /* check timeout */
+ timeout = 60;
+ if (stuff->valueMask & XSecurityTimeout)
+ {
+ timeout = *values++;
+ }
+
+ /* check trustLevel */
+ trustLevel = XSecurityClientUntrusted;
+ if (stuff->valueMask & XSecurityTrustLevel)
+ {
+ trustLevel = *values++;
+ if (trustLevel != XSecurityClientTrusted &&
+ trustLevel != XSecurityClientUntrusted)
+ {
+ client->errorValue = trustLevel;
+ return BadValue;
+ }
+ }
+
+ /* check group */
+ group = None;
+ if (stuff->valueMask & XSecurityGroup)
+ {
+ group = *values++;
+ if (SecurityValidateGroupCallback)
+ {
+ SecurityValidateGroupInfoRec vgi;
+ vgi.group = group;
+ vgi.valid = FALSE;
+ CallCallbacks(&SecurityValidateGroupCallback, (pointer)&vgi);
+
+ /* if nobody said they recognized it, it's an error */
+
+ if (!vgi.valid)
+ {
+ client->errorValue = group;
+ return BadValue;
+ }
+ }
+ }
+
+ /* check event mask */
+ eventMask = 0;
+ if (stuff->valueMask & XSecurityEventMask)
+ {
+ eventMask = *values++;
+ if (eventMask & ~XSecurityAllEventMasks)
+ {
+ client->errorValue = eventMask;
+ return BadValue;
+ }
+ }
+
+ protoname = (char *)&stuff[1];
+ protodata = protoname + bytes_to_int32(stuff->nbytesAuthProto);
+
+ /* call os layer to generate the authorization */
+
+ authId = GenerateAuthorization(stuff->nbytesAuthProto, protoname,
+ stuff->nbytesAuthData, protodata,
+ &authdata_len, &pAuthdata);
+ if ((XID) ~0L == authId)
+ {
+ err = SecurityErrorBase + XSecurityBadAuthorizationProtocol;
+ goto bailout;
+ }
+
+ /* now that we've added the auth, remember to remove it if we have to
+ * abort the request for some reason (like allocation failure)
+ */
+ removeAuth = TRUE;
+
+ /* associate additional information with this auth ID */
+
+ pAuth = malloc(sizeof(SecurityAuthorizationRec));
+ if (!pAuth)
+ {
+ err = BadAlloc;
+ goto bailout;
+ }
+
+ /* fill in the auth fields */
+
+ pAuth->id = authId;
+ pAuth->timeout = timeout;
+ pAuth->group = group;
+ pAuth->trustLevel = trustLevel;
+ pAuth->refcnt = 0; /* the auth was just created; nobody's using it yet */
+ pAuth->secondsRemaining = 0;
+ pAuth->timer = NULL;
+ pAuth->eventClients = NULL;
+
+ /* handle event selection */
+ if (eventMask)
+ {
+ err = SecurityEventSelectForAuthorization(pAuth, client, eventMask);
+ if (err != Success)
+ goto bailout;
+ }
+
+ if (!AddResource(authId, SecurityAuthorizationResType, pAuth))
+ {
+ err = BadAlloc;
+ goto bailout;
+ }
+
+ /* start the timer ticking */
+
+ if (pAuth->timeout != 0)
+ SecurityStartAuthorizationTimer(pAuth);
+
+ /* tell client the auth id and data */
+
+ rep.type = X_Reply;
+ rep.length = bytes_to_int32(authdata_len);
+ rep.sequenceNumber = client->sequence;
+ rep.authId = authId;
+ rep.dataLength = authdata_len;
+
+ if (client->swapped)
+ {
+ swapl(&rep.length);
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.authId);
+ swaps(&rep.dataLength);
+ }
+
+ WriteToClient(client, SIZEOF(xSecurityGenerateAuthorizationReply),
+ (char *)&rep);
+ WriteToClient(client, authdata_len, pAuthdata);
+
+ SecurityAudit("client %d generated authorization %d trust %d timeout %d group %d events %d\n",
+ client->index, pAuth->id, pAuth->trustLevel, pAuth->timeout,
+ pAuth->group, eventMask);
+
+ /* the request succeeded; don't call RemoveAuthorization or free pAuth */
+ return Success;
+
+bailout:
+ if (removeAuth)
+ RemoveAuthorization(stuff->nbytesAuthProto, protoname,
+ authdata_len, pAuthdata);
+ free(pAuth);
+ return err;
+
+} /* ProcSecurityGenerateAuthorization */
+
+static int
+ProcSecurityRevokeAuthorization(
+ ClientPtr client)
+{
+ REQUEST(xSecurityRevokeAuthorizationReq);
+ SecurityAuthorizationPtr pAuth;
+ int rc;
+
+ REQUEST_SIZE_MATCH(xSecurityRevokeAuthorizationReq);
+
+ rc = dixLookupResourceByType((pointer *)&pAuth, stuff->authId,
+ SecurityAuthorizationResType, client,
+ DixDestroyAccess);
+ if (rc != Success)
+ return rc;
+
+ FreeResource(stuff->authId, RT_NONE);
+ return Success;
+} /* ProcSecurityRevokeAuthorization */
+
+
+static int
+ProcSecurityDispatch(
+ ClientPtr client)
+{
+ REQUEST(xReq);
+
+ switch (stuff->data)
+ {
+ case X_SecurityQueryVersion:
+ return ProcSecurityQueryVersion(client);
+ case X_SecurityGenerateAuthorization:
+ return ProcSecurityGenerateAuthorization(client);
+ case X_SecurityRevokeAuthorization:
+ return ProcSecurityRevokeAuthorization(client);
+ default:
+ return BadRequest;
+ }
+} /* ProcSecurityDispatch */
+
+static int
+SProcSecurityQueryVersion(
+ ClientPtr client)
+{
+ REQUEST(xSecurityQueryVersionReq);
+
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xSecurityQueryVersionReq);
+ swaps(&stuff->majorVersion);
+ swaps(&stuff->minorVersion);
+ return ProcSecurityQueryVersion(client);
+} /* SProcSecurityQueryVersion */
+
+
+static int
+SProcSecurityGenerateAuthorization(
+ ClientPtr client)
+{
+ REQUEST(xSecurityGenerateAuthorizationReq);
+ CARD32 *values;
+ unsigned long nvalues;
+ int values_offset;
+
+ swaps(&stuff->length);
+ REQUEST_AT_LEAST_SIZE(xSecurityGenerateAuthorizationReq);
+ swaps(&stuff->nbytesAuthProto);
+ swaps(&stuff->nbytesAuthData);
+ swapl(&stuff->valueMask);
+ values_offset = bytes_to_int32(stuff->nbytesAuthProto) +
+ bytes_to_int32(stuff->nbytesAuthData);
+ if (values_offset >
+ stuff->length - bytes_to_int32(sz_xSecurityGenerateAuthorizationReq))
+ return BadLength;
+ values = (CARD32 *)(&stuff[1]) + values_offset;
+ nvalues = (((CARD32 *)stuff) + stuff->length) - values;
+ SwapLongs(values, nvalues);
+ return ProcSecurityGenerateAuthorization(client);
+} /* SProcSecurityGenerateAuthorization */
+
+
+static int
+SProcSecurityRevokeAuthorization(
+ ClientPtr client)
+{
+ REQUEST(xSecurityRevokeAuthorizationReq);
+
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xSecurityRevokeAuthorizationReq);
+ swapl(&stuff->authId);
+ return ProcSecurityRevokeAuthorization(client);
+} /* SProcSecurityRevokeAuthorization */
+
+
+static int
+SProcSecurityDispatch(
+ ClientPtr client)
+{
+ REQUEST(xReq);
+
+ switch (stuff->data)
+ {
+ case X_SecurityQueryVersion:
+ return SProcSecurityQueryVersion(client);
+ case X_SecurityGenerateAuthorization:
+ return SProcSecurityGenerateAuthorization(client);
+ case X_SecurityRevokeAuthorization:
+ return SProcSecurityRevokeAuthorization(client);
+ default:
+ return BadRequest;
+ }
+} /* SProcSecurityDispatch */
+
+static void
+SwapSecurityAuthorizationRevokedEvent(
+ xSecurityAuthorizationRevokedEvent *from,
+ xSecurityAuthorizationRevokedEvent *to)
+{
+ to->type = from->type;
+ to->detail = from->detail;
+ cpswaps(from->sequenceNumber, to->sequenceNumber);
+ cpswapl(from->authId, to->authId);
+}
+
+/* SecurityCheckDeviceAccess
+ *
+ * Arguments:
+ * client is the client attempting to access a device.
+ * dev is the device being accessed.
+ * fromRequest is TRUE if the device access is a direct result of
+ * the client executing some request and FALSE if it is a
+ * result of the server trying to send an event (e.g. KeymapNotify)
+ * to the client.
+ * Returns:
+ * TRUE if the device access should be allowed, else FALSE.
+ *
+ * Side Effects:
+ * An audit message is generated if access is denied.
+ */
+
+static void
+SecurityDevice(CallbackListPtr *pcbl, pointer unused, pointer calldata)
+{
+ XaceDeviceAccessRec *rec = calldata;
+ SecurityStateRec *subj, *obj;
+ Mask requested = rec->access_mode;
+ Mask allowed = SecurityDeviceMask;
+
+ subj = dixLookupPrivate(&rec->client->devPrivates, stateKey);
+ obj = dixLookupPrivate(&serverClient->devPrivates, stateKey);
+
+ if (rec->dev != inputInfo.keyboard)
+ /* this extension only supports the core keyboard */
+ allowed = requested;
+
+ if (SecurityDoCheck(subj, obj, requested, allowed) != Success) {
+ SecurityAudit("Security denied client %d keyboard access on request "
+ "%s\n", rec->client->index,
+ SecurityLookupRequestName(rec->client));
+ rec->status = BadAccess;
+ }
+}
+
+/* SecurityResource
+ *
+ * This function gets plugged into client->CheckAccess and is called from
+ * SecurityLookupIDByType/Class to determine if the client can access the
+ * resource.
+ *
+ * Arguments:
+ * client is the client doing the resource access.
+ * id is the resource id.
+ * rtype is its type or class.
+ * access_mode represents the intended use of the resource; see
+ * resource.h.
+ * res is a pointer to the resource structure for this resource.
+ *
+ * Returns:
+ * If access is granted, the value of rval that was passed in, else FALSE.
+ *
+ * Side Effects:
+ * Disallowed resource accesses are audited.
+ */
+
+static void
+SecurityResource(CallbackListPtr *pcbl, pointer unused, pointer calldata)
+{
+ XaceResourceAccessRec *rec = calldata;
+ SecurityStateRec *subj, *obj;
+ int cid = CLIENT_ID(rec->id);
+ Mask requested = rec->access_mode;
+ Mask allowed = SecurityResourceMask;
+
+ subj = dixLookupPrivate(&rec->client->devPrivates, stateKey);
+
+ /* disable background None for untrusted windows */
+ if ((requested & DixCreateAccess) && (rec->rtype == RT_WINDOW))
+ if (subj->haveState && subj->trustLevel != XSecurityClientTrusted)
+ ((WindowPtr)rec->res)->forcedBG = TRUE;
+
+ /* additional permissions for specific resource types */
+ if (rec->rtype == RT_WINDOW)
+ allowed |= SecurityWindowExtraMask;
+
+ /* special checks for server-owned resources */
+ if (cid == 0) {
+ if (rec->rtype & RC_DRAWABLE)
+ /* additional operations allowed on root windows */
+ allowed |= SecurityRootWindowExtraMask;
+
+ else if (rec->rtype == RT_COLORMAP)
+ /* allow access to default colormaps */
+ allowed = requested;
+
+ else
+ /* allow read access to other server-owned resources */
+ allowed |= DixReadAccess;
+ }
+
+ if (clients[cid] != NULL) {
+ obj = dixLookupPrivate(&clients[cid]->devPrivates, stateKey);
+ if (SecurityDoCheck(subj, obj, requested, allowed) == Success)
+ return;
+ }
+
+ SecurityAudit("Security: denied client %d access %x to resource 0x%x "
+ "of client %d on request %s\n", rec->client->index,
+ requested, rec->id, cid,
+ SecurityLookupRequestName(rec->client));
+ rec->status = BadAccess; /* deny access */
+}
+
+
+static void
+SecurityExtension(CallbackListPtr *pcbl, pointer unused, pointer calldata)
+{
+ XaceExtAccessRec *rec = calldata;
+ SecurityStateRec *subj;
+ int i = 0;
+
+ subj = dixLookupPrivate(&rec->client->devPrivates, stateKey);
+
+ if (subj->haveState && subj->trustLevel == XSecurityClientTrusted)
+ return;
+
+ while (SecurityTrustedExtensions[i])
+ if (!strcmp(SecurityTrustedExtensions[i++], rec->ext->name))
+ return;
+
+ SecurityAudit("Security: denied client %d access to extension "
+ "%s on request %s\n",
+ rec->client->index, rec->ext->name,
+ SecurityLookupRequestName(rec->client));
+ rec->status = BadAccess;
+}
+
+static void
+SecurityServer(CallbackListPtr *pcbl, pointer unused, pointer calldata)
+{
+ XaceServerAccessRec *rec = calldata;
+ SecurityStateRec *subj, *obj;
+ Mask requested = rec->access_mode;
+ Mask allowed = SecurityServerMask;
+
+ subj = dixLookupPrivate(&rec->client->devPrivates, stateKey);
+ obj = dixLookupPrivate(&serverClient->devPrivates, stateKey);
+
+ if (SecurityDoCheck(subj, obj, requested, allowed) != Success) {
+ SecurityAudit("Security: denied client %d access to server "
+ "configuration request %s\n", rec->client->index,
+ SecurityLookupRequestName(rec->client));
+ rec->status = BadAccess;
+ }
+}
+
+static void
+SecurityClient(CallbackListPtr *pcbl, pointer unused, pointer calldata)
+{
+ XaceClientAccessRec *rec = calldata;
+ SecurityStateRec *subj, *obj;
+ Mask requested = rec->access_mode;
+ Mask allowed = SecurityClientMask;
+
+ subj = dixLookupPrivate(&rec->client->devPrivates, stateKey);
+ obj = dixLookupPrivate(&rec->target->devPrivates, stateKey);
+
+ if (SecurityDoCheck(subj, obj, requested, allowed) != Success) {
+ SecurityAudit("Security: denied client %d access to client %d on "
+ "request %s\n", rec->client->index, rec->target->index,
+ SecurityLookupRequestName(rec->client));
+ rec->status = BadAccess;
+ }
+}
+
+static void
+SecurityProperty(CallbackListPtr *pcbl, pointer unused, pointer calldata)
+{
+ XacePropertyAccessRec *rec = calldata;
+ SecurityStateRec *subj, *obj;
+ ATOM name = (*rec->ppProp)->propertyName;
+ Mask requested = rec->access_mode;
+ Mask allowed = SecurityResourceMask | DixReadAccess;
+
+ subj = dixLookupPrivate(&rec->client->devPrivates, stateKey);
+ obj = dixLookupPrivate(&wClient(rec->pWin)->devPrivates, stateKey);
+
+ if (SecurityDoCheck(subj, obj, requested, allowed) != Success) {
+ SecurityAudit("Security: denied client %d access to property %s "
+ "(atom 0x%x) window 0x%x of client %d on request %s\n",
+ rec->client->index, NameForAtom(name), name,
+ rec->pWin->drawable.id, wClient(rec->pWin)->index,
+ SecurityLookupRequestName(rec->client));
+ rec->status = BadAccess;
+ }
+}
+
+static void
+SecuritySend(CallbackListPtr *pcbl, pointer unused, pointer calldata)
+{
+ XaceSendAccessRec *rec = calldata;
+ SecurityStateRec *subj, *obj;
+
+ if (rec->client) {
+ int i;
+
+ subj = dixLookupPrivate(&rec->client->devPrivates, stateKey);
+ obj = dixLookupPrivate(&wClient(rec->pWin)->devPrivates, stateKey);
+
+ if (SecurityDoCheck(subj, obj, DixSendAccess, 0) == Success)
+ return;
+
+ for (i = 0; i < rec->count; i++)
+ if (rec->events[i].u.u.type != UnmapNotify &&
+ rec->events[i].u.u.type != ConfigureRequest &&
+ rec->events[i].u.u.type != ClientMessage) {
+
+ SecurityAudit("Security: denied client %d from sending event "
+ "of type %s to window 0x%x of client %d\n",
+ rec->client->index,
+ LookupEventName(rec->events[i].u.u.type),
+ rec->pWin->drawable.id,
+ wClient(rec->pWin)->index);
+ rec->status = BadAccess;
+ return;
+ }
+ }
+}
+
+static void
+SecurityReceive(CallbackListPtr *pcbl, pointer unused, pointer calldata)
+{
+ XaceReceiveAccessRec *rec = calldata;
+ SecurityStateRec *subj, *obj;
+
+ subj = dixLookupPrivate(&rec->client->devPrivates, stateKey);
+ obj = dixLookupPrivate(&wClient(rec->pWin)->devPrivates, stateKey);
+
+ if (SecurityDoCheck(subj, obj, DixReceiveAccess, 0) == Success)
+ return;
+
+ SecurityAudit("Security: denied client %d from receiving an event "
+ "sent to window 0x%x of client %d\n",
+ rec->client->index, rec->pWin->drawable.id,
+ wClient(rec->pWin)->index);
+ rec->status = BadAccess;
+}
+
+/* SecurityClientStateCallback
+ *
+ * Arguments:
+ * pcbl is &ClientStateCallback.
+ * nullata is NULL.
+ * calldata is a pointer to a NewClientInfoRec (include/dixstruct.h)
+ * which contains information about client state changes.
+ *
+ * Returns: nothing.
+ *
+ * Side Effects:
+ *
+ * If a new client is connecting, its authorization ID is copied to
+ * client->authID. If this is a generated authorization, its reference
+ * count is bumped, its timer is cancelled if it was running, and its
+ * trustlevel is copied to TRUSTLEVEL(client).
+ *
+ * If a client is disconnecting and the client was using a generated
+ * authorization, the authorization's reference count is decremented, and
+ * if it is now zero, the timer for this authorization is started.
+ */
+
+static void
+SecurityClientState(CallbackListPtr *pcbl, pointer unused, pointer calldata)
+{
+ NewClientInfoRec *pci = calldata;
+ SecurityStateRec *state;
+ SecurityAuthorizationPtr pAuth;
+ int rc;
+
+ state = dixLookupPrivate(&pci->client->devPrivates, stateKey);
+
+ switch (pci->client->clientState) {
+ case ClientStateInitial:
+ state->trustLevel = XSecurityClientTrusted;
+ state->authId = None;
+ state->haveState = TRUE;
+ break;
+
+ case ClientStateRunning:
+ state->authId = AuthorizationIDOfClient(pci->client);
+ rc = dixLookupResourceByType((pointer *)&pAuth, state->authId,
+ SecurityAuthorizationResType, serverClient,
+ DixGetAttrAccess);
+ if (rc == Success) {
+ /* it is a generated authorization */
+ pAuth->refcnt++;
+ if (pAuth->refcnt == 1 && pAuth->timer)
+ TimerCancel(pAuth->timer);
+
+ state->trustLevel = pAuth->trustLevel;
+ }
+ break;
+
+ case ClientStateGone:
+ case ClientStateRetained:
+ rc = dixLookupResourceByType((pointer *)&pAuth, state->authId,
+ SecurityAuthorizationResType, serverClient,
+ DixGetAttrAccess);
+ if (rc == Success) {
+ /* it is a generated authorization */
+ pAuth->refcnt--;
+ if (pAuth->refcnt == 0)
+ SecurityStartAuthorizationTimer(pAuth);
+ }
+ break;
+
+ default:
+ break;
+ }
+}
+
+/* SecurityResetProc
+ *
+ * Arguments:
+ * extEntry is the extension information for the security extension.
+ *
+ * Returns: nothing.
+ *
+ * Side Effects:
+ * Performs any cleanup needed by Security at server shutdown time.
+ */
+
+static void
+SecurityResetProc(
+ ExtensionEntry *extEntry)
+{
+ /* Unregister callbacks */
+ DeleteCallback(&ClientStateCallback, SecurityClientState, NULL);
+
+ XaceDeleteCallback(XACE_EXT_DISPATCH, SecurityExtension, NULL);
+ XaceDeleteCallback(XACE_RESOURCE_ACCESS, SecurityResource, NULL);
+ XaceDeleteCallback(XACE_DEVICE_ACCESS, SecurityDevice, NULL);
+ XaceDeleteCallback(XACE_PROPERTY_ACCESS, SecurityProperty, NULL);
+ XaceDeleteCallback(XACE_SEND_ACCESS, SecuritySend, NULL);
+ XaceDeleteCallback(XACE_RECEIVE_ACCESS, SecurityReceive, NULL);
+ XaceDeleteCallback(XACE_CLIENT_ACCESS, SecurityClient, NULL);
+ XaceDeleteCallback(XACE_EXT_ACCESS, SecurityExtension, NULL);
+ XaceDeleteCallback(XACE_SERVER_ACCESS, SecurityServer, NULL);
+}
+
+
+/* SecurityExtensionInit
+ *
+ * Arguments: none.
+ *
+ * Returns: nothing.
+ *
+ * Side Effects:
+ * Enables the Security extension if possible.
+ */
+
+void
+SecurityExtensionInit(INITARGS)
+{
+ ExtensionEntry *extEntry;
+ int ret = TRUE;
+
+ SecurityAuthorizationResType =
+ CreateNewResourceType(SecurityDeleteAuthorization,
+ "SecurityAuthorization");
+
+ RTEventClient =
+ CreateNewResourceType(SecurityDeleteAuthorizationEventClient,
+ "SecurityEventClient");
+
+ if (!SecurityAuthorizationResType || !RTEventClient)
+ return;
+
+ RTEventClient |= RC_NEVERRETAIN;
+
+ /* Allocate the private storage */
+ if (!dixRegisterPrivateKey(stateKey, PRIVATE_CLIENT, sizeof(SecurityStateRec)))
+ FatalError("SecurityExtensionSetup: Can't allocate client private.\n");
+
+ /* Register callbacks */
+ ret &= AddCallback(&ClientStateCallback, SecurityClientState, NULL);
+
+ ret &= XaceRegisterCallback(XACE_EXT_DISPATCH, SecurityExtension, NULL);
+ ret &= XaceRegisterCallback(XACE_RESOURCE_ACCESS, SecurityResource, NULL);
+ ret &= XaceRegisterCallback(XACE_DEVICE_ACCESS, SecurityDevice, NULL);
+ ret &= XaceRegisterCallback(XACE_PROPERTY_ACCESS, SecurityProperty, NULL);
+ ret &= XaceRegisterCallback(XACE_SEND_ACCESS, SecuritySend, NULL);
+ ret &= XaceRegisterCallback(XACE_RECEIVE_ACCESS, SecurityReceive, NULL);
+ ret &= XaceRegisterCallback(XACE_CLIENT_ACCESS, SecurityClient, NULL);
+ ret &= XaceRegisterCallback(XACE_EXT_ACCESS, SecurityExtension, NULL);
+ ret &= XaceRegisterCallback(XACE_SERVER_ACCESS, SecurityServer, NULL);
+
+ if (!ret)
+ FatalError("SecurityExtensionSetup: Failed to register callbacks\n");
+
+ /* Add extension to server */
+ extEntry = AddExtension(SECURITY_EXTENSION_NAME,
+ XSecurityNumberEvents, XSecurityNumberErrors,
+ ProcSecurityDispatch, SProcSecurityDispatch,
+ SecurityResetProc, StandardMinorOpcode);
+
+ SecurityErrorBase = extEntry->errorBase;
+ SecurityEventBase = extEntry->eventBase;
+
+ EventSwapVector[SecurityEventBase + XSecurityAuthorizationRevoked] =
+ (EventSwapPtr)SwapSecurityAuthorizationRevokedEvent;
+
+ SetResourceTypeErrorValue(SecurityAuthorizationResType, SecurityErrorBase + XSecurityBadAuthorization);
+
+ /* Label objects that were created before we could register ourself */
+ SecurityLabelInitial();
+}
diff --git a/xorg-server/Xext/shape.c b/xorg-server/Xext/shape.c
index 79dc77635..cb2a0e0f6 100644
--- a/xorg-server/Xext/shape.c
+++ b/xorg-server/Xext/shape.c
@@ -1,1260 +1,1244 @@
-/************************************************************
-
-Copyright 1989, 1998 The Open Group
-
-Permission to use, copy, modify, distribute, and sell this software and its
-documentation for any purpose is hereby granted without fee, provided that
-the above copyright notice appear in all copies and that both that
-copyright notice and this permission notice appear in supporting
-documentation.
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
-AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of The Open Group shall not be
-used in advertising or otherwise to promote the sale, use or other dealings
-in this Software without prior written authorization from The Open Group.
-
-********************************************************/
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <stdlib.h>
-
-#include <X11/X.h>
-#include <X11/Xproto.h>
-#include "misc.h"
-#include "os.h"
-#include "windowstr.h"
-#include "scrnintstr.h"
-#include "pixmapstr.h"
-#include "extnsionst.h"
-#include "dixstruct.h"
-#include "resource.h"
-#include "opaque.h"
-#include <X11/extensions/shapeproto.h>
-#include "regionstr.h"
-#include "gcstruct.h"
-#include "modinit.h"
-#include "protocol-versions.h"
-
-typedef RegionPtr (*CreateDftPtr)(
- WindowPtr /* pWin */
- );
-
-static int ShapeFreeClient(
- pointer /* data */,
- XID /* id */
- );
-static int ShapeFreeEvents(
- pointer /* data */,
- XID /* id */
- );
-static void SShapeNotifyEvent(
- xShapeNotifyEvent * /* from */,
- xShapeNotifyEvent * /* to */
- );
-
-/* SendShapeNotify, CreateBoundingShape and CreateClipShape are used
- * externally by the Xfixes extension and are now defined in window.h
- */
-
-
-#ifdef PANORAMIX
-#include "panoramiX.h"
-#include "panoramiXsrv.h"
-#endif
-
-static int ShapeEventBase = 0;
-static RESTYPE ClientType, ShapeEventType; /* resource types for event masks */
-
-/*
- * each window has a list of clients requesting
- * ShapeNotify events. Each client has a resource
- * for each window it selects ShapeNotify input for,
- * this resource is used to delete the ShapeNotifyRec
- * entry from the per-window queue.
- */
-
-typedef struct _ShapeEvent *ShapeEventPtr;
-
-typedef struct _ShapeEvent {
- ShapeEventPtr next;
- ClientPtr client;
- WindowPtr window;
- XID clientResource;
-} ShapeEventRec;
-
-/****************
- * ShapeExtensionInit
- *
- * Called from InitExtensions in main() or from QueryExtension() if the
- * extension is dynamically loaded.
- *
- ****************/
-
-static int
-RegionOperate (
- ClientPtr client,
- WindowPtr pWin,
- int kind,
- RegionPtr *destRgnp,
- RegionPtr srcRgn,
- int op,
- int xoff, int yoff,
- CreateDftPtr create)
-{
- if (srcRgn && (xoff || yoff))
- RegionTranslate(srcRgn, xoff, yoff);
- if (!pWin->parent)
- {
- if (srcRgn)
- RegionDestroy(srcRgn);
- return Success;
- }
-
- /* May/30/2001:
- * The shape.PS specs say if src is None, existing shape is to be
- * removed (and so the op-code has no meaning in such removal);
- * see shape.PS, page 3, ShapeMask.
- */
- if (srcRgn == NULL) {
- if (*destRgnp != NULL) {
- RegionDestroy(*destRgnp);
- *destRgnp = 0;
- /* go on to remove shape and generate ShapeNotify */
- }
- else {
- /* May/30/2001:
- * The target currently has no shape in effect, so nothing to
- * do here. The specs say that ShapeNotify is generated whenever
- * the client region is "modified"; since no modification is done
- * here, we do not generate that event. The specs does not say
- * "it is an error to request removal when there is no shape in
- * effect", so we return good status.
- */
- return Success;
- }
- }
- else switch (op) {
- case ShapeSet:
- if (*destRgnp)
- RegionDestroy(*destRgnp);
- *destRgnp = srcRgn;
- srcRgn = 0;
- break;
- case ShapeUnion:
- if (*destRgnp)
- RegionUnion(*destRgnp, *destRgnp, srcRgn);
- break;
- case ShapeIntersect:
- if (*destRgnp)
- RegionIntersect(*destRgnp, *destRgnp, srcRgn);
- else {
- *destRgnp = srcRgn;
- srcRgn = 0;
- }
- break;
- case ShapeSubtract:
- if (!*destRgnp)
- *destRgnp = (*create)(pWin);
- RegionSubtract(*destRgnp, *destRgnp, srcRgn);
- break;
- case ShapeInvert:
- if (!*destRgnp)
- *destRgnp = RegionCreate((BoxPtr) 0, 0);
- else
- RegionSubtract(*destRgnp, srcRgn, *destRgnp);
- break;
- default:
- client->errorValue = op;
- return BadValue;
- }
- if (srcRgn)
- RegionDestroy(srcRgn);
- (*pWin->drawable.pScreen->SetShape) (pWin, kind);
- SendShapeNotify (pWin, kind);
- return Success;
-}
-
-RegionPtr
-CreateBoundingShape (WindowPtr pWin)
-{
- BoxRec extents;
-
- extents.x1 = -wBorderWidth (pWin);
- extents.y1 = -wBorderWidth (pWin);
- extents.x2 = pWin->drawable.width + wBorderWidth (pWin);
- extents.y2 = pWin->drawable.height + wBorderWidth (pWin);
- return RegionCreate(&extents, 1);
-}
-
-RegionPtr
-CreateClipShape (WindowPtr pWin)
-{
- BoxRec extents;
-
- extents.x1 = 0;
- extents.y1 = 0;
- extents.x2 = pWin->drawable.width;
- extents.y2 = pWin->drawable.height;
- return RegionCreate(&extents, 1);
-}
-
-static int
-ProcShapeQueryVersion (ClientPtr client)
-{
- xShapeQueryVersionReply rep;
- int n;
-
- REQUEST_SIZE_MATCH (xShapeQueryVersionReq);
- memset(&rep, 0, sizeof(xShapeQueryVersionReply));
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- rep.majorVersion = SERVER_SHAPE_MAJOR_VERSION;
- rep.minorVersion = SERVER_SHAPE_MINOR_VERSION;
- if (client->swapped) {
- swaps(&rep.sequenceNumber, n);
- swapl(&rep.length, n);
- swaps(&rep.majorVersion, n);
- swaps(&rep.minorVersion, n);
- }
- WriteToClient(client, sizeof (xShapeQueryVersionReply), (char *)&rep);
- return Success;
-}
-
-/*****************
- * ProcShapeRectangles
- *
- *****************/
-
-static int
-ProcShapeRectangles (ClientPtr client)
-{
- WindowPtr pWin;
- REQUEST(xShapeRectanglesReq);
- xRectangle *prects;
- int nrects, ctype, rc;
- RegionPtr srcRgn;
- RegionPtr *destRgn;
- CreateDftPtr createDefault;
-
- REQUEST_AT_LEAST_SIZE (xShapeRectanglesReq);
- UpdateCurrentTime();
- rc = dixLookupWindow(&pWin, stuff->dest, client, DixSetAttrAccess);
- if (rc != Success)
- return rc;
- switch (stuff->destKind) {
- case ShapeBounding:
- createDefault = CreateBoundingShape;
- break;
- case ShapeClip:
- createDefault = CreateClipShape;
- break;
- case ShapeInput:
- createDefault = CreateBoundingShape;
- break;
- default:
- client->errorValue = stuff->destKind;
- return BadValue;
- }
- if ((stuff->ordering != Unsorted) && (stuff->ordering != YSorted) &&
- (stuff->ordering != YXSorted) && (stuff->ordering != YXBanded))
- {
- client->errorValue = stuff->ordering;
- return BadValue;
- }
- nrects = ((stuff->length << 2) - sizeof(xShapeRectanglesReq));
- if (nrects & 4)
- return BadLength;
- nrects >>= 3;
- prects = (xRectangle *) &stuff[1];
- ctype = VerifyRectOrder(nrects, prects, (int)stuff->ordering);
- if (ctype < 0)
- return BadMatch;
- srcRgn = RegionFromRects(nrects, prects, ctype);
-
- if (!pWin->optional)
- MakeWindowOptional (pWin);
- switch (stuff->destKind) {
- case ShapeBounding:
- destRgn = &pWin->optional->boundingShape;
- break;
- case ShapeClip:
- destRgn = &pWin->optional->clipShape;
- break;
- case ShapeInput:
- destRgn = &pWin->optional->inputShape;
- break;
- default:
- return BadValue;
- }
-
- return RegionOperate (client, pWin, (int)stuff->destKind,
- destRgn, srcRgn, (int)stuff->op,
- stuff->xOff, stuff->yOff, createDefault);
-}
-
-#ifdef PANORAMIX
-static int
-ProcPanoramiXShapeRectangles(
- ClientPtr client)
-{
- REQUEST(xShapeRectanglesReq);
- PanoramiXRes *win;
- int j, result;
-
- REQUEST_AT_LEAST_SIZE (xShapeRectanglesReq);
-
- result = dixLookupResourceByType((pointer *)&win, stuff->dest, XRT_WINDOW,
- client, DixWriteAccess);
- if (result != Success)
- return result;
-
- FOR_NSCREENS(j) {
- stuff->dest = win->info[j].id;
- result = ProcShapeRectangles (client);
- if (result != Success) break;
- }
- return result;
-}
-#endif
-
-
-/**************
- * ProcShapeMask
- **************/
-
-
-static int
-ProcShapeMask (ClientPtr client)
-{
- WindowPtr pWin;
- ScreenPtr pScreen;
- REQUEST(xShapeMaskReq);
- RegionPtr srcRgn;
- RegionPtr *destRgn;
- PixmapPtr pPixmap;
- CreateDftPtr createDefault;
- int rc;
-
- REQUEST_SIZE_MATCH (xShapeMaskReq);
- UpdateCurrentTime();
- rc = dixLookupWindow(&pWin, stuff->dest, client, DixSetAttrAccess);
- if (rc != Success)
- return rc;
- switch (stuff->destKind) {
- case ShapeBounding:
- createDefault = CreateBoundingShape;
- break;
- case ShapeClip:
- createDefault = CreateClipShape;
- break;
- case ShapeInput:
- createDefault = CreateBoundingShape;
- break;
- default:
- client->errorValue = stuff->destKind;
- return BadValue;
- }
- pScreen = pWin->drawable.pScreen;
- if (stuff->src == None)
- srcRgn = 0;
- else {
- rc = dixLookupResourceByType((pointer *)&pPixmap, stuff->src, RT_PIXMAP,
- client, DixReadAccess);
- if (rc != Success)
- return rc;
- if (pPixmap->drawable.pScreen != pScreen ||
- pPixmap->drawable.depth != 1)
- return BadMatch;
- srcRgn = BitmapToRegion(pScreen, pPixmap);
- if (!srcRgn)
- return BadAlloc;
- }
-
- if (!pWin->optional)
- MakeWindowOptional (pWin);
- switch (stuff->destKind) {
- case ShapeBounding:
- destRgn = &pWin->optional->boundingShape;
- break;
- case ShapeClip:
- destRgn = &pWin->optional->clipShape;
- break;
- case ShapeInput:
- destRgn = &pWin->optional->inputShape;
- break;
- default:
- return BadValue;
- }
-
- return RegionOperate (client, pWin, (int)stuff->destKind,
- destRgn, srcRgn, (int)stuff->op,
- stuff->xOff, stuff->yOff, createDefault);
-}
-
-#ifdef PANORAMIX
-static int
-ProcPanoramiXShapeMask(
- ClientPtr client)
-{
- REQUEST(xShapeMaskReq);
- PanoramiXRes *win, *pmap;
- int j, result;
-
- REQUEST_SIZE_MATCH (xShapeMaskReq);
-
- result = dixLookupResourceByType((pointer *)&win, stuff->dest, XRT_WINDOW,
- client, DixWriteAccess);
- if (result != Success)
- return result;
-
- if(stuff->src != None) {
- result = dixLookupResourceByType((pointer *)&pmap, stuff->src,
- XRT_PIXMAP, client, DixReadAccess);
- if (result != Success)
- return result;
- } else
- pmap = NULL;
-
- FOR_NSCREENS(j) {
- stuff->dest = win->info[j].id;
- if(pmap)
- stuff->src = pmap->info[j].id;
- result = ProcShapeMask (client);
- if (result != Success) break;
- }
- return result;
-}
-#endif
-
-
-/************
- * ProcShapeCombine
- ************/
-
-static int
-ProcShapeCombine (ClientPtr client)
-{
- WindowPtr pSrcWin, pDestWin;
- REQUEST(xShapeCombineReq);
- RegionPtr srcRgn;
- RegionPtr *destRgn;
- CreateDftPtr createDefault;
- CreateDftPtr createSrc;
- RegionPtr tmp;
- int rc;
-
- REQUEST_SIZE_MATCH (xShapeCombineReq);
- UpdateCurrentTime();
- rc = dixLookupWindow(&pDestWin, stuff->dest, client, DixSetAttrAccess);
- if (rc != Success)
- return rc;
- if (!pDestWin->optional)
- MakeWindowOptional (pDestWin);
- switch (stuff->destKind) {
- case ShapeBounding:
- createDefault = CreateBoundingShape;
- break;
- case ShapeClip:
- createDefault = CreateClipShape;
- break;
- case ShapeInput:
- createDefault = CreateBoundingShape;
- break;
- default:
- client->errorValue = stuff->destKind;
- return BadValue;
- }
-
- rc = dixLookupWindow(&pSrcWin, stuff->src, client, DixGetAttrAccess);
- if (rc != Success)
- return rc;
- switch (stuff->srcKind) {
- case ShapeBounding:
- srcRgn = wBoundingShape (pSrcWin);
- createSrc = CreateBoundingShape;
- break;
- case ShapeClip:
- srcRgn = wClipShape (pSrcWin);
- createSrc = CreateClipShape;
- break;
- case ShapeInput:
- srcRgn = wInputShape (pSrcWin);
- createSrc = CreateBoundingShape;
- break;
- default:
- client->errorValue = stuff->srcKind;
- return BadValue;
- }
- if (pSrcWin->drawable.pScreen != pDestWin->drawable.pScreen)
- {
- return BadMatch;
- }
-
- if (srcRgn) {
- tmp = RegionCreate((BoxPtr) 0, 0);
- RegionCopy(tmp, srcRgn);
- srcRgn = tmp;
- } else
- srcRgn = (*createSrc) (pSrcWin);
-
- if (!pDestWin->optional)
- MakeWindowOptional (pDestWin);
- switch (stuff->destKind) {
- case ShapeBounding:
- destRgn = &pDestWin->optional->boundingShape;
- break;
- case ShapeClip:
- destRgn = &pDestWin->optional->clipShape;
- break;
- case ShapeInput:
- destRgn = &pDestWin->optional->inputShape;
- break;
- default:
- return BadValue;
- }
-
- return RegionOperate (client, pDestWin, (int)stuff->destKind,
- destRgn, srcRgn, (int)stuff->op,
- stuff->xOff, stuff->yOff, createDefault);
-}
-
-
-#ifdef PANORAMIX
-static int
-ProcPanoramiXShapeCombine(
- ClientPtr client)
-{
- REQUEST(xShapeCombineReq);
- PanoramiXRes *win, *win2;
- int j, result;
-
- REQUEST_AT_LEAST_SIZE (xShapeCombineReq);
-
- result = dixLookupResourceByType((pointer *)&win, stuff->dest, XRT_WINDOW,
- client, DixWriteAccess);
- if (result != Success)
- return result;
-
- result = dixLookupResourceByType((pointer *)&win2, stuff->src, XRT_WINDOW,
- client, DixReadAccess);
- if (result != Success)
- return result;
-
- FOR_NSCREENS(j) {
- stuff->dest = win->info[j].id;
- stuff->src = win2->info[j].id;
- result = ProcShapeCombine (client);
- if (result != Success) break;
- }
- return result;
-}
-#endif
-
-/*************
- * ProcShapeOffset
- *************/
-
-static int
-ProcShapeOffset (ClientPtr client)
-{
- WindowPtr pWin;
- REQUEST(xShapeOffsetReq);
- RegionPtr srcRgn;
- int rc;
-
- REQUEST_SIZE_MATCH (xShapeOffsetReq);
- UpdateCurrentTime();
- rc = dixLookupWindow(&pWin, stuff->dest, client, DixSetAttrAccess);
- if (rc != Success)
- return rc;
- switch (stuff->destKind) {
- case ShapeBounding:
- srcRgn = wBoundingShape (pWin);
- break;
- case ShapeClip:
- srcRgn = wClipShape(pWin);
- break;
- case ShapeInput:
- srcRgn = wInputShape (pWin);
- break;
- default:
- client->errorValue = stuff->destKind;
- return BadValue;
- }
- if (srcRgn)
- {
- RegionTranslate(srcRgn, stuff->xOff, stuff->yOff);
- (*pWin->drawable.pScreen->SetShape) (pWin, stuff->destKind);
- }
- SendShapeNotify (pWin, (int)stuff->destKind);
- return Success;
-}
-
-
-#ifdef PANORAMIX
-static int
-ProcPanoramiXShapeOffset(
- ClientPtr client)
-{
- REQUEST(xShapeOffsetReq);
- PanoramiXRes *win;
- int j, result;
-
- REQUEST_AT_LEAST_SIZE (xShapeOffsetReq);
-
- result = dixLookupResourceByType((pointer *)&win, stuff->dest, XRT_WINDOW,
- client, DixWriteAccess);
- if (result != Success)
- return result;
-
- FOR_NSCREENS(j) {
- stuff->dest = win->info[j].id;
- result = ProcShapeOffset (client);
- if(result != Success) break;
- }
- return result;
-}
-#endif
-
-
-static int
-ProcShapeQueryExtents (ClientPtr client)
-{
- REQUEST(xShapeQueryExtentsReq);
- WindowPtr pWin;
- xShapeQueryExtentsReply rep;
- BoxRec extents, *pExtents;
- int n, rc;
- RegionPtr region;
-
- REQUEST_SIZE_MATCH (xShapeQueryExtentsReq);
- rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
- if (rc != Success)
- return rc;
- memset(&rep, 0, sizeof(xShapeQueryExtentsReply));
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- rep.boundingShaped = (wBoundingShape(pWin) != 0);
- rep.clipShaped = (wClipShape(pWin) != 0);
- if ((region = wBoundingShape(pWin))) {
- /* this is done in two steps because of a compiler bug on SunOS 4.1.3 */
- pExtents = RegionExtents(region);
- extents = *pExtents;
- } else {
- extents.x1 = -wBorderWidth (pWin);
- extents.y1 = -wBorderWidth (pWin);
- extents.x2 = pWin->drawable.width + wBorderWidth (pWin);
- extents.y2 = pWin->drawable.height + wBorderWidth (pWin);
- }
- rep.xBoundingShape = extents.x1;
- rep.yBoundingShape = extents.y1;
- rep.widthBoundingShape = extents.x2 - extents.x1;
- rep.heightBoundingShape = extents.y2 - extents.y1;
- if ((region = wClipShape(pWin))) {
- /* this is done in two steps because of a compiler bug on SunOS 4.1.3 */
- pExtents = RegionExtents(region);
- extents = *pExtents;
- } else {
- extents.x1 = 0;
- extents.y1 = 0;
- extents.x2 = pWin->drawable.width;
- extents.y2 = pWin->drawable.height;
- }
- rep.xClipShape = extents.x1;
- rep.yClipShape = extents.y1;
- rep.widthClipShape = extents.x2 - extents.x1;
- rep.heightClipShape = extents.y2 - extents.y1;
- if (client->swapped) {
- swaps(&rep.sequenceNumber, n);
- swapl(&rep.length, n);
- swaps(&rep.xBoundingShape, n);
- swaps(&rep.yBoundingShape, n);
- swaps(&rep.widthBoundingShape, n);
- swaps(&rep.heightBoundingShape, n);
- swaps(&rep.xClipShape, n);
- swaps(&rep.yClipShape, n);
- swaps(&rep.widthClipShape, n);
- swaps(&rep.heightClipShape, n);
- }
- WriteToClient(client, sizeof (xShapeQueryExtentsReply), (char *)&rep);
- return Success;
-}
-
-/*ARGSUSED*/
-static int
-ShapeFreeClient (pointer data, XID id)
-{
- ShapeEventPtr pShapeEvent;
- WindowPtr pWin;
- ShapeEventPtr *pHead, pCur, pPrev;
- int rc;
-
- pShapeEvent = (ShapeEventPtr) data;
- pWin = pShapeEvent->window;
- rc = dixLookupResourceByType((pointer *)&pHead, pWin->drawable.id,
- ShapeEventType, serverClient, DixReadAccess);
- if (rc == Success) {
- pPrev = 0;
- for (pCur = *pHead; pCur && pCur != pShapeEvent; pCur=pCur->next)
- pPrev = pCur;
- if (pCur)
- {
- if (pPrev)
- pPrev->next = pShapeEvent->next;
- else
- *pHead = pShapeEvent->next;
- }
- }
- free((pointer) pShapeEvent);
- return 1;
-}
-
-/*ARGSUSED*/
-static int
-ShapeFreeEvents (pointer data, XID id)
-{
- ShapeEventPtr *pHead, pCur, pNext;
-
- pHead = (ShapeEventPtr *) data;
- for (pCur = *pHead; pCur; pCur = pNext) {
- pNext = pCur->next;
- FreeResource (pCur->clientResource, ClientType);
- free((pointer) pCur);
- }
- free((pointer) pHead);
- return 1;
-}
-
-static int
-ProcShapeSelectInput (ClientPtr client)
-{
- REQUEST(xShapeSelectInputReq);
- WindowPtr pWin;
- ShapeEventPtr pShapeEvent, pNewShapeEvent, *pHead;
- XID clientResource;
- int rc;
-
- REQUEST_SIZE_MATCH (xShapeSelectInputReq);
- rc = dixLookupWindow(&pWin, stuff->window, client, DixReceiveAccess);
- if (rc != Success)
- return rc;
- rc = dixLookupResourceByType((pointer *)&pHead, pWin->drawable.id,
- ShapeEventType, client, DixWriteAccess);
- if (rc != Success && rc != BadValue)
- return rc;
-
- switch (stuff->enable) {
- case xTrue:
- if (pHead) {
-
- /* check for existing entry. */
- for (pShapeEvent = *pHead;
- pShapeEvent;
- pShapeEvent = pShapeEvent->next)
- {
- if (pShapeEvent->client == client)
- return Success;
- }
- }
-
- /* build the entry */
- pNewShapeEvent = malloc(sizeof (ShapeEventRec));
- if (!pNewShapeEvent)
- return BadAlloc;
- pNewShapeEvent->next = 0;
- pNewShapeEvent->client = client;
- pNewShapeEvent->window = pWin;
- /*
- * add a resource that will be deleted when
- * the client goes away
- */
- clientResource = FakeClientID (client->index);
- pNewShapeEvent->clientResource = clientResource;
- if (!AddResource (clientResource, ClientType, (pointer)pNewShapeEvent))
- return BadAlloc;
- /*
- * create a resource to contain a pointer to the list
- * of clients selecting input. This must be indirect as
- * the list may be arbitrarily rearranged which cannot be
- * done through the resource database.
