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-rw-r--r--libXext/src/XSync.c1998
1 files changed, 999 insertions, 999 deletions
diff --git a/libXext/src/XSync.c b/libXext/src/XSync.c
index 9fdb47e2f..0e19922dd 100644
--- a/libXext/src/XSync.c
+++ b/libXext/src/XSync.c
@@ -1,999 +1,999 @@
-/*
-
-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 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_CONFIG_H
-#include <config.h>
-#endif
-#include <stdio.h>
-#include <X11/Xlibint.h>
-#include <X11/extensions/Xext.h>
-#include <X11/extensions/extutil.h>
-#include <X11/extensions/sync.h>
-#include <X11/extensions/syncproto.h>
-
-static XExtensionInfo _sync_info_data;
-static XExtensionInfo *sync_info = &_sync_info_data;
-static char *sync_extension_name = SYNC_NAME;
-
-#define SyncCheckExtension(dpy,i,val) \
- XextCheckExtension(dpy, i, sync_extension_name, val)
-#define SyncSimpleCheckExtension(dpy,i) \
- XextSimpleCheckExtension(dpy, i, sync_extension_name)
-
-static int close_display(Display *dpy, XExtCodes *codes);
-static Bool wire_to_event(Display *dpy, XEvent *event, xEvent *wire);
-static Status event_to_wire(Display *dpy, XEvent *event, xEvent *wire);
-static char *error_string(Display *dpy, int code, XExtCodes *codes,
- char *buf, int n);
-
-static XExtensionHooks sync_extension_hooks = {
- NULL, /* create_gc */
- NULL, /* copy_gc */
- NULL, /* flush_gc */
- NULL, /* free_gc */
- NULL, /* create_font */
- NULL, /* free_font */
- close_display, /* close_display */
- wire_to_event, /* wire_to_event */
- event_to_wire, /* event_to_wire */
- NULL, /* error */
- error_string, /* error_string */
-};
-
-static char *sync_error_list[] = {
- "BadCounter",
- "BadAlarm",
- "BadFence",
-};
-
-typedef struct _SyncVersionInfoRec {
- short major;
- short minor;
- int num_errors;
-} SyncVersionInfo;
-
-static /* const */ SyncVersionInfo supported_versions[] = {
- { 3 /* major */, 0 /* minor */, 2 /* num_errors */ },
- { 3 /* major */, 1 /* minor */, 3 /* num_errors */ },
-};
-
-#define NUM_VERSIONS (sizeof(supported_versions)/sizeof(supported_versions[0]))
-#define GET_VERSION(info) ((info) ? (const SyncVersionInfo*)(info)->