- */
- if (!pHead)
- {
- pHead = malloc(sizeof (ShapeEventPtr));
- if (!pHead ||
- !AddResource (pWin->drawable.id, ShapeEventType, (pointer)pHead))
- {
- FreeResource (clientResource, RT_NONE);
- return BadAlloc;
- }
- *pHead = 0;
- }
- pNewShapeEvent->next = *pHead;
- *pHead = pNewShapeEvent;
- break;
- case xFalse:
- /* delete the interest */
- if (pHead) {
- pNewShapeEvent = 0;
- for (pShapeEvent = *pHead; pShapeEvent; pShapeEvent = pShapeEvent->next) {
- if (pShapeEvent->client == client)
- break;
- pNewShapeEvent = pShapeEvent;
- }
- if (pShapeEvent) {
- FreeResource (pShapeEvent->clientResource, ClientType);
- if (pNewShapeEvent)
- pNewShapeEvent->next = pShapeEvent->next;
- else
- *pHead = pShapeEvent->next;
- free(pShapeEvent);
- }
- }
- break;
- default:
- client->errorValue = stuff->enable;
- return BadValue;
- }
- return Success;
-}
-
-/*
- * deliver the event
- */
-
-void
-SendShapeNotify (WindowPtr pWin, int which)
-{
- ShapeEventPtr *pHead, pShapeEvent;
- xShapeNotifyEvent se;
- BoxRec extents;
- RegionPtr region;
- BYTE shaped;
- int rc;
-
- rc = dixLookupResourceByType((pointer *)&pHead, pWin->drawable.id,
- ShapeEventType, serverClient, DixReadAccess);
- if (rc != Success)
- return;
- switch (which) {
- case ShapeBounding:
- region = wBoundingShape(pWin);
- if (region) {
- extents = *RegionExtents(region);
- shaped = xTrue;
- } else {
- extents.x1 = -wBorderWidth (pWin);
- extents.y1 = -wBorderWidth (pWin);
- extents.x2 = pWin->drawable.width + wBorderWidth (pWin);
- extents.y2 = pWin->drawable.height + wBorderWidth (pWin);
- shaped = xFalse;
- }
- break;
- case ShapeClip:
- region = wClipShape(pWin);
- if (region) {
- extents = *RegionExtents(region);
- shaped = xTrue;
- } else {
- extents.x1 = 0;
- extents.y1 = 0;
- extents.x2 = pWin->drawable.width;
- extents.y2 = pWin->drawable.height;
- shaped = xFalse;
- }
- break;
- case ShapeInput:
- region = wInputShape(pWin);
- if (region) {
- extents = *RegionExtents(region);
- shaped = xTrue;
- } else {
- extents.x1 = -wBorderWidth (pWin);
- extents.y1 = -wBorderWidth (pWin);
- extents.x2 = pWin->drawable.width + wBorderWidth (pWin);
- extents.y2 = pWin->drawable.height + wBorderWidth (pWin);
- shaped = xFalse;
- }
- break;
- default:
- return;
- }
- for (pShapeEvent = *pHead; pShapeEvent; pShapeEvent = pShapeEvent->next) {
- se.type = ShapeNotify + ShapeEventBase;
- se.kind = which;
- se.window = pWin->drawable.id;
- se.x = extents.x1;
- se.y = extents.y1;
- se.width = extents.x2 - extents.x1;
- se.height = extents.y2 - extents.y1;
- se.time = currentTime.milliseconds;
- se.shaped = shaped;
- WriteEventsToClient (pShapeEvent->client, 1, (xEvent *) &se);
- }
-}
-
-static int
-ProcShapeInputSelected (ClientPtr client)
-{
- REQUEST(xShapeInputSelectedReq);
- WindowPtr pWin;
- ShapeEventPtr pShapeEvent, *pHead;
- int enabled, rc;
- xShapeInputSelectedReply rep;
- int n;
-
- REQUEST_SIZE_MATCH (xShapeInputSelectedReq);
- rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
- if (rc != Success)
- return rc;
- rc = dixLookupResourceByType((pointer *)&pHead, pWin->drawable.id,
- ShapeEventType, client, DixReadAccess);
- if (rc != Success && rc != BadValue)
- return rc;
- enabled = xFalse;
- if (pHead) {
- for (pShapeEvent = *pHead;
- pShapeEvent;
- pShapeEvent = pShapeEvent->next)
- {
- if (pShapeEvent->client == client) {
- enabled = xTrue;
- break;
- }
- }
- }
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- rep.enabled = enabled;
- if (client->swapped) {
- swaps (&rep.sequenceNumber, n);
- swapl (&rep.length, n);
- }
- WriteToClient (client, sizeof (xShapeInputSelectedReply), (char *) &rep);
- return Success;
-}
-
-static int
-ProcShapeGetRectangles (ClientPtr client)
-{
- REQUEST(xShapeGetRectanglesReq);
- WindowPtr pWin;
- xShapeGetRectanglesReply rep;
- xRectangle *rects;
- int nrects, i, rc;
- RegionPtr region;
- int n;
-
- REQUEST_SIZE_MATCH(xShapeGetRectanglesReq);
- rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
- if (rc != Success)
- return rc;
- switch (stuff->kind) {
- case ShapeBounding:
- region = wBoundingShape(pWin);
- break;
- case ShapeClip:
- region = wClipShape(pWin);
- break;
- case ShapeInput:
- region = wInputShape (pWin);
- break;
- default:
- client->errorValue = stuff->kind;
- return BadValue;
- }
- if (!region) {
- nrects = 1;
- rects = malloc(sizeof (xRectangle));
- if (!rects)
- return BadAlloc;
- switch (stuff->kind) {
- case ShapeBounding:
- rects->x = - (int) wBorderWidth (pWin);
- rects->y = - (int) wBorderWidth (pWin);
- rects->width = pWin->drawable.width + wBorderWidth (pWin);
- rects->height = pWin->drawable.height + wBorderWidth (pWin);
- break;
- case ShapeClip:
- rects->x = 0;
- rects->y = 0;
- rects->width = pWin->drawable.width;
- rects->height = pWin->drawable.height;
- break;
- case ShapeInput:
- rects->x = - (int) wBorderWidth (pWin);
- rects->y = - (int) wBorderWidth (pWin);
- rects->width = pWin->drawable.width + wBorderWidth (pWin);
- rects->height = pWin->drawable.height + wBorderWidth (pWin);
- break;
- }
- } else {
- BoxPtr box;
- nrects = RegionNumRects(region);
- box = RegionRects(region);
- rects = malloc(nrects * sizeof (xRectangle));
- if (!rects && nrects)
- return BadAlloc;
- for (i = 0; i < nrects; i++, box++) {
- rects[i].x = box->x1;
- rects[i].y = box->y1;
- rects[i].width = box->x2 - box->x1;
- rects[i].height = box->y2 - box->y1;
- }
- }
- rep.type = X_Reply;
- rep.sequenceNumber = client->sequence;
- rep.length = bytes_to_int32(nrects * sizeof (xRectangle));
- rep.ordering = YXBanded;
- rep.nrects = nrects;
- if (client->swapped) {
- swaps (&rep.sequenceNumber, n);
- swapl (&rep.length, n);
- swapl (&rep.nrects, n);
- SwapShorts ((short *)rects, (unsigned long)nrects * 4);
- }
- WriteToClient (client, sizeof (rep), (char *) &rep);
- WriteToClient (client, nrects * sizeof (xRectangle), (char *) rects);
- free(rects);
- return Success;
-}
-
-static int
-ProcShapeDispatch (ClientPtr client)
-{
- REQUEST(xReq);
- switch (stuff->data) {
- case X_ShapeQueryVersion:
- return ProcShapeQueryVersion (client);
- case X_ShapeRectangles:
-#ifdef PANORAMIX
- if ( !noPanoramiXExtension )
- return ProcPanoramiXShapeRectangles (client);
- else
-#endif
- return ProcShapeRectangles (client);
- case X_ShapeMask:
-#ifdef PANORAMIX
- if ( !noPanoramiXExtension )
- return ProcPanoramiXShapeMask (client);
- else
-#endif
- return ProcShapeMask (client);
- case X_ShapeCombine:
-#ifdef PANORAMIX
- if ( !noPanoramiXExtension )
- return ProcPanoramiXShapeCombine (client);
- else
-#endif
- return ProcShapeCombine (client);
- case X_ShapeOffset:
-#ifdef PANORAMIX
- if ( !noPanoramiXExtension )
- return ProcPanoramiXShapeOffset (client);
- else
-#endif
- return ProcShapeOffset (client);
- case X_ShapeQueryExtents:
- return ProcShapeQueryExtents (client);
- case X_ShapeSelectInput:
- return ProcShapeSelectInput (client);
- case X_ShapeInputSelected:
- return ProcShapeInputSelected (client);
- case X_ShapeGetRectangles:
- return ProcShapeGetRectangles (client);
- default:
- return BadRequest;
- }
-}
-
-static void
-SShapeNotifyEvent(xShapeNotifyEvent *from, xShapeNotifyEvent *to)
-{
- to->type = from->type;
- to->kind = from->kind;
- cpswapl (from->window, to->window);
- cpswaps (from->sequenceNumber, to->sequenceNumber);
- cpswaps (from->x, to->x);
- cpswaps (from->y, to->y);
- cpswaps (from->width, to->width);
- cpswaps (from->height, to->height);
- cpswapl (from->time, to->time);
- to->shaped = from->shaped;
-}
-
-static int
-SProcShapeQueryVersion (ClientPtr client)
-{
- int n;
- REQUEST (xShapeQueryVersionReq);
-
- swaps (&stuff->length, n);
- return ProcShapeQueryVersion (client);
-}
-
-static int
-SProcShapeRectangles (ClientPtr client)
-{
- char n;
- REQUEST (xShapeRectanglesReq);
-
- swaps (&stuff->length, n);
- REQUEST_AT_LEAST_SIZE (xShapeRectanglesReq);
- swapl (&stuff->dest, n);
- swaps (&stuff->xOff, n);
- swaps (&stuff->yOff, n);
- SwapRestS(stuff);
- return ProcShapeRectangles (client);
-}
-
-static int
-SProcShapeMask (ClientPtr client)
-{
- char n;
- REQUEST (xShapeMaskReq);
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH (xShapeMaskReq);
- swapl (&stuff->dest, n);
- swaps (&stuff->xOff, n);
- swaps (&stuff->yOff, n);
- swapl (&stuff->src, n);
- return ProcShapeMask (client);
-}
-
-static int
-SProcShapeCombine (ClientPtr client)
-{
- char n;
- REQUEST (xShapeCombineReq);
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH (xShapeCombineReq);
- swapl (&stuff->dest, n);
- swaps (&stuff->xOff, n);
- swaps (&stuff->yOff, n);
- swapl (&stuff->src, n);
- return ProcShapeCombine (client);
-}
-
-static int
-SProcShapeOffset (ClientPtr client)
-{
- char n;
- REQUEST (xShapeOffsetReq);
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH (xShapeOffsetReq);
- swapl (&stuff->dest, n);
- swaps (&stuff->xOff, n);
- swaps (&stuff->yOff, n);
- return ProcShapeOffset (client);
-}
-
-static int
-SProcShapeQueryExtents (ClientPtr client)
-{
- char n;
- REQUEST (xShapeQueryExtentsReq);
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH (xShapeQueryExtentsReq);
- swapl (&stuff->window, n);
- return ProcShapeQueryExtents (client);
-}
-
-static int
-SProcShapeSelectInput (ClientPtr client)
-{
- char n;
- REQUEST (xShapeSelectInputReq);
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH (xShapeSelectInputReq);
- swapl (&stuff->window, n);
- return ProcShapeSelectInput (client);
-}
-
-static int
-SProcShapeInputSelected (ClientPtr client)
-{
- int n;
- REQUEST (xShapeInputSelectedReq);
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH (xShapeInputSelectedReq);
- swapl (&stuff->window, n);
- return ProcShapeInputSelected (client);
-}
-
-static int
-SProcShapeGetRectangles (ClientPtr client)
-{
- REQUEST(xShapeGetRectanglesReq);
- char n;
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH(xShapeGetRectanglesReq);
- swapl (&stuff->window, n);
- return ProcShapeGetRectangles (client);
-}
-
-static int
-SProcShapeDispatch (ClientPtr client)
-{
- REQUEST(xReq);
- switch (stuff->data) {
- case X_ShapeQueryVersion:
- return SProcShapeQueryVersion (client);
- case X_ShapeRectangles:
- return SProcShapeRectangles (client);
- case X_ShapeMask:
- return SProcShapeMask (client);
- case X_ShapeCombine:
- return SProcShapeCombine (client);
- case X_ShapeOffset:
- return SProcShapeOffset (client);
- case X_ShapeQueryExtents:
- return SProcShapeQueryExtents (client);
- case X_ShapeSelectInput:
- return SProcShapeSelectInput (client);
- case X_ShapeInputSelected:
- return SProcShapeInputSelected (client);
- case X_ShapeGetRectangles:
- return SProcShapeGetRectangles (client);
- default:
- return BadRequest;
- }
-}
-
-void
-ShapeExtensionInit(void)
-{
- ExtensionEntry *extEntry;
-
- ClientType = CreateNewResourceType(ShapeFreeClient, "ShapeClient");
- ShapeEventType = CreateNewResourceType(ShapeFreeEvents, "ShapeEvent");
- if (ClientType && ShapeEventType &&
- (extEntry = AddExtension(SHAPENAME, ShapeNumberEvents, 0,
- ProcShapeDispatch, SProcShapeDispatch,
- NULL, StandardMinorOpcode)))
- {
- ShapeEventBase = extEntry->eventBase;
- EventSwapVector[ShapeEventBase] = (EventSwapPtr) SShapeNotifyEvent;
- }
-}
+/************************************************************
+
+Copyright 1989, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+********************************************************/
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <stdlib.h>
+
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include "misc.h"
+#include "os.h"
+#include "windowstr.h"
+#include "scrnintstr.h"
+#include "pixmapstr.h"
+#include "extnsionst.h"
+#include "dixstruct.h"
+#include "resource.h"
+#include "opaque.h"
+#include <X11/extensions/shapeproto.h>
+#include "regionstr.h"
+#include "gcstruct.h"
+#include "modinit.h"
+#include "protocol-versions.h"
+
+typedef RegionPtr (*CreateDftPtr)(
+ WindowPtr /* pWin */
+ );
+
+static int ShapeFreeClient(
+ pointer /* data */,
+ XID /* id */
+ );
+static int ShapeFreeEvents(
+ pointer /* data */,
+ XID /* id */
+ );
+static void SShapeNotifyEvent(
+ xShapeNotifyEvent * /* from */,
+ xShapeNotifyEvent * /* to */
+ );
+
+/* SendShapeNotify, CreateBoundingShape and CreateClipShape are used
+ * externally by the Xfixes extension and are now defined in window.h
+ */
+
+
+#ifdef PANORAMIX
+#include "panoramiX.h"
+#include "panoramiXsrv.h"
+#endif
+
+static int ShapeEventBase = 0;
+static RESTYPE ClientType, ShapeEventType; /* resource types for event masks */
+
+/*
+ * each window has a list of clients requesting
+ * ShapeNotify events. Each client has a resource
+ * for each window it selects ShapeNotify input for,
+ * this resource is used to delete the ShapeNotifyRec
+ * entry from the per-window queue.
+ */
+
+typedef struct _ShapeEvent *ShapeEventPtr;
+
+typedef struct _ShapeEvent {
+ ShapeEventPtr next;
+ ClientPtr client;
+ WindowPtr window;
+ XID clientResource;
+} ShapeEventRec;
+
+/****************
+ * ShapeExtensionInit
+ *
+ * Called from InitExtensions in main() or from QueryExtension() if the
+ * extension is dynamically loaded.
+ *
+ ****************/
+
+static int
+RegionOperate (
+ ClientPtr client,
+ WindowPtr pWin,
+ int kind,
+ RegionPtr *destRgnp,
+ RegionPtr srcRgn,
+ int op,
+ int xoff, int yoff,
+ CreateDftPtr create)
+{
+ if (srcRgn && (xoff || yoff))
+ RegionTranslate(srcRgn, xoff, yoff);
+ if (!pWin->parent)
+ {
+ if (srcRgn)
+ RegionDestroy(srcRgn);
+ return Success;
+ }
+
+ /* May/30/2001:
+ * The shape.PS specs say if src is None, existing shape is to be
+ * removed (and so the op-code has no meaning in such removal);
+ * see shape.PS, page 3, ShapeMask.
+ */
+ if (srcRgn == NULL) {
+ if (*destRgnp != NULL) {
+ RegionDestroy(*destRgnp);
+ *destRgnp = 0;
+ /* go on to remove shape and generate ShapeNotify */
+ }
+ else {
+ /* May/30/2001:
+ * The target currently has no shape in effect, so nothing to
+ * do here. The specs say that ShapeNotify is generated whenever
+ * the client region is "modified"; since no modification is done
+ * here, we do not generate that event. The specs does not say
+ * "it is an error to request removal when there is no shape in
+ * effect", so we return good status.
+ */
+ return Success;
+ }
+ }
+ else switch (op) {
+ case ShapeSet:
+ if (*destRgnp)
+ RegionDestroy(*destRgnp);
+ *destRgnp = srcRgn;
+ srcRgn = 0;
+ break;
+ case ShapeUnion:
+ if (*destRgnp)
+ RegionUnion(*destRgnp, *destRgnp, srcRgn);
+ break;
+ case ShapeIntersect:
+ if (*destRgnp)
+ RegionIntersect(*destRgnp, *destRgnp, srcRgn);
+ else {
+ *destRgnp = srcRgn;
+ srcRgn = 0;
+ }
+ break;
+ case ShapeSubtract:
+ if (!*destRgnp)
+ *destRgnp = (*create)(pWin);
+ RegionSubtract(*destRgnp, *destRgnp, srcRgn);
+ break;
+ case ShapeInvert:
+ if (!*destRgnp)
+ *destRgnp = RegionCreate((BoxPtr) 0, 0);
+ else
+ RegionSubtract(*destRgnp, srcRgn, *destRgnp);
+ break;
+ default:
+ client->errorValue = op;
+ return BadValue;
+ }
+ if (srcRgn)
+ RegionDestroy(srcRgn);
+ (*pWin->drawable.pScreen->SetShape) (pWin, kind);
+ SendShapeNotify (pWin, kind);
+ return Success;
+}
+
+RegionPtr
+CreateBoundingShape (WindowPtr pWin)
+{
+ BoxRec extents;
+
+ extents.x1 = -wBorderWidth (pWin);
+ extents.y1 = -wBorderWidth (pWin);
+ extents.x2 = pWin->drawable.width + wBorderWidth (pWin);
+ extents.y2 = pWin->drawable.height + wBorderWidth (pWin);
+ return RegionCreate(&extents, 1);
+}
+
+RegionPtr
+CreateClipShape (WindowPtr pWin)
+{
+ BoxRec extents;
+
+ extents.x1 = 0;
+ extents.y1 = 0;
+ extents.x2 = pWin->drawable.width;
+ extents.y2 = pWin->drawable.height;
+ return RegionCreate(&extents, 1);
+}
+
+static int
+ProcShapeQueryVersion (ClientPtr client)
+{
+ xShapeQueryVersionReply rep;
+ REQUEST_SIZE_MATCH (xShapeQueryVersionReq);
+ memset(&rep, 0, sizeof(xShapeQueryVersionReply));
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.majorVersion = SERVER_SHAPE_MAJOR_VERSION;
+ rep.minorVersion = SERVER_SHAPE_MINOR_VERSION;
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ swaps(&rep.majorVersion);
+ swaps(&rep.minorVersion);
+ }
+ WriteToClient(client, sizeof (xShapeQueryVersionReply), (char *)&rep);
+ return Success;
+}
+
+/*****************
+ * ProcShapeRectangles
+ *
+ *****************/
+
+static int
+ProcShapeRectangles (ClientPtr client)
+{
+ WindowPtr pWin;
+ REQUEST(xShapeRectanglesReq);
+ xRectangle *prects;
+ int nrects, ctype, rc;
+ RegionPtr srcRgn;
+ RegionPtr *destRgn;
+ CreateDftPtr createDefault;
+
+ REQUEST_AT_LEAST_SIZE (xShapeRectanglesReq);
+ UpdateCurrentTime();
+ rc = dixLookupWindow(&pWin, stuff->dest, client, DixSetAttrAccess);
+ if (rc != Success)
+ return rc;
+ switch (stuff->destKind) {
+ case ShapeBounding:
+ createDefault = CreateBoundingShape;
+ break;
+ case ShapeClip:
+ createDefault = CreateClipShape;
+ break;
+ case ShapeInput:
+ createDefault = CreateBoundingShape;
+ break;
+ default:
+ client->errorValue = stuff->destKind;
+ return BadValue;
+ }
+ if ((stuff->ordering != Unsorted) && (stuff->ordering != YSorted) &&
+ (stuff->ordering != YXSorted) && (stuff->ordering != YXBanded))
+ {
+ client->errorValue = stuff->ordering;
+ return BadValue;
+ }
+ nrects = ((stuff->length << 2) - sizeof(xShapeRectanglesReq));
+ if (nrects & 4)
+ return BadLength;
+ nrects >>= 3;
+ prects = (xRectangle *) &stuff[1];
+ ctype = VerifyRectOrder(nrects, prects, (int)stuff->ordering);
+ if (ctype < 0)
+ return BadMatch;
+ srcRgn = RegionFromRects(nrects, prects, ctype);
+
+ if (!pWin->optional)
+ MakeWindowOptional (pWin);
+ switch (stuff->destKind) {
+ case ShapeBounding:
+ destRgn = &pWin->optional->boundingShape;
+ break;
+ case ShapeClip:
+ destRgn = &pWin->optional->clipShape;
+ break;
+ case ShapeInput:
+ destRgn = &pWin->optional->inputShape;
+ break;
+ default:
+ return BadValue;
+ }
+
+ return RegionOperate (client, pWin, (int)stuff->destKind,
+ destRgn, srcRgn, (int)stuff->op,
+ stuff->xOff, stuff->yOff, createDefault);
+}
+
+#ifdef PANORAMIX
+static int
+ProcPanoramiXShapeRectangles(
+ ClientPtr client)
+{
+ REQUEST(xShapeRectanglesReq);
+ PanoramiXRes *win;
+ int j, result;
+
+ REQUEST_AT_LEAST_SIZE (xShapeRectanglesReq);
+
+ result = dixLookupResourceByType((pointer *)&win, stuff->dest, XRT_WINDOW,
+ client, DixWriteAccess);
+ if (result != Success)
+ return result;
+
+ FOR_NSCREENS(j) {
+ stuff->dest = win->info[j].id;
+ result = ProcShapeRectangles (client);
+ if (result != Success) break;
+ }
+ return result;
+}
+#endif
+
+
+/**************
+ * ProcShapeMask
+ **************/
+
+
+static int
+ProcShapeMask (ClientPtr client)
+{
+ WindowPtr pWin;
+ ScreenPtr pScreen;
+ REQUEST(xShapeMaskReq);
+ RegionPtr srcRgn;
+ RegionPtr *destRgn;
+ PixmapPtr pPixmap;
+ CreateDftPtr createDefault;
+ int rc;
+
+ REQUEST_SIZE_MATCH (xShapeMaskReq);
+ UpdateCurrentTime();
+ rc = dixLookupWindow(&pWin, stuff->dest, client, DixSetAttrAccess);
+ if (rc != Success)
+ return rc;
+ switch (stuff->destKind) {
+ case ShapeBounding:
+ createDefault = CreateBoundingShape;
+ break;
+ case ShapeClip:
+ createDefault = CreateClipShape;
+ break;
+ case ShapeInput:
+ createDefault = CreateBoundingShape;
+ break;
+ default:
+ client->errorValue = stuff->destKind;
+ return BadValue;
+ }
+ pScreen = pWin->drawable.pScreen;
+ if (stuff->src == None)
+ srcRgn = 0;
+ else {
+ rc = dixLookupResourceByType((pointer *)&pPixmap, stuff->src, RT_PIXMAP,
+ client, DixReadAccess);
+ if (rc != Success)
+ return rc;
+ if (pPixmap->drawable.pScreen != pScreen ||
+ pPixmap->drawable.depth != 1)
+ return BadMatch;
+ srcRgn = BitmapToRegion(pScreen, pPixmap);
+ if (!srcRgn)
+ return BadAlloc;
+ }
+
+ if (!pWin->optional)
+ MakeWindowOptional (pWin);
+ switch (stuff->destKind) {
+ case ShapeBounding:
+ destRgn = &pWin->optional->boundingShape;
+ break;
+ case ShapeClip:
+ destRgn = &pWin->optional->clipShape;
+ break;
+ case ShapeInput:
+ destRgn = &pWin->optional->inputShape;
+ break;
+ default:
+ return BadValue;
+ }
+
+ return RegionOperate (client, pWin, (int)stuff->destKind,
+ destRgn, srcRgn, (int)stuff->op,
+ stuff->xOff, stuff->yOff, createDefault);
+}
+
+#ifdef PANORAMIX
+static int
+ProcPanoramiXShapeMask(
+ ClientPtr client)
+{
+ REQUEST(xShapeMaskReq);
+ PanoramiXRes *win, *pmap;
+ int j, result;
+
+ REQUEST_SIZE_MATCH (xShapeMaskReq);
+
+ result = dixLookupResourceByType((pointer *)&win, stuff->dest, XRT_WINDOW,
+ client, DixWriteAccess);
+ if (result != Success)
+ return result;
+
+ if(stuff->src != None) {
+ result = dixLookupResourceByType((pointer *)&pmap, stuff->src,
+ XRT_PIXMAP, client, DixReadAccess);
+ if (result != Success)
+ return result;
+ } else
+ pmap = NULL;
+
+ FOR_NSCREENS(j) {
+ stuff->dest = win->info[j].id;
+ if(pmap)
+ stuff->src = pmap->info[j].id;
+ result = ProcShapeMask (client);
+ if (result != Success) break;
+ }
+ return result;
+}
+#endif
+
+
+/************
+ * ProcShapeCombine
+ ************/
+
+static int
+ProcShapeCombine (ClientPtr client)
+{
+ WindowPtr pSrcWin, pDestWin;
+ REQUEST(xShapeCombineReq);
+ RegionPtr srcRgn;
+ RegionPtr *destRgn;
+ CreateDftPtr createDefault;
+ CreateDftPtr createSrc;
+ RegionPtr tmp;
+ int rc;
+
+ REQUEST_SIZE_MATCH (xShapeCombineReq);
+ UpdateCurrentTime();
+ rc = dixLookupWindow(&pDestWin, stuff->dest, client, DixSetAttrAccess);
+ if (rc != Success)
+ return rc;
+ if (!pDestWin->optional)
+ MakeWindowOptional (pDestWin);
+ switch (stuff->destKind) {
+ case ShapeBounding:
+ createDefault = CreateBoundingShape;
+ break;
+ case ShapeClip:
+ createDefault = CreateClipShape;
+ break;
+ case ShapeInput:
+ createDefault = CreateBoundingShape;
+ break;
+ default:
+ client->errorValue = stuff->destKind;
+ return BadValue;
+ }
+
+ rc = dixLookupWindow(&pSrcWin, stuff->src, client, DixGetAttrAccess);
+ if (rc != Success)
+ return rc;
+ switch (stuff->srcKind) {
+ case ShapeBounding:
+ srcRgn = wBoundingShape (pSrcWin);
+ createSrc = CreateBoundingShape;
+ break;
+ case ShapeClip:
+ srcRgn = wClipShape (pSrcWin);
+ createSrc = CreateClipShape;
+ break;
+ case ShapeInput:
+ srcRgn = wInputShape (pSrcWin);
+ createSrc = CreateBoundingShape;
+ break;
+ default:
+ client->errorValue = stuff->srcKind;
+ return BadValue;
+ }
+ if (pSrcWin->drawable.pScreen != pDestWin->drawable.pScreen)
+ {
+ return BadMatch;
+ }
+
+ if (srcRgn) {
+ tmp = RegionCreate((BoxPtr) 0, 0);
+ RegionCopy(tmp, srcRgn);
+ srcRgn = tmp;
+ } else
+ srcRgn = (*createSrc) (pSrcWin);
+
+ if (!pDestWin->optional)
+ MakeWindowOptional (pDestWin);
+ switch (stuff->destKind) {
+ case ShapeBounding:
+ destRgn = &pDestWin->optional->boundingShape;
+ break;
+ case ShapeClip:
+ destRgn = &pDestWin->optional->clipShape;
+ break;
+ case ShapeInput:
+ destRgn = &pDestWin->optional->inputShape;
+ break;
+ default:
+ return BadValue;
+ }
+
+ return RegionOperate (client, pDestWin, (int)stuff->destKind,
+ destRgn, srcRgn, (int)stuff->op,
+ stuff->xOff, stuff->yOff, createDefault);
+}
+
+
+#ifdef PANORAMIX
+static int
+ProcPanoramiXShapeCombine(
+ ClientPtr client)
+{
+ REQUEST(xShapeCombineReq);
+ PanoramiXRes *win, *win2;
+ int j, result;
+
+ REQUEST_AT_LEAST_SIZE (xShapeCombineReq);
+
+ result = dixLookupResourceByType((pointer *)&win, stuff->dest, XRT_WINDOW,
+ client, DixWriteAccess);
+ if (result != Success)
+ return result;
+
+ result = dixLookupResourceByType((pointer *)&win2, stuff->src, XRT_WINDOW,
+ client, DixReadAccess);
+ if (result != Success)
+ return result;
+
+ FOR_NSCREENS(j) {
+ stuff->dest = win->info[j].id;
+ stuff->src = win2->info[j].id;
+ result = ProcShapeCombine (client);
+ if (result != Success) break;
+ }
+ return result;
+}
+#endif
+
+/*************
+ * ProcShapeOffset
+ *************/
+
+static int
+ProcShapeOffset (ClientPtr client)
+{
+ WindowPtr pWin;
+ REQUEST(xShapeOffsetReq);
+ RegionPtr srcRgn;
+ int rc;
+
+ REQUEST_SIZE_MATCH (xShapeOffsetReq);
+ UpdateCurrentTime();
+ rc = dixLookupWindow(&pWin, stuff->dest, client, DixSetAttrAccess);
+ if (rc != Success)
+ return rc;
+ switch (stuff->destKind) {
+ case ShapeBounding:
+ srcRgn = wBoundingShape (pWin);
+ break;
+ case ShapeClip:
+ srcRgn = wClipShape(pWin);
+ break;
+ case ShapeInput:
+ srcRgn = wInputShape (pWin);
+ break;
+ default:
+ client->errorValue = stuff->destKind;
+ return BadValue;
+ }
+ if (srcRgn)
+ {
+ RegionTranslate(srcRgn, stuff->xOff, stuff->yOff);
+ (*pWin->drawable.pScreen->SetShape) (pWin, stuff->destKind);
+ }
+ SendShapeNotify (pWin, (int)stuff->destKind);
+ return Success;
+}
+
+
+#ifdef PANORAMIX
+static int
+ProcPanoramiXShapeOffset(
+ ClientPtr client)
+{
+ REQUEST(xShapeOffsetReq);
+ PanoramiXRes *win;
+ int j, result;
+
+ REQUEST_AT_LEAST_SIZE (xShapeOffsetReq);
+
+ result = dixLookupResourceByType((pointer *)&win, stuff->dest, XRT_WINDOW,
+ client, DixWriteAccess);
+ if (result != Success)
+ return result;
+
+ FOR_NSCREENS(j) {
+ stuff->dest = win->info[j].id;
+ result = ProcShapeOffset (client);
+ if(result != Success) break;
+ }
+ return result;
+}
+#endif
+
+
+static int
+ProcShapeQueryExtents (ClientPtr client)
+{
+ REQUEST(xShapeQueryExtentsReq);
+ WindowPtr pWin;
+ xShapeQueryExtentsReply rep;
+ BoxRec extents, *pExtents;
+ int rc;
+ RegionPtr region;
+
+ REQUEST_SIZE_MATCH (xShapeQueryExtentsReq);
+ rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
+ if (rc != Success)
+ return rc;
+ memset(&rep, 0, sizeof(xShapeQueryExtentsReply));
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.boundingShaped = (wBoundingShape(pWin) != 0);
+ rep.clipShaped = (wClipShape(pWin) != 0);
+ if ((region = wBoundingShape(pWin))) {
+ /* this is done in two steps because of a compiler bug on SunOS 4.1.3 */
+ pExtents = RegionExtents(region);
+ extents = *pExtents;
+ } else {
+ extents.x1 = -wBorderWidth (pWin);
+ extents.y1 = -wBorderWidth (pWin);
+ extents.x2 = pWin->drawable.width + wBorderWidth (pWin);
+ extents.y2 = pWin->drawable.height + wBorderWidth (pWin);
+ }
+ rep.xBoundingShape = extents.x1;
+ rep.yBoundingShape = extents.y1;
+ rep.widthBoundingShape = extents.x2 - extents.x1;
+ rep.heightBoundingShape = extents.y2 - extents.y1;
+ if ((region = wClipShape(pWin))) {
+ /* this is done in two steps because of a compiler bug on SunOS 4.1.3 */
+ pExtents = RegionExtents(region);
+ extents = *pExtents;
+ } else {
+ extents.x1 = 0;
+ extents.y1 = 0;
+ extents.x2 = pWin->drawable.width;
+ extents.y2 = pWin->drawable.height;
+ }
+ rep.xClipShape = extents.x1;
+ rep.yClipShape = extents.y1;
+ rep.widthClipShape = extents.x2 - extents.x1;
+ rep.heightClipShape = extents.y2 - extents.y1;
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ swaps(&rep.xBoundingShape);
+ swaps(&rep.yBoundingShape);
+ swaps(&rep.widthBoundingShape);
+ swaps(&rep.heightBoundingShape);
+ swaps(&rep.xClipShape);
+ swaps(&rep.yClipShape);
+ swaps(&rep.widthClipShape);
+ swaps(&rep.heightClipShape);
+ }
+ WriteToClient(client, sizeof (xShapeQueryExtentsReply), (char *)&rep);
+ return Success;
+}
+
+/*ARGSUSED*/
+static int
+ShapeFreeClient (pointer data, XID id)
+{
+ ShapeEventPtr pShapeEvent;
+ WindowPtr pWin;
+ ShapeEventPtr *pHead, pCur, pPrev;
+ int rc;
+
+ pShapeEvent = (ShapeEventPtr) data;
+ pWin = pShapeEvent->window;
+ rc = dixLookupResourceByType((pointer *)&pHead, pWin->drawable.id,
+ ShapeEventType, serverClient, DixReadAccess);
+ if (rc == Success) {
+ pPrev = 0;
+ for (pCur = *pHead; pCur && pCur != pShapeEvent; pCur=pCur->next)
+ pPrev = pCur;
+ if (pCur)
+ {
+ if (pPrev)
+ pPrev->next = pShapeEvent->next;
+ else
+ *pHead = pShapeEvent->next;
+ }
+ }
+ free((pointer) pShapeEvent);
+ return 1;
+}
+
+/*ARGSUSED*/
+static int
+ShapeFreeEvents (pointer data, XID id)
+{
+ ShapeEventPtr *pHead, pCur, pNext;
+
+ pHead = (ShapeEventPtr *) data;
+ for (pCur = *pHead; pCur; pCur = pNext) {
+ pNext = pCur->next;
+ FreeResource (pCur->clientResource, ClientType);
+ free((pointer) pCur);
+ }
+ free((pointer) pHead);
+ return 1;
+}
+
+static int
+ProcShapeSelectInput (ClientPtr client)
+{
+ REQUEST(xShapeSelectInputReq);
+ WindowPtr pWin;
+ ShapeEventPtr pShapeEvent, pNewShapeEvent, *pHead;
+ XID clientResource;
+ int rc;
+
+ REQUEST_SIZE_MATCH (xShapeSelectInputReq);
+ rc = dixLookupWindow(&pWin, stuff->window, client, DixReceiveAccess);
+ if (rc != Success)
+ return rc;
+ rc = dixLookupResourceByType((pointer *)&pHead, pWin->drawable.id,
+ ShapeEventType, client, DixWriteAccess);
+ if (rc != Success && rc != BadValue)
+ return rc;
+
+ switch (stuff->enable) {
+ case xTrue:
+ if (pHead) {
+
+ /* check for existing entry. */
+ for (pShapeEvent = *pHead;
+ pShapeEvent;
+ pShapeEvent = pShapeEvent->next)
+ {
+ if (pShapeEvent->client == client)
+ return Success;
+ }
+ }
+
+ /* build the entry */
+ pNewShapeEvent = malloc(sizeof (ShapeEventRec));
+ if (!pNewShapeEvent)
+ return BadAlloc;
+ pNewShapeEvent->next = 0;
+ pNewShapeEvent->client = client;
+ pNewShapeEvent->window = pWin;
+ /*
+ * add a resource that will be deleted when
+ * the client goes away
+ */
+ clientResource = FakeClientID (client->index);
+ pNewShapeEvent->clientResource = clientResource;
+ if (!AddResource (clientResource, ClientType, (pointer)pNewShapeEvent))
+ return BadAlloc;
+ /*
+ * create a resource to contain a pointer to the list
+ * of clients selecting input. This must be indirect as
+ * the list may be arbitrarily rearranged which cannot be
+ * done through the resource database.
+ */
+ if (!pHead)
+ {
+ pHead = malloc(sizeof (ShapeEventPtr));
+ if (!pHead ||
+ !AddResource (pWin->drawable.id, ShapeEventType, (pointer)pHead))
+ {
+ FreeResource (clientResource, RT_NONE);
+ return BadAlloc;
+ }
+ *pHead = 0;
+ }
+ pNewShapeEvent->next = *pHead;
+ *pHead = pNewShapeEvent;
+ break;
+ case xFalse:
+ /* delete the interest */
+ if (pHead) {
+ pNewShapeEvent = 0;
+ for (pShapeEvent = *pHead; pShapeEvent; pShapeEvent = pShapeEvent->next) {
+ if (pShapeEvent->client == client)
+ break;
+ pNewShapeEvent = pShapeEvent;
+ }
+ if (pShapeEvent) {
+ FreeResource (pShapeEvent->clientResource, ClientType);
+ if (pNewShapeEvent)
+ pNewShapeEvent->next = pShapeEvent->next;
+ else
+ *pHead = pShapeEvent->next;
+ free(pShapeEvent);
+ }
+ }
+ break;
+ default:
+ client->errorValue = stuff->enable;
+ return BadValue;
+ }
+ return Success;
+}
+
+/*
+ * deliver the event
+ */
+
+void
+SendShapeNotify (WindowPtr pWin, int which)
+{
+ ShapeEventPtr *pHead, pShapeEvent;
+ xShapeNotifyEvent se;
+ BoxRec extents;
+ RegionPtr region;
+ BYTE shaped;
+ int rc;
+
+ rc = dixLookupResourceByType((pointer *)&pHead, pWin->drawable.id,
+ ShapeEventType, serverClient, DixReadAccess);
+ if (rc != Success)
+ return;
+ switch (which) {
+ case ShapeBounding:
+ region = wBoundingShape(pWin);
+ if (region) {
+ extents = *RegionExtents(region);
+ shaped = xTrue;
+ } else {
+ extents.x1 = -wBorderWidth (pWin);
+ extents.y1 = -wBorderWidth (pWin);
+ extents.x2 = pWin->drawable.width + wBorderWidth (pWin);
+ extents.y2 = pWin->drawable.height + wBorderWidth (pWin);
+ shaped = xFalse;
+ }
+ break;
+ case ShapeClip:
+ region = wClipShape(pWin);
+ if (region) {
+ extents = *RegionExtents(region);
+ shaped = xTrue;
+ } else {
+ extents.x1 = 0;
+ extents.y1 = 0;
+ extents.x2 = pWin->drawable.width;
+ extents.y2 = pWin->drawable.height;
+ shaped = xFalse;
+ }
+ break;
+ case ShapeInput:
+ region = wInputShape(pWin);
+ if (region) {
+ extents = *RegionExtents(region);
+ shaped = xTrue;
+ } else {
+ extents.x1 = -wBorderWidth (pWin);
+ extents.y1 = -wBorderWidth (pWin);
+ extents.x2 = pWin->drawable.width + wBorderWidth (pWin);
+ extents.y2 = pWin->drawable.height + wBorderWidth (pWin);
+ shaped = xFalse;
+ }
+ break;
+ default:
+ return;
+ }
+ for (pShapeEvent = *pHead; pShapeEvent; pShapeEvent = pShapeEvent->next) {
+ se.type = ShapeNotify + ShapeEventBase;
+ se.kind = which;
+ se.window = pWin->drawable.id;
+ se.x = extents.x1;
+ se.y = extents.y1;
+ se.width = extents.x2 - extents.x1;
+ se.height = extents.y2 - extents.y1;
+ se.time = currentTime.milliseconds;
+ se.shaped = shaped;
+ WriteEventsToClient (pShapeEvent->client, 1, (xEvent *) &se);
+ }
+}
+
+static int
+ProcShapeInputSelected (ClientPtr client)
+{
+ REQUEST(xShapeInputSelectedReq);
+ WindowPtr pWin;
+ ShapeEventPtr pShapeEvent, *pHead;
+ int enabled, rc;
+ xShapeInputSelectedReply rep;
+ REQUEST_SIZE_MATCH (xShapeInputSelectedReq);
+ rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
+ if (rc != Success)
+ return rc;
+ rc = dixLookupResourceByType((pointer *)&pHead, pWin->drawable.id,
+ ShapeEventType, client, DixReadAccess);
+ if (rc != Success && rc != BadValue)
+ return rc;
+ enabled = xFalse;
+ if (pHead) {
+ for (pShapeEvent = *pHead;
+ pShapeEvent;
+ pShapeEvent = pShapeEvent->next)
+ {
+ if (pShapeEvent->client == client) {
+ enabled = xTrue;
+ break;
+ }
+ }
+ }
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.enabled = enabled;
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ }
+ WriteToClient (client, sizeof (xShapeInputSelectedReply), (char *) &rep);
+ return Success;
+}
+
+static int
+ProcShapeGetRectangles (ClientPtr client)
+{
+ REQUEST(xShapeGetRectanglesReq);
+ WindowPtr pWin;
+ xShapeGetRectanglesReply rep;
+ xRectangle *rects;
+ int nrects, i, rc;
+ RegionPtr region;
+ REQUEST_SIZE_MATCH(xShapeGetRectanglesReq);
+ rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
+ if (rc != Success)
+ return rc;
+ switch (stuff->kind) {
+ case ShapeBounding:
+ region = wBoundingShape(pWin);
+ break;
+ case ShapeClip:
+ region = wClipShape(pWin);
+ break;
+ case ShapeInput:
+ region = wInputShape (pWin);
+ break;
+ default:
+ client->errorValue = stuff->kind;
+ return BadValue;
+ }
+ if (!region) {
+ nrects = 1;
+ rects = malloc(sizeof (xRectangle));
+ if (!rects)
+ return BadAlloc;
+ switch (stuff->kind) {
+ case ShapeBounding:
+ rects->x = - (int) wBorderWidth (pWin);
+ rects->y = - (int) wBorderWidth (pWin);
+ rects->width = pWin->drawable.width + wBorderWidth (pWin);
+ rects->height = pWin->drawable.height + wBorderWidth (pWin);
+ break;
+ case ShapeClip:
+ rects->x = 0;
+ rects->y = 0;
+ rects->width = pWin->drawable.width;
+ rects->height = pWin->drawable.height;
+ break;
+ case ShapeInput:
+ rects->x = - (int) wBorderWidth (pWin);
+ rects->y = - (int) wBorderWidth (pWin);
+ rects->width = pWin->drawable.width + wBorderWidth (pWin);
+ rects->height = pWin->drawable.height + wBorderWidth (pWin);
+ break;
+ }
+ } else {
+ BoxPtr box;
+ nrects = RegionNumRects(region);
+ box = RegionRects(region);
+ rects = malloc(nrects * sizeof (xRectangle));
+ if (!rects && nrects)
+ return BadAlloc;
+ for (i = 0; i < nrects; i++, box++) {
+ rects[i].x = box->x1;
+ rects[i].y = box->y1;
+ rects[i].width = box->x2 - box->x1;
+ rects[i].height = box->y2 - box->y1;
+ }
+ }
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.length = bytes_to_int32(nrects * sizeof (xRectangle));
+ rep.ordering = YXBanded;
+ rep.nrects = nrects;
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ swapl(&rep.nrects);
+ SwapShorts ((short *)rects, (unsigned long)nrects * 4);
+ }
+ WriteToClient (client, sizeof (rep), (char *) &rep);
+ WriteToClient (client, nrects * sizeof (xRectangle), (char *) rects);
+ free(rects);
+ return Success;
+}
+
+static int
+ProcShapeDispatch (ClientPtr client)
+{
+ REQUEST(xReq);
+ switch (stuff->data) {
+ case X_ShapeQueryVersion:
+ return ProcShapeQueryVersion (client);
+ case X_ShapeRectangles:
+#ifdef PANORAMIX
+ if ( !noPanoramiXExtension )
+ return ProcPanoramiXShapeRectangles (client);
+ else
+#endif
+ return ProcShapeRectangles (client);
+ case X_ShapeMask:
+#ifdef PANORAMIX
+ if ( !noPanoramiXExtension )
+ return ProcPanoramiXShapeMask (client);
+ else
+#endif
+ return ProcShapeMask (client);
+ case X_ShapeCombine:
+#ifdef PANORAMIX
+ if ( !noPanoramiXExtension )
+ return ProcPanoramiXShapeCombine (client);
+ else
+#endif
+ return ProcShapeCombine (client);
+ case X_ShapeOffset:
+#ifdef PANORAMIX
+ if ( !noPanoramiXExtension )
+ return ProcPanoramiXShapeOffset (client);
+ else
+#endif
+ return ProcShapeOffset (client);
+ case X_ShapeQueryExtents:
+ return ProcShapeQueryExtents (client);
+ case X_ShapeSelectInput:
+ return ProcShapeSelectInput (client);
+ case X_ShapeInputSelected:
+ return ProcShapeInputSelected (client);
+ case X_ShapeGetRectangles:
+ return ProcShapeGetRectangles (client);
+ default:
+ return BadRequest;
+ }
+}
+
+static void
+SShapeNotifyEvent(xShapeNotifyEvent *from, xShapeNotifyEvent *to)
+{
+ to->type = from->type;
+ to->kind = from->kind;
+ cpswapl (from->window, to->window);
+ cpswaps (from->sequenceNumber, to->sequenceNumber);
+ cpswaps (from->x, to->x);
+ cpswaps (from->y, to->y);
+ cpswaps (from->width, to->width);
+ cpswaps (from->height, to->height);
+ cpswapl (from->time, to->time);
+ to->shaped = from->shaped;
+}
+
+static int
+SProcShapeQueryVersion (ClientPtr client)
+{
+ REQUEST (xShapeQueryVersionReq);
+
+ swaps(&stuff->length);
+ return ProcShapeQueryVersion (client);
+}
+
+static int
+SProcShapeRectangles (ClientPtr client)
+{
+ REQUEST (xShapeRectanglesReq);
+
+ swaps(&stuff->length);
+ REQUEST_AT_LEAST_SIZE (xShapeRectanglesReq);
+ swapl(&stuff->dest);
+ swaps(&stuff->xOff);
+ swaps(&stuff->yOff);
+ SwapRestS(stuff);
+ return ProcShapeRectangles (client);
+}
+
+static int
+SProcShapeMask (ClientPtr client)
+{
+ REQUEST (xShapeMaskReq);
+
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH (xShapeMaskReq);
+ swapl(&stuff->dest);
+ swaps(&stuff->xOff);
+ swaps(&stuff->yOff);
+ swapl(&stuff->src);
+ return ProcShapeMask (client);
+}
+
+static int
+SProcShapeCombine (ClientPtr client)
+{
+ REQUEST (xShapeCombineReq);
+
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH (xShapeCombineReq);
+ swapl(&stuff->dest);
+ swaps(&stuff->xOff);
+ swaps(&stuff->yOff);
+ swapl(&stuff->src);
+ return ProcShapeCombine (client);
+}
+
+static int
+SProcShapeOffset (ClientPtr client)
+{
+ REQUEST (xShapeOffsetReq);
+
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH (xShapeOffsetReq);
+ swapl(&stuff->dest);
+ swaps(&stuff->xOff);
+ swaps(&stuff->yOff);
+ return ProcShapeOffset (client);
+}
+
+static int
+SProcShapeQueryExtents (ClientPtr client)
+{
+ REQUEST (xShapeQueryExtentsReq);
+
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH (xShapeQueryExtentsReq);
+ swapl(&stuff->window);
+ return ProcShapeQueryExtents (client);
+}
+
+static int
+SProcShapeSelectInput (ClientPtr client)
+{
+ REQUEST (xShapeSelectInputReq);
+
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH (xShapeSelectInputReq);
+ swapl(&stuff->window);
+ return ProcShapeSelectInput (client);
+}
+
+static int
+SProcShapeInputSelected (ClientPtr client)
+{
+ REQUEST (xShapeInputSelectedReq);
+
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH (xShapeInputSelectedReq);
+ swapl(&stuff->window);
+ return ProcShapeInputSelected (client);
+}
+
+static int
+SProcShapeGetRectangles (ClientPtr client)
+{
+ REQUEST(xShapeGetRectanglesReq);
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xShapeGetRectanglesReq);
+ swapl(&stuff->window);
+ return ProcShapeGetRectangles (client);
+}
+
+static int
+SProcShapeDispatch (ClientPtr client)
+{
+ REQUEST(xReq);
+ switch (stuff->data) {
+ case X_ShapeQueryVersion:
+ return SProcShapeQueryVersion (client);
+ case X_ShapeRectangles:
+ return SProcShapeRectangles (client);
+ case X_ShapeMask:
+ return SProcShapeMask (client);
+ case X_ShapeCombine:
+ return SProcShapeCombine (client);
+ case X_ShapeOffset:
+ return SProcShapeOffset (client);
+ case X_ShapeQueryExtents:
+ return SProcShapeQueryExtents (client);
+ case X_ShapeSelectInput:
+ return SProcShapeSelectInput (client);
+ case X_ShapeInputSelected:
+ return SProcShapeInputSelected (client);
+ case X_ShapeGetRectangles:
+ return SProcShapeGetRectangles (client);
+ default:
+ return BadRequest;
+ }
+}
+
+void
+ShapeExtensionInit(void)
+{
+ ExtensionEntry *extEntry;
+
+ ClientType = CreateNewResourceType(ShapeFreeClient, "ShapeClient");
+ ShapeEventType = CreateNewResourceType(ShapeFreeEvents, "ShapeEvent");
+ if (ClientType && ShapeEventType &&
+ (extEntry = AddExtension(SHAPENAME, ShapeNumberEvents, 0,
+ ProcShapeDispatch, SProcShapeDispatch,
+ NULL, StandardMinorOpcode)))
+ {
+ ShapeEventBase = extEntry->eventBase;
+ EventSwapVector[ShapeEventBase] = (EventSwapPtr) SShapeNotifyEvent;
+ }
+}
diff --git a/xorg-server/Xext/shm.c b/xorg-server/Xext/shm.c
index b08af821b..9c8beb27c 100644
--- a/xorg-server/Xext/shm.c
+++ b/xorg-server/Xext/shm.c
@@ -289,7 +289,6 @@ static int
ProcShmQueryVersion(ClientPtr client)
{
xShmQueryVersionReply rep;
- int n;
REQUEST_SIZE_MATCH(xShmQueryVersionReq);
memset(&rep, 0, sizeof(xShmQueryVersionReply));
@@ -303,12 +302,12 @@ ProcShmQueryVersion(ClientPtr client)
rep.uid = geteuid();
rep.gid = getegid();
if (client->swapped) {
- swaps(&rep.sequenceNumber, n);
- swapl(&rep.length, n);
- swaps(&rep.majorVersion, n);
- swaps(&rep.minorVersion, n);
- swaps(&rep.uid, n);
- swaps(&rep.gid, n);
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ swaps(&rep.majorVersion);
+ swaps(&rep.minorVersion);
+ swaps(&rep.uid);
+ swaps(&rep.gid);
}
WriteToClient(client, sizeof(xShmQueryVersionReply), (char *)&rep);
return Success;
@@ -633,7 +632,7 @@ ProcShmGetImage(ClientPtr client)
Mask plane = 0;
xShmGetImageReply xgi;
ShmDescPtr shmdesc;
- int n, rc;
+ int rc;
REQUEST(xShmGetImageReq);
@@ -727,10 +726,10 @@ ProcShmGetImage(ClientPtr client)
}
if (client->swapped) {
- swaps(&xgi.sequenceNumber, n);
- swapl(&xgi.length, n);
- swapl(&xgi.visual, n);
- swapl(&xgi.size, n);
+ swaps(&xgi.sequenceNumber);
+ swapl(&xgi.length);
+ swapl(&xgi.visual);
+ swapl(&xgi.size);
}
WriteToClient(client, sizeof(xShmGetImageReply), (char *)&xgi);
@@ -897,11 +896,10 @@ ProcPanoramiXShmGetImage(ClientPtr client)
free(drawables);
if (client->swapped) {
- int n;
- swaps(&xgi.sequenceNumber, n);
- swapl(&xgi.length, n);
- swapl(&xgi.visual, n);
- swapl(&xgi.size, n);
+ swaps(&xgi.sequenceNumber);
+ swapl(&xgi.length);
+ swapl(&xgi.visual);
+ swapl(&xgi.size);
}
WriteToClient(client, sizeof(xShmGetImageReply), (char *)&xgi);
@@ -991,7 +989,6 @@ CreatePmap:
pMap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
pMap->drawable.id = newPix->info[j].id;
if (!AddResource(newPix->info[j].id, RT_PIXMAP, (pointer)pMap)) {
- (*pScreen->DestroyPixmap)(pMap);
result = BadAlloc;
break;
}
@@ -1002,10 +999,8 @@ CreatePmap:
}
if(result == BadAlloc) {
- while(j--) {
- (*pScreen->DestroyPixmap)(pMap);
+ while(j--)
FreeResource(newPix->info[j].id, RT_NONE);
- }
free(newPix);
} else
AddResource(stuff->pid, XRT_PIXMAP, newPix);
@@ -1110,7 +1105,6 @@ CreatePmap:
{
return Success;
}
- pDraw->pScreen->DestroyPixmap(pMap);
}
return BadAlloc;
}
@@ -1165,89 +1159,83 @@ SShmCompletionEvent(xShmCompletionEvent *from, xShmCompletionEvent *to)
static int
SProcShmQueryVersion(ClientPtr client)
{
- int n;
REQUEST(xShmQueryVersionReq);
- swaps(&stuff->length, n);
+ swaps(&stuff->length);
return ProcShmQueryVersion(client);
}
static int
SProcShmAttach(ClientPtr client)
{
- int n;
REQUEST(xShmAttachReq);
- swaps(&stuff->length, n);
+ swaps(&stuff->length);
REQUEST_SIZE_MATCH(xShmAttachReq);
- swapl(&stuff->shmseg, n);
- swapl(&stuff->shmid, n);
+ swapl(&stuff->shmseg);
+ swapl(&stuff->shmid);
return ProcShmAttach(client);
}
static int
SProcShmDetach(ClientPtr client)
{
- int n;
REQUEST(xShmDetachReq);
- swaps(&stuff->length, n);
+ swaps(&stuff->length);
REQUEST_SIZE_MATCH(xShmDetachReq);
- swapl(&stuff->shmseg, n);
+ swapl(&stuff->shmseg);
return ProcShmDetach(client);
}
static int
SProcShmPutImage(ClientPtr client)
{
- int n;
REQUEST(xShmPutImageReq);
- swaps(&stuff->length, n);
+ swaps(&stuff->length);
REQUEST_SIZE_MATCH(xShmPutImageReq);
- swapl(&stuff->drawable, n);
- swapl(&stuff->gc, n);
- swaps(&stuff->totalWidth, n);
- swaps(&stuff->totalHeight, n);
- swaps(&stuff->srcX, n);
- swaps(&stuff->srcY, n);
- swaps(&stuff->srcWidth, n);
- swaps(&stuff->srcHeight, n);
- swaps(&stuff->dstX, n);
- swaps(&stuff->dstY, n);
- swapl(&stuff->shmseg, n);
- swapl(&stuff->offset, n);
+ swapl(&stuff->drawable);
+ swapl(&stuff->gc);
+ swaps(&stuff->totalWidth);
+ swaps(&stuff->totalHeight);
+ swaps(&stuff->srcX);
+ swaps(&stuff->srcY);
+ swaps(&stuff->srcWidth);
+ swaps(&stuff->srcHeight);
+ swaps(&stuff->dstX);
+ swaps(&stuff->dstY);
+ swapl(&stuff->shmseg);
+ swapl(&stuff->offset);
return ProcShmPutImage(client);
}
static int
SProcShmGetImage(ClientPtr client)
{
- int n;
REQUEST(xShmGetImageReq);
- swaps(&stuff->length, n);
+ swaps(&stuff->length);
REQUEST_SIZE_MATCH(xShmGetImageReq);
- swapl(&stuff->drawable, n);
- swaps(&stuff->x, n);
- swaps(&stuff->y, n);
- swaps(&stuff->width, n);
- swaps(&stuff->height, n);
- swapl(&stuff->planeMask, n);
- swapl(&stuff->shmseg, n);
- swapl(&stuff->offset, n);
+ swapl(&stuff->drawable);
+ swaps(&stuff->x);
+ swaps(&stuff->y);
+ swaps(&stuff->width);
+ swaps(&stuff->height);
+ swapl(&stuff->planeMask);
+ swapl(&stuff->shmseg);
+ swapl(&stuff->offset);
return ProcShmGetImage(client);
}
static int
SProcShmCreatePixmap(ClientPtr client)
{
- int n;
REQUEST(xShmCreatePixmapReq);
- swaps(&stuff->length, n);
+ swaps(&stuff->length);
REQUEST_SIZE_MATCH(xShmCreatePixmapReq);
- swapl(&stuff->pid, n);
- swapl(&stuff->drawable, n);
- swaps(&stuff->width, n);
- swaps(&stuff->height, n);
- swapl(&stuff->shmseg, n);
- swapl(&stuff->offset, n);
+ swapl(&stuff->pid);
+ swapl(&stuff->drawable);
+ swaps(&stuff->width);
+ swaps(&stuff->height);
+ swapl(&stuff->shmseg);
+ swapl(&stuff->offset);
return ProcShmCreatePixmap(client);
}
diff --git a/xorg-server/Xext/sync.c b/xorg-server/Xext/sync.c
index 4f80c7f30..3b257f73b 100644
--- a/xorg-server/Xext/sync.c
+++ b/xorg-server/Xext/sync.c
@@ -1,2925 +1,2877 @@
-/*
-
-Copyright 1991, 1993, 1998 The Open Group
-
-Permission to use, copy, modify, distribute, and sell this software and its
-documentation for any purpose is hereby granted without fee, provided that
-the above copyright notice appear in all copies and that both that
-copyright notice and this permission notice appear in supporting
-documentation.
-
-The above copyright notice and this permission notice shall be included
-in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
-OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
-ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
-OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of The Open Group shall
-not be used in advertising or otherwise to promote the sale, use or
-other dealings in this Software without prior written authorization
-from The Open Group.
-
-
-Copyright 1991, 1993 by Digital Equipment Corporation, Maynard, Massachusetts,
-and Olivetti Research Limited, Cambridge, England.
-
- All Rights Reserved
-
-Permission to use, copy, modify, and distribute this software and its
-documentation for any purpose and without fee is hereby granted,
-provided that the above copyright notice appear in all copies and that
-both that copyright notice and this permission notice appear in
-supporting documentation, and that the names of Digital or Olivetti
-not be used in advertising or publicity pertaining to distribution of the
-software without specific, written prior permission. Digital and Olivetti
-make no representations about the suitability of this software
-for any purpose. It is provided "as is" without express or implied warranty.
-
-DIGITAL AND OLIVETTI DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
-SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
-FITNESS, IN NO EVENT SHALL THEY BE LIABLE FOR ANY SPECIAL, INDIRECT OR
-CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
-USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
-OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
-PERFORMANCE OF THIS SOFTWARE.
-
-*/
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <string.h>
-
-#include <X11/X.h>
-#include <X11/Xproto.h>
-#include <X11/Xmd.h>
-#include "scrnintstr.h"
-#include "os.h"
-#include "extnsionst.h"
-#include "dixstruct.h"
-#include "pixmapstr.h"
-#include "resource.h"
-#include "opaque.h"
-#include <X11/extensions/syncproto.h>
-#include "syncsrv.h"
-#include "syncsdk.h"
-#include "protocol-versions.h"
-
-#include <stdio.h>
-#if !defined(WIN32)
-#include <sys/time.h>
-#endif
-
-#include "modinit.h"
-
-/*
- * Local Global Variables
- */
-static int SyncEventBase;
-static int SyncErrorBase;
-static RESTYPE RTCounter = 0;
-static RESTYPE RTAwait;
-static RESTYPE RTAlarm;
-static RESTYPE RTAlarmClient;
-static RESTYPE RTFence;
-static int SyncNumSystemCounters = 0;
-static SyncCounter **SysCounterList = NULL;
-static int SyncNumInvalidCounterWarnings = 0;
-#define MAX_INVALID_COUNTER_WARNINGS 5
-
-static const char *WARN_INVALID_COUNTER_COMPARE =
-"Warning: Non-counter XSync object using Counter-only\n"
-" comparison. Result will never be true.\n";
-
-static const char *WARN_INVALID_COUNTER_ALARM =
-"Warning: Non-counter XSync object used in alarm. This is\n"
-" the result of a programming error in the X server.\n";
-
-#define IsSystemCounter(pCounter) \
- (pCounter && (pCounter->sync.client == NULL))
-
-/* these are all the alarm attributes that pertain to the alarm's trigger */
-#define XSyncCAAllTrigger \
- (XSyncCACounter | XSyncCAValueType | XSyncCAValue | XSyncCATestType)
-
-static void SyncComputeBracketValues(SyncCounter *);
-
-static void SyncInitServerTime(void);
-
-static void SyncInitIdleTime(void);
-
-static Bool
-SyncCheckWarnIsCounter(const SyncObject* pSync, const char *warning)
-{
- if (pSync && (SYNC_COUNTER != pSync->type))
- {
- if (SyncNumInvalidCounterWarnings++ < MAX_INVALID_COUNTER_WARNINGS)
- {
- ErrorF("%s", warning);
- ErrorF(" Counter type: %d\n", pSync->type);
- }
-
- return FALSE;
- }
-
- return TRUE;
-}
-
-/* Each counter maintains a simple linked list of triggers that are
- * interested in the counter. The two functions below are used to
- * delete and add triggers on this list.
- */
-static void
-SyncDeleteTriggerFromSyncObject(SyncTrigger *pTrigger)
-{
- SyncTriggerList *pCur;
- SyncTriggerList *pPrev;
- SyncCounter *pCounter;
-
- /* pSync needs to be stored in pTrigger before calling here. */
-
- if (!pTrigger->pSync)
- return;
-
- pPrev = NULL;
- pCur = pTrigger->pSync->pTriglist;
-
- while (pCur)
- {
- if (pCur->pTrigger == pTrigger)
- {
- if (pPrev)
- pPrev->next = pCur->next;
- else
- pTrigger->pSync->pTriglist = pCur->next;
-
- free(pCur);
- break;
- }
-
- pPrev = pCur;
- pCur = pCur->next;
- }
-
- if (SYNC_COUNTER == pTrigger->pSync->type)
- {
- pCounter = (SyncCounter *)pTrigger->pSync;
-
- if (IsSystemCounter(pCounter))
- SyncComputeBracketValues(pCounter);
- } else if (SYNC_FENCE == pTrigger->pSync->type) {
- SyncFence* pFence = (SyncFence*) pTrigger->pSync;
- pFence->funcs.DeleteTrigger(pTrigger);
- }
-}
-
-
-static int
-SyncAddTriggerToSyncObject(SyncTrigger *pTrigger)
-{
- SyncTriggerList *pCur;
- SyncCounter *pCounter;
-
- if (!pTrigger->pSync)
- return Success;
-
- /* don't do anything if it's already there */
- for (pCur = pTrigger->pSync->pTriglist; pCur; pCur = pCur->next)
- {
- if (pCur->pTrigger == pTrigger)
- return Success;
- }
-
- if (!(pCur = malloc(sizeof(SyncTriggerList))))
- return BadAlloc;
-
- pCur->pTrigger = pTrigger;
- pCur->next = pTrigger->pSync->pTriglist;
- pTrigger->pSync->pTriglist = pCur;
-
- if (SYNC_COUNTER == pTrigger->pSync->type)
- {
- pCounter = (SyncCounter *)pTrigger->pSync;
-
- if (IsSystemCounter(pCounter))
- SyncComputeBracketValues(pCounter);
- } else if (SYNC_FENCE == pTrigger->pSync->type) {
- SyncFence* pFence = (SyncFence*) pTrigger->pSync;
- pFence->funcs.AddTrigger(pTrigger);
- }
-
- return Success;
-}
-
-
-/* Below are five possible functions that can be plugged into
- * pTrigger->CheckTrigger for counter sync objects, corresponding to
- * the four possible test-types, and the one possible function that
- * can be plugged into pTrigger->CheckTrigger for fence sync objects.
- * These functions are called after the sync object's state changes
- * but are also passed the old state so they can inspect both the old
- * and new values. (PositiveTransition and NegativeTransition need to
- * see both pieces of information.) These functions return the truth
- * value of the trigger.
- *
- * All of them include the condition pTrigger->pSync == NULL.
- * This is because the spec says that a trigger with a sync value
- * of None is always TRUE.
- */
-
-static Bool
-SyncCheckTriggerPositiveComparison(SyncTrigger *pTrigger, CARD64 oldval)
-{
- SyncCounter *pCounter;
-
- /* Non-counter sync objects should never get here because they
- * never trigger this comparison. */
- if (!SyncCheckWarnIsCounter(pTrigger->pSync, WARN_INVALID_COUNTER_COMPARE))
- return FALSE;
-
- pCounter = (SyncCounter *)pTrigger->pSync;
-
- return (pCounter == NULL ||
- XSyncValueGreaterOrEqual(pCounter->value, pTrigger->test_value));
-}
-
-static Bool
-SyncCheckTriggerNegativeComparison(SyncTrigger *pTrigger, CARD64 oldval)
-{
- SyncCounter *pCounter;
-
- /* Non-counter sync objects should never get here because they
- * never trigger this comparison. */
- if (!SyncCheckWarnIsCounter(pTrigger->pSync, WARN_INVALID_COUNTER_COMPARE))
- return FALSE;
-
- pCounter = (SyncCounter *)pTrigger->pSync;
-
- return (pCounter == NULL ||
- XSyncValueLessOrEqual(pCounter->value, pTrigger->test_value));
-}
-
-static Bool
-SyncCheckTriggerPositiveTransition(SyncTrigger *pTrigger, CARD64 oldval)
-{
- SyncCounter *pCounter;
-
- /* Non-counter sync objects should never get here because they
- * never trigger this comparison. */
- if (!SyncCheckWarnIsCounter(pTrigger->pSync, WARN_INVALID_COUNTER_COMPARE))
- return FALSE;
-
- pCounter = (SyncCounter *)pTrigger->pSync;
-
- return (pCounter == NULL ||
- (XSyncValueLessThan(oldval, pTrigger->test_value) &&
- XSyncValueGreaterOrEqual(pCounter->value, pTrigger->test_value)));
-}
-
-static Bool
-SyncCheckTriggerNegativeTransition(SyncTrigger *pTrigger, CARD64 oldval)
-{
- SyncCounter *pCounter;
-
- /* Non-counter sync objects should never get here because they
- * never trigger this comparison. */
- if (!SyncCheckWarnIsCounter(pTrigger->pSync, WARN_INVALID_COUNTER_COMPARE))
- return FALSE;
-
- pCounter = (SyncCounter *)pTrigger->pSync;
-
- return (pCounter == NULL ||
- (XSyncValueGreaterThan(oldval, pTrigger->test_value) &&
- XSyncValueLessOrEqual(pCounter->value, pTrigger->test_value)));
-}
-
-static Bool
-SyncCheckTriggerFence(SyncTrigger *pTrigger, CARD64 unused)
-{
- SyncFence* pFence = (SyncFence*) pTrigger->pSync;
- (void)unused;
-
- return (pFence == NULL ||
- pFence->funcs.CheckTriggered(pFence));
-}
-
-static int
-SyncInitTrigger(ClientPtr client, SyncTrigger *pTrigger, XID syncObject,
- RESTYPE resType, Mask changes)
-{
- SyncObject *pSync = pTrigger->pSync;
- SyncCounter *pCounter = NULL;
- int rc;
- Bool newSyncObject = FALSE;
-
- if (changes & XSyncCACounter)
- {
- if (syncObject == None)
- pSync = NULL;
- else if (Success != (rc = dixLookupResourceByType ((pointer *)&pSync,
- syncObject, resType, client, DixReadAccess)))
- {
- client->errorValue = syncObject;
- return rc;
- }
- if (pSync != pTrigger->pSync)
- { /* new counter for trigger */
- SyncDeleteTriggerFromSyncObject(pTrigger);
- pTrigger->pSync = pSync;
- newSyncObject = TRUE;
- }
- }
-
- /* if system counter, ask it what the current value is */
-
- if (pSync && SYNC_COUNTER == pSync->type)
- {
- pCounter = (SyncCounter *)pSync;
-
- if (IsSystemCounter(pCounter))
- {
- (*pCounter->pSysCounterInfo->QueryValue) ((pointer) pCounter,
- &pCounter->value);
- }
- }
-
- if (changes & XSyncCAValueType)
- {
- if (pTrigger->value_type != XSyncRelative &&
- pTrigger->value_type != XSyncAbsolute)
- {
- client->errorValue = pTrigger->value_type;
- return BadValue;
- }
- }
-
- if (changes & XSyncCATestType)
- {
-
- if (pSync && SYNC_FENCE == pSync->type)
- {
- pTrigger->CheckTrigger = SyncCheckTriggerFence;
- }
- else
- {
- /* select appropriate CheckTrigger function */
-
- switch (pTrigger->test_type)
- {
- case XSyncPositiveTransition:
- pTrigger->CheckTrigger = SyncCheckTriggerPositiveTransition;
- break;
- case XSyncNegativeTransition:
- pTrigger->CheckTrigger = SyncCheckTriggerNegativeTransition;
- break;
- case XSyncPositiveComparison:
- pTrigger->CheckTrigger = SyncCheckTriggerPositiveComparison;
- break;
- case XSyncNegativeComparison:
- pTrigger->CheckTrigger = SyncCheckTriggerNegativeComparison;
- break;
- default:
- client->errorValue = pTrigger->test_type;
- return BadValue;
- }
- }
- }
-
- if (changes & (XSyncCAValueType | XSyncCAValue))
- {
- if (pTrigger->value_type == XSyncAbsolute)
- pTrigger->test_value = pTrigger->wait_value;
- else /* relative */
- {
- Bool overflow;
- if (pCounter == NULL)
- return BadMatch;
-
- XSyncValueAdd(&pTrigger->test_value, pCounter->value,
- pTrigger->wait_value, &overflow);
- if (overflow)
- {
- client->errorValue = XSyncValueHigh32(pTrigger->wait_value);
- return BadValue;
- }
- }
- }
-
- /* we wait until we're sure there are no errors before registering
- * a new counter on a trigger
- */
- if (newSyncObject)
- {
- if ((rc = SyncAddTriggerToSyncObject(pTrigger)) != Success)
- return rc;
- }
- else if (pCounter && IsSystemCounter(pCounter))
- {
- SyncComputeBracketValues(pCounter);
- }
-
- return Success;
-}
-
-/* AlarmNotify events happen in response to actions taken on an Alarm or
- * the counter used by the alarm. AlarmNotify may be sent to multiple
- * clients. The alarm maintains a list of clients interested in events.
- */
-static void
-SyncSendAlarmNotifyEvents(SyncAlarm *pAlarm)
-{
- SyncAlarmClientList *pcl;
- xSyncAlarmNotifyEvent ane;
- SyncTrigger *pTrigger = &pAlarm->trigger;
- SyncCounter *pCounter;
-
- if (!SyncCheckWarnIsCounter(pTrigger->pSync, WARN_INVALID_COUNTER_ALARM))
- return;
-
- pCounter = (SyncCounter *)pTrigger->pSync;
-
- UpdateCurrentTime();
-
- ane.type = SyncEventBase + XSyncAlarmNotify;
- ane.kind = XSyncAlarmNotify;
- ane.alarm = pAlarm->alarm_id;
- if (pTrigger->pSync && SYNC_COUNTER == pTrigger->pSync->type)
- {
- ane.counter_value_hi = XSyncValueHigh32(pCounter->value);
- ane.counter_value_lo = XSyncValueLow32(pCounter->value);
- }
- else
- { /* XXX what else can we do if there's no counter? */
- ane.counter_value_hi = ane.counter_value_lo = 0;
- }
-
- ane.alarm_value_hi = XSyncValueHigh32(pTrigger->test_value);
- ane.alarm_value_lo = XSyncValueLow32(pTrigger->test_value);
- ane.time = currentTime.milliseconds;
- ane.state = pAlarm->state;
-
- /* send to owner */
- if (pAlarm->events)
- WriteEventsToClient(pAlarm->client, 1, (xEvent *) &ane);
-
- /* send to other interested clients */
- for (pcl = pAlarm->pEventClients; pcl; pcl = pcl->next)
- WriteEventsToClient(pcl->client, 1, (xEvent *) &ane);
-}
-
-
-/* CounterNotify events only occur in response to an Await. The events
- * go only to the Awaiting client.
- */
-static void
-SyncSendCounterNotifyEvents(ClientPtr client, SyncAwait **ppAwait,
- int num_events)
-{
- xSyncCounterNotifyEvent *pEvents, *pev;
- int i;
-
- if (client->clientGone)
- return;
- pev = pEvents = malloc(num_events * sizeof(xSyncCounterNotifyEvent));
- if (!pEvents)
- return;
- UpdateCurrentTime();
- for (i = 0; i < num_events; i++, ppAwait++, pev++)
- {
- SyncTrigger *pTrigger = &(*ppAwait)->trigger;
- pev->type = SyncEventBase + XSyncCounterNotify;
- pev->kind = XSyncCounterNotify;
- pev->counter = pTrigger->pSync->id;
- pev->wait_value_lo = XSyncValueLow32(pTrigger->test_value);
- pev->wait_value_hi = XSyncValueHigh32(pTrigger->test_value);
- if (SYNC_COUNTER == pTrigger->pSync->type)
- {
- SyncCounter *pCounter = (SyncCounter *)pTrigger->pSync;
-
- pev->counter_value_lo = XSyncValueLow32(pCounter->value);
- pev->counter_value_hi = XSyncValueHigh32(pCounter->value);
- }
- else
- {
- pev->counter_value_lo = 0;
- pev->counter_value_hi = 0;
- }
-
- pev->time = currentTime.milliseconds;
- pev->count = num_events - i - 1; /* events remaining */
- pev->destroyed = pTrigger->pSync->beingDestroyed;
- }
- /* swapping will be taken care of by this */
- WriteEventsToClient(client, num_events, (xEvent *)pEvents);
- free(pEvents);
-}
-
-
-/* This function is called when an alarm's counter is destroyed.
- * It is plugged into pTrigger->CounterDestroyed (for alarm triggers).
- */
-static void
-SyncAlarmCounterDestroyed(SyncTrigger *pTrigger)
-{
- SyncAlarm *pAlarm = (SyncAlarm *)pTrigger;
-
- pAlarm->state = XSyncAlarmInactive;
- SyncSendAlarmNotifyEvents(pAlarm);
- pTrigger->pSync = NULL;
-}
-
-
-/* This function is called when an alarm "goes off."
- * It is plugged into pTrigger->TriggerFired (for alarm triggers).
- */
-static void
-SyncAlarmTriggerFired(SyncTrigger *pTrigger)
-{
- SyncAlarm *pAlarm = (SyncAlarm *)pTrigger;
- SyncCounter *pCounter;
- CARD64 new_test_value;
-
- if (!SyncCheckWarnIsCounter(pTrigger->pSync, WARN_INVALID_COUNTER_ALARM))
- return;
-
- pCounter = (SyncCounter *)pTrigger->pSync;
-
- /* no need to check alarm unless it's active */
- if (pAlarm->state != XSyncAlarmActive)
- return;
-
- /* " if the counter value is None, or if the delta is 0 and
- * the test-type is PositiveComparison or NegativeComparison,
- * no change is made to value (test-value) and the alarm
- * state is changed to Inactive before the event is generated."
- */
- if (pCounter == NULL
- || (XSyncValueIsZero(pAlarm->delta)
- && (pAlarm->trigger.test_type == XSyncPositiveComparison
- || pAlarm->trigger.test_type == XSyncNegativeComparison)))
- pAlarm->state = XSyncAlarmInactive;
-
- new_test_value = pAlarm->trigger.test_value;
-
- if (pAlarm->state == XSyncAlarmActive)
- {
- Bool overflow;
- CARD64 oldvalue;
- SyncTrigger *paTrigger = &pAlarm->trigger;
- SyncCounter *paCounter;
-
- if (!SyncCheckWarnIsCounter(paTrigger->pSync,
- WARN_INVALID_COUNTER_ALARM))
- return;
-
- paCounter = (SyncCounter *)pTrigger->pSync;
-
- /* "The alarm is updated by repeatedly adding delta to the
- * value of the trigger and re-initializing it until it
- * becomes FALSE."
- */
- oldvalue = paTrigger->test_value;
-
- /* XXX really should do something smarter here */
-
- do
- {
- XSyncValueAdd(&paTrigger->test_value, paTrigger->test_value,
- pAlarm->delta, &overflow);
- } while (!overflow &&
- (*paTrigger->CheckTrigger)(paTrigger,
- paCounter->value));
-
- new_test_value = paTrigger->test_value;
- paTrigger->test_value = oldvalue;
-
- /* "If this update would cause value to fall outside the range
- * for an INT64...no change is made to value (test-value) and
- * the alarm state is changed to Inactive before the event is
- * generated."
- */
- if (overflow)
- {
- new_test_value = oldvalue;
- pAlarm->state = XSyncAlarmInactive;
- }
- }
- /* The AlarmNotify event has to have the "new state of the alarm"
- * which we can't be sure of until this point. However, it has
- * to have the "old" trigger test value. That's the reason for
- * all the newvalue/oldvalue shuffling above. After we send the
- * events, give the trigger its new test value.
- */
- SyncSendAlarmNotifyEvents(pAlarm);
- pTrigger->test_value = new_test_value;
-}
-
-
-/* This function is called when an Await unblocks, either as a result
- * of the trigger firing OR the counter being destroyed.
- * It goes into pTrigger->TriggerFired AND pTrigger->CounterDestroyed
- * (for Await triggers).
- */
-static void
-SyncAwaitTriggerFired(SyncTrigger *pTrigger)
-{
- SyncAwait *pAwait = (SyncAwait *)pTrigger;
- int numwaits;
- SyncAwaitUnion *pAwaitUnion;
- SyncAwait **ppAwait;
- int num_events = 0;
-
- pAwaitUnion = (SyncAwaitUnion *)pAwait->pHeader;
- numwaits = pAwaitUnion->header.num_waitconditions;
- ppAwait = malloc(numwaits * sizeof(SyncAwait *));
- if (!ppAwait)
- goto bail;
-
- pAwait = &(pAwaitUnion+1)->await;
-
- /* "When a client is unblocked, all the CounterNotify events for
- * the Await request are generated contiguously. If count is 0
- * there are no more events to follow for this request. If
- * count is n, there are at least n more events to follow."
- *
- * Thus, it is best to find all the counters for which events
- * need to be sent first, so that an accurate count field can
- * be stored in the events.
- */
- for ( ; numwaits; numwaits--, pAwait++)
- {
- CARD64 diff;
- Bool overflow, diffgreater, diffequal;
-
- /* "A CounterNotify event with the destroyed flag set to TRUE is
- * always generated if the counter for one of the triggers is
- * destroyed."
- */
- if (pAwait->trigger.pSync->beingDestroyed)
- {
- ppAwait[num_events++] = pAwait;
- continue;
- }
-
- if (SYNC_COUNTER == pAwait->trigger.pSync->type)
- {
- SyncCounter *pCounter = (SyncCounter *) pAwait->trigger.pSync;
-
- /* "The difference between the counter and the test value is
- * calculated by subtracting the test value from the value of
- * the counter."
- */
- XSyncValueSubtract(&diff, pCounter->value,
- pAwait->trigger.test_value, &overflow);
-
- /* "If the difference lies outside the range for an INT64, an
- * event is not generated."
- */
- if (overflow)
- continue;
- diffgreater = XSyncValueGreaterThan(diff, pAwait->event_threshold);
- diffequal = XSyncValueEqual(diff, pAwait->event_threshold);
-
- /* "If the test-type is PositiveTransition or
- * PositiveComparison, a CounterNotify event is generated if
- * the difference is at least event-threshold. If the test-type
- * is NegativeTransition or NegativeComparison, a CounterNotify
- * event is generated if the difference is at most
- * event-threshold."
- */
-
- if ( ((pAwait->trigger.test_type == XSyncPositiveComparison ||
- pAwait->trigger.test_type == XSyncPositiveTransition)
- && (diffgreater || diffequal))
- ||
- ((pAwait->trigger.test_type == XSyncNegativeComparison ||
- pAwait->trigger.test_type == XSyncNegativeTransition)
- && (!diffgreater) /* less or equal */
- )
- )
- {
- ppAwait[num_events++] = pAwait;
- }
- }
- }
- if (num_events)
- SyncSendCounterNotifyEvents(pAwaitUnion->header.client, ppAwait,
- num_events);
- free(ppAwait);
-
-bail:
- /* unblock the client */
- AttendClient(pAwaitUnion->header.client);
- /* delete the await */
- FreeResource(pAwaitUnion->header.delete_id, RT_NONE);
-}
-
-
-/* This function should always be used to change a counter's value so that
- * any triggers depending on the counter will be checked.
- */
-void
-SyncChangeCounter(SyncCounter *pCounter, CARD64 newval)
-{
- SyncTriggerList *ptl, *pnext;
- CARD64 oldval;
-
- oldval = pCounter->value;
- pCounter->value = newval;
-
- /* run through triggers to see if any become true */
- for (ptl = pCounter->sync.pTriglist; ptl; ptl = pnext)
- {
- pnext = ptl->next;
- if ((*ptl->pTrigger->CheckTrigger)(ptl->pTrigger, oldval))
- (*ptl->pTrigger->TriggerFired)(ptl->pTrigger);
- }
-
- if (IsSystemCounter(pCounter))
- {
- SyncComputeBracketValues(pCounter);
- }
-}
-
-
-/* loosely based on dix/events.c/EventSelectForWindow */
-static Bool
-SyncEventSelectForAlarm(SyncAlarm *pAlarm, ClientPtr client, Bool wantevents)
-{
- SyncAlarmClientList *pClients;
-
- if (client == pAlarm->client) /* alarm owner */
- {
- pAlarm->events = wantevents;
- return Success;
- }
-
- /* see if the client is already on the list (has events selected) */
-
- for (pClients = pAlarm->pEventClients; pClients;
- pClients = pClients->next)
- {
- if (pClients->client == client)
- {
- /* client's presence on the list indicates desire for
- * events. If the client doesn't want events, remove it
- * from the list. If the client does want events, do
- * nothing, since it's already got them.
- */
- if (!wantevents)
- {
- FreeResource(pClients->delete_id, RT_NONE);
- }
- return Success;
- }
- }
-
- /* if we get here, this client does not currently have
- * events selected on the alarm
- */
-
- if (!wantevents)
- /* client doesn't want events, and we just discovered that it
- * doesn't have them, so there's nothing to do.
- */
- return Success;
-
- /* add new client to pAlarm->pEventClients */
-
- pClients = malloc(sizeof(SyncAlarmClientList));
- if (!pClients)
- return BadAlloc;
-
- /* register it as a resource so it will be cleaned up
- * if the client dies
- */
-
- pClients->delete_id = FakeClientID(client->index);
-
- /* link it into list after we know all the allocations succeed */
- pClients->next = pAlarm->pEventClients;
- pAlarm->pEventClients = pClients;
- pClients->client = client;
-
- if (!AddResource(pClients->delete_id, RTAlarmClient, pAlarm))
- return BadAlloc;
-
- return Success;
-}
-
-/*
- * ** SyncChangeAlarmAttributes ** This is used by CreateAlarm and ChangeAlarm
- */
-static int
-SyncChangeAlarmAttributes(ClientPtr client, SyncAlarm *pAlarm, Mask mask,
- CARD32 *values)
-{
- int status;
- XSyncCounter counter;
- Mask origmask = mask;
-
- counter =
- pAlarm->trigger.pSync ? pAlarm->trigger.pSync->id : None;
-
- while (mask)
- {
- int index2 = lowbit(mask);
- mask &= ~index2;
- switch (index2)
- {
- case XSyncCACounter:
- mask &= ~XSyncCACounter;
- /* sanity check in SyncInitTrigger */
- counter = *values++;
- break;
-
- case XSyncCAValueType:
- mask &= ~XSyncCAValueType;
- /* sanity check in SyncInitTrigger */
- pAlarm->trigger.value_type = *values++;
- break;
-
- case XSyncCAValue:
- mask &= ~XSyncCAValue;
- XSyncIntsToValue(&pAlarm->trigger.wait_value, values[1], values[0]);
- values += 2;
- break;
-
- case XSyncCATestType:
- mask &= ~XSyncCATestType;
- /* sanity check in SyncInitTrigger */
- pAlarm->trigger.test_type = *values++;
- break;
-
- case XSyncCADelta:
- mask &= ~XSyncCADelta;
- XSyncIntsToValue(&pAlarm->delta, values[1], values[0]);
- values += 2;
- break;
-
- case XSyncCAEvents:
- mask &= ~XSyncCAEvents;
- if ((*values != xTrue) && (*values != xFalse))
- {
- client->errorValue = *values;
- return BadValue;
- }
- status = SyncEventSelectForAlarm(pAlarm, client,
- (Bool)(*values++));
- if (status != Success)
- return status;
- break;
-
- default:
- client->errorValue = mask;
- return BadValue;
- }
- }
-
- /* "If the test-type is PositiveComparison or PositiveTransition
- * and delta is less than zero, or if the test-type is
- * NegativeComparison or NegativeTransition and delta is
- * greater than zero, a Match error is generated."
- */
- if (origmask & (XSyncCADelta|XSyncCATestType))
- {
- CARD64 zero;
- XSyncIntToValue(&zero, 0);
- if ((((pAlarm->trigger.test_type == XSyncPositiveComparison) ||
- (pAlarm->trigger.test_type == XSyncPositiveTransition))
- && XSyncValueLessThan(pAlarm->delta, zero))
- ||
- (((pAlarm->trigger.test_type == XSyncNegativeComparison) ||
- (pAlarm->trigger.test_type == XSyncNegativeTransition))
- && XSyncValueGreaterThan(pAlarm->delta, zero))
- )
- {
- return BadMatch;
- }
- }
-
- /* postpone this until now, when we're sure nothing else can go wrong */
- if ((status = SyncInitTrigger(client, &pAlarm->trigger, counter, RTCounter,
- origmask & XSyncCAAllTrigger)) != Success)
- return status;
-
- /* XXX spec does not really say to do this - needs clarification */
- pAlarm->state = XSyncAlarmActive;
- return Success;
-}
-
-static SyncObject *
-SyncCreate(ClientPtr client, XID id, unsigned char type)
-{
- SyncObject *pSync;
-
- switch (type) {
- case SYNC_COUNTER:
- pSync = malloc(sizeof(SyncCounter));
- break;
- case SYNC_FENCE:
- pSync = (SyncObject*)dixAllocateObjectWithPrivates(SyncFence,
- PRIVATE_SYNC_FENCE);
- break;
- default:
- return NULL;
- }
-
- if (!pSync)
- return NULL;
-
- pSync->client = client;
- pSync->id = id;
- pSync->pTriglist = NULL;
- pSync->beingDestroyed = FALSE;
- pSync->type = type;
-
- return pSync;
-}
-
-
-static SyncCounter *
-SyncCreateCounter(ClientPtr client, XSyncCounter id, CARD64 initialvalue)
-{
- SyncCounter *pCounter;
-
- if (!(pCounter = (SyncCounter *)SyncCreate(client,
- id,
- SYNC_COUNTER)))
- return NULL;
-
- pCounter->value = initialvalue;
- pCounter->pSysCounterInfo = NULL;
-
- if (!AddResource(id, RTCounter, (pointer) pCounter))
- return NULL;
-
- return pCounter;
-}
-
-static int FreeCounter(void *, XID);
-
-/*
- * ***** System Counter utilities
- */
-
-pointer
-SyncCreateSystemCounter(
- char *name,
- CARD64 initial,
- CARD64 resolution,
- SyncCounterType counterType,
- void (*QueryValue)(pointer /* pCounter */,
- CARD64 * /* pValue_return */),
- void (*BracketValues)(pointer /* pCounter */,
- CARD64 * /* pbracket_less */,
- CARD64 * /* pbracket_greater */)
- )
-{
- SyncCounter *pCounter;
-
- SysCounterList = realloc(SysCounterList,
- (SyncNumSystemCounters+1)*sizeof(SyncCounter *));
- if (!SysCounterList)
- return NULL;
-
- /* this function may be called before SYNC has been initialized, so we
- * have to make sure RTCounter is created.
- */
- if (RTCounter == 0)
- {
- RTCounter = CreateNewResourceType(FreeCounter, "SyncCounter");
- if (RTCounter == 0)
- {
- return NULL;
- }
- }
-
- pCounter = SyncCreateCounter(NULL, FakeClientID(0), initial);
-
- if (pCounter)
- {
- SysCounterInfo *psci;
-
- psci = malloc(sizeof(SysCounterInfo));
- if (!psci)
- {
- FreeResource(pCounter->sync.id, RT_NONE);
- return pCounter;
- }
- pCounter->pSysCounterInfo = psci;
- psci->name = name;
- psci->resolution = resolution;
- psci->counterType = counterType;
- psci->QueryValue = QueryValue;
- psci->BracketValues = BracketValues;
- XSyncMaxValue(&psci->bracket_greater);
- XSyncMinValue(&psci->bracket_less);
- SysCounterList[SyncNumSystemCounters++] = pCounter;
- }
- return pCounter;
-}
-
-void
-SyncDestroySystemCounter(pointer pSysCounter)
-{
- SyncCounter *pCounter = (SyncCounter *)pSysCounter;
- FreeResource(pCounter->sync.id, RT_NONE);
-}
-
-static void
-SyncComputeBracketValues(SyncCounter *pCounter)
-{
- SyncTriggerList *pCur;
- SyncTrigger *pTrigger;
- SysCounterInfo *psci;
- CARD64 *pnewgtval = NULL;
- CARD64 *pnewltval = NULL;
- SyncCounterType ct;
-
- if (!pCounter)
- return;
-
- psci = pCounter->pSysCounterInfo;
- ct = pCounter->pSysCounterInfo->counterType;
- if (ct == XSyncCounterNeverChanges)
- return;
-
- XSyncMaxValue(&psci->bracket_greater);
- XSyncMinValue(&psci->bracket_less);
-
- for (pCur = pCounter->sync.pTriglist; pCur; pCur = pCur->next)
- {
- pTrigger = pCur->pTrigger;
-
- if (pTrigger->test_type == XSyncPositiveComparison &&
- ct != XSyncCounterNeverIncreases)
- {
- if (XSyncValueLessThan(pCounter->value, pTrigger->test_value) &&
- XSyncValueLessThan(pTrigger->test_value,
- psci->bracket_greater))
- {
- psci->bracket_greater = pTrigger->test_value;
- pnewgtval = &psci->bracket_greater;
- }
- }
- else if (pTrigger->test_type == XSyncNegativeComparison &&
- ct != XSyncCounterNeverDecreases)
- {
- if (XSyncValueGreaterThan(pCounter->value, pTrigger->test_value) &&
- XSyncValueGreaterThan(pTrigger->test_value,
- psci->bracket_less))
- {
- psci->bracket_less = pTrigger->test_value;
- pnewltval = &psci->bracket_less;
- }
- }
- else if (pTrigger->test_type == XSyncNegativeTransition &&
- ct != XSyncCounterNeverIncreases)
- {
- if (XSyncValueGreaterThan(pCounter->value, pTrigger->test_value) &&
- XSyncValueGreaterThan(pTrigger->test_value, psci->bracket_less))
- {
- psci->bracket_less = pTrigger->test_value;
- pnewltval = &psci->bracket_less;
- } else if (XSyncValueEqual(pCounter->value, pTrigger->test_value) &&
- XSyncValueLessThan(pTrigger->test_value,
- psci->bracket_greater))
- {
- /*
- * The value is exactly equal to our threshold. We want one
- * more event in the positive direction to ensure we pick up
- * when the value *exceeds* this threshold.
- */
- psci->bracket_greater = pTrigger->test_value;
- pnewgtval = &psci->bracket_greater;
- }
- }
- else if (pTrigger->test_type == XSyncPositiveTransition &&
- ct != XSyncCounterNeverDecreases)
- {
- if (XSyncValueLessThan(pCounter->value, pTrigger->test_value) &&
- XSyncValueLessThan(pTrigger->test_value, psci->bracket_greater))
- {
- psci->bracket_greater = pTrigger->test_value;
- pnewgtval = &psci->bracket_greater;
- } else if (XSyncValueEqual(pCounter->value, pTrigger->test_value) &&
- XSyncValueGreaterThan(pTrigger->test_value,
- psci->bracket_less))
- {
- /*
- * The value is exactly equal to our threshold. We want one
- * more event in the negative direction to ensure we pick up
- * when the value is less than this threshold.
- */
- psci->bracket_less = pTrigger->test_value;
- pnewltval = &psci->bracket_less;
- }
- }
- } /* end for each trigger */
-
- if (pnewgtval || pnewltval)
- {
- (*psci->BracketValues)((pointer)pCounter, pnewltval, pnewgtval);
- }
-}
-
-/*
- * ***** Resource delete functions
- */
-
-/* ARGSUSED */
-static int
-FreeAlarm(void *addr, XID id)
-{
- SyncAlarm *pAlarm = (SyncAlarm *) addr;
-
- pAlarm->state = XSyncAlarmDestroyed;
-
- SyncSendAlarmNotifyEvents(pAlarm);
-
- /* delete event selections */
-
- while (pAlarm->pEventClients)
- FreeResource(pAlarm->pEventClients->delete_id, RT_NONE);
-
- SyncDeleteTriggerFromSyncObject(&pAlarm->trigger);
-
- free(pAlarm);
- return Success;
-}
-
-
-/*
- * ** Cleanup after the destruction of a Counter
- */
-/* ARGSUSED */
-static int
-FreeCounter(void *env, XID id)
-{
- SyncCounter *pCounter = (SyncCounter *) env;
- SyncTriggerList *ptl, *pnext;
-
- pCounter->sync.beingDestroyed = TRUE;
- /* tell all the counter's triggers that the counter has been destroyed */
- for (ptl = pCounter->sync.pTriglist; ptl; ptl = pnext)
- {
- (*ptl->pTrigger->CounterDestroyed)(ptl->pTrigger);
- pnext = ptl->next;
- free(ptl); /* destroy the trigger list as we go */
- }
- if (IsSystemCounter(pCounter))
- {
- int i, found = 0;
-
- free(pCounter->pSysCounterInfo);
-
- /* find the counter in the list of system counters and remove it */
-
- if (SysCounterList)
- {
- for (i = 0; i < SyncNumSystemCounters; i++)
- {
- if (SysCounterList[i] == pCounter)
- {
- found = i;
- break;
- }
- }
- if (found < (SyncNumSystemCounters-1))
- {
- for (i = found; i < SyncNumSystemCounters-1; i++)
- {
- SysCounterList[i] = SysCounterList[i+1];
- }
- }
- }
- SyncNumSystemCounters--;
- }
- free(pCounter);
- return Success;
-}
-
-/*
- * ** Cleanup after Await
- */
-/* ARGSUSED */
-static int
-FreeAwait(void *addr, XID id)
-{
- SyncAwaitUnion *pAwaitUnion = (SyncAwaitUnion *) addr;
- SyncAwait *pAwait;
- int numwaits;
-
- pAwait = &(pAwaitUnion+1)->await; /* first await on list */
-
- /* remove triggers from counters */
-
- for (numwaits = pAwaitUnion->header.num_waitconditions; numwaits;
- numwaits--, pAwait++)
- {
- /* If the counter is being destroyed, FreeCounter will delete
- * the trigger list itself, so don't do it here.
- */
- SyncObject *pSync = pAwait->trigger.pSync;
- if (pSync && !pSync->beingDestroyed)
- SyncDeleteTriggerFromSyncObject(&pAwait->trigger);
- }
- free(pAwaitUnion);
- return Success;
-}
-
-/* loosely based on dix/events.c/OtherClientGone */
-static int
-FreeAlarmClient(void *value, XID id)
-{
- SyncAlarm *pAlarm = (SyncAlarm *)value;
- SyncAlarmClientList *pCur, *pPrev;
-
- for (pPrev = NULL, pCur = pAlarm->pEventClients;
- pCur;
- pPrev = pCur, pCur = pCur->next)
- {
- if (pCur->delete_id == id)
- {
- if (pPrev)
- pPrev->next = pCur->next;
- else
- pAlarm->pEventClients = pCur->next;
- free(pCur);
- return Success;
- }
- }
- FatalError("alarm client not on event list");
- /*NOTREACHED*/
-}
-
-
-/*
- * ***** Proc functions
- */
-
-
-/*
- * ** Initialize the extension
- */
-static int
-ProcSyncInitialize(ClientPtr client)
-{
- xSyncInitializeReply rep;
- int n;
-
- REQUEST_SIZE_MATCH(xSyncInitializeReq);
-
- memset(&rep, 0, sizeof(xSyncInitializeReply));
- rep.type = X_Reply;
- rep.sequenceNumber = client->sequence;
- rep.majorVersion = SERVER_SYNC_MAJOR_VERSION;
- rep.minorVersion = SERVER_SYNC_MINOR_VERSION;
- rep.length = 0;
-
- if (client->swapped)
- {
- swaps(&rep.sequenceNumber, n);
- }
- WriteToClient(client, sizeof(rep), (char *) &rep);
- return Success;
-}
-
-/*
- * ** Get list of system counters available through the extension
- */
-static int
-ProcSyncListSystemCounters(ClientPtr client)
-{
- xSyncListSystemCountersReply rep;
- int i, len;
- xSyncSystemCounter *list = NULL, *walklist = NULL;
-
- REQUEST_SIZE_MATCH(xSyncListSystemCountersReq);
-
- rep.type = X_Reply;
- rep.sequenceNumber = client->sequence;
- rep.nCounters = SyncNumSystemCounters;
-
- for (i = len = 0; i < SyncNumSystemCounters; i++)
- {
- char *name = SysCounterList[i]->pSysCounterInfo->name;
- /* pad to 4 byte boundary */
- len += pad_to_int32(sz_xSyncSystemCounter + strlen(name));
- }
-
- if (len)
- {
- walklist = list = malloc(len);
- if (!list)
- return BadAlloc;
- }
-
- rep.length = bytes_to_int32(len);
-
- if (client->swapped)
- {
- char n;
- swaps(&rep.sequenceNumber, n);
- swapl(&rep.length, n);
- swapl(&rep.nCounters, n);
- }
-
- for (i = 0; i < SyncNumSystemCounters; i++)
- {
- int namelen;
- char *pname_in_reply;
- SysCounterInfo *psci = SysCounterList[i]->pSysCounterInfo;
-
- walklist->counter = SysCounterList[i]->sync.id;
- walklist->resolution_hi = XSyncValueHigh32(psci->resolution);
- walklist->resolution_lo = XSyncValueLow32(psci->resolution);
- namelen = strlen(psci->name);
- walklist->name_length = namelen;
-
- if (client->swapped)
- {
- char n;
- swapl(&walklist->counter, n);
- swapl(&walklist->resolution_hi, n);
- swapl(&walklist->resolution_lo, n);
- swaps(&walklist->name_length, n);
- }
-
- pname_in_reply = ((char *)walklist) + sz_xSyncSystemCounter;
- strncpy(pname_in_reply, psci->name, namelen);
- walklist = (xSyncSystemCounter *) (((char *)walklist) +
- pad_to_int32(sz_xSyncSystemCounter + namelen));
- }
-
- WriteToClient(client, sizeof(rep), (char *) &rep);
- if (len)
- {
- WriteToClient(client, len, (char *) list);
- free(list);
- }
-
- return Success;
-}
-
-/*
- * ** Set client Priority
- */
-static int
-ProcSyncSetPriority(ClientPtr client)
-{
- REQUEST(xSyncSetPriorityReq);
- ClientPtr priorityclient;
- int rc;
-
- REQUEST_SIZE_MATCH(xSyncSetPriorityReq);
-
- if (stuff->id == None)
- priorityclient = client;
- else {
- rc = dixLookupClient(&priorityclient, stuff->id, client,
- DixSetAttrAccess);
- if (rc != Success)
- return rc;
- }
-
- if (priorityclient->priority != stuff->priority)
- {
- priorityclient->priority = stuff->priority;
-
- /* The following will force the server back into WaitForSomething
- * so that the change in this client's priority is immediately
- * reflected.
- */
- isItTimeToYield = TRUE;
- dispatchException |= DE_PRIORITYCHANGE;
- }
- return Success;
-}
-
-/*
- * ** Get client Priority
- */
-static int
-ProcSyncGetPriority(ClientPtr client)
-{
- REQUEST(xSyncGetPriorityReq);
- xSyncGetPriorityReply rep;
- ClientPtr priorityclient;
- int rc;
-
- REQUEST_SIZE_MATCH(xSyncGetPriorityReq);
-
- if (stuff->id == None)
- priorityclient = client;
- else {
- rc = dixLookupClient(&priorityclient, stuff->id, client,
- DixGetAttrAccess);
- if (rc != Success)
- return rc;
- }
-
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- rep.priority = priorityclient->priority;
-
- if (client->swapped)
- {
- char n;
- swaps(&rep.sequenceNumber, n);
- swapl(&rep.priority, n);
- }
-
- WriteToClient(client, sizeof(xSyncGetPriorityReply), (char *) &rep);
-
- return Success;
-}
-
-/*
- * ** Create a new counter
- */
-static int
-ProcSyncCreateCounter(ClientPtr client)
-{
- REQUEST(xSyncCreateCounterReq);
- CARD64 initial;
-
- REQUEST_SIZE_MATCH(xSyncCreateCounterReq);
-
- LEGAL_NEW_RESOURCE(stuff->cid, client);
-
- XSyncIntsToValue(&initial, stuff->initial_value_lo, stuff->initial_value_hi);
- if (!SyncCreateCounter(client, stuff->cid, initial))
- return BadAlloc;
-
- return Success;
-}
-
-/*
- * ** Set Counter value
- */
-static int
-ProcSyncSetCounter(ClientPtr client)
-{
- REQUEST(xSyncSetCounterReq);
- SyncCounter *pCounter;
- CARD64 newvalue;
- int rc;
-
- REQUEST_SIZE_MATCH(xSyncSetCounterReq);
-
- rc = dixLookupResourceByType((pointer *)&pCounter, stuff->cid, RTCounter,
- client, DixWriteAccess);
- if (rc != Success)
- return rc;
-
- if (IsSystemCounter(pCounter))
- {
- client->errorValue = stuff->cid;
- return BadAccess;
- }
-
- XSyncIntsToValue(&newvalue, stuff->value_lo, stuff->value_hi);
- SyncChangeCounter(pCounter, newvalue);
- return Success;
-}
-
-/*
- * ** Change Counter value
- */
-static int
-ProcSyncChangeCounter(ClientPtr client)
-{
- REQUEST(xSyncChangeCounterReq);
- SyncCounter *pCounter;
- CARD64 newvalue;
- Bool overflow;
- int rc;
-
- REQUEST_SIZE_MATCH(xSyncChangeCounterReq);
-
- rc = dixLookupResourceByType((pointer *)&pCounter, stuff->cid, RTCounter,
- client, DixWriteAccess);
- if (rc != Success)
- return rc;
-
- if (IsSystemCounter(pCounter))
- {
- client->errorValue = stuff->cid;
- return BadAccess;
- }
-
- XSyncIntsToValue(&newvalue, stuff->value_lo, stuff->value_hi);
- XSyncValueAdd(&newvalue, pCounter->value, newvalue, &overflow);
- if (overflow)
- {
- /* XXX 64 bit value can't fit in 32 bits; do the best we can */
- client->errorValue = stuff->value_hi;
- return BadValue;
- }
- SyncChangeCounter(pCounter, newvalue);
- return Success;
-}
-
-/*
- * ** Destroy a counter
- */
-static int
-ProcSyncDestroyCounter(ClientPtr client)
-{
- REQUEST(xSyncDestroyCounterReq);
- SyncCounter *pCounter;
- int rc;
-
- REQUEST_SIZE_MATCH(xSyncDestroyCounterReq);
-
- rc = dixLookupResourceByType((pointer *)&pCounter, stuff->counter, RTCounter,
- client, DixDestroyAccess);
- if (rc != Success)
- return rc;
-
- if (IsSystemCounter(pCounter))
- {
- client->errorValue = stuff->counter;
- return BadAccess;
- }
- FreeResource(pCounter->sync.id, RT_NONE);
- return Success;
-}
-
-static SyncAwaitUnion*
-SyncAwaitPrologue(ClientPtr client, int items)
-{
- SyncAwaitUnion *pAwaitUnion;
-
- /* all the memory for the entire await list is allocated
- * here in one chunk
- */
- pAwaitUnion = malloc((items+1) * sizeof(SyncAwaitUnion));
- if (!pAwaitUnion)
- return NULL;
-
- /* first item is the header, remainder are real wait conditions */
-
- pAwaitUnion->header.delete_id = FakeClientID(client->index);
- pAwaitUnion->header.client = client;
- pAwaitUnion->header.num_waitconditions = 0;
-
- if (!AddResource(pAwaitUnion->header.delete_id, RTAwait, pAwaitUnion))
- return NULL;
-
- return pAwaitUnion;
-}
-
-static void
-SyncAwaitEpilogue(ClientPtr client, int items, SyncAwaitUnion *pAwaitUnion)
-{
- SyncAwait *pAwait;
- int i;
-
- IgnoreClient(client);
-
- /* see if any of the triggers are already true */
-
- pAwait = &(pAwaitUnion+1)->await; /* skip over header */
- for (i = 0; i < items; i++, pAwait++)
- {
- CARD64 value;
-
- /* don't have to worry about NULL counters because the request
- * errors before we get here out if they occur
- */
- switch (pAwait->trigger.pSync->type) {
- case SYNC_COUNTER:
- value = ((SyncCounter *)pAwait->trigger.pSync)->value;
- break;
- default:
- XSyncIntToValue(&value, 0);
- }
-
- if ((*pAwait->trigger.CheckTrigger)(&pAwait->trigger, value))
- {
- (*pAwait->trigger.TriggerFired)(&pAwait->trigger);
- break; /* once is enough */
- }
- }
-}
-
-/*
- * ** Await
- */
-static int
-ProcSyncAwait(ClientPtr client)
-{
- REQUEST(xSyncAwaitReq);
- int len, items;
- int i;
- xSyncWaitCondition *pProtocolWaitConds;
- SyncAwaitUnion *pAwaitUnion;
- SyncAwait *pAwait;
- int status;
-
- REQUEST_AT_LEAST_SIZE(xSyncAwaitReq);
-
- len = client->req_len << 2;
- len -= sz_xSyncAwaitReq;
- items = len / sz_xSyncWaitCondition;
-
- if (items * sz_xSyncWaitCondition != len)
- {
- return BadLength;
- }
- if (items == 0)
- {
- client->errorValue = items; /* XXX protocol change */
- return BadValue;
- }
-
- if (!(pAwaitUnion = SyncAwaitPrologue(client, items)))
- return BadAlloc;
-
- /* don't need to do any more memory allocation for this request! */
-
- pProtocolWaitConds = (xSyncWaitCondition *) & stuff[1];
-
- pAwait = &(pAwaitUnion+1)->await; /* skip over header */
- for (i = 0; i < items; i++, pProtocolWaitConds++, pAwait++)
- {
- if (pProtocolWaitConds->counter == None) /* XXX protocol change */
- {
- /* this should take care of removing any triggers created by
- * this request that have already been registered on sync objects
- */
- FreeResource(pAwaitUnion->header.delete_id, RT_NONE);
- client->errorValue = pProtocolWaitConds->counter;
- return SyncErrorBase + XSyncBadCounter;
- }
-
- /* sanity checks are in SyncInitTrigger */
- pAwait->trigger.pSync = NULL;
- pAwait->trigger.value_type = pProtocolWaitConds->value_type;
- XSyncIntsToValue(&pAwait->trigger.wait_value,
- pProtocolWaitConds->wait_value_lo,
- pProtocolWaitConds->wait_value_hi);
- pAwait->trigger.test_type = pProtocolWaitConds->test_type;
-
- status = SyncInitTrigger(client, &pAwait->trigger,
- pProtocolWaitConds->counter, RTCounter,
- XSyncCAAllTrigger);
- if (status != Success)
- {
- /* this should take care of removing any triggers created by
- * this request that have already been registered on sync objects
- */
- FreeResource(pAwaitUnion->header.delete_id, RT_NONE);
- return status;
- }
- /* this is not a mistake -- same function works for both cases */
- pAwait->trigger.TriggerFired = SyncAwaitTriggerFired;
- pAwait->trigger.CounterDestroyed = SyncAwaitTriggerFired;
- XSyncIntsToValue(&pAwait->event_threshold,
- pProtocolWaitConds->event_threshold_lo,
- pProtocolWaitConds->event_threshold_hi);
- pAwait->pHeader = &pAwaitUnion->header;
- pAwaitUnion->header.num_waitconditions++;
- }
-
- SyncAwaitEpilogue(client, items, pAwaitUnion);
-
- return Success;
-}
-
-
-/*
- * ** Query a counter
- */
-static int
-ProcSyncQueryCounter(ClientPtr client)
-{
- REQUEST(xSyncQueryCounterReq);
- xSyncQueryCounterReply rep;
- SyncCounter *pCounter;
- int rc;
-
- REQUEST_SIZE_MATCH(xSyncQueryCounterReq);
-
- rc = dixLookupResourceByType((pointer *)&pCounter, stuff->counter,
- RTCounter, client, DixReadAccess);
- if (rc != Success)
- return rc;
-
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
-
- /* if system counter, ask it what the current value is */
-
- if (IsSystemCounter(pCounter))
- {
- (*pCounter->pSysCounterInfo->QueryValue) ((pointer) pCounter,
- &pCounter->value);
- }
-
- rep.value_hi = XSyncValueHigh32(pCounter->value);
- rep.value_lo = XSyncValueLow32(pCounter->value);
- if (client->swapped)
- {
- char n;
- swaps(&rep.sequenceNumber, n);
- swapl(&rep.length, n);
- swapl(&rep.value_hi, n);
- swapl(&rep.value_lo, n);
- }
- WriteToClient(client, sizeof(xSyncQueryCounterReply), (char *) &rep);
- return Success;
-}
-
-
-/*
- * ** Create Alarm
- */
-static int
-ProcSyncCreateAlarm(ClientPtr client)
-{
- REQUEST(xSyncCreateAlarmReq);
- SyncAlarm *pAlarm;
- int status;
- unsigned long len, vmask;
- SyncTrigger *pTrigger;
-
- REQUEST_AT_LEAST_SIZE(xSyncCreateAlarmReq);
-
- LEGAL_NEW_RESOURCE(stuff->id, client);
-
- vmask = stuff->valueMask;
- len = client->req_len - bytes_to_int32(sizeof(xSyncCreateAlarmReq));
- /* the "extra" call to Ones accounts for the presence of 64 bit values */
- if (len != (Ones(vmask) + Ones(vmask & (XSyncCAValue|XSyncCADelta))))
- return BadLength;
-
- if (!(pAlarm = malloc(sizeof(SyncAlarm))))
- {
- return BadAlloc;
- }
-
- /* set up defaults */
-
- pTrigger = &pAlarm->trigger;
- pTrigger->pSync = NULL;
- pTrigger->value_type = XSyncAbsolute;
- XSyncIntToValue(&pTrigger->wait_value, 0L);
- pTrigger->test_type = XSyncPositiveComparison;
- pTrigger->TriggerFired = SyncAlarmTriggerFired;
- pTrigger->CounterDestroyed = SyncAlarmCounterDestroyed;
- status = SyncInitTrigger(client, pTrigger, None, RTCounter,
- XSyncCAAllTrigger);
- if (status != Success)
- {
- free(pAlarm);
- return status;
- }
-
- pAlarm->client = client;
- pAlarm->alarm_id = stuff->id;
- XSyncIntToValue(&pAlarm->delta, 1L);
- pAlarm->events = TRUE;
- pAlarm->state = XSyncAlarmInactive;
- pAlarm->pEventClients = NULL;
- status = SyncChangeAlarmAttributes(client, pAlarm, vmask,
- (CARD32 *)&stuff[1]);
- if (status != Success)
- {
- free(pAlarm);
- return status;
- }
-
- if (!AddResource(stuff->id, RTAlarm, pAlarm))
- return BadAlloc;
-
- /* see if alarm already triggered. NULL counter will not trigger
- * in CreateAlarm and sets alarm state to Inactive.
- */
-
- if (!pTrigger->pSync)
- {
- pAlarm->state = XSyncAlarmInactive; /* XXX protocol change */
- }
- else
- {
- SyncCounter *pCounter;
-
- if (!SyncCheckWarnIsCounter(pTrigger->pSync,
- WARN_INVALID_COUNTER_ALARM))
- {
- FreeResource(stuff->id, RT_NONE);
- return BadAlloc;
- }
-
- pCounter = (SyncCounter *)pTrigger->pSync;
-
- if ((*pTrigger->CheckTrigger)(pTrigger, pCounter->value))
- (*pTrigger->TriggerFired)(pTrigger);
- }
-
- return Success;
-}
-
-/*
- * ** Change Alarm
- */
-static int
-ProcSyncChangeAlarm(ClientPtr client)
-{
- REQUEST(xSyncChangeAlarmReq);
- SyncAlarm *pAlarm;
- SyncCounter *pCounter = NULL;
- long vmask;
- int len, status;
-
- REQUEST_AT_LEAST_SIZE(xSyncChangeAlarmReq);
-
- status = dixLookupResourceByType((pointer *)&pAlarm, stuff->alarm, RTAlarm,
- client, DixWriteAccess);
- if (status != Success)
- return status;
-
- vmask = stuff->valueMask;
- len = client->req_len - bytes_to_int32(sizeof(xSyncChangeAlarmReq));
- /* the "extra" call to Ones accounts for the presence of 64 bit values */
- if (len != (Ones(vmask) + Ones(vmask & (XSyncCAValue|XSyncCADelta))))
- return BadLength;
-
- if ((status = SyncChangeAlarmAttributes(client, pAlarm, vmask,
- (CARD32 *)&stuff[1])) != Success)
- return status;
-
- if (SyncCheckWarnIsCounter(pAlarm->trigger.pSync,
- WARN_INVALID_COUNTER_ALARM))
- pCounter = (SyncCounter *)pAlarm->trigger.pSync;
-
- /* see if alarm already triggered. NULL counter WILL trigger
- * in ChangeAlarm.
- */
-
- if (!pCounter ||
- (*pAlarm->trigger.CheckTrigger)(&pAlarm->trigger, pCounter->value))
- {
- (*pAlarm->trigger.TriggerFired)(&pAlarm->trigger);
- }
- return Success;
-}
-
-static int
-ProcSyncQueryAlarm(ClientPtr client)
-{
- REQUEST(xSyncQueryAlarmReq);
- SyncAlarm *pAlarm;
- xSyncQueryAlarmReply rep;
- SyncTrigger *pTrigger;
- int rc;
-
- REQUEST_SIZE_MATCH(xSyncQueryAlarmReq);
-
- rc = dixLookupResourceByType((pointer *)&pAlarm, stuff->alarm, RTAlarm,
- client, DixReadAccess);
- if (rc != Success)
- return rc;
-
- rep.type = X_Reply;
- rep.length = bytes_to_int32(sizeof(xSyncQueryAlarmReply) - sizeof(xGenericReply));
- rep.sequenceNumber = client->sequence;
-
- pTrigger = &pAlarm->trigger;
- rep.counter = (pTrigger->pSync) ? pTrigger->pSync->id : None;
-
-#if 0 /* XXX unclear what to do, depends on whether relative value-types
- * are "consumed" immediately and are considered absolute from then
- * on.
- */
- rep.value_type = pTrigger->value_type;
- rep.wait_value_hi = XSyncValueHigh32(pTrigger->wait_value);
- rep.wait_value_lo = XSyncValueLow32(pTrigger->wait_value);
-#else
- rep.value_type = XSyncAbsolute;
- rep.wait_value_hi = XSyncValueHigh32(pTrigger->test_value);
- rep.wait_value_lo = XSyncValueLow32(pTrigger->test_value);
-#endif
-
- rep.test_type = pTrigger->test_type;
- rep.delta_hi = XSyncValueHigh32(pAlarm->delta);
- rep.delta_lo = XSyncValueLow32(pAlarm->delta);
- rep.events = pAlarm->events;
- rep.state = pAlarm->state;
-
- if (client->swapped)
- {
- char n;
- swaps(&rep.sequenceNumber, n);
- swapl(&rep.length, n);
- swapl(&rep.counter, n);
- swapl(&rep.wait_value_hi, n);
- swapl(&rep.wait_value_lo, n);
- swapl(&rep.test_type, n);
- swapl(&rep.delta_hi, n);
- swapl(&rep.delta_lo, n);
- }
-
- WriteToClient(client, sizeof(xSyncQueryAlarmReply), (char *) &rep);
- return Success;
-}
-
-static int
-ProcSyncDestroyAlarm(ClientPtr client)
-{
- SyncAlarm *pAlarm;
- int rc;
- REQUEST(xSyncDestroyAlarmReq);
-
- REQUEST_SIZE_MATCH(xSyncDestroyAlarmReq);
-
- rc = dixLookupResourceByType((pointer *)&pAlarm, stuff->alarm, RTAlarm,
- client, DixDestroyAccess);
- if (rc != Success)
- return rc;
-
- FreeResource(stuff->alarm, RT_NONE);
- return Success;
-}
-
-static int
-ProcSyncCreateFence(ClientPtr client)
-{
- REQUEST(xSyncCreateFenceReq);
- DrawablePtr pDraw;
- SyncFence *pFence;
- int rc;
-
- REQUEST_SIZE_MATCH(xSyncCreateFenceReq);
-
- rc = dixLookupDrawable(&pDraw, stuff->d, client, M_ANY, DixGetAttrAccess);
- if (rc != Success)
- return rc;
-
- LEGAL_NEW_RESOURCE(stuff->fid, client);
-
- if (!(pFence = (SyncFence *)SyncCreate(client,
- stuff->fid,
- SYNC_FENCE)))
- return BadAlloc;
-
- miSyncInitFence(pDraw->pScreen, pFence, stuff->initially_triggered);
-
- if (!AddResource(stuff->fid, RTFence, (pointer) pFence))
- return BadAlloc;
-
- return client->noClientException;
-}
-
-static int
-FreeFence(void *obj, XID id)
-{
- SyncFence *pFence = (SyncFence *) obj;
-
- miSyncDestroyFence(pFence);
-
- return Success;
-}
-
-int SyncVerifyFence(SyncFence **ppSyncFence, XID fid,
- ClientPtr client, Mask mode)
-{
- int rc = dixLookupResourceByType((pointer *)ppSyncFence, fid, RTFence,
- client, mode);
-
- if (rc != Success)
- client->errorValue = fid;
-
- return rc;
-}
-
-static int
-ProcSyncTriggerFence(ClientPtr client)
-{
- REQUEST(xSyncTriggerFenceReq);
- SyncFence *pFence;
- int rc;
-
- REQUEST_SIZE_MATCH(xSyncTriggerFenceReq);
-
- rc = dixLookupResourceByType((pointer *)&pFence, stuff->fid, RTFence,
- client, DixWriteAccess);
- if (rc != Success)
- return rc;
-
- miSyncTriggerFence(pFence);
-
- return client->noClientException;
-}
-
-static int
-ProcSyncResetFence(ClientPtr client)
-{
- REQUEST(xSyncResetFenceReq);
- SyncFence *pFence;
- int rc;
-
- REQUEST_SIZE_MATCH(xSyncResetFenceReq);
-
- rc = dixLookupResourceByType((pointer *)&pFence, stuff->fid, RTFence,
- client, DixWriteAccess);
- if (rc != Success)
- return rc;
-
- if (pFence->funcs.CheckTriggered(pFence) != TRUE)
- return BadMatch;
-
- pFence->funcs.Reset(pFence);
-
- return client->noClientException;
-}
-
-static int
-ProcSyncDestroyFence(ClientPtr client)
-{
- REQUEST(xSyncDestroyFenceReq);
- SyncFence *pFence;
- int rc;
-
- REQUEST_SIZE_MATCH(xSyncDestroyFenceReq);
-
- rc = dixLookupResourceByType((pointer *)&pFence, stuff->fid, RTFence,
- client, DixDestroyAccess);
- if (rc != Success)
- return rc;
-
- FreeResource(stuff->fid, RT_NONE);
- return client->noClientException;
-}
-
-static int
-ProcSyncQueryFence(ClientPtr client)
-{
- REQUEST(xSyncQueryFenceReq);
- xSyncQueryFenceReply rep;
- SyncFence *pFence;
- int rc;
-
- REQUEST_SIZE_MATCH(xSyncQueryFenceReq);
-
- rc = dixLookupResourceByType((pointer *)&pFence, stuff->fid,
- RTFence, client, DixReadAccess);
- if (rc != Success)
- return rc;
-
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
-
- rep.triggered = pFence->funcs.CheckTriggered(pFence);
-
- if (client->swapped)
- {
- char n;
- swaps(&rep.sequenceNumber, n);
- swapl(&rep.length, n);
- }
-
- WriteToClient(client, sizeof(xSyncQueryFenceReply), (char *) &rep);
- return client->noClientException;
-}
-
-static int
-ProcSyncAwaitFence(ClientPtr client)
-{
- REQUEST(xSyncAwaitFenceReq);
- SyncAwaitUnion *pAwaitUnion;
- SyncAwait *pAwait;
- /* Use CARD32 rather than XSyncFence because XIDs are hard-coded to
- * CARD32 in protocol definitions */
- CARD32 *pProtocolFences;
- int status;
- int len;
- int items;
- int i;
-
- REQUEST_AT_LEAST_SIZE(xSyncAwaitFenceReq);
-
- len = client->req_len << 2;
- len -= sz_xSyncAwaitFenceReq;
- items = len / sizeof(CARD32);
-
- if (items * sizeof(CARD32) != len)
- {
- return BadLength;
- }
- if (items == 0)
- {
- client->errorValue = items;
- return BadValue;
- }
-
- if (!(pAwaitUnion = SyncAwaitPrologue(client, items)))
- return BadAlloc;
-
- /* don't need to do any more memory allocation for this request! */
-
- pProtocolFences = (CARD32 *) & stuff[1];
-
- pAwait = &(pAwaitUnion+1)->await; /* skip over header */
- for (i = 0; i < items; i++, pProtocolFences++, pAwait++)
- {
- if (*pProtocolFences == None)
- {
- /* this should take care of removing any triggers created by
- * this request that have already been registered on sync objects
- */
- FreeResource(pAwaitUnion->header.delete_id, RT_NONE);
- client->errorValue = *pProtocolFences;
- return SyncErrorBase + XSyncBadFence;
- }
-
- pAwait->trigger.pSync = NULL;
- /* Provide acceptable values for these unused fields to
- * satisfy SyncInitTrigger's validation logic
- */
- pAwait->trigger.value_type = XSyncAbsolute;
- XSyncIntToValue(&pAwait->trigger.wait_value, 0);
- pAwait->trigger.test_type = 0;
-
- status = SyncInitTrigger(client, &pAwait->trigger,
- *pProtocolFences, RTFence,
- XSyncCAAllTrigger);
- if (status != Success)
- {
- /* this should take care of removing any triggers created by
- * this request that have already been registered on sync objects
- */
- FreeResource(pAwaitUnion->header.delete_id, RT_NONE);
- return status;
- }
- /* this is not a mistake -- same function works for both cases */
- pAwait->trigger.TriggerFired = SyncAwaitTriggerFired;
- pAwait->trigger.CounterDestroyed = SyncAwaitTriggerFired;
- /* event_threshold is unused for fence syncs */
- XSyncIntToValue(&pAwait->event_threshold, 0);
- pAwait->pHeader = &pAwaitUnion->header;
- pAwaitUnion->header.num_waitconditions++;
- }
-
- SyncAwaitEpilogue(client, items, pAwaitUnion);
-
- return client->noClientException;
-}
-
-/*
- * ** Given an extension request, call the appropriate request procedure
- */
-static int
-ProcSyncDispatch(ClientPtr client)
-{
- REQUEST(xReq);
-
- switch (stuff->data)
- {
- case X_SyncInitialize:
- return ProcSyncInitialize(client);
- case X_SyncListSystemCounters:
- return ProcSyncListSystemCounters(client);
- case X_SyncCreateCounter:
- return ProcSyncCreateCounter(client);
- case X_SyncSetCounter:
- return ProcSyncSetCounter(client);
- case X_SyncChangeCounter:
- return ProcSyncChangeCounter(client);
- case X_SyncQueryCounter:
- return ProcSyncQueryCounter(client);
- case X_SyncDestroyCounter:
- return ProcSyncDestroyCounter(client);
- case X_SyncAwait:
- return ProcSyncAwait(client);
- case X_SyncCreateAlarm:
- return ProcSyncCreateAlarm(client);
- case X_SyncChangeAlarm:
- return ProcSyncChangeAlarm(client);
- case X_SyncQueryAlarm:
- return ProcSyncQueryAlarm(client);
- case X_SyncDestroyAlarm:
- return ProcSyncDestroyAlarm(client);
- case X_SyncSetPriority:
- return ProcSyncSetPriority(client);
- case X_SyncGetPriority:
- return ProcSyncGetPriority(client);
- case X_SyncCreateFence:
- return ProcSyncCreateFence(client);
- case X_SyncTriggerFence:
- return ProcSyncTriggerFence(client);
- case X_SyncResetFence:
- return ProcSyncResetFence(client);
- case X_SyncDestroyFence:
- return ProcSyncDestroyFence(client);
- case X_SyncQueryFence:
- return ProcSyncQueryFence(client);
- case X_SyncAwaitFence:
- return ProcSyncAwaitFence(client);
- default:
- return BadRequest;
- }
-}
-
-/*
- * Boring Swapping stuff ...
- */
-
-static int
-SProcSyncInitialize(ClientPtr client)
-{
- REQUEST(xSyncInitializeReq);
- char n;
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH (xSyncInitializeReq);
-
- return ProcSyncInitialize(client);
-}
-
-static int
-SProcSyncListSystemCounters(ClientPtr client)
-{
- REQUEST(xSyncListSystemCountersReq);
- char n;
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH (xSyncListSystemCountersReq);
-
- return ProcSyncListSystemCounters(client);
-}
-
-static int
-SProcSyncCreateCounter(ClientPtr client)
-{
- REQUEST(xSyncCreateCounterReq);
- char n;
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH (xSyncCreateCounterReq);
- swapl(&stuff->cid, n);
- swapl(&stuff->initial_value_lo, n);
- swapl(&stuff->initial_value_hi, n);
-
- return ProcSyncCreateCounter(client);
-}
-
-static int
-SProcSyncSetCounter(ClientPtr client)
-{
- REQUEST(xSyncSetCounterReq);
- char n;
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH (xSyncSetCounterReq);
- swapl(&stuff->cid, n);
- swapl(&stuff->value_lo, n);
- swapl(&stuff->value_hi, n);
-
- return ProcSyncSetCounter(client);
-}
-
-static int
-SProcSyncChangeCounter(ClientPtr client)
-{
- REQUEST(xSyncChangeCounterReq);
- char n;
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH (xSyncChangeCounterReq);
- swapl(&stuff->cid, n);
- swapl(&stuff->value_lo, n);
- swapl(&stuff->value_hi, n);
-
- return ProcSyncChangeCounter(client);
-}
-
-static int
-SProcSyncQueryCounter(ClientPtr client)
-{
- REQUEST(xSyncQueryCounterReq);
- char n;
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH (xSyncQueryCounterReq);
- swapl(&stuff->counter, n);
-
- return ProcSyncQueryCounter(client);
-}
-
-static int
-SProcSyncDestroyCounter(ClientPtr client)
-{
- REQUEST(xSyncDestroyCounterReq);
- char n;
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH (xSyncDestroyCounterReq);
- swapl(&stuff->counter, n);
-
- return ProcSyncDestroyCounter(client);
-}
-
-static int
-SProcSyncAwait(ClientPtr client)
-{
- REQUEST(xSyncAwaitReq);
- char n;
-
- swaps(&stuff->length, n);
- REQUEST_AT_LEAST_SIZE(xSyncAwaitReq);
- SwapRestL(stuff);
-
- return ProcSyncAwait(client);
-}
-
-static int
-SProcSyncCreateAlarm(ClientPtr client)
-{
- REQUEST(xSyncCreateAlarmReq);
- char n;
-
- swaps(&stuff->length, n);
- REQUEST_AT_LEAST_SIZE(xSyncCreateAlarmReq);
- swapl(&stuff->id, n);
- swapl(&stuff->valueMask, n);
- SwapRestL(stuff);
-
- return ProcSyncCreateAlarm(client);
-}
-
-static int
-SProcSyncChangeAlarm(ClientPtr client)
-{
- REQUEST(xSyncChangeAlarmReq);
- char n;
-
- swaps(&stuff->length, n);
- REQUEST_AT_LEAST_SIZE(xSyncChangeAlarmReq);
- swapl(&stuff->alarm, n);
- swapl(&stuff->valueMask, n);
- SwapRestL(stuff);
- return ProcSyncChangeAlarm(client);
-}
-
-static int
-SProcSyncQueryAlarm(ClientPtr client)
-{
- REQUEST(xSyncQueryAlarmReq);
- char n;
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH (xSyncQueryAlarmReq);
- swapl(&stuff->alarm, n);
-
- return ProcSyncQueryAlarm(client);
-}
-
-static int
-SProcSyncDestroyAlarm(ClientPtr client)
-{
- REQUEST(xSyncDestroyAlarmReq);
- char n;
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH (xSyncDestroyAlarmReq);
- swapl(&stuff->alarm, n);
-
- return ProcSyncDestroyAlarm(client);
-}
-
-static int
-SProcSyncSetPriority(ClientPtr client)
-{
- REQUEST(xSyncSetPriorityReq);
- char n;
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH (xSyncSetPriorityReq);
- swapl(&stuff->id, n);
- swapl(&stuff->priority, n);
-
- return ProcSyncSetPriority(client);
-}
-
-static int
-SProcSyncGetPriority(ClientPtr client)
-{
- REQUEST(xSyncGetPriorityReq);
- char n;
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH (xSyncGetPriorityReq);
- swapl(&stuff->id, n);
-
- return ProcSyncGetPriority(client);
-}
-
-static int
-SProcSyncCreateFence(ClientPtr client)
-{
- REQUEST(xSyncCreateFenceReq);
- char n;
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH (xSyncCreateFenceReq);
- swapl(&stuff->fid, n);
-
- return ProcSyncCreateFence(client);
-}
-
-static int
-SProcSyncTriggerFence(ClientPtr client)
-{
- REQUEST(xSyncTriggerFenceReq);
- char n;
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH (xSyncTriggerFenceReq);
- swapl(&stuff->fid, n);
-
- return ProcSyncTriggerFence(client);
-}
-
-static int
-SProcSyncResetFence(ClientPtr client)
-{
- REQUEST(xSyncResetFenceReq);
- char n;
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH (xSyncResetFenceReq);
- swapl(&stuff->fid, n);
-
- return ProcSyncResetFence(client);
-}
-
-static int
-SProcSyncDestroyFence(ClientPtr client)
-{
- REQUEST(xSyncDestroyFenceReq);
- char n;
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH (xSyncDestroyFenceReq);
- swapl(&stuff->fid, n);
-
- return ProcSyncDestroyFence(client);
-}
-
-static int
-SProcSyncQueryFence(ClientPtr client)
-{
- REQUEST(xSyncQueryFenceReq);
- char n;
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH (xSyncQueryFenceReq);
- swapl(&stuff->fid, n);
-
- return ProcSyncQueryFence(client);
-}
-
-static int
-SProcSyncAwaitFence(ClientPtr client)
-{
- REQUEST(xSyncAwaitFenceReq);
- char n;
-
- swaps(&stuff->length, n);
- REQUEST_AT_LEAST_SIZE(xSyncAwaitFenceReq);
- SwapRestL(stuff);
-
- return ProcSyncAwaitFence(client);
-}
-
-static int
-SProcSyncDispatch(ClientPtr client)
-{
- REQUEST(xReq);
-
- switch (stuff->data)
- {
- case X_SyncInitialize:
- return SProcSyncInitialize(client);
- case X_SyncListSystemCounters:
- return SProcSyncListSystemCounters(client);
- case X_SyncCreateCounter:
- return SProcSyncCreateCounter(client);
- case X_SyncSetCounter:
- return SProcSyncSetCounter(client);
- case X_SyncChangeCounter:
- return SProcSyncChangeCounter(client);
- case X_SyncQueryCounter:
- return SProcSyncQueryCounter(client);
- case X_SyncDestroyCounter:
- return SProcSyncDestroyCounter(client);
- case X_SyncAwait:
- return SProcSyncAwait(client);
- case X_SyncCreateAlarm:
- return SProcSyncCreateAlarm(client);
- case X_SyncChangeAlarm:
- return SProcSyncChangeAlarm(client);
- case X_SyncQueryAlarm:
- return SProcSyncQueryAlarm(client);
- case X_SyncDestroyAlarm:
- return SProcSyncDestroyAlarm(client);
- case X_SyncSetPriority:
- return SProcSyncSetPriority(client);
- case X_SyncGetPriority:
- return SProcSyncGetPriority(client);
- case X_SyncCreateFence:
- return SProcSyncCreateFence(client);
- case X_SyncTriggerFence:
- return SProcSyncTriggerFence(client);
- case X_SyncResetFence:
- return SProcSyncResetFence(client);
- case X_SyncDestroyFence:
- return SProcSyncDestroyFence(client);
- case X_SyncQueryFence:
- return SProcSyncQueryFence(client);
- case X_SyncAwaitFence:
- return SProcSyncAwaitFence(client);
- default:
- return BadRequest;
- }
-}
-
-/*
- * Event Swapping
- */
-
-static void
-SCounterNotifyEvent(xSyncCounterNotifyEvent *from, xSyncCounterNotifyEvent *to)
-{
- to->type = from->type;
- to->kind = from->kind;
- cpswaps(from->sequenceNumber, to->sequenceNumber);
- cpswapl(from->counter, to->counter);
- cpswapl(from->wait_value_lo, to->wait_value_lo);
- cpswapl(from->wait_value_hi, to->wait_value_hi);
- cpswapl(from->counter_value_lo, to->counter_value_lo);
- cpswapl(from->counter_value_hi, to->counter_value_hi);
- cpswapl(from->time, to->time);
- cpswaps(from->count, to->count);
- to->destroyed = from->destroyed;
-}
-
-
-static void
-SAlarmNotifyEvent(xSyncAlarmNotifyEvent *from, xSyncAlarmNotifyEvent *to)
-{
- to->type = from->type;
- to->kind = from->kind;
- cpswaps(from->sequenceNumber, to->sequenceNumber);
- cpswapl(from->alarm, to->alarm);
- cpswapl(from->counter_value_lo, to->counter_value_lo);
- cpswapl(from->counter_value_hi, to->counter_value_hi);
- cpswapl(from->alarm_value_lo, to->alarm_value_lo);
- cpswapl(from->alarm_value_hi, to->alarm_value_hi);
- cpswapl(from->time, to->time);
- to->state = from->state;
-}
-
-/*
- * ** Close everything down. ** This is fairly simple for now.
- */
-/* ARGSUSED */
-static void
-SyncResetProc(ExtensionEntry *extEntry)
-{
- free(SysCounterList);
- SysCounterList = NULL;
- RTCounter = 0;
-}
-
-/*
- * ** Initialise the extension.
- */
-void
-SyncExtensionInit(void)
-{
- ExtensionEntry *extEntry;
- int s;
-
- for (s = 0; s < screenInfo.numScreens; s++)
- miSyncSetup(screenInfo.screens[s]);
-
- if (RTCounter == 0)
- {
- RTCounter = CreateNewResourceType(FreeCounter, "SyncCounter");
- }
- RTAlarm = CreateNewResourceType(FreeAlarm, "SyncAlarm");
- RTAwait = CreateNewResourceType(FreeAwait, "SyncAwait");
- RTFence = CreateNewResourceType(FreeFence, "SyncFence");
- if (RTAwait)
- RTAwait |= RC_NEVERRETAIN;
- RTAlarmClient = CreateNewResourceType(FreeAlarmClient, "SyncAlarmClient");
- if (RTAlarmClient)
- RTAlarmClient |= RC_NEVERRETAIN;
-
- if (RTCounter == 0 || RTAwait == 0 || RTAlarm == 0 ||
- RTAlarmClient == 0 ||
- (extEntry = AddExtension(SYNC_NAME,
- XSyncNumberEvents, XSyncNumberErrors,
- ProcSyncDispatch, SProcSyncDispatch,
- SyncResetProc,
- StandardMinorOpcode)) == NULL)
- {
- ErrorF("Sync Extension %d.%d failed to Initialise\n",
- SYNC_MAJOR_VERSION, SYNC_MINOR_VERSION);
- return;
- }
-
- SyncEventBase = extEntry->eventBase;
- SyncErrorBase = extEntry->errorBase;
- EventSwapVector[SyncEventBase + XSyncCounterNotify] = (EventSwapPtr) SCounterNotifyEvent;
- EventSwapVector[SyncEventBase + XSyncAlarmNotify] = (EventSwapPtr) SAlarmNotifyEvent;
-
- SetResourceTypeErrorValue(RTCounter, SyncErrorBase + XSyncBadCounter);
- SetResourceTypeErrorValue(RTAlarm, SyncErrorBase + XSyncBadAlarm);
- SetResourceTypeErrorValue(RTFence, SyncErrorBase + XSyncBadFence);
-
- /*
- * Although SERVERTIME is implemented by the OS layer, we initialise it
- * here because doing it in OsInit() is too early. The resource database
- * is not initialised when OsInit() is called. This is just about OK
- * because there is always a servertime counter.
- */
- SyncInitServerTime();
- SyncInitIdleTime();
-
-#ifdef DEBUG
- fprintf(stderr, "Sync Extension %d.%d\n",
- SYNC_MAJOR_VERSION, SYNC_MINOR_VERSION);
-#endif
-}
-
-
-/*
- * ***** SERVERTIME implementation - should go in its own file in OS directory?
- */
-
-
-
-static pointer ServertimeCounter;
-static XSyncValue Now;
-static XSyncValue *pnext_time;
-
-#define GetTime()\
-{\
- unsigned long millis = GetTimeInMillis();\
- unsigned long maxis = XSyncValueHigh32(Now);\
- if (millis < XSyncValueLow32(Now)) maxis++;\
- XSyncIntsToValue(&Now, millis, maxis);\
-}
-
-/*
-*** Server Block Handler
-*** code inspired by multibuffer extension (now deprecated)
- */
-/*ARGSUSED*/
-static void
-ServertimeBlockHandler(void *env, struct timeval **wt, void *LastSelectMask)
-{
- XSyncValue delay;
- unsigned long timeout;
-
- if (pnext_time)
- {
- GetTime();
-
- if (XSyncValueGreaterOrEqual(Now, *pnext_time))
- {
- timeout = 0;
- }
- else
- {
- Bool overflow;
- XSyncValueSubtract(&delay, *pnext_time, Now, &overflow);
- (void)overflow;
- timeout = XSyncValueLow32(delay);
- }
- AdjustWaitForDelay(wt, timeout); /* os/utils.c */
- }
-}
-
-/*
-*** Wakeup Handler
- */
-/*ARGSUSED*/
-static void
-ServertimeWakeupHandler(void *env, int rc, void *LastSelectMask)
-{
- if (pnext_time)
- {
- GetTime();
-
- if (XSyncValueGreaterOrEqual(Now, *pnext_time))
- {
- SyncChangeCounter(ServertimeCounter, Now);
- }
- }
-}
-
-static void
-ServertimeQueryValue(void *pCounter, CARD64 *pValue_return)
-{
- GetTime();
- *pValue_return = Now;
-}
-
-static void
-ServertimeBracketValues(void *pCounter, CARD64 *pbracket_less,
- CARD64 *pbracket_greater)
-{
- if (!pnext_time && pbracket_greater)
- {
- RegisterBlockAndWakeupHandlers(ServertimeBlockHandler,
- ServertimeWakeupHandler,
- NULL);
- }
- else if (pnext_time && !pbracket_greater)
- {
- RemoveBlockAndWakeupHandlers(ServertimeBlockHandler,
- ServertimeWakeupHandler,
- NULL);
- }
- pnext_time = pbracket_greater;
-}
-
-static void
-SyncInitServerTime(void)
-{
- CARD64 resolution;
-
- XSyncIntsToValue(&Now, GetTimeInMillis(), 0);
- XSyncIntToValue(&resolution, 4);
- ServertimeCounter = SyncCreateSystemCounter("SERVERTIME", Now, resolution,
- XSyncCounterNeverDecreases,
- ServertimeQueryValue, ServertimeBracketValues);
- pnext_time = NULL;
-}
-
-
-
-/*
- * IDLETIME implementation
- */
-
-static SyncCounter *IdleTimeCounter;
-static XSyncValue *pIdleTimeValueLess;
-static XSyncValue *pIdleTimeValueGreater;
-
-static void
-IdleTimeQueryValue (pointer pCounter, CARD64 *pValue_return)
-{
- CARD32 idle = GetTimeInMillis() - lastDeviceEventTime.milliseconds;
- XSyncIntsToValue (pValue_return, idle, 0);
-}
-
-static void
-IdleTimeBlockHandler(pointer env, struct timeval **wt, pointer LastSelectMask)
-{
- XSyncValue idle, old_idle;
- SyncTriggerList *list = IdleTimeCounter->sync.pTriglist;
- SyncTrigger *trig;
-
- if (!pIdleTimeValueLess && !pIdleTimeValueGreater)
- return;
-
- old_idle = IdleTimeCounter->value;
- IdleTimeQueryValue (NULL, &idle);
- IdleTimeCounter->value = idle; /* push, so CheckTrigger works */
-
- if (pIdleTimeValueLess &&
- XSyncValueLessOrEqual (idle, *pIdleTimeValueLess))
- {
- /*
- * We've been idle for less than the threshold value, and someone
- * wants to know about that, but now we need to know whether they
- * want level or edge trigger. Check the trigger list against the
- * current idle time, and if any succeed, bomb out of select()
- * immediately so we can reschedule.
- */
-
- for (list = IdleTimeCounter->sync.pTriglist; list; list = list->next) {
- trig = list->pTrigger;
- if (trig->CheckTrigger(trig, old_idle)) {
- AdjustWaitForDelay(wt, 0);
- break;
- }
- }
- /*
- * We've been called exactly on the idle time, but we have a
- * NegativeTransition trigger which requires a transition from an
- * idle time greater than this. Schedule a wakeup for the next
- * millisecond so we won't miss a transition.
- */
- if (XSyncValueEqual (idle, *pIdleTimeValueLess))
- AdjustWaitForDelay(wt, 1);
- }
- else if (pIdleTimeValueGreater)
- {
- /*
- * There's a threshold in the positive direction. If we've been
- * idle less than it, schedule a wakeup for sometime in the future.
- * If we've been idle more than it, and someone wants to know about
- * that level-triggered, schedule an immediate wakeup.
- */
- unsigned long timeout = -1;
-
- if (XSyncValueLessThan (idle, *pIdleTimeValueGreater)) {
- XSyncValue value;
- Bool overflow;
-
- XSyncValueSubtract (&value, *pIdleTimeValueGreater,
- idle, &overflow);
- timeout = min(timeout, XSyncValueLow32 (value));
- } else {
- for (list = IdleTimeCounter->sync.pTriglist; list; list = list->next) {
- trig = list->pTrigger;
- if (trig->CheckTrigger(trig, old_idle)) {
- timeout = min(timeout, 0);
- break;
- }
- }
- }
-
- AdjustWaitForDelay (wt, timeout);
- }
-
- IdleTimeCounter->value = old_idle; /* pop */
-}
-
-static void
-IdleTimeWakeupHandler (pointer env, int rc, pointer LastSelectMask)
-{
- XSyncValue idle;
-
- if (!pIdleTimeValueLess && !pIdleTimeValueGreater)
- return;
-
- IdleTimeQueryValue (NULL, &idle);
-
- if ((pIdleTimeValueGreater &&
- XSyncValueGreaterOrEqual (idle, *pIdleTimeValueGreater)) ||
- (pIdleTimeValueLess &&
- XSyncValueLessOrEqual (idle, *pIdleTimeValueLess)))
- {
- SyncChangeCounter (IdleTimeCounter, idle);
- }
-}
-
-static void
-IdleTimeBracketValues (pointer pCounter, CARD64 *pbracket_less,
- CARD64 *pbracket_greater)
-{
- Bool registered = (pIdleTimeValueLess || pIdleTimeValueGreater);
-
- if (registered && !pbracket_less && !pbracket_greater)
- {
- RemoveBlockAndWakeupHandlers(IdleTimeBlockHandler,
- IdleTimeWakeupHandler,
- NULL);
- }
- else if (!registered && (pbracket_less || pbracket_greater))
- {
- RegisterBlockAndWakeupHandlers(IdleTimeBlockHandler,
- IdleTimeWakeupHandler,
- NULL);
- }
-
- pIdleTimeValueGreater = pbracket_greater;
- pIdleTimeValueLess = pbracket_less;
-}
-
-static void
-SyncInitIdleTime (void)
-{
- CARD64 resolution;
- XSyncValue idle;
-
- IdleTimeQueryValue (NULL, &idle);
- XSyncIntToValue (&resolution, 4);
-
- IdleTimeCounter = SyncCreateSystemCounter ("IDLETIME", idle, resolution,
- XSyncCounterUnrestricted,
- IdleTimeQueryValue,
- IdleTimeBracketValues);
-
- pIdleTimeValueLess = pIdleTimeValueGreater = NULL;
-}
+/*
+
+Copyright 1991, 1993, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from The Open Group.
+
+
+Copyright 1991, 1993 by Digital Equipment Corporation, Maynard, Massachusetts,
+and Olivetti Research Limited, Cambridge, England.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the names of Digital or Olivetti
+not be used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission. Digital and Olivetti
+make no representations about the suitability of this software
+for any purpose. It is provided "as is" without express or implied warranty.
+
+DIGITAL AND OLIVETTI DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
+SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS, IN NO EVENT SHALL THEY BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
+USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+
+*/
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <string.h>
+
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include <X11/Xmd.h>
+#include "scrnintstr.h"
+#include "os.h"
+#include "extnsionst.h"
+#include "dixstruct.h"
+#include "pixmapstr.h"
+#include "resource.h"
+#include "opaque.h"
+#include <X11/extensions/syncproto.h>
+#include "syncsrv.h"
+#include "syncsdk.h"
+#include "protocol-versions.h"
+
+#include <stdio.h>
+#if !defined(WIN32)
+#include <sys/time.h>
+#endif
+
+#include "modinit.h"
+
+/*
+ * Local Global Variables
+ */
+static int SyncEventBase;
+static int SyncErrorBase;
+static RESTYPE RTCounter = 0;
+static RESTYPE RTAwait;
+static RESTYPE RTAlarm;
+static RESTYPE RTAlarmClient;
+static RESTYPE RTFence;
+static int SyncNumSystemCounters = 0;
+static SyncCounter **SysCounterList = NULL;
+static int SyncNumInvalidCounterWarnings = 0;
+#define MAX_INVALID_COUNTER_WARNINGS 5
+
+static const char *WARN_INVALID_COUNTER_COMPARE =
+"Warning: Non-counter XSync object using Counter-only\n"
+" comparison. Result will never be true.\n";
+
+static const char *WARN_INVALID_COUNTER_ALARM =
+"Warning: Non-counter XSync object used in alarm. This is\n"
+" the result of a programming error in the X server.\n";
+
+#define IsSystemCounter(pCounter) \
+ (pCounter && (pCounter->sync.client == NULL))
+
+/* these are all the alarm attributes that pertain to the alarm's trigger */
+#define XSyncCAAllTrigger \
+ (XSyncCACounter | XSyncCAValueType | XSyncCAValue | XSyncCATestType)
+
+static void SyncComputeBracketValues(SyncCounter *);
+
+static void SyncInitServerTime(void);
+
+static void SyncInitIdleTime(void);
+
+static Bool
+SyncCheckWarnIsCounter(const SyncObject* pSync, const char *warning)
+{
+ if (pSync && (SYNC_COUNTER != pSync->type))
+ {
+ if (SyncNumInvalidCounterWarnings++ < MAX_INVALID_COUNTER_WARNINGS)
+ {
+ ErrorF("%s", warning);
+ ErrorF(" Counter type: %d\n", pSync->type);
+ }
+
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+/* Each counter maintains a simple linked list of triggers that are
+ * interested in the counter. The two functions below are used to
+ * delete and add triggers on this list.
+ */
+static void
+SyncDeleteTriggerFromSyncObject(SyncTrigger *pTrigger)
+{
+ SyncTriggerList *pCur;
+ SyncTriggerList *pPrev;
+ SyncCounter *pCounter;
+
+ /* pSync needs to be stored in pTrigger before calling here. */
+
+ if (!pTrigger->pSync)
+ return;
+
+ pPrev = NULL;
+ pCur = pTrigger->pSync->pTriglist;
+
+ while (pCur)
+ {
+ if (pCur->pTrigger == pTrigger)
+ {
+ if (pPrev)
+ pPrev->next = pCur->next;
+ else
+ pTrigger->pSync->pTriglist = pCur->next;
+
+ free(pCur);
+ break;
+ }
+
+ pPrev = pCur;
+ pCur = pCur->next;
+ }
+
+ if (SYNC_COUNTER == pTrigger->pSync->type)
+ {
+ pCounter = (SyncCounter *)pTrigger->pSync;
+
+ if (IsSystemCounter(pCounter))
+ SyncComputeBracketValues(pCounter);
+ } else if (SYNC_FENCE == pTrigger->pSync->type) {
+ SyncFence* pFence = (SyncFence*) pTrigger->pSync;
+ pFence->funcs.DeleteTrigger(pTrigger);
+ }
+}
+
+
+static int
+SyncAddTriggerToSyncObject(SyncTrigger *pTrigger)
+{
+ SyncTriggerList *pCur;
+ SyncCounter *pCounter;
+
+ if (!pTrigger->pSync)
+ return Success;
+
+ /* don't do anything if it's already there */
+ for (pCur = pTrigger->pSync->pTriglist; pCur; pCur = pCur->next)
+ {
+ if (pCur->pTrigger == pTrigger)
+ return Success;
+ }
+
+ if (!(pCur = malloc(sizeof(SyncTriggerList))))
+ return BadAlloc;
+
+ pCur->pTrigger = pTrigger;
+ pCur->next = pTrigger->pSync->pTriglist;
+ pTrigger->pSync->pTriglist = pCur;
+
+ if (SYNC_COUNTER == pTrigger->pSync->type)
+ {
+ pCounter = (SyncCounter *)pTrigger->pSync;
+
+ if (IsSystemCounter(pCounter))
+ SyncComputeBracketValues(pCounter);
+ } else if (SYNC_FENCE == pTrigger->pSync->type) {
+ SyncFence* pFence = (SyncFence*) pTrigger->pSync;
+ pFence->funcs.AddTrigger(pTrigger);
+ }
+
+ return Success;
+}
+
+
+/* Below are five possible functions that can be plugged into
+ * pTrigger->CheckTrigger for counter sync objects, corresponding to
+ * the four possible test-types, and the one possible function that
+ * can be plugged into pTrigger->CheckTrigger for fence sync objects.
+ * These functions are called after the sync object's state changes
+ * but are also passed the old state so they can inspect both the old
+ * and new values. (PositiveTransition and NegativeTransition need to
+ * see both pieces of information.) These functions return the truth
+ * value of the trigger.
+ *
+ * All of them include the condition pTrigger->pSync == NULL.
+ * This is because the spec says that a trigger with a sync value
+ * of None is always TRUE.
+ */
+
+static Bool
+SyncCheckTriggerPositiveComparison(SyncTrigger *pTrigger, CARD64 oldval)
+{
+ SyncCounter *pCounter;
+
+ /* Non-counter sync objects should never get here because they
+ * never trigger this comparison. */
+ if (!SyncCheckWarnIsCounter(pTrigger->pSync, WARN_INVALID_COUNTER_COMPARE))
+ return FALSE;
+
+ pCounter = (SyncCounter *)pTrigger->pSync;
+
+ return (pCounter == NULL ||
+ XSyncValueGreaterOrEqual(pCounter->value, pTrigger->test_value));
+}
+
+static Bool
+SyncCheckTriggerNegativeComparison(SyncTrigger *pTrigger, CARD64 oldval)
+{
+ SyncCounter *pCounter;
+
+ /* Non-counter sync objects should never get here because they
+ * never trigger this comparison. */
+ if (!SyncCheckWarnIsCounter(pTrigger->pSync, WARN_INVALID_COUNTER_COMPARE))
+ return FALSE;
+
+ pCounter = (SyncCounter *)pTrigger->pSync;
+
+ return (pCounter == NULL ||
+ XSyncValueLessOrEqual(pCounter->value, pTrigger->test_value));
+}
+
+static Bool
+SyncCheckTriggerPositiveTransition(SyncTrigger *pTrigger, CARD64 oldval)
+{
+ SyncCounter *pCounter;
+
+ /* Non-counter sync objects should never get here because they
+ * never trigger this comparison. */
+ if (!SyncCheckWarnIsCounter(pTrigger->pSync, WARN_INVALID_COUNTER_COMPARE))
+ return FALSE;
+
+ pCounter = (SyncCounter *)pTrigger->pSync;
+
+ return (pCounter == NULL ||
+ (XSyncValueLessThan(oldval, pTrigger->test_value) &&
+ XSyncValueGreaterOrEqual(pCounter->value, pTrigger->test_value)));
+}
+
+static Bool
+SyncCheckTriggerNegativeTransition(SyncTrigger *pTrigger, CARD64 oldval)
+{
+ SyncCounter *pCounter;
+
+ /* Non-counter sync objects should never get here because they
+ * never trigger this comparison. */
+ if (!SyncCheckWarnIsCounter(pTrigger->pSync, WARN_INVALID_COUNTER_COMPARE))
+ return FALSE;
+
+ pCounter = (SyncCounter *)pTrigger->pSync;
+
+ return (pCounter == NULL ||
+ (XSyncValueGreaterThan(oldval, pTrigger->test_value) &&
+ XSyncValueLessOrEqual(pCounter->value, pTrigger->test_value)));
+}
+
+static Bool
+SyncCheckTriggerFence(SyncTrigger *pTrigger, CARD64 unused)
+{
+ SyncFence* pFence = (SyncFence*) pTrigger->pSync;
+ (void)unused;
+
+ return (pFence == NULL ||
+ pFence->funcs.CheckTriggered(pFence));
+}
+
+static int
+SyncInitTrigger(ClientPtr client, SyncTrigger *pTrigger, XID syncObject,
+ RESTYPE resType, Mask changes)
+{
+ SyncObject *pSync = pTrigger->pSync;
+ SyncCounter *pCounter = NULL;
+ int rc;
+ Bool newSyncObject = FALSE;
+
+ if (changes & XSyncCACounter)
+ {
+ if (syncObject == None)
+ pSync = NULL;
+ else if (Success != (rc = dixLookupResourceByType ((pointer *)&pSync,
+ syncObject, resType, client, DixReadAccess)))
+ {
+ client->errorValue = syncObject;
+ return rc;
+ }
+ if (pSync != pTrigger->pSync)
+ { /* new counter for trigger */
+ SyncDeleteTriggerFromSyncObject(pTrigger);
+ pTrigger->pSync = pSync;
+ newSyncObject = TRUE;
+ }
+ }
+
+ /* if system counter, ask it what the current value is */
+
+ if (pSync && SYNC_COUNTER == pSync->type)
+ {
+ pCounter = (SyncCounter *)pSync;
+
+ if (IsSystemCounter(pCounter))
+ {
+ (*pCounter->pSysCounterInfo->QueryValue) ((pointer) pCounter,
+ &pCounter->value);
+ }
+ }
+
+ if (changes & XSyncCAValueType)
+ {
+ if (pTrigger->value_type != XSyncRelative &&
+ pTrigger->value_type != XSyncAbsolute)
+ {
+ client->errorValue = pTrigger->value_type;
+ return BadValue;
+ }
+ }
+
+ if (changes & XSyncCATestType)
+ {
+
+ if (pSync && SYNC_FENCE == pSync->type)
+ {
+ pTrigger->CheckTrigger = SyncCheckTriggerFence;
+ }
+ else
+ {
+ /* select appropriate CheckTrigger function */
+
+ switch (pTrigger->test_type)
+ {
+ case XSyncPositiveTransition:
+ pTrigger->CheckTrigger = SyncCheckTriggerPositiveTransition;
+ break;
+ case XSyncNegativeTransition:
+ pTrigger->CheckTrigger = SyncCheckTriggerNegativeTransition;
+ break;
+ case XSyncPositiveComparison:
+ pTrigger->CheckTrigger = SyncCheckTriggerPositiveComparison;
+ break;
+ case XSyncNegativeComparison:
+ pTrigger->CheckTrigger = SyncCheckTriggerNegativeComparison;
+ break;
+ default:
+ client->errorValue = pTrigger->test_type;
+ return BadValue;
+ }
+ }
+ }
+
+ if (changes & (XSyncCAValueType | XSyncCAValue))
+ {
+ if (pTrigger->value_type == XSyncAbsolute)
+ pTrigger->test_value = pTrigger->wait_value;
+ else /* relative */
+ {
+ Bool overflow;
+ if (pCounter == NULL)
+ return BadMatch;
+
+ XSyncValueAdd(&pTrigger->test_value, pCounter->value,
+ pTrigger->wait_value, &overflow);
+ if (overflow)
+ {
+ client->errorValue = XSyncValueHigh32(pTrigger->wait_value);
+ return BadValue;
+ }
+ }
+ }
+
+ /* we wait until we're sure there are no errors before registering
+ * a new counter on a trigger
+ */
+ if (newSyncObject)
+ {
+ if ((rc = SyncAddTriggerToSyncObject(pTrigger)) != Success)
+ return rc;
+ }
+ else if (pCounter && IsSystemCounter(pCounter))
+ {
+ SyncComputeBracketValues(pCounter);
+ }
+
+ return Success;
+}
+
+/* AlarmNotify events happen in response to actions taken on an Alarm or
+ * the counter used by the alarm. AlarmNotify may be sent to multiple
+ * clients. The alarm maintains a list of clients interested in events.
+ */
+static void
+SyncSendAlarmNotifyEvents(SyncAlarm *pAlarm)
+{
+ SyncAlarmClientList *pcl;
+ xSyncAlarmNotifyEvent ane;
+ SyncTrigger *pTrigger = &pAlarm->trigger;
+ SyncCounter *pCounter;
+
+ if (!SyncCheckWarnIsCounter(pTrigger->pSync, WARN_INVALID_COUNTER_ALARM))
+ return;
+
+ pCounter = (SyncCounter *)pTrigger->pSync;
+
+ UpdateCurrentTime();
+
+ ane.type = SyncEventBase + XSyncAlarmNotify;
+ ane.kind = XSyncAlarmNotify;
+ ane.alarm = pAlarm->alarm_id;
+ if (pTrigger->pSync && SYNC_COUNTER == pTrigger->pSync->type)
+ {
+ ane.counter_value_hi = XSyncValueHigh32(pCounter->value);
+ ane.counter_value_lo = XSyncValueLow32(pCounter->value);
+ }
+ else
+ { /* XXX what else can we do if there's no counter? */
+ ane.counter_value_hi = ane.counter_value_lo = 0;
+ }
+
+ ane.alarm_value_hi = XSyncValueHigh32(pTrigger->test_value);
+ ane.alarm_value_lo = XSyncValueLow32(pTrigger->test_value);
+ ane.time = currentTime.milliseconds;
+ ane.state = pAlarm->state;
+
+ /* send to owner */
+ if (pAlarm->events)
+ WriteEventsToClient(pAlarm->client, 1, (xEvent *) &ane);
+
+ /* send to other interested clients */
+ for (pcl = pAlarm->pEventClients; pcl; pcl = pcl->next)
+ WriteEventsToClient(pcl->client, 1, (xEvent *) &ane);
+}
+
+
+/* CounterNotify events only occur in response to an Await. The events
+ * go only to the Awaiting client.
+ */
+static void
+SyncSendCounterNotifyEvents(ClientPtr client, SyncAwait **ppAwait,
+ int num_events)
+{
+ xSyncCounterNotifyEvent *pEvents, *pev;
+ int i;
+
+ if (client->clientGone)
+ return;
+ pev = pEvents = malloc(num_events * sizeof(xSyncCounterNotifyEvent));
+ if (!pEvents)
+ return;
+ UpdateCurrentTime();
+ for (i = 0; i < num_events; i++, ppAwait++, pev++)
+ {
+ SyncTrigger *pTrigger = &(*ppAwait)->trigger;
+ pev->type = SyncEventBase + XSyncCounterNotify;
+ pev->kind = XSyncCounterNotify;
+ pev->counter = pTrigger->pSync->id;
+ pev->wait_value_lo = XSyncValueLow32(pTrigger->test_value);
+ pev->wait_value_hi = XSyncValueHigh32(pTrigger->test_value);
+ if (SYNC_COUNTER == pTrigger->pSync->type)
+ {
+ SyncCounter *pCounter = (SyncCounter *)pTrigger->pSync;
+
+ pev->counter_value_lo = XSyncValueLow32(pCounter->value);
+ pev->counter_value_hi = XSyncValueHigh32(pCounter->value);
+ }
+ else
+ {
+ pev->counter_value_lo = 0;
+ pev->counter_value_hi = 0;
+ }
+
+ pev->time = currentTime.milliseconds;
+ pev->count = num_events - i - 1; /* events remaining */
+ pev->destroyed = pTrigger->pSync->beingDestroyed;
+ }
+ /* swapping will be taken care of by this */
+ WriteEventsToClient(client, num_events, (xEvent *)pEvents);
+ free(pEvents);
+}
+
+
+/* This function is called when an alarm's counter is destroyed.
+ * It is plugged into pTrigger->CounterDestroyed (for alarm triggers).
+ */
+static void
+SyncAlarmCounterDestroyed(SyncTrigger *pTrigger)
+{
+ SyncAlarm *pAlarm = (SyncAlarm *)pTrigger;
+
+ pAlarm->state = XSyncAlarmInactive;
+ SyncSendAlarmNotifyEvents(pAlarm);
+ pTrigger->pSync = NULL;
+}
+
+
+/* This function is called when an alarm "goes off."
+ * It is plugged into pTrigger->TriggerFired (for alarm triggers).
+ */
+static void
+SyncAlarmTriggerFired(SyncTrigger *pTrigger)
+{
+ SyncAlarm *pAlarm = (SyncAlarm *)pTrigger;
+ SyncCounter *pCounter;
+ CARD64 new_test_value;
+
+ if (!SyncCheckWarnIsCounter(pTrigger->pSync, WARN_INVALID_COUNTER_ALARM))
+ return;
+
+ pCounter = (SyncCounter *)pTrigger->pSync;
+
+ /* no need to check alarm unless it's active */
+ if (pAlarm->state != XSyncAlarmActive)
+ return;
+
+ /* " if the counter value is None, or if the delta is 0 and
+ * the test-type is PositiveComparison or NegativeComparison,
+ * no change is made to value (test-value) and the alarm
+ * state is changed to Inactive before the event is generated."
+ */
+ if (pCounter == NULL
+ || (XSyncValueIsZero(pAlarm->delta)
+ && (pAlarm->trigger.test_type == XSyncPositiveComparison
+ || pAlarm->trigger.test_type == XSyncNegativeComparison)))
+ pAlarm->state = XSyncAlarmInactive;
+
+ new_test_value = pAlarm->trigger.test_value;
+
+ if (pAlarm->state == XSyncAlarmActive)
+ {
+ Bool overflow;
+ CARD64 oldvalue;
+ SyncTrigger *paTrigger = &pAlarm->trigger;
+ SyncCounter *paCounter;
+
+ if (!SyncCheckWarnIsCounter(paTrigger->pSync,
+ WARN_INVALID_COUNTER_ALARM))
+ return;
+
+ paCounter = (SyncCounter *)pTrigger->pSync;
+
+ /* "The alarm is updated by repeatedly adding delta to the
+ * value of the trigger and re-initializing it until it
+ * becomes FALSE."
+ */
+ oldvalue = paTrigger->test_value;
+
+ /* XXX really should do something smarter here */
+
+ do
+ {
+ XSyncValueAdd(&paTrigger->test_value, paTrigger->test_value,
+ pAlarm->delta, &overflow);
+ } while (!overflow &&
+ (*paTrigger->CheckTrigger)(paTrigger,
+ paCounter->value));
+
+ new_test_value = paTrigger->test_value;
+ paTrigger->test_value = oldvalue;
+
+ /* "If this update would cause value to fall outside the range
+ * for an INT64...no change is made to value (test-value) and
+ * the alarm state is changed to Inactive before the event is
+ * generated."
+ */
+ if (overflow)
+ {
+ new_test_value = oldvalue;
+ pAlarm->state = XSyncAlarmInactive;
+ }
+ }
+ /* The AlarmNotify event has to have the "new state of the alarm"
+ * which we can't be sure of until this point. However, it has
+ * to have the "old" trigger test value. That's the reason for
+ * all the newvalue/oldvalue shuffling above. After we send the
+ * events, give the trigger its new test value.
+ */
+ SyncSendAlarmNotifyEvents(pAlarm);
+ pTrigger->test_value = new_test_value;
+}
+
+
+/* This function is called when an Await unblocks, either as a result
+ * of the trigger firing OR the counter being destroyed.
+ * It goes into pTrigger->TriggerFired AND pTrigger->CounterDestroyed
+ * (for Await triggers).
+ */
+static void
+SyncAwaitTriggerFired(SyncTrigger *pTrigger)
+{
+ SyncAwait *pAwait = (SyncAwait *)pTrigger;
+ int numwaits;
+ SyncAwaitUnion *pAwaitUnion;
+ SyncAwait **ppAwait;
+ int num_events = 0;
+
+ pAwaitUnion = (SyncAwaitUnion *)pAwait->pHeader;
+ numwaits = pAwaitUnion->header.num_waitconditions;
+ ppAwait = malloc(numwaits * sizeof(SyncAwait *));
+ if (!ppAwait)
+ goto bail;
+
+ pAwait = &(pAwaitUnion+1)->await;
+
+ /* "When a client is unblocked, all the CounterNotify events for
+ * the Await request are generated contiguously. If count is 0
+ * there are no more events to follow for this request. If
+ * count is n, there are at least n more events to follow."
+ *
+ * Thus, it is best to find all the counters for which events
+ * need to be sent first, so that an accurate count field can
+ * be stored in the events.
+ */
+ for ( ; numwaits; numwaits--, pAwait++)
+ {
+ CARD64 diff;
+ Bool overflow, diffgreater, diffequal;
+
+ /* "A CounterNotify event with the destroyed flag set to TRUE is
+ * always generated if the counter for one of the triggers is
+ * destroyed."
+ */
+ if (pAwait->trigger.pSync->beingDestroyed)
+ {
+ ppAwait[num_events++] = pAwait;
+ continue;
+ }
+
+ if (SYNC_COUNTER == pAwait->trigger.pSync->type)
+ {
+ SyncCounter *pCounter = (SyncCounter *) pAwait->trigger.pSync;
+
+ /* "The difference between the counter and the test value is
+ * calculated by subtracting the test value from the value of
+ * the counter."
+ */
+ XSyncValueSubtract(&diff, pCounter->value,
+ pAwait->trigger.test_value, &overflow);
+
+ /* "If the difference lies outside the range for an INT64, an
+ * event is not generated."
+ */
+ if (overflow)
+ continue;
+ diffgreater = XSyncValueGreaterThan(diff, pAwait->event_threshold);
+ diffequal = XSyncValueEqual(diff, pAwait->event_threshold);
+
+ /* "If the test-type is PositiveTransition or
+ * PositiveComparison, a CounterNotify event is generated if
+ * the difference is at least event-threshold. If the test-type
+ * is NegativeTransition or NegativeComparison, a CounterNotify
+ * event is generated if the difference is at most
+ * event-threshold."
+ */
+
+ if ( ((pAwait->trigger.test_type == XSyncPositiveComparison ||
+ pAwait->trigger.test_type == XSyncPositiveTransition)
+ && (diffgreater || diffequal))
+ ||
+ ((pAwait->trigger.test_type == XSyncNegativeComparison ||
+ pAwait->trigger.test_type == XSyncNegativeTransition)
+ && (!diffgreater) /* less or equal */
+ )
+ )
+ {
+ ppAwait[num_events++] = pAwait;
+ }
+ }
+ }
+ if (num_events)
+ SyncSendCounterNotifyEvents(pAwaitUnion->header.client, ppAwait,
+ num_events);
+ free(ppAwait);
+
+bail:
+ /* unblock the client */
+ AttendClient(pAwaitUnion->header.client);
+ /* delete the await */
+ FreeResource(pAwaitUnion->header.delete_id, RT_NONE);
+}
+
+
+/* This function should always be used to change a counter's value so that
+ * any triggers depending on the counter will be checked.
+ */
+void
+SyncChangeCounter(SyncCounter *pCounter, CARD64 newval)
+{
+ SyncTriggerList *ptl, *pnext;
+ CARD64 oldval;
+
+ oldval = pCounter->value;
+ pCounter->value = newval;
+
+ /* run through triggers to see if any become true */
+ for (ptl = pCounter->sync.pTriglist; ptl; ptl = pnext)
+ {
+ pnext = ptl->next;
+ if ((*ptl->pTrigger->CheckTrigger)(ptl->pTrigger, oldval))
+ (*ptl->pTrigger->TriggerFired)(ptl->pTrigger);
+ }
+
+ if (IsSystemCounter(pCounter))
+ {
+ SyncComputeBracketValues(pCounter);
+ }
+}
+
+
+/* loosely based on dix/events.c/EventSelectForWindow */
+static Bool
+SyncEventSelectForAlarm(SyncAlarm *pAlarm, ClientPtr client, Bool wantevents)
+{
+ SyncAlarmClientList *pClients;
+
+ if (client == pAlarm->client) /* alarm owner */
+ {
+ pAlarm->events = wantevents;
+ return Success;
+ }
+
+ /* see if the client is already on the list (has events selected) */
+
+ for (pClients = pAlarm->pEventClients; pClients;
+ pClients = pClients->next)
+ {
+ if (pClients->client == client)
+ {
+ /* client's presence on the list indicates desire for
+ * events. If the client doesn't want events, remove it
+ * from the list. If the client does want events, do
+ * nothing, since it's already got them.
+ */
+ if (!wantevents)
+ {
+ FreeResource(pClients->delete_id, RT_NONE);
+ }
+ return Success;
+ }
+ }
+
+ /* if we get here, this client does not currently have
+ * events selected on the alarm
+ */
+
+ if (!wantevents)
+ /* client doesn't want events, and we just discovered that it
+ * doesn't have them, so there's nothing to do.
+ */
+ return Success;
+
+ /* add new client to pAlarm->pEventClients */
+
+ pClients = malloc(sizeof(SyncAlarmClientList));
+ if (!pClients)
+ return BadAlloc;
+
+ /* register it as a resource so it will be cleaned up
+ * if the client dies
+ */
+
+ pClients->delete_id = FakeClientID(client->index);
+
+ /* link it into list after we know all the allocations succeed */
+ pClients->next = pAlarm->pEventClients;
+ pAlarm->pEventClients = pClients;
+ pClients->client = client;
+
+ if (!AddResource(pClients->delete_id, RTAlarmClient, pAlarm))
+ return BadAlloc;
+
+ return Success;
+}
+
+/*
+ * ** SyncChangeAlarmAttributes ** This is used by CreateAlarm and ChangeAlarm
+ */
+static int
+SyncChangeAlarmAttributes(ClientPtr client, SyncAlarm *pAlarm, Mask mask,
+ CARD32 *values)
+{
+ int status;
+ XSyncCounter counter;
+ Mask origmask = mask;
+
+ counter =
+ pAlarm->trigger.pSync ? pAlarm->trigger.pSync->id : None;
+
+ while (mask)
+ {
+ int index2 = lowbit(mask);
+ mask &= ~index2;
+ switch (index2)
+ {
+ case XSyncCACounter:
+ mask &= ~XSyncCACounter;
+ /* sanity check in SyncInitTrigger */
+ counter = *values++;
+ break;
+
+ case XSyncCAValueType:
+ mask &= ~XSyncCAValueType;
+ /* sanity check in SyncInitTrigger */
+ pAlarm->trigger.value_type = *values++;
+ break;
+
+ case XSyncCAValue:
+ mask &= ~XSyncCAValue;
+ XSyncIntsToValue(&pAlarm->trigger.wait_value, values[1], values[0]);
+ values += 2;
+ break;
+
+ case XSyncCATestType:
+ mask &= ~XSyncCATestType;
+ /* sanity check in SyncInitTrigger */
+ pAlarm->trigger.test_type = *values++;
+ break;
+
+ case XSyncCADelta:
+ mask &= ~XSyncCADelta;
+ XSyncIntsToValue(&pAlarm->delta, values[1], values[0]);
+ values += 2;
+ break;
+
+ case XSyncCAEvents:
+ mask &= ~XSyncCAEvents;
+ if ((*values != xTrue) && (*values != xFalse))
+ {
+ client->errorValue = *values;
+ return BadValue;
+ }
+ status = SyncEventSelectForAlarm(pAlarm, client,
+ (Bool)(*values++));
+ if (status != Success)
+ return status;
+ break;
+
+ default:
+ client->errorValue = mask;
+ return BadValue;
+ }
+ }
+
+ /* "If the test-type is PositiveComparison or PositiveTransition
+ * and delta is less than zero, or if the test-type is
+ * NegativeComparison or NegativeTransition and delta is
+ * greater than zero, a Match error is generated."
+ */
+ if (origmask & (XSyncCADelta|XSyncCATestType))
+ {
+ CARD64 zero;
+ XSyncIntToValue(&zero, 0);
+ if ((((pAlarm->trigger.test_type == XSyncPositiveComparison) ||
+ (pAlarm->trigger.test_type == XSyncPositiveTransition))
+ && XSyncValueLessThan(pAlarm->delta, zero))
+ ||
+ (((pAlarm->trigger.test_type == XSyncNegativeComparison) ||
+ (pAlarm->trigger.test_type == XSyncNegativeTransition))
+ && XSyncValueGreaterThan(pAlarm->delta, zero))
+ )
+ {
+ return BadMatch;
+ }
+ }
+
+ /* postpone this until now, when we're sure nothing else can go wrong */
+ if ((status = SyncInitTrigger(client, &pAlarm->trigger, counter, RTCounter,
+ origmask & XSyncCAAllTrigger)) != Success)
+ return status;
+
+ /* XXX spec does not really say to do this - needs clarification */
+ pAlarm->state = XSyncAlarmActive;
+ return Success;
+}
+
+static SyncObject *
+SyncCreate(ClientPtr client, XID id, unsigned char type)
+{
+ SyncObject *pSync;
+
+ switch (type) {
+ case SYNC_COUNTER:
+ pSync = malloc(sizeof(SyncCounter));
+ break;
+ case SYNC_FENCE:
+ pSync = (SyncObject*)dixAllocateObjectWithPrivates(SyncFence,
+ PRIVATE_SYNC_FENCE);
+ break;
+ default:
+ return NULL;
+ }
+
+ if (!pSync)
+ return NULL;
+
+ pSync->client = client;
+ pSync->id = id;
+ pSync->pTriglist = NULL;
+ pSync->beingDestroyed = FALSE;
+ pSync->type = type;
+
+ return pSync;
+}
+
+
+static SyncCounter *
+SyncCreateCounter(ClientPtr client, XSyncCounter id, CARD64 initialvalue)
+{
+ SyncCounter *pCounter;
+
+ if (!(pCounter = (SyncCounter *)SyncCreate(client,
+ id,
+ SYNC_COUNTER)))
+ return NULL;
+
+ pCounter->value = initialvalue;
+ pCounter->pSysCounterInfo = NULL;
+
+ if (!AddResource(id, RTCounter, (pointer) pCounter))
+ return NULL;
+
+ return pCounter;
+}
+
+static int FreeCounter(void *, XID);
+
+/*
+ * ***** System Counter utilities
+ */
+
+pointer
+SyncCreateSystemCounter(
+ char *name,
+ CARD64 initial,
+ CARD64 resolution,
+ SyncCounterType counterType,
+ void (*QueryValue)(pointer /* pCounter */,
+ CARD64 * /* pValue_return */),
+ void (*BracketValues)(pointer /* pCounter */,
+ CARD64 * /* pbracket_less */,
+ CARD64 * /* pbracket_greater */)
+ )
+{
+ SyncCounter *pCounter;
+
+ SysCounterList = realloc(SysCounterList,
+ (SyncNumSystemCounters+1)*sizeof(SyncCounter *));
+ if (!SysCounterList)
+ return NULL;
+
+ /* this function may be called before SYNC has been initialized, so we
+ * have to make sure RTCounter is created.
+ */
+ if (RTCounter == 0)
+ {
+ RTCounter = CreateNewResourceType(FreeCounter, "SyncCounter");
+ if (RTCounter == 0)
+ {
+ return NULL;
+ }
+ }
+
+ pCounter = SyncCreateCounter(NULL, FakeClientID(0), initial);
+
+ if (pCounter)
+ {
+ SysCounterInfo *psci;
+
+ psci = malloc(sizeof(SysCounterInfo));
+ if (!psci)
+ {
+ FreeResource(pCounter->sync.id, RT_NONE);
+ return pCounter;
+ }
+ pCounter->pSysCounterInfo = psci;
+ psci->name = name;
+ psci->resolution = resolution;
+ psci->counterType = counterType;
+ psci->QueryValue = QueryValue;
+ psci->BracketValues = BracketValues;
+ XSyncMaxValue(&psci->bracket_greater);
+ XSyncMinValue(&psci->bracket_less);
+ SysCounterList[SyncNumSystemCounters++] = pCounter;
+ }
+ return pCounter;
+}
+
+void
+SyncDestroySystemCounter(pointer pSysCounter)
+{
+ SyncCounter *pCounter = (SyncCounter *)pSysCounter;
+ FreeResource(pCounter->sync.id, RT_NONE);
+}
+
+static void
+SyncComputeBracketValues(SyncCounter *pCounter)
+{
+ SyncTriggerList *pCur;
+ SyncTrigger *pTrigger;
+ SysCounterInfo *psci;
+ CARD64 *pnewgtval = NULL;
+ CARD64 *pnewltval = NULL;
+ SyncCounterType ct;
+
+ if (!pCounter)
+ return;
+
+ psci = pCounter->pSysCounterInfo;
+ ct = pCounter->pSysCounterInfo->counterType;
+ if (ct == XSyncCounterNeverChanges)
+ return;
+
+ XSyncMaxValue(&psci->bracket_greater);
+ XSyncMinValue(&psci->bracket_less);
+
+ for (pCur = pCounter->sync.pTriglist; pCur; pCur = pCur->next)
+ {
+ pTrigger = pCur->pTrigger;
+
+ if (pTrigger->test_type == XSyncPositiveComparison &&
+ ct != XSyncCounterNeverIncreases)
+ {
+ if (XSyncValueLessThan(pCounter->value, pTrigger->test_value) &&
+ XSyncValueLessThan(pTrigger->test_value,
+ psci->bracket_greater))
+ {
+ psci->bracket_greater = pTrigger->test_value;
+ pnewgtval = &psci->bracket_greater;
+ }
+ }
+ else if (pTrigger->test_type == XSyncNegativeComparison &&
+ ct != XSyncCounterNeverDecreases)
+ {
+ if (XSyncValueGreaterThan(pCounter->value, pTrigger->test_value) &&
+ XSyncValueGreaterThan(pTrigger->test_value,
+ psci->bracket_less))
+ {
+ psci->bracket_less = pTrigger->test_value;
+ pnewltval = &psci->bracket_less;
+ }
+ }
+ else if (pTrigger->test_type == XSyncNegativeTransition &&
+ ct != XSyncCounterNeverIncreases)
+ {
+ if (XSyncValueGreaterThan(pCounter->value, pTrigger->test_value) &&
+ XSyncValueGreaterThan(pTrigger->test_value, psci->bracket_less))
+ {
+ psci->bracket_less = pTrigger->test_value;
+ pnewltval = &psci->bracket_less;
+ } else if (XSyncValueEqual(pCounter->value, pTrigger->test_value) &&
+ XSyncValueLessThan(pTrigger->test_value,
+ psci->bracket_greater))
+ {
+ /*
+ * The value is exactly equal to our threshold. We want one
+ * more event in the positive direction to ensure we pick up
+ * when the value *exceeds* this threshold.
+ */
+ psci->bracket_greater = pTrigger->test_value;
+ pnewgtval = &psci->bracket_greater;
+ }
+ }
+ else if (pTrigger->test_type == XSyncPositiveTransition &&
+ ct != XSyncCounterNeverDecreases)
+ {
+ if (XSyncValueLessThan(pCounter->value, pTrigger->test_value) &&
+ XSyncValueLessThan(pTrigger->test_value, psci->bracket_greater))
+ {
+ psci->bracket_greater = pTrigger->test_value;
+ pnewgtval = &psci->bracket_greater;
+ } else if (XSyncValueEqual(pCounter->value, pTrigger->test_value) &&
+ XSyncValueGreaterThan(pTrigger->test_value,
+ psci->bracket_less))
+ {
+ /*
+ * The value is exactly equal to our threshold. We want one
+ * more event in the negative direction to ensure we pick up
+ * when the value is less than this threshold.
+ */
+ psci->bracket_less = pTrigger->test_value;
+ pnewltval = &psci->bracket_less;
+ }
+ }
+ } /* end for each trigger */
+
+ if (pnewgtval || pnewltval)
+ {
+ (*psci->BracketValues)((pointer)pCounter, pnewltval, pnewgtval);
+ }
+}
+
+/*
+ * ***** Resource delete functions
+ */
+
+/* ARGSUSED */
+static int
+FreeAlarm(void *addr, XID id)
+{
+ SyncAlarm *pAlarm = (SyncAlarm *) addr;
+
+ pAlarm->state = XSyncAlarmDestroyed;
+
+ SyncSendAlarmNotifyEvents(pAlarm);
+
+ /* delete event selections */
+
+ while (pAlarm->pEventClients)
+ FreeResource(pAlarm->pEventClients->delete_id, RT_NONE);
+
+ SyncDeleteTriggerFromSyncObject(&pAlarm->trigger);
+
+ free(pAlarm);
+ return Success;
+}
+
+
+/*
+ * ** Cleanup after the destruction of a Counter
+ */
+/* ARGSUSED */
+static int
+FreeCounter(void *env, XID id)
+{
+ SyncCounter *pCounter = (SyncCounter *) env;
+ SyncTriggerList *ptl, *pnext;
+
+ pCounter->sync.beingDestroyed = TRUE;
+ /* tell all the counter's triggers that the counter has been destroyed */
+ for (ptl = pCounter->sync.pTriglist; ptl; ptl = pnext)
+ {
+ (*ptl->pTrigger->CounterDestroyed)(ptl->pTrigger);
+ pnext = ptl->next;
+ free(ptl); /* destroy the trigger list as we go */
+ }
+ if (IsSystemCounter(pCounter))
+ {
+ int i, found = 0;
+
+ free(pCounter->pSysCounterInfo);
+
+ /* find the counter in the list of system counters and remove it */
+
+ if (SysCounterList)
+ {
+ for (i = 0; i < SyncNumSystemCounters; i++)
+ {
+ if (SysCounterList[i] == pCounter)
+ {
+ found = i;
+ break;
+ }
+ }
+ if (found < (SyncNumSystemCounters-1))
+ {
+ for (i = found; i < SyncNumSystemCounters-1; i++)
+ {
+ SysCounterList[i] = SysCounterList[i+1];
+ }
+ }
+ }
+ SyncNumSystemCounters--;
+ }
+ free(pCounter);
+ return Success;
+}
+
+/*
+ * ** Cleanup after Await
+ */
+/* ARGSUSED */
+static int
+FreeAwait(void *addr, XID id)
+{
+ SyncAwaitUnion *pAwaitUnion = (SyncAwaitUnion *) addr;
+ SyncAwait *pAwait;
+ int numwaits;
+
+ pAwait = &(pAwaitUnion+1)->await; /* first await on list */
+
+ /* remove triggers from counters */
+
+ for (numwaits = pAwaitUnion->header.num_waitconditions; numwaits;
+ numwaits--, pAwait++)
+ {
+ /* If the counter is being destroyed, FreeCounter will delete
+ * the trigger list itself, so don't do it here.
+ */
+ SyncObject *pSync = pAwait->trigger.pSync;
+ if (pSync && !pSync->beingDestroyed)
+ SyncDeleteTriggerFromSyncObject(&pAwait->trigger);
+ }
+ free(pAwaitUnion);
+ return Success;
+}
+
+/* loosely based on dix/events.c/OtherClientGone */
+static int
+FreeAlarmClient(void *value, XID id)
+{
+ SyncAlarm *pAlarm = (SyncAlarm *)value;
+ SyncAlarmClientList *pCur, *pPrev;
+
+ for (pPrev = NULL, pCur = pAlarm->pEventClients;
+ pCur;
+ pPrev = pCur, pCur = pCur->next)
+ {
+ if (pCur->delete_id == id)
+ {
+ if (pPrev)
+ pPrev->next = pCur->next;
+ else
+ pAlarm->pEventClients = pCur->next;
+ free(pCur);
+ return Success;
+ }
+ }
+ FatalError("alarm client not on event list");
+ /*NOTREACHED*/
+}
+
+
+/*
+ * ***** Proc functions
+ */
+
+
+/*
+ * ** Initialize the extension
+ */
+static int
+ProcSyncInitialize(ClientPtr client)
+{
+ xSyncInitializeReply rep;
+ REQUEST_SIZE_MATCH(xSyncInitializeReq);
+
+ memset(&rep, 0, sizeof(xSyncInitializeReply));
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.majorVersion = SERVER_SYNC_MAJOR_VERSION;
+ rep.minorVersion = SERVER_SYNC_MINOR_VERSION;
+ rep.length = 0;
+
+ if (client->swapped)
+ {
+ swaps(&rep.sequenceNumber);
+ }
+ WriteToClient(client, sizeof(rep), (char *) &rep);
+ return Success;
+}
+
+/*
+ * ** Get list of system counters available through the extension
+ */
+static int
+ProcSyncListSystemCounters(ClientPtr client)
+{
+ xSyncListSystemCountersReply rep;
+ int i, len;
+ xSyncSystemCounter *list = NULL, *walklist = NULL;
+
+ REQUEST_SIZE_MATCH(xSyncListSystemCountersReq);
+
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.nCounters = SyncNumSystemCounters;
+
+ for (i = len = 0; i < SyncNumSystemCounters; i++)
+ {
+ char *name = SysCounterList[i]->pSysCounterInfo->name;
+ /* pad to 4 byte boundary */
+ len += pad_to_int32(sz_xSyncSystemCounter + strlen(name));
+ }
+
+ if (len)
+ {
+ walklist = list = malloc(len);
+ if (!list)
+ return BadAlloc;
+ }
+
+ rep.length = bytes_to_int32(len);
+
+ if (client->swapped)
+ {
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ swapl(&rep.nCounters);
+ }
+
+ for (i = 0; i < SyncNumSystemCounters; i++)
+ {
+ int namelen;
+ char *pname_in_reply;
+ SysCounterInfo *psci = SysCounterList[i]->pSysCounterInfo;
+
+ walklist->counter = SysCounterList[i]->sync.id;
+ walklist->resolution_hi = XSyncValueHigh32(psci->resolution);
+ walklist->resolution_lo = XSyncValueLow32(psci->resolution);
+ namelen = strlen(psci->name);
+ walklist->name_length = namelen;
+
+ if (client->swapped)
+ {
+ swapl(&walklist->counter);
+ swapl(&walklist->resolution_hi);
+ swapl(&walklist->resolution_lo);
+ swaps(&walklist->name_length);
+ }
+
+ pname_in_reply = ((char *)walklist) + sz_xSyncSystemCounter;
+ strncpy(pname_in_reply, psci->name, namelen);
+ walklist = (xSyncSystemCounter *) (((char *)walklist) +
+ pad_to_int32(sz_xSyncSystemCounter + namelen));
+ }
+
+ WriteToClient(client, sizeof(rep), (char *) &rep);
+ if (len)
+ {
+ WriteToClient(client, len, (char *) list);
+ free(list);
+ }
+
+ return Success;
+}
+
+/*
+ * ** Set client Priority
+ */
+static int
+ProcSyncSetPriority(ClientPtr client)
+{
+ REQUEST(xSyncSetPriorityReq);
+ ClientPtr priorityclient;
+ int rc;
+
+ REQUEST_SIZE_MATCH(xSyncSetPriorityReq);
+
+ if (stuff->id == None)
+ priorityclient = client;
+ else {
+ rc = dixLookupClient(&priorityclient, stuff->id, client,
+ DixSetAttrAccess);
+ if (rc != Success)
+ return rc;
+ }
+
+ if (priorityclient->priority != stuff->priority)
+ {
+ priorityclient->priority = stuff->priority;
+
+ /* The following will force the server back into WaitForSomething
+ * so that the change in this client's priority is immediately
+ * reflected.
+ */
+ isItTimeToYield = TRUE;
+ dispatchException |= DE_PRIORITYCHANGE;
+ }
+ return Success;
+}
+
+/*
+ * ** Get client Priority
+ */
+static int
+ProcSyncGetPriority(ClientPtr client)
+{
+ REQUEST(xSyncGetPriorityReq);
+ xSyncGetPriorityReply rep;
+ ClientPtr priorityclient;
+ int rc;
+
+ REQUEST_SIZE_MATCH(xSyncGetPriorityReq);
+
+ if (stuff->id == None)
+ priorityclient = client;
+ else {
+ rc = dixLookupClient(&priorityclient, stuff->id, client,
+ DixGetAttrAccess);
+ if (rc != Success)
+ return rc;
+ }
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.priority = priorityclient->priority;
+
+ if (client->swapped)
+ {
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.priority);
+ }
+
+ WriteToClient(client, sizeof(xSyncGetPriorityReply), (char *) &rep);
+
+ return Success;
+}
+
+/*
+ * ** Create a new counter
+ */
+static int
+ProcSyncCreateCounter(ClientPtr client)
+{
+ REQUEST(xSyncCreateCounterReq);
+ CARD64 initial;
+
+ REQUEST_SIZE_MATCH(xSyncCreateCounterReq);
+
+ LEGAL_NEW_RESOURCE(stuff->cid, client);
+
+ XSyncIntsToValue(&initial, stuff->initial_value_lo, stuff->initial_value_hi);
+ if (!SyncCreateCounter(client, stuff->cid, initial))
+ return BadAlloc;
+
+ return Success;
+}
+
+/*
+ * ** Set Counter value
+ */
+static int
+ProcSyncSetCounter(ClientPtr client)
+{
+ REQUEST(xSyncSetCounterReq);
+ SyncCounter *pCounter;
+ CARD64 newvalue;
+ int rc;
+
+ REQUEST_SIZE_MATCH(xSyncSetCounterReq);
+
+ rc = dixLookupResourceByType((pointer *)&pCounter, stuff->cid, RTCounter,
+ client, DixWriteAccess);
+ if (rc != Success)
+ return rc;
+
+ if (IsSystemCounter(pCounter))
+ {
+ client->errorValue = stuff->cid;
+ return BadAccess;
+ }
+
+ XSyncIntsToValue(&newvalue, stuff->value_lo, stuff->value_hi);
+ SyncChangeCounter(pCounter, newvalue);
+ return Success;
+}
+
+/*
+ * ** Change Counter value
+ */
+static int
+ProcSyncChangeCounter(ClientPtr client)
+{
+ REQUEST(xSyncChangeCounterReq);
+ SyncCounter *pCounter;
+ CARD64 newvalue;
+ Bool overflow;
+ int rc;
+
+ REQUEST_SIZE_MATCH(xSyncChangeCounterReq);
+
+ rc = dixLookupResourceByType((pointer *)&pCounter, stuff->cid, RTCounter,
+ client, DixWriteAccess);
+ if (rc != Success)
+ return rc;
+
+ if (IsSystemCounter(pCounter))
+ {
+ client->errorValue = stuff->cid;
+ return BadAccess;
+ }
+
+ XSyncIntsToValue(&newvalue, stuff->value_lo, stuff->value_hi);
+ XSyncValueAdd(&newvalue, pCounter->value, newvalue, &overflow);
+ if (overflow)
+ {
+ /* XXX 64 bit value can't fit in 32 bits; do the best we can */
+ client->errorValue = stuff->value_hi;
+ return BadValue;
+ }
+ SyncChangeCounter(pCounter, newvalue);
+ return Success;
+}
+
+/*
+ * ** Destroy a counter
+ */
+static int
+ProcSyncDestroyCounter(ClientPtr client)
+{
+ REQUEST(xSyncDestroyCounterReq);
+ SyncCounter *pCounter;
+ int rc;
+
+ REQUEST_SIZE_MATCH(xSyncDestroyCounterReq);
+
+ rc = dixLookupResourceByType((pointer *)&pCounter, stuff->counter, RTCounter,
+ client, DixDestroyAccess);
+ if (rc != Success)
+ return rc;
+
+ if (IsSystemCounter(pCounter))
+ {
+ client->errorValue = stuff->counter;
+ return BadAccess;
+ }
+ FreeResource(pCounter->sync.id, RT_NONE);
+ return Success;
+}
+
+static SyncAwaitUnion*
+SyncAwaitPrologue(ClientPtr client, int items)
+{
+ SyncAwaitUnion *pAwaitUnion;
+
+ /* all the memory for the entire await list is allocated
+ * here in one chunk
+ */
+ pAwaitUnion = malloc((items+1) * sizeof(SyncAwaitUnion));
+ if (!pAwaitUnion)
+ return NULL;
+
+ /* first item is the header, remainder are real wait conditions */
+
+ pAwaitUnion->header.delete_id = FakeClientID(client->index);
+ pAwaitUnion->header.client = client;
+ pAwaitUnion->header.num_waitconditions = 0;
+
+ if (!AddResource(pAwaitUnion->header.delete_id, RTAwait, pAwaitUnion))
+ return NULL;
+
+ return pAwaitUnion;
+}
+
+static void
+SyncAwaitEpilogue(ClientPtr client, int items, SyncAwaitUnion *pAwaitUnion)
+{
+ SyncAwait *pAwait;
+ int i;
+
+ IgnoreClient(client);
+
+ /* see if any of the triggers are already true */
+
+ pAwait = &(pAwaitUnion+1)->await; /* skip over header */
+ for (i = 0; i < items; i++, pAwait++)
+ {
+ CARD64 value;
+
+ /* don't have to worry about NULL counters because the request
+ * errors before we get here out if they occur
+ */
+ switch (pAwait->trigger.pSync->type) {
+ case SYNC_COUNTER:
+ value = ((SyncCounter *)pAwait->trigger.pSync)->value;
+ break;
+ default:
+ XSyncIntToValue(&value, 0);
+ }
+
+ if ((*pAwait->trigger.CheckTrigger)(&pAwait->trigger, value))
+ {
+ (*pAwait->trigger.TriggerFired)(&pAwait->trigger);
+ break; /* once is enough */
+ }
+ }
+}
+
+/*
+ * ** Await
+ */
+static int
+ProcSyncAwait(ClientPtr client)
+{
+ REQUEST(xSyncAwaitReq);
+ int len, items;
+ int i;
+ xSyncWaitCondition *pProtocolWaitConds;
+ SyncAwaitUnion *pAwaitUnion;
+ SyncAwait *pAwait;
+ int status;
+
+ REQUEST_AT_LEAST_SIZE(xSyncAwaitReq);
+
+ len = client->req_len << 2;
+ len -= sz_xSyncAwaitReq;
+ items = len / sz_xSyncWaitCondition;
+
+ if (items * sz_xSyncWaitCondition != len)
+ {
+ return BadLength;
+ }
+ if (items == 0)
+ {
+ client->errorValue = items; /* XXX protocol change */
+ return BadValue;
+ }
+
+ if (!(pAwaitUnion = SyncAwaitPrologue(client, items)))
+ return BadAlloc;
+
+ /* don't need to do any more memory allocation for this request! */
+
+ pProtocolWaitConds = (xSyncWaitCondition *) & stuff[1];
+
+ pAwait = &(pAwaitUnion+1)->await; /* skip over header */
+ for (i = 0; i < items; i++, pProtocolWaitConds++, pAwait++)
+ {
+ if (pProtocolWaitConds->counter == None) /* XXX protocol change */
+ {
+ /* this should take care of removing any triggers created by
+ * this request that have already been registered on sync objects
+ */
+ FreeResource(pAwaitUnion->header.delete_id, RT_NONE);
+ client->errorValue = pProtocolWaitConds->counter;
+ return SyncErrorBase + XSyncBadCounter;
+ }
+
+ /* sanity checks are in SyncInitTrigger */
+ pAwait->trigger.pSync = NULL;
+ pAwait->trigger.value_type = pProtocolWaitConds->value_type;
+ XSyncIntsToValue(&pAwait->trigger.wait_value,
+ pProtocolWaitConds->wait_value_lo,
+ pProtocolWaitConds->wait_value_hi);
+ pAwait->trigger.test_type = pProtocolWaitConds->test_type;
+
+ status = SyncInitTrigger(client, &pAwait->trigger,
+ pProtocolWaitConds->counter, RTCounter,
+ XSyncCAAllTrigger);
+ if (status != Success)
+ {
+ /* this should take care of removing any triggers created by
+ * this request that have already been registered on sync objects
+ */
+ FreeResource(pAwaitUnion->header.delete_id, RT_NONE);
+ return status;
+ }
+ /* this is not a mistake -- same function works for both cases */
+ pAwait->trigger.TriggerFired = SyncAwaitTriggerFired;
+ pAwait->trigger.CounterDestroyed = SyncAwaitTriggerFired;
+ XSyncIntsToValue(&pAwait->event_threshold,
+ pProtocolWaitConds->event_threshold_lo,
+ pProtocolWaitConds->event_threshold_hi);
+ pAwait->pHeader = &pAwaitUnion->header;
+ pAwaitUnion->header.num_waitconditions++;
+ }
+
+ SyncAwaitEpilogue(client, items, pAwaitUnion);
+
+ return Success;
+}
+
+
+/*
+ * ** Query a counter
+ */
+static int
+ProcSyncQueryCounter(ClientPtr client)
+{
+ REQUEST(xSyncQueryCounterReq);
+ xSyncQueryCounterReply rep;
+ SyncCounter *pCounter;
+ int rc;
+
+ REQUEST_SIZE_MATCH(xSyncQueryCounterReq);
+
+ rc = dixLookupResourceByType((pointer *)&pCounter, stuff->counter,
+ RTCounter, client, DixReadAccess);
+ if (rc != Success)
+ return rc;
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+
+ /* if system counter, ask it what the current value is */
+
+ if (IsSystemCounter(pCounter))
+ {
+ (*pCounter->pSysCounterInfo->QueryValue) ((pointer) pCounter,
+ &pCounter->value);
+ }
+
+ rep.value_hi = XSyncValueHigh32(pCounter->value);
+ rep.value_lo = XSyncValueLow32(pCounter->value);
+ if (client->swapped)
+ {
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ swapl(&rep.value_hi);
+ swapl(&rep.value_lo);
+ }
+ WriteToClient(client, sizeof(xSyncQueryCounterReply), (char *) &rep);
+ return Success;
+}
+
+
+/*
+ * ** Create Alarm
+ */
+static int
+ProcSyncCreateAlarm(ClientPtr client)
+{
+ REQUEST(xSyncCreateAlarmReq);
+ SyncAlarm *pAlarm;
+ int status;
+ unsigned long len, vmask;
+ SyncTrigger *pTrigger;
+
+ REQUEST_AT_LEAST_SIZE(xSyncCreateAlarmReq);
+
+ LEGAL_NEW_RESOURCE(stuff->id, client);
+
+ vmask = stuff->valueMask;
+ len = client->req_len - bytes_to_int32(sizeof(xSyncCreateAlarmReq));
+ /* the "extra" call to Ones accounts for the presence of 64 bit values */
+ if (len != (Ones(vmask) + Ones(vmask & (XSyncCAValue|XSyncCADelta))))
+ return BadLength;
+
+ if (!(pAlarm = malloc(sizeof(SyncAlarm))))
+ {
+ return BadAlloc;
+ }
+
+ /* set up defaults */
+
+ pTrigger = &pAlarm->trigger;
+ pTrigger->pSync = NULL;
+ pTrigger->value_type = XSyncAbsolute;
+ XSyncIntToValue(&pTrigger->wait_value, 0L);
+ pTrigger->test_type = XSyncPositiveComparison;
+ pTrigger->TriggerFired = SyncAlarmTriggerFired;
+ pTrigger->CounterDestroyed = SyncAlarmCounterDestroyed;
+ status = SyncInitTrigger(client, pTrigger, None, RTCounter,
+ XSyncCAAllTrigger);
+ if (status != Success)
+ {
+ free(pAlarm);
+ return status;
+ }
+
+ pAlarm->client = client;
+ pAlarm->alarm_id = stuff->id;
+ XSyncIntToValue(&pAlarm->delta, 1L);
+ pAlarm->events = TRUE;
+ pAlarm->state = XSyncAlarmInactive;
+ pAlarm->pEventClients = NULL;
+ status = SyncChangeAlarmAttributes(client, pAlarm, vmask,
+ (CARD32 *)&stuff[1]);
+ if (status != Success)
+ {
+ free(pAlarm);
+ return status;
+ }
+
+ if (!AddResource(stuff->id, RTAlarm, pAlarm))
+ return BadAlloc;
+
+ /* see if alarm already triggered. NULL counter will not trigger
+ * in CreateAlarm and sets alarm state to Inactive.
+ */
+
+ if (!pTrigger->pSync)
+ {
+ pAlarm->state = XSyncAlarmInactive; /* XXX protocol change */
+ }
+ else
+ {
+ SyncCounter *pCounter;
+
+ if (!SyncCheckWarnIsCounter(pTrigger->pSync,
+ WARN_INVALID_COUNTER_ALARM))
+ {
+ FreeResource(stuff->id, RT_NONE);
+ return BadAlloc;
+ }
+
+ pCounter = (SyncCounter *)pTrigger->pSync;
+
+ if ((*pTrigger->CheckTrigger)(pTrigger, pCounter->value))
+ (*pTrigger->TriggerFired)(pTrigger);
+ }
+
+ return Success;
+}
+
+/*
+ * ** Change Alarm
+ */
+static int
+ProcSyncChangeAlarm(ClientPtr client)
+{
+ REQUEST(xSyncChangeAlarmReq);
+ SyncAlarm *pAlarm;
+ SyncCounter *pCounter = NULL;
+ long vmask;
+ int len, status;
+
+ REQUEST_AT_LEAST_SIZE(xSyncChangeAlarmReq);
+
+ status = dixLookupResourceByType((pointer *)&pAlarm, stuff->alarm, RTAlarm,
+ client, DixWriteAccess);
+ if (status != Success)
+ return status;
+
+ vmask = stuff->valueMask;
+ len = client->req_len - bytes_to_int32(sizeof(xSyncChangeAlarmReq));
+ /* the "extra" call to Ones accounts for the presence of 64 bit values */
+ if (len != (Ones(vmask) + Ones(vmask & (XSyncCAValue|XSyncCADelta))))
+ return BadLength;
+
+ if ((status = SyncChangeAlarmAttributes(client, pAlarm, vmask,
+ (CARD32 *)&stuff[1])) != Success)
+ return status;
+
+ if (SyncCheckWarnIsCounter(pAlarm->trigger.pSync,
+ WARN_INVALID_COUNTER_ALARM))
+ pCounter = (SyncCounter *)pAlarm->trigger.pSync;
+
+ /* see if alarm already triggered. NULL counter WILL trigger
+ * in ChangeAlarm.
+ */
+
+ if (!pCounter ||
+ (*pAlarm->trigger.CheckTrigger)(&pAlarm->trigger, pCounter->value))
+ {
+ (*pAlarm->trigger.TriggerFired)(&pAlarm->trigger);
+ }
+ return Success;
+}
+
+static int
+ProcSyncQueryAlarm(ClientPtr client)
+{
+ REQUEST(xSyncQueryAlarmReq);
+ SyncAlarm *pAlarm;
+ xSyncQueryAlarmReply rep;
+ SyncTrigger *pTrigger;
+ int rc;
+
+ REQUEST_SIZE_MATCH(xSyncQueryAlarmReq);
+
+ rc = dixLookupResourceByType((pointer *)&pAlarm, stuff->alarm, RTAlarm,
+ client, DixReadAccess);
+ if (rc != Success)
+ return rc;
+
+ rep.type = X_Reply;
+ rep.length = bytes_to_int32(sizeof(xSyncQueryAlarmReply) - sizeof(xGenericReply));
+ rep.sequenceNumber = client->sequence;
+
+ pTrigger = &pAlarm->trigger;
+ rep.counter = (pTrigger->pSync) ? pTrigger->pSync->id : None;
+
+#if 0 /* XXX unclear what to do, depends on whether relative value-types
+ * are "consumed" immediately and are considered absolute from then
+ * on.
+ */
+ rep.value_type = pTrigger->value_type;
+ rep.wait_value_hi = XSyncValueHigh32(pTrigger->wait_value);
+ rep.wait_value_lo = XSyncValueLow32(pTrigger->wait_value);
+#else
+ rep.value_type = XSyncAbsolute;
+ rep.wait_value_hi = XSyncValueHigh32(pTrigger->test_value);
+ rep.wait_value_lo = XSyncValueLow32(pTrigger->test_value);
+#endif
+
+ rep.test_type = pTrigger->test_type;
+ rep.delta_hi = XSyncValueHigh32(pAlarm->delta);
+ rep.delta_lo = XSyncValueLow32(pAlarm->delta);
+ rep.events = pAlarm->events;
+ rep.state = pAlarm->state;
+
+ if (client->swapped)
+ {
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ swapl(&rep.counter);
+ swapl(&rep.wait_value_hi);
+ swapl(&rep.wait_value_lo);
+ swapl(&rep.test_type);
+ swapl(&rep.delta_hi);
+ swapl(&rep.delta_lo);
+ }
+
+ WriteToClient(client, sizeof(xSyncQueryAlarmReply), (char *) &rep);
+ return Success;
+}
+
+static int
+ProcSyncDestroyAlarm(ClientPtr client)
+{
+ SyncAlarm *pAlarm;
+ int rc;
+ REQUEST(xSyncDestroyAlarmReq);
+
+ REQUEST_SIZE_MATCH(xSyncDestroyAlarmReq);
+
+ rc = dixLookupResourceByType((pointer *)&pAlarm, stuff->alarm, RTAlarm,
+ client, DixDestroyAccess);
+ if (rc != Success)
+ return rc;
+
+ FreeResource(stuff->alarm, RT_NONE);
+ return Success;
+}
+
+static int
+ProcSyncCreateFence(ClientPtr client)
+{
+ REQUEST(xSyncCreateFenceReq);
+ DrawablePtr pDraw;
+ SyncFence *pFence;
+ int rc;
+
+ REQUEST_SIZE_MATCH(xSyncCreateFenceReq);
+
+ rc = dixLookupDrawable(&pDraw, stuff->d, client, M_ANY, DixGetAttrAccess);
+ if (rc != Success)
+ return rc;
+
+ LEGAL_NEW_RESOURCE(stuff->fid, client);
+
+ if (!(pFence = (SyncFence *)SyncCreate(client,
+ stuff->fid,
+ SYNC_FENCE)))
+ return BadAlloc;
+
+ miSyncInitFence(pDraw->pScreen, pFence, stuff->initially_triggered);
+
+ if (!AddResource(stuff->fid, RTFence, (pointer) pFence))
+ return BadAlloc;
+
+ return client->noClientException;
+}
+
+static int
+FreeFence(void *obj, XID id)
+{
+ SyncFence *pFence = (SyncFence *) obj;
+
+ miSyncDestroyFence(pFence);
+
+ return Success;
+}
+
+int SyncVerifyFence(SyncFence **ppSyncFence, XID fid,
+ ClientPtr client, Mask mode)
+{
+ int rc = dixLookupResourceByType((pointer *)ppSyncFence, fid, RTFence,
+ client, mode);
+
+ if (rc != Success)
+ client->errorValue = fid;
+
+ return rc;
+}
+
+static int
+ProcSyncTriggerFence(ClientPtr client)
+{
+ REQUEST(xSyncTriggerFenceReq);
+ SyncFence *pFence;
+ int rc;
+
+ REQUEST_SIZE_MATCH(xSyncTriggerFenceReq);
+
+ rc = dixLookupResourceByType((pointer *)&pFence, stuff->fid, RTFence,
+ client, DixWriteAccess);
+ if (rc != Success)
+ return rc;
+
+ miSyncTriggerFence(pFence);
+
+ return client->noClientException;
+}
+
+static int
+ProcSyncResetFence(ClientPtr client)
+{
+ REQUEST(xSyncResetFenceReq);
+ SyncFence *pFence;
+ int rc;
+
+ REQUEST_SIZE_MATCH(xSyncResetFenceReq);
+
+ rc = dixLookupResourceByType((pointer *)&pFence, stuff->fid, RTFence,
+ client, DixWriteAccess);
+ if (rc != Success)
+ return rc;
+
+ if (pFence->funcs.CheckTriggered(pFence) != TRUE)
+ return BadMatch;
+
+ pFence->funcs.Reset(pFence);
+
+ return client->noClientException;
+}
+
+static int
+ProcSyncDestroyFence(ClientPtr client)
+{
+ REQUEST(xSyncDestroyFenceReq);
+ SyncFence *pFence;
+ int rc;
+
+ REQUEST_SIZE_MATCH(xSyncDestroyFenceReq);
+
+ rc = dixLookupResourceByType((pointer *)&pFence, stuff->fid, RTFence,
+ client, DixDestroyAccess);
+ if (rc != Success)
+ return rc;
+
+ FreeResource(stuff->fid, RT_NONE);
+ return client->noClientException;
+}
+
+static int
+ProcSyncQueryFence(ClientPtr client)
+{
+ REQUEST(xSyncQueryFenceReq);
+ xSyncQueryFenceReply rep;
+ SyncFence *pFence;
+ int rc;
+
+ REQUEST_SIZE_MATCH(xSyncQueryFenceReq);
+
+ rc = dixLookupResourceByType((pointer *)&pFence, stuff->fid,
+ RTFence, client, DixReadAccess);
+ if (rc != Success)
+ return rc;
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+
+ rep.triggered = pFence->funcs.CheckTriggered(pFence);
+
+ if (client->swapped)
+ {
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ }
+
+ WriteToClient(client, sizeof(xSyncQueryFenceReply), (char *) &rep);
+ return client->noClientException;
+}
+
+static int
+ProcSyncAwaitFence(ClientPtr client)
+{
+ REQUEST(xSyncAwaitFenceReq);
+ SyncAwaitUnion *pAwaitUnion;
+ SyncAwait *pAwait;
+ /* Use CARD32 rather than XSyncFence because XIDs are hard-coded to
+ * CARD32 in protocol definitions */
+ CARD32 *pProtocolFences;
+ int status;
+ int len;
+ int items;
+ int i;
+
+ REQUEST_AT_LEAST_SIZE(xSyncAwaitFenceReq);
+
+ len = client->req_len << 2;
+ len -= sz_xSyncAwaitFenceReq;
+ items = len / sizeof(CARD32);
+
+ if (items * sizeof(CARD32) != len)
+ {
+ return BadLength;
+ }
+ if (items == 0)
+ {
+ client->errorValue = items;
+ return BadValue;
+ }
+
+ if (!(pAwaitUnion = SyncAwaitPrologue(client, items)))
+ return BadAlloc;
+
+ /* don't need to do any more memory allocation for this request! */
+
+ pProtocolFences = (CARD32 *) & stuff[1];
+
+ pAwait = &(pAwaitUnion+1)->await; /* skip over header */
+ for (i = 0; i < items; i++, pProtocolFences++, pAwait++)
+ {
+ if (*pProtocolFences == None)
+ {
+ /* this should take care of removing any triggers created by
+ * this request that have already been registered on sync objects
+ */
+ FreeResource(pAwaitUnion->header.delete_id, RT_NONE);
+ client->errorValue = *pProtocolFences;
+ return SyncErrorBase + XSyncBadFence;
+ }
+
+ pAwait->trigger.pSync = NULL;
+ /* Provide acceptable values for these unused fields to
+ * satisfy SyncInitTrigger's validation logic
+ */
+ pAwait->trigger.value_type = XSyncAbsolute;
+ XSyncIntToValue(&pAwait->trigger.wait_value, 0);
+ pAwait->trigger.test_type = 0;
+
+ status = SyncInitTrigger(client, &pAwait->trigger,
+ *pProtocolFences, RTFence,
+ XSyncCAAllTrigger);
+ if (status != Success)
+ {
+ /* this should take care of removing any triggers created by
+ * this request that have already been registered on sync objects
+ */
+ FreeResource(pAwaitUnion->header.delete_id, RT_NONE);
+ return status;
+ }
+ /* this is not a mistake -- same function works for both cases */
+ pAwait->trigger.TriggerFired = SyncAwaitTriggerFired;
+ pAwait->trigger.CounterDestroyed = SyncAwaitTriggerFired;
+ /* event_threshold is unused for fence syncs */
+ XSyncIntToValue(&pAwait->event_threshold, 0);
+ pAwait->pHeader = &pAwaitUnion->header;
+ pAwaitUnion->header.num_waitconditions++;
+ }
+
+ SyncAwaitEpilogue(client, items, pAwaitUnion);
+
+ return client->noClientException;
+}
+
+/*
+ * ** Given an extension request, call the appropriate request procedure
+ */
+static int
+ProcSyncDispatch(ClientPtr client)
+{
+ REQUEST(xReq);
+
+ switch (stuff->data)
+ {
+ case X_SyncInitialize:
+ return ProcSyncInitialize(client);
+ case X_SyncListSystemCounters:
+ return ProcSyncListSystemCounters(client);
+ case X_SyncCreateCounter:
+ return ProcSyncCreateCounter(client);
+ case X_SyncSetCounter:
+ return ProcSyncSetCounter(client);
+ case X_SyncChangeCounter:
+ return ProcSyncChangeCounter(client);
+ case X_SyncQueryCounter:
+ return ProcSyncQueryCounter(client);
+ case X_SyncDestroyCounter:
+ return ProcSyncDestroyCounter(client);
+ case X_SyncAwait:
+ return ProcSyncAwait(client);
+ case X_SyncCreateAlarm:
+ return ProcSyncCreateAlarm(client);
+ case X_SyncChangeAlarm:
+ return ProcSyncChangeAlarm(client);
+ case X_SyncQueryAlarm:
+ return ProcSyncQueryAlarm(client);
+ case X_SyncDestroyAlarm:
+ return ProcSyncDestroyAlarm(client);
+ case X_SyncSetPriority:
+ return ProcSyncSetPriority(client);
+ case X_SyncGetPriority:
+ return ProcSyncGetPriority(client);
+ case X_SyncCreateFence:
+ return ProcSyncCreateFence(client);
+ case X_SyncTriggerFence:
+ return ProcSyncTriggerFence(client);
+ case X_SyncResetFence:
+ return ProcSyncResetFence(client);
+ case X_SyncDestroyFence:
+ return ProcSyncDestroyFence(client);
+ case X_SyncQueryFence:
+ return ProcSyncQueryFence(client);
+ case X_SyncAwaitFence:
+ return ProcSyncAwaitFence(client);
+ default:
+ return BadRequest;
+ }
+}
+
+/*
+ * Boring Swapping stuff ...
+ */
+
+static int
+SProcSyncInitialize(ClientPtr client)
+{
+ REQUEST(xSyncInitializeReq);
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH (xSyncInitializeReq);
+
+ return ProcSyncInitialize(client);
+}
+
+static int
+SProcSyncListSystemCounters(ClientPtr client)
+{
+ REQUEST(xSyncListSystemCountersReq);
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH (xSyncListSystemCountersReq);
+
+ return ProcSyncListSystemCounters(client);
+}
+
+static int
+SProcSyncCreateCounter(ClientPtr client)
+{
+ REQUEST(xSyncCreateCounterReq);
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH (xSyncCreateCounterReq);
+ swapl(&stuff->cid);
+ swapl(&stuff->initial_value_lo);
+ swapl(&stuff->initial_value_hi);
+
+ return ProcSyncCreateCounter(client);
+}
+
+static int
+SProcSyncSetCounter(ClientPtr client)
+{
+ REQUEST(xSyncSetCounterReq);
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH (xSyncSetCounterReq);
+ swapl(&stuff->cid);
+ swapl(&stuff->value_lo);
+ swapl(&stuff->value_hi);
+
+ return ProcSyncSetCounter(client);
+}
+
+static int
+SProcSyncChangeCounter(ClientPtr client)
+{
+ REQUEST(xSyncChangeCounterReq);
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH (xSyncChangeCounterReq);
+ swapl(&stuff->cid);
+ swapl(&stuff->value_lo);
+ swapl(&stuff->value_hi);
+
+ return ProcSyncChangeCounter(client);
+}
+
+static int
+SProcSyncQueryCounter(ClientPtr client)
+{
+ REQUEST(xSyncQueryCounterReq);
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH (xSyncQueryCounterReq);
+ swapl(&stuff->counter);
+
+ return ProcSyncQueryCounter(client);
+}
+
+static int
+SProcSyncDestroyCounter(ClientPtr client)
+{
+ REQUEST(xSyncDestroyCounterReq);
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH (xSyncDestroyCounterReq);
+ swapl(&stuff->counter);
+
+ return ProcSyncDestroyCounter(client);
+}
+
+static int
+SProcSyncAwait(ClientPtr client)
+{
+ REQUEST(xSyncAwaitReq);
+ swaps(&stuff->length);
+ REQUEST_AT_LEAST_SIZE(xSyncAwaitReq);
+ SwapRestL(stuff);
+
+ return ProcSyncAwait(client);
+}
+
+static int
+SProcSyncCreateAlarm(ClientPtr client)
+{
+ REQUEST(xSyncCreateAlarmReq);
+ swaps(&stuff->length);
+ REQUEST_AT_LEAST_SIZE(xSyncCreateAlarmReq);
+ swapl(&stuff->id);
+ swapl(&stuff->valueMask);
+ SwapRestL(stuff);
+
+ return ProcSyncCreateAlarm(client);
+}
+
+static int
+SProcSyncChangeAlarm(ClientPtr client)
+{
+ REQUEST(xSyncChangeAlarmReq);
+ swaps(&stuff->length);
+ REQUEST_AT_LEAST_SIZE(xSyncChangeAlarmReq);
+ swapl(&stuff->alarm);
+ swapl(&stuff->valueMask);
+ SwapRestL(stuff);
+ return ProcSyncChangeAlarm(client);
+}
+
+static int
+SProcSyncQueryAlarm(ClientPtr client)
+{
+ REQUEST(xSyncQueryAlarmReq);
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH (xSyncQueryAlarmReq);
+ swapl(&stuff->alarm);
+
+ return ProcSyncQueryAlarm(client);
+}
+
+static int
+SProcSyncDestroyAlarm(ClientPtr client)
+{
+ REQUEST(xSyncDestroyAlarmReq);
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH (xSyncDestroyAlarmReq);
+ swapl(&stuff->alarm);
+
+ return ProcSyncDestroyAlarm(client);
+}
+
+static int
+SProcSyncSetPriority(ClientPtr client)
+{
+ REQUEST(xSyncSetPriorityReq);
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH (xSyncSetPriorityReq);
+ swapl(&stuff->id);
+ swapl(&stuff->priority);
+
+ return ProcSyncSetPriority(client);
+}
+
+static int
+SProcSyncGetPriority(ClientPtr client)
+{
+ REQUEST(xSyncGetPriorityReq);
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH (xSyncGetPriorityReq);
+ swapl(&stuff->id);
+
+ return ProcSyncGetPriority(client);
+}
+
+static int
+SProcSyncCreateFence(ClientPtr client)
+{
+ REQUEST(xSyncCreateFenceReq);
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH (xSyncCreateFenceReq);
+ swapl(&stuff->fid);
+
+ return ProcSyncCreateFence(client);
+}
+
+static int
+SProcSyncTriggerFence(ClientPtr client)
+{
+ REQUEST(xSyncTriggerFenceReq);
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH (xSyncTriggerFenceReq);
+ swapl(&stuff->fid);
+
+ return ProcSyncTriggerFence(client);
+}
+
+static int
+SProcSyncResetFence(ClientPtr client)
+{
+ REQUEST(xSyncResetFenceReq);
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH (xSyncResetFenceReq);
+ swapl(&stuff->fid);
+
+ return ProcSyncResetFence(client);
+}
+
+static int
+SProcSyncDestroyFence(ClientPtr client)
+{
+ REQUEST(xSyncDestroyFenceReq);
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH (xSyncDestroyFenceReq);
+ swapl(&stuff->fid);
+
+ return ProcSyncDestroyFence(client);
+}
+
+static int
+SProcSyncQueryFence(ClientPtr client)
+{
+ REQUEST(xSyncQueryFenceReq);
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH (xSyncQueryFenceReq);
+ swapl(&stuff->fid);
+
+ return ProcSyncQueryFence(client);
+}
+
+static int
+SProcSyncAwaitFence(ClientPtr client)
+{
+ REQUEST(xSyncAwaitFenceReq);
+ swaps(&stuff->length);
+ REQUEST_AT_LEAST_SIZE(xSyncAwaitFenceReq);
+ SwapRestL(stuff);
+
+ return ProcSyncAwaitFence(client);
+}
+
+static int
+SProcSyncDispatch(ClientPtr client)
+{
+ REQUEST(xReq);
+
+ switch (stuff->data)
+ {
+ case X_SyncInitialize:
+ return SProcSyncInitialize(client);
+ case X_SyncListSystemCounters:
+ return SProcSyncListSystemCounters(client);
+ case X_SyncCreateCounter:
+ return SProcSyncCreateCounter(client);
+ case X_SyncSetCounter:
+ return SProcSyncSetCounter(client);
+ case X_SyncChangeCounter:
+ return SProcSyncChangeCounter(client);
+ case X_SyncQueryCounter:
+ return SProcSyncQueryCounter(client);
+ case X_SyncDestroyCounter:
+ return SProcSyncDestroyCounter(client);
+ case X_SyncAwait:
+ return SProcSyncAwait(client);
+ case X_SyncCreateAlarm:
+ return SProcSyncCreateAlarm(client);
+ case X_SyncChangeAlarm:
+ return SProcSyncChangeAlarm(client);
+ case X_SyncQueryAlarm:
+ return SProcSyncQueryAlarm(client);
+ case X_SyncDestroyAlarm:
+ return SProcSyncDestroyAlarm(client);
+ case X_SyncSetPriority:
+ return SProcSyncSetPriority(client);
+ case X_SyncGetPriority:
+ return SProcSyncGetPriority(client);
+ case X_SyncCreateFence:
+ return SProcSyncCreateFence(client);
+ case X_SyncTriggerFence:
+ return SProcSyncTriggerFence(client);
+ case X_SyncResetFence:
+ return SProcSyncResetFence(client);
+ case X_SyncDestroyFence:
+ return SProcSyncDestroyFence(client);
+ case X_SyncQueryFence:
+ return SProcSyncQueryFence(client);
+ case X_SyncAwaitFence:
+ return SProcSyncAwaitFence(client);
+ default:
+ return BadRequest;
+ }
+}
+
+/*
+ * Event Swapping
+ */
+
+static void
+SCounterNotifyEvent(xSyncCounterNotifyEvent *from, xSyncCounterNotifyEvent *to)
+{
+ to->type = from->type;
+ to->kind = from->kind;
+ cpswaps(from->sequenceNumber, to->sequenceNumber);
+ cpswapl(from->counter, to->counter);
+ cpswapl(from->wait_value_lo, to->wait_value_lo);
+ cpswapl(from->wait_value_hi, to->wait_value_hi);
+ cpswapl(from->counter_value_lo, to->counter_value_lo);
+ cpswapl(from->counter_value_hi, to->counter_value_hi);
+ cpswapl(from->time, to->time);
+ cpswaps(from->count, to->count);
+ to->destroyed = from->destroyed;
+}
+
+
+static void
+SAlarmNotifyEvent(xSyncAlarmNotifyEvent *from, xSyncAlarmNotifyEvent *to)
+{
+ to->type = from->type;
+ to->kind = from->kind;
+ cpswaps(from->sequenceNumber, to->sequenceNumber);
+ cpswapl(from->alarm, to->alarm);
+ cpswapl(from->counter_value_lo, to->counter_value_lo);
+ cpswapl(from->counter_value_hi, to->counter_value_hi);
+ cpswapl(from->alarm_value_lo, to->alarm_value_lo);
+ cpswapl(from->alarm_value_hi, to->alarm_value_hi);
+ cpswapl(from->time, to->time);
+ to->state = from->state;
+}
+
+/*
+ * ** Close everything down. ** This is fairly simple for now.
+ */
+/* ARGSUSED */
+static void
+SyncResetProc(ExtensionEntry *extEntry)
+{
+ free(SysCounterList);
+ SysCounterList = NULL;
+ RTCounter = 0;
+}
+
+/*
+ * ** Initialise the extension.
+ */
+void
+SyncExtensionInit(void)
+{
+ ExtensionEntry *extEntry;
+ int s;
+
+ for (s = 0; s < screenInfo.numScreens; s++)
+ miSyncSetup(screenInfo.screens[s]);
+
+ if (RTCounter == 0)
+ {
+ RTCounter = CreateNewResourceType(FreeCounter, "SyncCounter");
+ }
+ RTAlarm = CreateNewResourceType(FreeAlarm, "SyncAlarm");
+ RTAwait = CreateNewResourceType(FreeAwait, "SyncAwait");
+ RTFence = CreateNewResourceType(FreeFence, "SyncFence");
+ if (RTAwait)
+ RTAwait |= RC_NEVERRETAIN;
+ RTAlarmClient = CreateNewResourceType(FreeAlarmClient, "SyncAlarmClient");
+ if (RTAlarmClient)
+ RTAlarmClient |= RC_NEVERRETAIN;
+
+ if (RTCounter == 0 || RTAwait == 0 || RTAlarm == 0 ||
+ RTAlarmClient == 0 ||
+ (extEntry = AddExtension(SYNC_NAME,
+ XSyncNumberEvents, XSyncNumberErrors,
+ ProcSyncDispatch, SProcSyncDispatch,
+ SyncResetProc,
+ StandardMinorOpcode)) == NULL)
+ {
+ ErrorF("Sync Extension %d.%d failed to Initialise\n",
+ SYNC_MAJOR_VERSION, SYNC_MINOR_VERSION);
+ return;
+ }
+
+ SyncEventBase = extEntry->eventBase;
+ SyncErrorBase = extEntry->errorBase;
+ EventSwapVector[SyncEventBase + XSyncCounterNotify] = (EventSwapPtr) SCounterNotifyEvent;
+ EventSwapVector[SyncEventBase + XSyncAlarmNotify] = (EventSwapPtr) SAlarmNotifyEvent;
+
+ SetResourceTypeErrorValue(RTCounter, SyncErrorBase + XSyncBadCounter);
+ SetResourceTypeErrorValue(RTAlarm, SyncErrorBase + XSyncBadAlarm);
+ SetResourceTypeErrorValue(RTFence, SyncErrorBase + XSyncBadFence);
+
+ /*
+ * Although SERVERTIME is implemented by the OS layer, we initialise it
+ * here because doing it in OsInit() is too early. The resource database
+ * is not initialised when OsInit() is called. This is just about OK
+ * because there is always a servertime counter.
+ */
+ SyncInitServerTime();
+ SyncInitIdleTime();
+
+#ifdef DEBUG
+ fprintf(stderr, "Sync Extension %d.%d\n",
+ SYNC_MAJOR_VERSION, SYNC_MINOR_VERSION);
+#endif
+}
+
+
+/*
+ * ***** SERVERTIME implementation - should go in its own file in OS directory?
+ */
+
+
+
+static pointer ServertimeCounter;
+static XSyncValue Now;
+static XSyncValue *pnext_time;
+
+#define GetTime()\
+{\
+ unsigned long millis = GetTimeInMillis();\
+ unsigned long maxis = XSyncValueHigh32(Now);\
+ if (millis < XSyncValueLow32(Now)) maxis++;\
+ XSyncIntsToValue(&Now, millis, maxis);\
+}
+
+/*
+*** Server Block Handler
+*** code inspired by multibuffer extension (now deprecated)
+ */
+/*ARGSUSED*/
+static void
+ServertimeBlockHandler(void *env, struct timeval **wt, void *LastSelectMask)
+{
+ XSyncValue delay;
+ unsigned long timeout;
+
+ if (pnext_time)
+ {
+ GetTime();
+
+ if (XSyncValueGreaterOrEqual(Now, *pnext_time))
+ {
+ timeout = 0;
+ }
+ else
+ {
+ Bool overflow;
+ XSyncValueSubtract(&delay, *pnext_time, Now, &overflow);
+ (void)overflow;
+ timeout = XSyncValueLow32(delay);
+ }
+ AdjustWaitForDelay(wt, timeout); /* os/utils.c */
+ }
+}
+
+/*
+*** Wakeup Handler
+ */
+/*ARGSUSED*/
+static void
+ServertimeWakeupHandler(void *env, int rc, void *LastSelectMask)
+{
+ if (pnext_time)
+ {
+ GetTime();
+
+ if (XSyncValueGreaterOrEqual(Now, *pnext_time))
+ {
+ SyncChangeCounter(ServertimeCounter, Now);
+ }
+ }
+}
+
+static void
+ServertimeQueryValue(void *pCounter, CARD64 *pValue_return)
+{
+ GetTime();
+ *pValue_return = Now;
+}
+
+static void
+ServertimeBracketValues(void *pCounter, CARD64 *pbracket_less,
+ CARD64 *pbracket_greater)
+{
+ if (!pnext_time && pbracket_greater)
+ {
+ RegisterBlockAndWakeupHandlers(ServertimeBlockHandler,
+ ServertimeWakeupHandler,
+ NULL);
+ }
+ else if (pnext_time && !pbracket_greater)
+ {
+ RemoveBlockAndWakeupHandlers(ServertimeBlockHandler,
+ ServertimeWakeupHandler,
+ NULL);
+ }
+ pnext_time = pbracket_greater;
+}
+
+static void
+SyncInitServerTime(void)
+{
+ CARD64 resolution;
+
+ XSyncIntsToValue(&Now, GetTimeInMillis(), 0);
+ XSyncIntToValue(&resolution, 4);
+ ServertimeCounter = SyncCreateSystemCounter("SERVERTIME", Now, resolution,
+ XSyncCounterNeverDecreases,
+ ServertimeQueryValue, ServertimeBracketValues);
+ pnext_time = NULL;
+}
+
+
+
+/*
+ * IDLETIME implementation
+ */
+
+static SyncCounter *IdleTimeCounter;
+static XSyncValue *pIdleTimeValueLess;
+static XSyncValue *pIdleTimeValueGreater;
+
+static void
+IdleTimeQueryValue (pointer pCounter, CARD64 *pValue_return)
+{
+ CARD32 idle = GetTimeInMillis() - lastDeviceEventTime.milliseconds;
+ XSyncIntsToValue (pValue_return, idle, 0);
+}
+
+static void
+IdleTimeBlockHandler(pointer env, struct timeval **wt, pointer LastSelectMask)
+{
+ XSyncValue idle, old_idle;
+ SyncTriggerList *list = IdleTimeCounter->sync.pTriglist;
+ SyncTrigger *trig;
+
+ if (!pIdleTimeValueLess && !pIdleTimeValueGreater)
+ return;
+
+ old_idle = IdleTimeCounter->value;
+ IdleTimeQueryValue (NULL, &idle);
+ IdleTimeCounter->value = idle; /* push, so CheckTrigger works */
+
+ if (pIdleTimeValueLess &&
+ XSyncValueLessOrEqual (idle, *pIdleTimeValueLess))
+ {
+ /*
+ * We've been idle for less than the threshold value, and someone
+ * wants to know about that, but now we need to know whether they
+ * want level or edge trigger. Check the trigger list against the
+ * current idle time, and if any succeed, bomb out of select()
+ * immediately so we can reschedule.
+ */
+
+ for (list = IdleTimeCounter->sync.pTriglist; list; list = list->next) {
+ trig = list->pTrigger;
+ if (trig->CheckTrigger(trig, old_idle)) {
+ AdjustWaitForDelay(wt, 0);
+ break;
+ }
+ }
+ /*
+ * We've been called exactly on the idle time, but we have a
+ * NegativeTransition trigger which requires a transition from an
+ * idle time greater than this. Schedule a wakeup for the next
+ * millisecond so we won't miss a transition.
+ */
+ if (XSyncValueEqual (idle, *pIdleTimeValueLess))
+ AdjustWaitForDelay(wt, 1);
+ }
+ else if (pIdleTimeValueGreater)
+ {
+ /*
+ * There's a threshold in the positive direction. If we've been
+ * idle less than it, schedule a wakeup for sometime in the future.
+ * If we've been idle more than it, and someone wants to know about
+ * that level-triggered, schedule an immediate wakeup.
+ */
+ unsigned long timeout = -1;
+
+ if (XSyncValueLessThan (idle, *pIdleTimeValueGreater)) {
+ XSyncValue value;
+ Bool overflow;
+
+ XSyncValueSubtract (&value, *pIdleTimeValueGreater,
+ idle, &overflow);
+ timeout = min(timeout, XSyncValueLow32 (value));
+ } else {
+ for (list = IdleTimeCounter->sync.pTriglist; list; list = list->next) {
+ trig = list->pTrigger;
+ if (trig->CheckTrigger(trig, old_idle)) {
+ timeout = min(timeout, 0);
+ break;
+ }
+ }
+ }
+
+ AdjustWaitForDelay (wt, timeout);
+ }
+
+ IdleTimeCounter->value = old_idle; /* pop */
+}
+
+static void
+IdleTimeWakeupHandler (pointer env, int rc, pointer LastSelectMask)
+{
+ XSyncValue idle;
+
+ if (!pIdleTimeValueLess && !pIdleTimeValueGreater)
+ return;
+
+ IdleTimeQueryValue (NULL, &idle);
+
+ if ((pIdleTimeValueGreater &&
+ XSyncValueGreaterOrEqual (idle, *pIdleTimeValueGreater)) ||
+ (pIdleTimeValueLess &&
+ XSyncValueLessOrEqual (idle, *pIdleTimeValueLess)))
+ {
+ SyncChangeCounter (IdleTimeCounter, idle);
+ }
+}
+
+static void
+IdleTimeBracketValues (pointer pCounter, CARD64 *pbracket_less,
+ CARD64 *pbracket_greater)
+{
+ Bool registered = (pIdleTimeValueLess || pIdleTimeValueGreater);
+
+ if (registered && !pbracket_less && !pbracket_greater)
+ {
+ RemoveBlockAndWakeupHandlers(IdleTimeBlockHandler,
+ IdleTimeWakeupHandler,
+ NULL);
+ }
+ else if (!registered && (pbracket_less || pbracket_greater))
+ {
+ RegisterBlockAndWakeupHandlers(IdleTimeBlockHandler,
+ IdleTimeWakeupHandler,
+ NULL);
+ }
+
+ pIdleTimeValueGreater = pbracket_greater;
+ pIdleTimeValueLess = pbracket_less;
+}
+
+static void
+SyncInitIdleTime (void)
+{
+ CARD64 resolution;
+ XSyncValue idle;
+
+ IdleTimeQueryValue (NULL, &idle);
+ XSyncIntToValue (&resolution, 4);
+
+ IdleTimeCounter = SyncCreateSystemCounter ("IDLETIME", idle, resolution,
+ XSyncCounterUnrestricted,
+ IdleTimeQueryValue,
+ IdleTimeBracketValues);
+
+ pIdleTimeValueLess = pIdleTimeValueGreater = NULL;
+}
diff --git a/xorg-server/Xext/xcmisc.c b/xorg-server/Xext/xcmisc.c
index 8dfe4d136..8e3c9cd80 100644
--- a/xorg-server/Xext/xcmisc.c
+++ b/xorg-server/Xext/xcmisc.c
@@ -1,207 +1,201 @@
-/*
-
-Copyright 1993, 1998 The Open Group
-
-Permission to use, copy, modify, distribute, and sell this software and its
-documentation for any purpose is hereby granted without fee, provided that
-the above copyright notice appear in all copies and that both that
-copyright notice and this permission notice appear in supporting
-documentation.
-
-The above copyright notice and this permission notice shall be included
-in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
-OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
-ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
-OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of The Open Group shall
-not be used in advertising or otherwise to promote the sale, use or
-other dealings in this Software without prior written authorization
-from The Open Group.
-
-*/
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <X11/X.h>
-#include <X11/Xproto.h>
-#include "misc.h"
-#include "os.h"
-#include "dixstruct.h"
-#include "extnsionst.h"
-#include "swaprep.h"
-#include <X11/extensions/xcmiscproto.h>
-#include "modinit.h"
-
-#if HAVE_STDINT_H
-#include <stdint.h>
-#elif !defined(UINT32_MAX)
-#define UINT32_MAX 0xffffffffU
-#endif
-
-
-static int
-ProcXCMiscGetVersion(ClientPtr client)
-{
- xXCMiscGetVersionReply rep;
- int n;
-
- REQUEST_SIZE_MATCH(xXCMiscGetVersionReq);
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- rep.majorVersion = XCMiscMajorVersion;
- rep.minorVersion = XCMiscMinorVersion;
- if (client->swapped) {
- swaps(&rep.sequenceNumber, n);
- swaps(&rep.majorVersion, n);
- swaps(&rep.minorVersion, n);
- }
- WriteToClient(client, sizeof(xXCMiscGetVersionReply), (char *)&rep);
- return Success;
-}
-
-static int
-ProcXCMiscGetXIDRange(ClientPtr client)
-{
- xXCMiscGetXIDRangeReply rep;
- int n;
- XID min_id, max_id;
-
- REQUEST_SIZE_MATCH(xXCMiscGetXIDRangeReq);
- GetXIDRange(client->index, FALSE, &min_id, &max_id);
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- rep.start_id = min_id;
- rep.count = max_id - min_id + 1;
- if (client->swapped) {
- swaps(&rep.sequenceNumber, n);
- swapl(&rep.start_id, n);
- swapl(&rep.count, n);
- }
- WriteToClient(client, sizeof(xXCMiscGetXIDRangeReply), (char *)&rep);
- return Success;
-}
-
-static int
-ProcXCMiscGetXIDList(ClientPtr client)
-{
- REQUEST(xXCMiscGetXIDListReq);
- xXCMiscGetXIDListReply rep;
- int n;
- XID *pids;
- unsigned int count;
-
- REQUEST_SIZE_MATCH(xXCMiscGetXIDListReq);
-
- if (stuff->count > UINT32_MAX / sizeof(XID))
- return BadAlloc;
-
- pids = (XID *)malloc(stuff->count * sizeof(XID));
- if (!pids)
- {
- return BadAlloc;
- }
- count = GetXIDList(client, stuff->count, pids);
- rep.type = X_Reply;
- rep.sequenceNumber = client->sequence;
- rep.length = count;
- rep.count = count;
- if (client->swapped) {
- swaps(&rep.sequenceNumber, n);
- swapl(&rep.length, n);
- swapl(&rep.count, n);
- }
- WriteToClient(client, sizeof(xXCMiscGetXIDListReply), (char *)&rep);
- if (count)
- {
- client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write;
- WriteSwappedDataToClient(client, count * sizeof(XID), pids);
- }
- free(pids);
- return Success;
-}
-
-static int
-ProcXCMiscDispatch (ClientPtr client)
-{
- REQUEST(xReq);
- switch (stuff->data)
- {
- case X_XCMiscGetVersion:
- return ProcXCMiscGetVersion(client);
- case X_XCMiscGetXIDRange:
- return ProcXCMiscGetXIDRange(client);
- case X_XCMiscGetXIDList:
- return ProcXCMiscGetXIDList(client);
- default:
- return BadRequest;
- }
-}
-
-static int
-SProcXCMiscGetVersion(ClientPtr client)
-{
- int n;
- REQUEST(xXCMiscGetVersionReq);
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH(xXCMiscGetVersionReq);
- swaps(&stuff->majorVersion, n);
- swaps(&stuff->minorVersion, n);
- return ProcXCMiscGetVersion(client);
-}
-
-static int
-SProcXCMiscGetXIDRange(ClientPtr client)
-{
- int n;
- REQUEST(xReq);
-
- swaps(&stuff->length, n);
- return ProcXCMiscGetXIDRange(client);
-}
-
-static int
-SProcXCMiscGetXIDList(ClientPtr client)
-{
- int n;
- REQUEST(xXCMiscGetXIDListReq);
-
- swaps(&stuff->length, n);
- swapl(&stuff->count, n);
- return ProcXCMiscGetXIDList(client);
-}
-
-static int
-SProcXCMiscDispatch (ClientPtr client)
-{
- REQUEST(xReq);
- switch (stuff->data)
- {
- case X_XCMiscGetVersion:
- return SProcXCMiscGetVersion(client);
- case X_XCMiscGetXIDRange:
- return SProcXCMiscGetXIDRange(client);
- case X_XCMiscGetXIDList:
- return SProcXCMiscGetXIDList(client);
- default:
- return BadRequest;
- }
-}
-
-void
-XCMiscExtensionInit(INITARGS)
-{
- AddExtension(XCMiscExtensionName, 0, 0,
- ProcXCMiscDispatch, SProcXCMiscDispatch,
- NULL, StandardMinorOpcode);
-}
+/*
+
+Copyright 1993, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from The Open Group.
+
+*/
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include "misc.h"
+#include "os.h"
+#include "dixstruct.h"
+#include "extnsionst.h"
+#include "swaprep.h"
+#include <X11/extensions/xcmiscproto.h>
+#include "modinit.h"
+
+#if HAVE_STDINT_H
+#include <stdint.h>
+#elif !defined(UINT32_MAX)
+#define UINT32_MAX 0xffffffffU
+#endif
+
+
+static int
+ProcXCMiscGetVersion(ClientPtr client)
+{
+ xXCMiscGetVersionReply rep;
+
+ REQUEST_SIZE_MATCH(xXCMiscGetVersionReq);
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.majorVersion = XCMiscMajorVersion;
+ rep.minorVersion = XCMiscMinorVersion;
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber);
+ swaps(&rep.majorVersion);
+ swaps(&rep.minorVersion);
+ }
+ WriteToClient(client, sizeof(xXCMiscGetVersionReply), (char *)&rep);
+ return Success;
+}
+
+static int
+ProcXCMiscGetXIDRange(ClientPtr client)
+{
+ xXCMiscGetXIDRangeReply rep;
+ XID min_id, max_id;
+
+ REQUEST_SIZE_MATCH(xXCMiscGetXIDRangeReq);
+ GetXIDRange(client->index, FALSE, &min_id, &max_id);
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.start_id = min_id;
+ rep.count = max_id - min_id + 1;
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.start_id);
+ swapl(&rep.count);
+ }
+ WriteToClient(client, sizeof(xXCMiscGetXIDRangeReply), (char *)&rep);
+ return Success;
+}
+
+static int
+ProcXCMiscGetXIDList(ClientPtr client)
+{
+ REQUEST(xXCMiscGetXIDListReq);
+ xXCMiscGetXIDListReply rep;
+ XID *pids;
+ unsigned int count;
+
+ REQUEST_SIZE_MATCH(xXCMiscGetXIDListReq);
+
+ if (stuff->count > UINT32_MAX / sizeof(XID))
+ return BadAlloc;
+
+ pids = (XID *)malloc(stuff->count * sizeof(XID));
+ if (!pids)
+ {
+ return BadAlloc;
+ }
+ count = GetXIDList(client, stuff->count, pids);
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.length = count;
+ rep.count = count;
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ swapl(&rep.count);
+ }
+ WriteToClient(client, sizeof(xXCMiscGetXIDListReply), (char *)&rep);
+ if (count)
+ {
+ client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write;
+ WriteSwappedDataToClient(client, count * sizeof(XID), pids);
+ }
+ free(pids);
+ return Success;
+}
+
+static int
+ProcXCMiscDispatch (ClientPtr client)
+{
+ REQUEST(xReq);
+ switch (stuff->data)
+ {
+ case X_XCMiscGetVersion:
+ return ProcXCMiscGetVersion(client);
+ case X_XCMiscGetXIDRange:
+ return ProcXCMiscGetXIDRange(client);
+ case X_XCMiscGetXIDList:
+ return ProcXCMiscGetXIDList(client);
+ default:
+ return BadRequest;
+ }
+}
+
+static int
+SProcXCMiscGetVersion(ClientPtr client)
+{
+ REQUEST(xXCMiscGetVersionReq);
+
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xXCMiscGetVersionReq);
+ swaps(&stuff->majorVersion);
+ swaps(&stuff->minorVersion);
+ return ProcXCMiscGetVersion(client);
+}
+
+static int
+SProcXCMiscGetXIDRange(ClientPtr client)
+{
+ REQUEST(xReq);
+
+ swaps(&stuff->length);
+ return ProcXCMiscGetXIDRange(client);
+}
+
+static int
+SProcXCMiscGetXIDList(ClientPtr client)
+{
+ REQUEST(xXCMiscGetXIDListReq);
+
+ swaps(&stuff->length);
+ swapl(&stuff->count);
+ return ProcXCMiscGetXIDList(client);
+}
+
+static int
+SProcXCMiscDispatch (ClientPtr client)
+{
+ REQUEST(xReq);
+ switch (stuff->data)
+ {
+ case X_XCMiscGetVersion:
+ return SProcXCMiscGetVersion(client);
+ case X_XCMiscGetXIDRange:
+ return SProcXCMiscGetXIDRange(client);
+ case X_XCMiscGetXIDList:
+ return SProcXCMiscGetXIDList(client);
+ default:
+ return BadRequest;
+ }
+}
+
+void
+XCMiscExtensionInit(INITARGS)
+{
+ AddExtension(XCMiscExtensionName, 0, 0,
+ ProcXCMiscDispatch, SProcXCMiscDispatch,
+ NULL, StandardMinorOpcode);
+}
diff --git a/xorg-server/Xext/xf86bigfont.c b/xorg-server/Xext/xf86bigfont.c
index de8274469..4b63a13a1 100644
--- a/xorg-server/Xext/xf86bigfont.c
+++ b/xorg-server/Xext/xf86bigfont.c
@@ -307,13 +307,13 @@ ProcXF86BigfontQueryVersion(
; /* may add more bits here in future versions */
if (client->swapped) {
char tmp;
- swaps(&reply.sequenceNumber, tmp);
- swapl(&reply.length, tmp);
- swaps(&reply.majorVersion, tmp);
- swaps(&reply.minorVersion, tmp);
- swapl(&reply.uid, tmp);
- swapl(&reply.gid, tmp);
- swapl(&reply.signature, tmp);
+ swaps(&reply.sequenceNumber);
+ swapl(&reply.length);
+ swaps(&reply.majorVersion);
+ swaps(&reply.minorVersion);
+ swapl(&reply.uid);
+ swapl(&reply.gid);
+ swapl(&reply.signature);
}
WriteToClient(client,
sizeof(xXF86BigfontQueryVersionReply), (char *)&reply);
@@ -326,12 +326,12 @@ swapCharInfo(
{
char tmp;
- swaps(&pCI->leftSideBearing, tmp);
- swaps(&pCI->rightSideBearing, tmp);
- swaps(&pCI->characterWidth, tmp);
- swaps(&pCI->ascent, tmp);
- swaps(&pCI->descent, tmp);
- swaps(&pCI->attributes, tmp);
+ swaps(&pCI->leftSideBearing);
+ swaps(&pCI->rightSideBearing);
+ swaps(&pCI->characterWidth);
+ swaps(&pCI->ascent);
+ swaps(&pCI->descent);
+ swaps(&pCI->attributes);
}
/* static CARD32 hashCI (xCharInfo *p); */
@@ -587,20 +587,20 @@ ProcXF86BigfontQueryFont(
reply->shmsegoffset = 0;
if (client->swapped) {
char tmp;
- swaps(&reply->sequenceNumber, tmp);
- swapl(&reply->length, tmp);
+ swaps(&reply->sequenceNumber);
+ swapl(&reply->length);
swapCharInfo(&reply->minBounds);
swapCharInfo(&reply->maxBounds);
- swaps(&reply->minCharOrByte2, tmp);
- swaps(&reply->maxCharOrByte2, tmp);
- swaps(&reply->defaultChar, tmp);
- swaps(&reply->nFontProps, tmp);
- swaps(&reply->fontAscent, tmp);
- swaps(&reply->fontDescent, tmp);
- swapl(&reply->nCharInfos, tmp);
- swapl(&reply->nUniqCharInfos, tmp);
- swapl(&reply->shmid, tmp);
- swapl(&reply->shmsegoffset, tmp);
+ swaps(&reply->minCharOrByte2);
+ swaps(&reply->maxCharOrByte2);
+ swaps(&reply->defaultChar);
+ swaps(&reply->nFontProps);
+ swaps(&reply->fontAscent);
+ swaps(&reply->fontDescent);
+ swapl(&reply->nCharInfos);
+ swapl(&reply->nUniqCharInfos);
+ swapl(&reply->shmid);
+ swapl(&reply->shmsegoffset);
}
p = (char*) &reply[1];
{
@@ -614,8 +614,8 @@ ProcXF86BigfontQueryFont(
prFP->value = pFP->value;
if (client->swapped) {
char tmp;
- swapl(&prFP->name, tmp);
- swapl(&prFP->value, tmp);
+ swapl(&prFP->name);
+ swapl(&prFP->value);
}
}
p = (char*) prFP;
@@ -635,7 +635,7 @@ ProcXF86BigfontQueryFont(
*ps = pIndex2UniqIndex[j];
if (client->swapped) {
char tmp;
- swaps(ps, tmp);
+ swaps(ps);
}
}
}
@@ -672,7 +672,7 @@ SProcXF86BigfontQueryVersion(
REQUEST(xXF86BigfontQueryVersionReq);
char tmp;
- swaps(&stuff->length, tmp);
+ swaps(&stuff->length);
return ProcXF86BigfontQueryVersion(client);
}
@@ -683,9 +683,9 @@ SProcXF86BigfontQueryFont(
REQUEST(xXF86BigfontQueryFontReq);
char tmp;
- swaps(&stuff->length, tmp);
+ swaps(&stuff->length);
REQUEST_SIZE_MATCH(xXF86BigfontQueryFontReq);
- swapl(&stuff->id, tmp);
+ swapl(&stuff->id);
return ProcXF86BigfontQueryFont(client);
}
diff --git a/xorg-server/Xext/xres.c b/xorg-server/Xext/xres.c
index 4a5bffa81..b95272882 100644
--- a/xorg-server/Xext/xres.c
+++ b/xorg-server/Xext/xres.c
@@ -1,383 +1,361 @@
-/*
- Copyright (c) 2002 XFree86 Inc
-*/
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <stdio.h>
-#include <string.h>
-#include <X11/X.h>
-#include <X11/Xproto.h>
-#include "misc.h"
-#include "os.h"
-#include "dixstruct.h"
-#include "extnsionst.h"
-#include "swaprep.h"
-#include "registry.h"
-#include <X11/extensions/XResproto.h>
-#include "pixmapstr.h"
-#include "windowstr.h"
-#include "gcstruct.h"
-#include "modinit.h"
-#include "protocol-versions.h"
-
-static int
-ProcXResQueryVersion (ClientPtr client)
-{
- REQUEST(xXResQueryVersionReq);
- xXResQueryVersionReply rep;
- CARD16 client_major, client_minor; /* not used */
-
- REQUEST_SIZE_MATCH (xXResQueryVersionReq);
-
- client_major = stuff->client_major;
- client_minor = stuff->client_minor;
- (void) client_major;
- (void) client_minor;
-
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- rep.server_major = SERVER_XRES_MAJOR_VERSION;
- rep.server_minor = SERVER_XRES_MINOR_VERSION;
- if (client->swapped) {
- int n;
- swaps(&rep.sequenceNumber, n);
- swapl(&rep.length, n);
- swaps(&rep.server_major, n);
- swaps(&rep.server_minor, n);
- }
- WriteToClient(client, sizeof (xXResQueryVersionReply), (char *)&rep);
- return Success;
-}
-
-static int
-ProcXResQueryClients (ClientPtr client)
-{
- /* REQUEST(xXResQueryClientsReq); */
- xXResQueryClientsReply rep;
- int *current_clients;
- int i, num_clients;
-
- REQUEST_SIZE_MATCH(xXResQueryClientsReq);
-
- current_clients = malloc(currentMaxClients * sizeof(int));
-
- num_clients = 0;
- for(i = 0; i < currentMaxClients; i++) {
- if(clients[i]) {
- current_clients[num_clients] = i;
- num_clients++;
- }
- }
-
- rep.type = X_Reply;
- rep.sequenceNumber = client->sequence;
- rep.num_clients = num_clients;
- rep.length = bytes_to_int32(rep.num_clients * sz_xXResClient);
- if (client->swapped) {
- int n;
- swaps (&rep.sequenceNumber, n);
- swapl (&rep.length, n);
- swapl (&rep.num_clients, n);
- }
- WriteToClient (client, sizeof (xXResQueryClientsReply), (char *) &rep);
-
- if(num_clients) {
- xXResClient scratch;
-
- for(i = 0; i < num_clients; i++) {
- scratch.resource_base = clients[current_clients[i]]->clientAsMask;
- scratch.resource_mask = RESOURCE_ID_MASK;
-
- if(client->swapped) {
- int n;
- swapl (&scratch.resource_base, n);
- swapl (&scratch.resource_mask, n);
- }
- WriteToClient (client, sz_xXResClient, (char *) &scratch);
- }
- }
-
- free(current_clients);
-
- return Success;
-}
-
-
-static void
-ResFindAllRes (pointer value, XID id, RESTYPE type, pointer cdata)
-{
- int *counts = (int *)cdata;
-
- counts[(type & TypeMask) - 1]++;
-}
-
-static int
-ProcXResQueryClientResources (ClientPtr client)
-{
- REQUEST(xXResQueryClientResourcesReq);
- xXResQueryClientResourcesReply rep;
- int i, clientID, num_types;
- int *counts;
-
- REQUEST_SIZE_MATCH(xXResQueryClientResourcesReq);
-
- clientID = CLIENT_ID(stuff->xid);
-
- if((clientID >= currentMaxClients) || !clients[clientID]) {
- client->errorValue = stuff->xid;
- return BadValue;
- }
-
- counts = calloc(lastResourceType + 1, sizeof(int));
-
- FindAllClientResources(clients[clientID], ResFindAllRes, counts);
-
- num_types = 0;
-
- for(i = 0; i <= lastResourceType; i++) {
- if(counts[i]) num_types++;
- }
-
- rep.type = X_Reply;
- rep.sequenceNumber = client->sequence;
- rep.num_types = num_types;
- rep.length = bytes_to_int32(rep.num_types * sz_xXResType);
- if (client->swapped) {
- int n;
- swaps (&rep.sequenceNumber, n);
- swapl (&rep.length, n);
- swapl (&rep.num_types, n);
- }
-
- WriteToClient (client,sizeof(xXResQueryClientResourcesReply),(char*)&rep);
-
- if(num_types) {
- xXResType scratch;
- char *name;
-
- for(i = 0; i < lastResourceType; i++) {
- if(!counts[i]) continue;
-
- name = (char *)LookupResourceName(i + 1);
- if (strcmp(name, XREGISTRY_UNKNOWN))
- scratch.resource_type = MakeAtom(name, strlen(name), TRUE);
- else {
- char buf[40];
- snprintf(buf, sizeof(buf), "Unregistered resource %i", i + 1);
- scratch.resource_type = MakeAtom(buf, strlen(buf), TRUE);
- }
-
- scratch.count = counts[i];
-
- if(client->swapped) {
- int n;
- swapl (&scratch.resource_type, n);
- swapl (&scratch.count, n);
- }
- WriteToClient (client, sz_xXResType, (char *) &scratch);
- }
- }
-
- free(counts);
-
- return Success;
-}
-
-static unsigned long
-ResGetApproxPixmapBytes (PixmapPtr pix)
-{
- unsigned long nPixels;
- int bytesPerPixel;
-
- bytesPerPixel = pix->drawable.bitsPerPixel>>3;
- nPixels = pix->drawable.width * pix->drawable.height;
-
- /* Divide by refcnt as pixmap could be shared between clients,
- * so total pixmap mem is shared between these.
- */
- return ( nPixels * bytesPerPixel ) / pix->refcnt;
-}
-
-static void
-ResFindPixmaps (pointer value, XID id, pointer cdata)
-{
- unsigned long *bytes = (unsigned long *)cdata;
- PixmapPtr pix = (PixmapPtr)value;
-
- *bytes += ResGetApproxPixmapBytes(pix);
-}
-
-static void
-ResFindWindowPixmaps (pointer value, XID id, pointer cdata)
-{
- unsigned long *bytes = (unsigned long *)cdata;
- WindowPtr pWin = (WindowPtr)value;
-
- if (pWin->backgroundState == BackgroundPixmap)
- *bytes += ResGetApproxPixmapBytes(pWin->background.pixmap);
-
- if (pWin->border.pixmap != NULL && !pWin->borderIsPixel)
- *bytes += ResGetApproxPixmapBytes(pWin->border.pixmap);
-}
-
-static void
-ResFindGCPixmaps (pointer value, XID id, pointer cdata)
-{
- unsigned long *bytes = (unsigned long *)cdata;
- GCPtr pGC = (GCPtr)value;
-
- if (pGC->stipple != NULL)
- *bytes += ResGetApproxPixmapBytes(pGC->stipple);
-
- if (pGC->tile.pixmap != NULL && !pGC->tileIsPixel)
- *bytes += ResGetApproxPixmapBytes(pGC->tile.pixmap);
-}
-
-static int
-ProcXResQueryClientPixmapBytes (ClientPtr client)
-{
- REQUEST(xXResQueryClientPixmapBytesReq);
- xXResQueryClientPixmapBytesReply rep;
- int clientID;
- unsigned long bytes;
-
- REQUEST_SIZE_MATCH(xXResQueryClientPixmapBytesReq);
-
- clientID = CLIENT_ID(stuff->xid);
-
- if((clientID >= currentMaxClients) || !clients[clientID]) {
- client->errorValue = stuff->xid;
- return BadValue;
- }
-
- bytes = 0;
-
- FindClientResourcesByType(clients[clientID], RT_PIXMAP, ResFindPixmaps,
- (pointer)(&bytes));
-
- /*
- * Make sure win background pixmaps also held to account.
- */
- FindClientResourcesByType(clients[clientID], RT_WINDOW,
- ResFindWindowPixmaps,
- (pointer)(&bytes));
-
- /*
- * GC Tile & Stipple pixmaps too.
- */
- FindClientResourcesByType(clients[clientID], RT_GC,
- ResFindGCPixmaps,
- (pointer)(&bytes));
-
-#ifdef COMPOSITE
- /* FIXME: include composite pixmaps too */
-#endif
-
- rep.type = X_Reply;
- rep.sequenceNumber = client->sequence;
- rep.length = 0;
- rep.bytes = bytes;
-#ifdef _XSERVER64
- rep.bytes_overflow = bytes >> 32;
-#else
- rep.bytes_overflow = 0;
-#endif
- if (client->swapped) {
- int n;
- swaps (&rep.sequenceNumber, n);
- swapl (&rep.length, n);
- swapl (&rep.bytes, n);
- swapl (&rep.bytes_overflow, n);
- }
- WriteToClient (client,sizeof(xXResQueryClientPixmapBytesReply),(char*)&rep);
-
- return Success;
-}
-
-static int
-ProcResDispatch (ClientPtr client)
-{
- REQUEST(xReq);
- switch (stuff->data) {
- case X_XResQueryVersion:
- return ProcXResQueryVersion(client);
- case X_XResQueryClients:
- return ProcXResQueryClients(client);
- case X_XResQueryClientResources:
- return ProcXResQueryClientResources(client);
- case X_XResQueryClientPixmapBytes:
- return ProcXResQueryClientPixmapBytes(client);
- default: break;
- }
-
- return BadRequest;
-}
-
-static int
-SProcXResQueryVersion (ClientPtr client)
-{
- REQUEST(xXResQueryVersionReq);
- int n;
-
- REQUEST_SIZE_MATCH (xXResQueryVersionReq);
- swaps(&stuff->client_major,n);
- swaps(&stuff->client_minor,n);
- return ProcXResQueryVersion(client);
-}
-
-static int
-SProcXResQueryClientResources (ClientPtr client)
-{
- REQUEST(xXResQueryClientResourcesReq);
- int n;
-
- REQUEST_SIZE_MATCH (xXResQueryClientResourcesReq);
- swaps(&stuff->xid,n);
- return ProcXResQueryClientResources(client);
-}
-
-static int
-SProcXResQueryClientPixmapBytes (ClientPtr client)
-{
- REQUEST(xXResQueryClientPixmapBytesReq);
- int n;
-
- REQUEST_SIZE_MATCH (xXResQueryClientPixmapBytesReq);
- swaps(&stuff->xid,n);
- return ProcXResQueryClientPixmapBytes(client);
-}
-
-static int
-SProcResDispatch (ClientPtr client)
-{
- REQUEST(xReq);
- int n;
-
- swaps(&stuff->length,n);
-
- switch (stuff->data) {
- case X_XResQueryVersion:
- return SProcXResQueryVersion(client);
- case X_XResQueryClients: /* nothing to swap */
- return ProcXResQueryClients(client);
- case X_XResQueryClientResources:
- return SProcXResQueryClientResources(client);
- case X_XResQueryClientPixmapBytes:
- return SProcXResQueryClientPixmapBytes(client);
- default: break;
- }
-
- return BadRequest;
-}
-
-void
-ResExtensionInit(INITARGS)
-{
- (void) AddExtension(XRES_NAME, 0, 0,
- ProcResDispatch, SProcResDispatch,
- NULL, StandardMinorOpcode);
-}
+/*
+ Copyright (c) 2002 XFree86 Inc
+*/
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <stdio.h>
+#include <string.h>
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include "misc.h"
+#include "os.h"
+#include "dixstruct.h"
+#include "extnsionst.h"
+#include "swaprep.h"
+#include "registry.h"
+#include <X11/extensions/XResproto.h>
+#include "pixmapstr.h"
+#include "windowstr.h"
+#include "gcstruct.h"
+#include "modinit.h"
+#include "protocol-versions.h"
+
+static int
+ProcXResQueryVersion (ClientPtr client)
+{
+ REQUEST(xXResQueryVersionReq);
+ xXResQueryVersionReply rep;
+
+ REQUEST_SIZE_MATCH (xXResQueryVersionReq);
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.server_major = SERVER_XRES_MAJOR_VERSION;
+ rep.server_minor = SERVER_XRES_MINOR_VERSION;
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ swaps(&rep.server_major);
+ swaps(&rep.server_minor);
+ }
+ WriteToClient(client, sizeof (xXResQueryVersionReply), (char *)&rep);
+ return Success;
+}
+
+static int
+ProcXResQueryClients (ClientPtr client)
+{
+ /* REQUEST(xXResQueryClientsReq); */
+ xXResQueryClientsReply rep;
+ int *current_clients;
+ int i, num_clients;
+
+ REQUEST_SIZE_MATCH(xXResQueryClientsReq);
+
+ current_clients = malloc(currentMaxClients * sizeof(int));
+
+ num_clients = 0;
+ for(i = 0; i < currentMaxClients; i++) {
+ if(clients[i]) {
+ current_clients[num_clients] = i;
+ num_clients++;
+ }
+ }
+
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.num_clients = num_clients;
+ rep.length = bytes_to_int32(rep.num_clients * sz_xXResClient);
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ swapl(&rep.num_clients);
+ }
+ WriteToClient (client, sizeof (xXResQueryClientsReply), (char *) &rep);
+
+ if(num_clients) {
+ xXResClient scratch;
+
+ for(i = 0; i < num_clients; i++) {
+ scratch.resource_base = clients[current_clients[i]]->clientAsMask;
+ scratch.resource_mask = RESOURCE_ID_MASK;
+
+ if(client->swapped) {
+ swapl(&scratch.resource_base);
+ swapl(&scratch.resource_mask);
+ }
+ WriteToClient (client, sz_xXResClient, (char *) &scratch);
+ }
+ }
+
+ free(current_clients);
+
+ return Success;
+}
+
+
+static void
+ResFindAllRes (pointer value, XID id, RESTYPE type, pointer cdata)
+{
+ int *counts = (int *)cdata;
+
+ counts[(type & TypeMask) - 1]++;
+}
+
+static int
+ProcXResQueryClientResources (ClientPtr client)
+{
+ REQUEST(xXResQueryClientResourcesReq);
+ xXResQueryClientResourcesReply rep;
+ int i, clientID, num_types;
+ int *counts;
+
+ REQUEST_SIZE_MATCH(xXResQueryClientResourcesReq);
+
+ clientID = CLIENT_ID(stuff->xid);
+
+ if((clientID >= currentMaxClients) || !clients[clientID]) {
+ client->errorValue = stuff->xid;
+ return BadValue;
+ }
+
+ counts = calloc(lastResourceType + 1, sizeof(int));
+
+ FindAllClientResources(clients[clientID], ResFindAllRes, counts);
+
+ num_types = 0;
+
+ for(i = 0; i <= lastResourceType; i++) {
+ if(counts[i]) num_types++;
+ }
+
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.num_types = num_types;
+ rep.length = bytes_to_int32(rep.num_types * sz_xXResType);
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ swapl(&rep.num_types);
+ }
+
+ WriteToClient (client,sizeof(xXResQueryClientResourcesReply),(char*)&rep);
+
+ if(num_types) {
+ xXResType scratch;
+ char *name;
+
+ for(i = 0; i < lastResourceType; i++) {
+ if(!counts[i]) continue;
+
+ name = (char *)LookupResourceName(i + 1);
+ if (strcmp(name, XREGISTRY_UNKNOWN))
+ scratch.resource_type = MakeAtom(name, strlen(name), TRUE);
+ else {
+ char buf[40];
+ snprintf(buf, sizeof(buf), "Unregistered resource %i", i + 1);
+ scratch.resource_type = MakeAtom(buf, strlen(buf), TRUE);
+ }
+
+ scratch.count = counts[i];
+
+ if(client->swapped) {
+ swapl(&scratch.resource_type);
+ swapl(&scratch.count);
+ }
+ WriteToClient (client, sz_xXResType, (char *) &scratch);
+ }
+ }
+
+ free(counts);
+
+ return Success;
+}
+
+static unsigned long
+ResGetApproxPixmapBytes (PixmapPtr pix)
+{
+ unsigned long nPixels;
+ int bytesPerPixel;
+
+ bytesPerPixel = pix->drawable.bitsPerPixel>>3;
+ nPixels = pix->drawable.width * pix->drawable.height;
+
+ /* Divide by refcnt as pixmap could be shared between clients,
+ * so total pixmap mem is shared between these.
+ */
+ return ( nPixels * bytesPerPixel ) / pix->refcnt;
+}
+
+static void
+ResFindPixmaps (pointer value, XID id, pointer cdata)
+{
+ unsigned long *bytes = (unsigned long *)cdata;
+ PixmapPtr pix = (PixmapPtr)value;
+
+ *bytes += ResGetApproxPixmapBytes(pix);
+}
+
+static void
+ResFindWindowPixmaps (pointer value, XID id, pointer cdata)
+{
+ unsigned long *bytes = (unsigned long *)cdata;
+ WindowPtr pWin = (WindowPtr)value;
+
+ if (pWin->backgroundState == BackgroundPixmap)
+ *bytes += ResGetApproxPixmapBytes(pWin->background.pixmap);
+
+ if (pWin->border.pixmap != NULL && !pWin->borderIsPixel)
+ *bytes += ResGetApproxPixmapBytes(pWin->border.pixmap);
+}
+
+static void
+ResFindGCPixmaps (pointer value, XID id, pointer cdata)
+{
+ unsigned long *bytes = (unsigned long *)cdata;
+ GCPtr pGC = (GCPtr)value;
+
+ if (pGC->stipple != NULL)
+ *bytes += ResGetApproxPixmapBytes(pGC->stipple);
+
+ if (pGC->tile.pixmap != NULL && !pGC->tileIsPixel)
+ *bytes += ResGetApproxPixmapBytes(pGC->tile.pixmap);
+}
+
+static int
+ProcXResQueryClientPixmapBytes (ClientPtr client)
+{
+ REQUEST(xXResQueryClientPixmapBytesReq);
+ xXResQueryClientPixmapBytesReply rep;
+ int clientID;
+ unsigned long bytes;
+
+ REQUEST_SIZE_MATCH(xXResQueryClientPixmapBytesReq);
+
+ clientID = CLIENT_ID(stuff->xid);
+
+ if((clientID >= currentMaxClients) || !clients[clientID]) {
+ client->errorValue = stuff->xid;
+ return BadValue;
+ }
+
+ bytes = 0;
+
+ FindClientResourcesByType(clients[clientID], RT_PIXMAP, ResFindPixmaps,
+ (pointer)(&bytes));
+
+ /*
+ * Make sure win background pixmaps also held to account.
+ */
+ FindClientResourcesByType(clients[clientID], RT_WINDOW,
+ ResFindWindowPixmaps,
+ (pointer)(&bytes));
+
+ /*
+ * GC Tile & Stipple pixmaps too.
+ */
+ FindClientResourcesByType(clients[clientID], RT_GC,
+ ResFindGCPixmaps,
+ (pointer)(&bytes));
+
+#ifdef COMPOSITE
+ /* FIXME: include composite pixmaps too */
+#endif
+
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.length = 0;
+ rep.bytes = bytes;
+#ifdef _XSERVER64
+ rep.bytes_overflow = bytes >> 32;
+#else
+ rep.bytes_overflow = 0;
+#endif
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ swapl(&rep.bytes);
+ swapl(&rep.bytes_overflow);
+ }
+ WriteToClient (client,sizeof(xXResQueryClientPixmapBytesReply),(char*)&rep);
+
+ return Success;
+}
+
+static int
+ProcResDispatch (ClientPtr client)
+{
+ REQUEST(xReq);
+ switch (stuff->data) {
+ case X_XResQueryVersion:
+ return ProcXResQueryVersion(client);
+ case X_XResQueryClients:
+ return ProcXResQueryClients(client);
+ case X_XResQueryClientResources:
+ return ProcXResQueryClientResources(client);
+ case X_XResQueryClientPixmapBytes:
+ return ProcXResQueryClientPixmapBytes(client);
+ default: break;
+ }
+
+ return BadRequest;
+}
+
+static int
+SProcXResQueryVersion (ClientPtr client)
+{
+ REQUEST(xXResQueryVersionReq);
+ REQUEST_SIZE_MATCH (xXResQueryVersionReq);
+ return ProcXResQueryVersion(client);
+}
+
+static int
+SProcXResQueryClientResources (ClientPtr client)
+{
+ REQUEST(xXResQueryClientResourcesReq);
+ REQUEST_SIZE_MATCH (xXResQueryClientResourcesReq);
+ swapl(&stuff->xid);
+ return ProcXResQueryClientResources(client);
+}
+
+static int
+SProcXResQueryClientPixmapBytes (ClientPtr client)
+{
+ REQUEST(xXResQueryClientPixmapBytesReq);
+ REQUEST_SIZE_MATCH (xXResQueryClientPixmapBytesReq);
+ swapl(&stuff->xid);
+ return ProcXResQueryClientPixmapBytes(client);
+}
+
+static int
+SProcResDispatch (ClientPtr client)
+{
+ REQUEST(xReq);
+ swaps(&stuff->length);
+
+ switch (stuff->data) {
+ case X_XResQueryVersion:
+ return SProcXResQueryVersion(client);
+ case X_XResQueryClients: /* nothing to swap */
+ return ProcXResQueryClients(client);
+ case X_XResQueryClientResources:
+ return SProcXResQueryClientResources(client);
+ case X_XResQueryClientPixmapBytes:
+ return SProcXResQueryClientPixmapBytes(client);
+ default: break;
+ }
+
+ return BadRequest;
+}
+
+void
+ResExtensionInit(INITARGS)
+{
+ (void) AddExtension(XRES_NAME, 0, 0,
+ ProcResDispatch, SProcResDispatch,
+ NULL, StandardMinorOpcode);
+}
diff --git a/xorg-server/Xext/xselinux_ext.c b/xorg-server/Xext/xselinux_ext.c
index 374571c4b..56f2d1ff2 100644
--- a/xorg-server/Xext/xselinux_ext.c
+++ b/xorg-server/Xext/xselinux_ext.c
@@ -71,11 +71,10 @@ ProcSELinuxQueryVersion(ClientPtr client)
rep.server_major = SELINUX_MAJOR_VERSION;
rep.server_minor = SELINUX_MINOR_VERSION;
if (client->swapped) {
- int n;
- swaps(&rep.sequenceNumber, n);
- swapl(&rep.length, n);
- swaps(&rep.server_major, n);
- swaps(&rep.server_minor, n);
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ swaps(&rep.server_major);
+ swaps(&rep.server_minor);
}
WriteToClient(client, sizeof(rep), (char *)&rep);
return Success;
@@ -100,10 +99,9 @@ SELinuxSendContextReply(ClientPtr client, security_id_t sid)
rep.context_len = len;
if (client->swapped) {
- int n;
- swapl(&rep.length, n);
- swaps(&rep.sequenceNumber, n);
- swapl(&rep.context_len, n);
+ swapl(&rep.length);
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.context_len);
}
WriteToClient(client, sizeof(SELinuxGetContextReply), (char *)&rep);
@@ -353,17 +351,17 @@ SELinuxSendItemsToClient(ClientPtr client, SELinuxListItemRec *items,
for (k = 0; k < count; k++) {
buf[pos] = items[k].id;
if (client->swapped)
- swapl(buf + pos, n);
+ swapl(buf + pos);
pos++;
buf[pos] = items[k].octx_len * 4;
if (client->swapped)
- swapl(buf + pos, n);
+ swapl(buf + pos);
pos++;
buf[pos] = items[k].dctx_len * 4;
if (client->swapped)
- swapl(buf + pos, n);
+ swapl(buf + pos);
pos++;
memcpy((char *)(buf + pos), items[k].octx, strlen(items[k].octx) + 1);
@@ -379,9 +377,9 @@ SELinuxSendItemsToClient(ClientPtr client, SELinuxListItemRec *items,
rep.count = count;
if (client->swapped) {
- swapl(&rep.length, n);
- swaps(&rep.sequenceNumber, n);
- swapl(&rep.count, n);
+ swapl(&rep.length);
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.count);
}
WriteToClient(client, sizeof(SELinuxListItemsReply), (char *)&rep);
@@ -529,11 +527,10 @@ static int
SProcSELinuxQueryVersion(ClientPtr client)
{
REQUEST(SELinuxQueryVersionReq);
- int n;
REQUEST_SIZE_MATCH(SELinuxQueryVersionReq);
- swaps(&stuff->client_major, n);
- swaps(&stuff->client_minor, n);
+ swaps(&stuff->client_major);
+ swaps(&stuff->client_minor);
return ProcSELinuxQueryVersion(client);
}
@@ -541,10 +538,9 @@ static int
SProcSELinuxSetCreateContext(ClientPtr client, unsigned offset)
{
REQUEST(SELinuxSetCreateContextReq);
- int n;
REQUEST_AT_LEAST_SIZE(SELinuxSetCreateContextReq);
- swapl(&stuff->context_len, n);
+ swapl(&stuff->context_len);
return ProcSELinuxSetCreateContext(client, offset);
}
@@ -552,11 +548,10 @@ static int
SProcSELinuxSetDeviceContext(ClientPtr client)
{
REQUEST(SELinuxSetContextReq);
- int n;
REQUEST_AT_LEAST_SIZE(SELinuxSetContextReq);
- swapl(&stuff->id, n);
- swapl(&stuff->context_len, n);
+ swapl(&stuff->id);
+ swapl(&stuff->context_len);
return ProcSELinuxSetDeviceContext(client);
}
@@ -564,10 +559,9 @@ static int
SProcSELinuxGetDeviceContext(ClientPtr client)
{
REQUEST(SELinuxGetContextReq);
- int n;
REQUEST_SIZE_MATCH(SELinuxGetContextReq);
- swapl(&stuff->id, n);
+ swapl(&stuff->id);
return ProcSELinuxGetDeviceContext(client);
}
@@ -575,10 +569,9 @@ static int
SProcSELinuxGetDrawableContext(ClientPtr client)
{
REQUEST(SELinuxGetContextReq);
- int n;
REQUEST_SIZE_MATCH(SELinuxGetContextReq);
- swapl(&stuff->id, n);
+ swapl(&stuff->id);
return ProcSELinuxGetDrawableContext(client);
}
@@ -586,11 +579,10 @@ static int
SProcSELinuxGetPropertyContext(ClientPtr client, pointer privKey)
{
REQUEST(SELinuxGetPropertyContextReq);
- int n;
REQUEST_SIZE_MATCH(SELinuxGetPropertyContextReq);
- swapl(&stuff->window, n);
- swapl(&stuff->property, n);
+ swapl(&stuff->window);
+ swapl(&stuff->property);
return ProcSELinuxGetPropertyContext(client, privKey);
}
@@ -598,10 +590,9 @@ static int
SProcSELinuxGetSelectionContext(ClientPtr client, pointer privKey)
{
REQUEST(SELinuxGetContextReq);
- int n;
REQUEST_SIZE_MATCH(SELinuxGetContextReq);
- swapl(&stuff->id, n);
+ swapl(&stuff->id);
return ProcSELinuxGetSelectionContext(client, privKey);
}
@@ -609,10 +600,9 @@ static int
SProcSELinuxListProperties(ClientPtr client)
{
REQUEST(SELinuxGetContextReq);
- int n;
REQUEST_SIZE_MATCH(SELinuxGetContextReq);
- swapl(&stuff->id, n);
+ swapl(&stuff->id);
return ProcSELinuxListProperties(client);
}
@@ -620,10 +610,9 @@ static int
SProcSELinuxGetClientContext(ClientPtr client)
{
REQUEST(SELinuxGetContextReq);
- int n;
REQUEST_SIZE_MATCH(SELinuxGetContextReq);
- swapl(&stuff->id, n);
+ swapl(&stuff->id);
return ProcSELinuxGetClientContext(client);
}
@@ -631,9 +620,8 @@ static int
SProcSELinuxDispatch(ClientPtr client)
{
REQUEST(xReq);
- int n;
- swaps(&stuff->length, n);
+ swaps(&stuff->length);
switch (stuff->data) {
case X_SELinuxQueryVersion:
diff --git a/xorg-server/Xext/xtest.c b/xorg-server/Xext/xtest.c
index cc675c116..945e202d6 100644
--- a/xorg-server/Xext/xtest.c
+++ b/xorg-server/Xext/xtest.c
@@ -91,7 +91,6 @@ static int
ProcXTestGetVersion(ClientPtr client)
{
xXTestGetVersionReply rep;
- int n;
REQUEST_SIZE_MATCH(xXTestGetVersionReq);
rep.type = X_Reply;
@@ -100,8 +99,8 @@ ProcXTestGetVersion(ClientPtr client)
rep.majorVersion = XTestMajorVersion;
rep.minorVersion = XTestMinorVersion;
if (client->swapped) {
- swaps(&rep.sequenceNumber, n);
- swaps(&rep.minorVersion, n);
+ swaps(&rep.sequenceNumber);
+ swaps(&rep.minorVersion);
}
WriteToClient(client, sizeof(xXTestGetVersionReply), (char *)&rep);
return Success;
@@ -114,7 +113,7 @@ ProcXTestCompareCursor(ClientPtr client)
xXTestCompareCursorReply rep;
WindowPtr pWin;
CursorPtr pCursor;
- int n, rc;
+ int rc;
DeviceIntPtr ptr = PickPointer(client);
REQUEST_SIZE_MATCH(xXTestCompareCursorReq);
@@ -139,7 +138,7 @@ ProcXTestCompareCursor(ClientPtr client)
rep.sequenceNumber = client->sequence;
rep.same = (wCursor(pWin) == pCursor);
if (client->swapped) {
- swaps(&rep.sequenceNumber, n);
+ swaps(&rep.sequenceNumber);
}
WriteToClient(client, sizeof(xXTestCompareCursorReply), (char *)&rep);
return Success;
@@ -348,7 +347,7 @@ ProcXTestFakeInput(ClientPtr client)
if (client->swapped)
{
(void) XTestSwapFakeInput(client, (xReq *)stuff);
- swaps(&stuff->length, n);
+ swaps(&stuff->length);
}
ResetCurrentRequest (client);
client->sequence--;
@@ -476,25 +475,23 @@ ProcXTestDispatch (ClientPtr client)
static int
SProcXTestGetVersion(ClientPtr client)
{
- int n;
REQUEST(xXTestGetVersionReq);
- swaps(&stuff->length, n);
+ swaps(&stuff->length);
REQUEST_SIZE_MATCH(xXTestGetVersionReq);
- swaps(&stuff->minorVersion, n);
+ swaps(&stuff->minorVersion);
return ProcXTestGetVersion(client);
}
static int
SProcXTestCompareCursor(ClientPtr client)
{
- int n;
REQUEST(xXTestCompareCursorReq);
- swaps(&stuff->length, n);
+ swaps(&stuff->length);
REQUEST_SIZE_MATCH(xXTestCompareCursorReq);
- swapl(&stuff->window, n);
- swapl(&stuff->cursor, n);
+ swapl(&stuff->window);
+ swapl(&stuff->cursor);
return ProcXTestCompareCursor(client);
}
@@ -525,10 +522,10 @@ XTestSwapFakeInput(ClientPtr client, xReq *req)
static int
SProcXTestFakeInput(ClientPtr client)
{
- int n;
+ int n;
REQUEST(xReq);
- swaps(&stuff->length, n);
+ swaps(&stuff->length);
n = XTestSwapFakeInput(client, stuff);
if (n != Success)
return n;
@@ -538,10 +535,9 @@ SProcXTestFakeInput(ClientPtr client)
static int
SProcXTestGrabControl(ClientPtr client)
{
- int n;
REQUEST(xXTestGrabControlReq);
- swaps(&stuff->length, n);
+ swaps(&stuff->length);
REQUEST_SIZE_MATCH(xXTestGrabControlReq);
return ProcXTestGrabControl(client);
}
diff --git a/xorg-server/Xext/xvdisp.c b/xorg-server/Xext/xvdisp.c
index b96843159..364a90cf2 100644
--- a/xorg-server/Xext/xvdisp.c
+++ b/xorg-server/Xext/xvdisp.c
@@ -59,12 +59,10 @@ SWriteQueryExtensionReply(
ClientPtr client,
xvQueryExtensionReply *rep
){
- char n;
-
- swaps(&rep->sequenceNumber, n);
- swapl(&rep->length, n);
- swaps(&rep->version, n);
- swaps(&rep->revision, n);
+ swaps(&rep->sequenceNumber);
+ swapl(&rep->length);
+ swaps(&rep->version);
+ swaps(&rep->revision);
(void)WriteToClient(client, sz_xvQueryExtensionReply, (char *)rep);
@@ -76,11 +74,9 @@ SWriteQueryAdaptorsReply(
ClientPtr client,
xvQueryAdaptorsReply *rep
){
- char n;
-
- swaps(&rep->sequenceNumber, n);
- swapl(&rep->length, n);
- swaps(&rep->num_adaptors, n);
+ swaps(&rep->sequenceNumber);
+ swapl(&rep->length);
+ swaps(&rep->num_adaptors);
(void)WriteToClient(client, sz_xvQueryAdaptorsReply, (char *)rep);
@@ -92,11 +88,9 @@ SWriteQueryEncodingsReply(
ClientPtr client,
xvQueryEncodingsReply *rep
){
- char n;
-
- swaps(&rep->sequenceNumber, n);
- swapl(&rep->length, n);
- swaps(&rep->num_encodings, n);
+ swaps(&rep->sequenceNumber);
+ swapl(&rep->length);
+ swaps(&rep->num_encodings);
(void)WriteToClient(client, sz_xvQueryEncodingsReply, (char *)rep);
@@ -108,12 +102,10 @@ SWriteAdaptorInfo(
ClientPtr client,
xvAdaptorInfo *pAdaptor
){
- char n;
-
- swapl(&pAdaptor->base_id, n);
- swaps(&pAdaptor->name_size, n);
- swaps(&pAdaptor->num_ports, n);
- swaps(&pAdaptor->num_formats, n);
+ swapl(&pAdaptor->base_id);
+ swaps(&pAdaptor->name_size);
+ swaps(&pAdaptor->num_ports);
+ swaps(&pAdaptor->num_formats);
(void)WriteToClient(client, sz_xvAdaptorInfo, (char *)pAdaptor);
@@ -125,14 +117,13 @@ SWriteEncodingInfo(
ClientPtr client,
xvEncodingInfo *pEncoding
){
- char n;
- swapl(&pEncoding->encoding, n);
- swaps(&pEncoding->name_size, n);
- swaps(&pEncoding->width, n);
- swaps(&pEncoding->height, n);
- swapl(&pEncoding->rate.numerator, n);
- swapl(&pEncoding->rate.denominator, n);
+ swapl(&pEncoding->encoding);
+ swaps(&pEncoding->name_size);
+ swaps(&pEncoding->width);
+ swaps(&pEncoding->height);
+ swapl(&pEncoding->rate.numerator);
+ swapl(&pEncoding->rate.denominator);
(void)WriteToClient(client, sz_xvEncodingInfo, (char *)pEncoding);
return Success;
@@ -143,9 +134,7 @@ SWriteFormat(
ClientPtr client,
xvFormat *pFormat
){
- char n;
-
- swapl(&pFormat->visual, n);
+ swapl(&pFormat->visual);
(void)WriteToClient(client, sz_xvFormat, (char *)pFormat);
return Success;
@@ -156,12 +145,10 @@ SWriteAttributeInfo(
ClientPtr client,
xvAttributeInfo *pAtt
){
- char n;
-
- swapl(&pAtt->flags, n);
- swapl(&pAtt->size, n);
- swapl(&pAtt->min, n);
- swapl(&pAtt->max, n);
+ swapl(&pAtt->flags);
+ swapl(&pAtt->size);
+ swapl(&pAtt->min);
+ swapl(&pAtt->max);
(void)WriteToClient(client, sz_xvAttributeInfo, (char *)pAtt);
return Success;
@@ -172,21 +159,19 @@ SWriteImageFormatInfo(
ClientPtr client,
xvImageFormatInfo *pImage
){
- char n;
-
- swapl(&pImage->id, n);
- swapl(&pImage->red_mask, n);
- swapl(&pImage->green_mask, n);
- swapl(&pImage->blue_mask, n);
- swapl(&pImage->y_sample_bits, n);
- swapl(&pImage->u_sample_bits, n);
- swapl(&pImage->v_sample_bits, n);
- swapl(&pImage->horz_y_period, n);
- swapl(&pImage->horz_u_period, n);
- swapl(&pImage->horz_v_period, n);
- swapl(&pImage->vert_y_period, n);
- swapl(&pImage->vert_u_period, n);
- swapl(&pImage->vert_v_period, n);
+ swapl(&pImage->id);
+ swapl(&pImage->red_mask);
+ swapl(&pImage->green_mask);
+ swapl(&pImage->blue_mask);
+ swapl(&pImage->y_sample_bits);
+ swapl(&pImage->u_sample_bits);
+ swapl(&pImage->v_sample_bits);
+ swapl(&pImage->horz_y_period);
+ swapl(&pImage->horz_u_period);
+ swapl(&pImage->horz_v_period);
+ swapl(&pImage->vert_y_period);
+ swapl(&pImage->vert_u_period);
+ swapl(&pImage->vert_v_period);
(void)WriteToClient(client, sz_xvImageFormatInfo, (char *)pImage);
@@ -198,10 +183,8 @@ SWriteGrabPortReply(
ClientPtr client,
xvGrabPortReply *rep
){
- char n;
-
- swaps(&rep->sequenceNumber, n);
- swapl(&rep->length, n);
+ swaps(&rep->sequenceNumber);
+ swapl(&rep->length);
(void)WriteToClient(client, sz_xvGrabPortReply, (char *)rep);
@@ -213,11 +196,9 @@ SWriteGetPortAttributeReply(
ClientPtr client,
xvGetPortAttributeReply *rep
){
- char n;
-
- swaps(&rep->sequenceNumber, n);
- swapl(&rep->length, n);
- swapl(&rep->value, n);
+ swaps(&rep->sequenceNumber);
+ swapl(&rep->length);
+ swapl(&rep->value);
(void)WriteToClient(client, sz_xvGetPortAttributeReply, (char *)rep);
@@ -229,12 +210,10 @@ SWriteQueryBestSizeReply(
ClientPtr client,
xvQueryBestSizeReply *rep
){
- char n;
-
- swaps(&rep->sequenceNumber, n);
- swapl(&rep->length, n);
- swaps(&rep->actual_width, n);
- swaps(&rep->actual_height, n);
+ swaps(&rep->sequenceNumber);
+ swapl(&rep->length);
+ swaps(&rep->actual_width);
+ swaps(&rep->actual_height);
(void)WriteToClient(client, sz_xvQueryBestSizeReply, (char *)rep);
@@ -246,12 +225,10 @@ SWriteQueryPortAttributesReply(
ClientPtr client,
xvQueryPortAttributesReply *rep
){
- char n;
-
- swaps(&rep->sequenceNumber, n);
- swapl(&rep->length, n);
- swapl(&rep->num_attributes, n);
- swapl(&rep->text_size, n);
+ swaps(&rep->sequenceNumber);
+ swapl(&rep->length);
+ swapl(&rep->num_attributes);
+ swapl(&rep->text_size);
(void)WriteToClient(client, sz_xvQueryPortAttributesReply, (char *)rep);
@@ -263,14 +240,12 @@ SWriteQueryImageAttributesReply(
ClientPtr client,
xvQueryImageAttributesReply *rep
){
- char n;
-
- swaps(&rep->sequenceNumber, n);
- swapl(&rep->length, n);
- swapl(&rep->num_planes, n);
- swapl(&rep->data_size, n);
- swaps(&rep->width, n);
- swaps(&rep->height, n);
+ swaps(&rep->sequenceNumber);
+ swapl(&rep->length);
+ swapl(&rep->num_planes);
+ swapl(&rep->data_size);
+ swaps(&rep->width);
+ swaps(&rep->height);
(void)WriteToClient(client, sz_xvQueryImageAttributesReply, (char *)rep);
@@ -282,11 +257,9 @@ SWriteListImageFormatsReply(
ClientPtr client,
xvListImageFormatsReply *rep
){
- char n;
-
- swaps(&rep->sequenceNumber, n);
- swapl(&rep->length, n);
- swapl(&rep->num_formats, n);
+ swaps(&rep->sequenceNumber);
+ swapl(&rep->length);
+ swapl(&rep->num_formats);
(void)WriteToClient(client, sz_xvListImageFormatsReply, (char *)rep);
@@ -1278,154 +1251,144 @@ ProcXvDispatch(ClientPtr client)
static int
SProcXvQueryExtension(ClientPtr client)
{
- char n;
REQUEST(xvQueryExtensionReq);
- swaps(&stuff->length, n);
+ swaps(&stuff->length);
return XvProcVector[xv_QueryExtension](client);
}
static int
SProcXvQueryAdaptors(ClientPtr client)
{
- char n;
REQUEST(xvQueryAdaptorsReq);
- swaps(&stuff->length, n);
- swapl(&stuff->window, n);
+ swaps(&stuff->length);
+ swapl(&stuff->window);
return XvProcVector[xv_QueryAdaptors](client);
}
static int
SProcXvQueryEncodings(ClientPtr client)
{
- char n;
REQUEST(xvQueryEncodingsReq);
- swaps(&stuff->length, n);
- swapl(&stuff->port, n);
+ swaps(&stuff->length);
+ swapl(&stuff->port);
return XvProcVector[xv_QueryEncodings](client);
}
static int
SProcXvGrabPort(ClientPtr client)
{
- char n;
REQUEST(xvGrabPortReq);
- swaps(&stuff->length, n);
- swapl(&stuff->port, n);
- swapl(&stuff->time, n);
+ swaps(&stuff->length);
+ swapl(&stuff->port);
+ swapl(&stuff->time);
return XvProcVector[xv_GrabPort](client);
}
static int
SProcXvUngrabPort(ClientPtr client)
{
- char n;
REQUEST(xvUngrabPortReq);
- swaps(&stuff->length, n);
- swapl(&stuff->port, n);
- swapl(&stuff->time, n);
+ swaps(&stuff->length);
+ swapl(&stuff->port);
+ swapl(&stuff->time);
return XvProcVector[xv_UngrabPort](client);
}
static int
SProcXvPutVideo(ClientPtr client)
{
- char n;
REQUEST(xvPutVideoReq);
- swaps(&stuff->length, n);
- swapl(&stuff->port, n);
- swapl(&stuff->drawable, n);
- swapl(&stuff->gc, n);
- swaps(&stuff->vid_x, n);
- swaps(&stuff->vid_y, n);
- swaps(&stuff->vid_w, n);
- swaps(&stuff->vid_h, n);
- swaps(&stuff->drw_x, n);
- swaps(&stuff->drw_y, n);
- swaps(&stuff->drw_w, n);
- swaps(&stuff->drw_h, n);
+ swaps(&stuff->length);
+ swapl(&stuff->port);
+ swapl(&stuff->drawable);
+ swapl(&stuff->gc);
+ swaps(&stuff->vid_x);
+ swaps(&stuff->vid_y);
+ swaps(&stuff->vid_w);
+ swaps(&stuff->vid_h);
+ swaps(&stuff->drw_x);
+ swaps(&stuff->drw_y);
+ swaps(&stuff->drw_w);
+ swaps(&stuff->drw_h);
return XvProcVector[xv_PutVideo](client);
}
static int
SProcXvPutStill(ClientPtr client)
{
- char n;
REQUEST(xvPutStillReq);
- swaps(&stuff->length, n);
- swapl(&stuff->port, n);
- swapl(&stuff->drawable, n);
- swapl(&stuff->gc, n);
- swaps(&stuff->vid_x, n);
- swaps(&stuff->vid_y, n);
- swaps(&stuff->vid_w, n);
- swaps(&stuff->vid_h, n);
- swaps(&stuff->drw_x, n);
- swaps(&stuff->drw_y, n);
- swaps(&stuff->drw_w, n);
- swaps(&stuff->drw_h, n);
+ swaps(&stuff->length);
+ swapl(&stuff->port);
+ swapl(&stuff->drawable);
+ swapl(&stuff->gc);
+ swaps(&stuff->vid_x);
+ swaps(&stuff->vid_y);
+ swaps(&stuff->vid_w);
+ swaps(&stuff->vid_h);
+ swaps(&stuff->drw_x);
+ swaps(&stuff->drw_y);
+ swaps(&stuff->drw_w);
+ swaps(&stuff->drw_h);
return XvProcVector[xv_PutStill](client);
}
static int
SProcXvGetVideo(ClientPtr client)
{
- char n;
REQUEST(xvGetVideoReq);
- swaps(&stuff->length, n);
- swapl(&stuff->port, n);
- swapl(&stuff->drawable, n);
- swapl(&stuff->gc, n);
- swaps(&stuff->vid_x, n);
- swaps(&stuff->vid_y, n);
- swaps(&stuff->vid_w, n);
- swaps(&stuff->vid_h, n);
- swaps(&stuff->drw_x, n);
- swaps(&stuff->drw_y, n);
- swaps(&stuff->drw_w, n);
- swaps(&stuff->drw_h, n);
+ swaps(&stuff->length);
+ swapl(&stuff->port);
+ swapl(&stuff->drawable);
+ swapl(&stuff->gc);
+ swaps(&stuff->vid_x);
+ swaps(&stuff->vid_y);
+ swaps(&stuff->vid_w);
+ swaps(&stuff->vid_h);
+ swaps(&stuff->drw_x);
+ swaps(&stuff->drw_y);
+ swaps(&stuff->drw_w);
+ swaps(&stuff->drw_h);
return XvProcVector[xv_GetVideo](client);
}
static int
SProcXvGetStill(ClientPtr client)
{
- char n;
REQUEST(xvGetStillReq);
- swaps(&stuff->length, n);
- swapl(&stuff->port, n);
- swapl(&stuff->drawable, n);
- swapl(&stuff->gc, n);
- swaps(&stuff->vid_x, n);
- swaps(&stuff->vid_y, n);
- swaps(&stuff->vid_w, n);
- swaps(&stuff->vid_h, n);
- swaps(&stuff->drw_x, n);
- swaps(&stuff->drw_y, n);
- swaps(&stuff->drw_w, n);
- swaps(&stuff->drw_h, n);
+ swaps(&stuff->length);
+ swapl(&stuff->port);
+ swapl(&stuff->drawable);
+ swapl(&stuff->gc);
+ swaps(&stuff->vid_x);
+ swaps(&stuff->vid_y);
+ swaps(&stuff->vid_w);
+ swaps(&stuff->vid_h);
+ swaps(&stuff->drw_x);
+ swaps(&stuff->drw_y);
+ swaps(&stuff->drw_w);
+ swaps(&stuff->drw_h);
return XvProcVector[xv_GetStill](client);
}
static int
SProcXvPutImage(ClientPtr client)
{
- char n;
REQUEST(xvPutImageReq);
- swaps(&stuff->length, n);
- swapl(&stuff->port, n);
- swapl(&stuff->drawable, n);
- swapl(&stuff->gc, n);
- swapl(&stuff->id, n);
- swaps(&stuff->src_x, n);
- swaps(&stuff->src_y, n);
- swaps(&stuff->src_w, n);
- swaps(&stuff->src_h, n);
- swaps(&stuff->drw_x, n);
- swaps(&stuff->drw_y, n);
- swaps(&stuff->drw_w, n);
- swaps(&stuff->drw_h, n);
- swaps(&stuff->width, n);
- swaps(&stuff->height, n);
+ swaps(&stuff->length);
+ swapl(&stuff->port);
+ swapl(&stuff->drawable);
+ swapl(&stuff->gc);
+ swapl(&stuff->id);
+ swaps(&stuff->src_x);
+ swaps(&stuff->src_y);
+ swaps(&stuff->src_w);
+ swaps(&stuff->src_h);
+ swaps(&stuff->drw_x);
+ swaps(&stuff->drw_y);
+ swaps(&stuff->drw_w);
+ swaps(&stuff->drw_h);
+ swaps(&stuff->width);
+ swaps(&stuff->height);
return XvProcVector[xv_PutImage](client);
}
@@ -1433,25 +1396,24 @@ SProcXvPutImage(ClientPtr client)
static int
SProcXvShmPutImage(ClientPtr client)
{
- char n;
REQUEST(xvShmPutImageReq);
- swaps(&stuff->length, n);
- swapl(&stuff->port, n);
- swapl(&stuff->drawable, n);
- swapl(&stuff->gc, n);
- swapl(&stuff->shmseg, n);
- swapl(&stuff->id, n);
- swapl(&stuff->offset, n);
- swaps(&stuff->src_x, n);
- swaps(&stuff->src_y, n);
- swaps(&stuff->src_w, n);
- swaps(&stuff->src_h, n);
- swaps(&stuff->drw_x, n);
- swaps(&stuff->drw_y, n);
- swaps(&stuff->drw_w, n);
- swaps(&stuff->drw_h, n);
- swaps(&stuff->width, n);
- swaps(&stuff->height, n);
+ swaps(&stuff->length);
+ swapl(&stuff->port);
+ swapl(&stuff->drawable);
+ swapl(&stuff->gc);
+ swapl(&stuff->shmseg);
+ swapl(&stuff->id);
+ swapl(&stuff->offset);
+ swaps(&stuff->src_x);
+ swaps(&stuff->src_y);
+ swaps(&stuff->src_w);
+ swaps(&stuff->src_h);
+ swaps(&stuff->drw_x);
+ swaps(&stuff->drw_y);
+ swaps(&stuff->drw_w);
+ swaps(&stuff->drw_h);
+ swaps(&stuff->width);
+ swaps(&stuff->height);
return XvProcVector[xv_ShmPutImage](client);
}
#else /* MITSHM */
@@ -1461,101 +1423,92 @@ SProcXvShmPutImage(ClientPtr client)
static int
SProcXvSelectVideoNotify(ClientPtr client)
{
- char n;
REQUEST(xvSelectVideoNotifyReq);
- swaps(&stuff->length, n);
- swapl(&stuff->drawable, n);
+ swaps(&stuff->length);
+ swapl(&stuff->drawable);
return XvProcVector[xv_SelectVideoNotify](client);
}
static int
SProcXvSelectPortNotify(ClientPtr client)
{
- char n;
REQUEST(xvSelectPortNotifyReq);
- swaps(&stuff->length, n);
- swapl(&stuff->port, n);
+ swaps(&stuff->length);
+ swapl(&stuff->port);
return XvProcVector[xv_SelectPortNotify](client);
}
static int
SProcXvStopVideo(ClientPtr client)
{
- char n;
REQUEST(xvStopVideoReq);
- swaps(&stuff->length, n);
- swapl(&stuff->port, n);
- swapl(&stuff->drawable, n);
+ swaps(&stuff->length);
+ swapl(&stuff->port);
+ swapl(&stuff->drawable);
return XvProcVector[xv_StopVideo](client);
}
static int
SProcXvSetPortAttribute(ClientPtr client)
{
- char n;
REQUEST(xvSetPortAttributeReq);
- swaps(&stuff->length, n);
- swapl(&stuff->port, n);
- swapl(&stuff->attribute, n);
- swapl(&stuff->value, n);
+ swaps(&stuff->length);
+ swapl(&stuff->port);
+ swapl(&stuff->attribute);
+ swapl(&stuff->value);
return XvProcVector[xv_SetPortAttribute](client);
}
static int
SProcXvGetPortAttribute(ClientPtr client)
{
- char n;
REQUEST(xvGetPortAttributeReq);
- swaps(&stuff->length, n);
- swapl(&stuff->port, n);
- swapl(&stuff->attribute, n);
+ swaps(&stuff->length);
+ swapl(&stuff->port);
+ swapl(&stuff->attribute);
return XvProcVector[xv_GetPortAttribute](client);
}
static int
SProcXvQueryBestSize(ClientPtr client)
{
- char n;
REQUEST(xvQueryBestSizeReq);
- swaps(&stuff->length, n);
- swapl(&stuff->port, n);
- swaps(&stuff->vid_w, n);
- swaps(&stuff->vid_h, n);
- swaps(&stuff->drw_w, n);
- swaps(&stuff->drw_h, n);
+ swaps(&stuff->length);
+ swapl(&stuff->port);
+ swaps(&stuff->vid_w);
+ swaps(&stuff->vid_h);
+ swaps(&stuff->drw_w);
+ swaps(&stuff->drw_h);
return XvProcVector[xv_QueryBestSize](client);
}
static int
SProcXvQueryPortAttributes(ClientPtr client)
{
- char n;
REQUEST(xvQueryPortAttributesReq);
- swaps(&stuff->length, n);
- swapl(&stuff->port, n);
+ swaps(&stuff->length);
+ swapl(&stuff->port);
return XvProcVector[xv_QueryPortAttributes](client);
}
static int
SProcXvQueryImageAttributes(ClientPtr client)
{
- char n;
REQUEST(xvQueryImageAttributesReq);
- swaps(&stuff->length, n);
- swapl(&stuff->port, n);
- swapl(&stuff->id, n);
- swaps(&stuff->width, n);
- swaps(&stuff->height, n);
+ swaps(&stuff->length);
+ swapl(&stuff->port);
+ swapl(&stuff->id);
+ swaps(&stuff->width);
+ swaps(&stuff->height);
return XvProcVector[xv_QueryImageAttributes](client);
}
static int
SProcXvListImageFormats(ClientPtr client)
{
- char n;
REQUEST(xvListImageFormatsReq);
- swaps(&stuff->length, n);
- swapl(&stuff->port, n);
+ swaps(&stuff->length);
+ swapl(&stuff->port);
return XvProcVector[xv_ListImageFormats](client);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-01 13:13:34 +0000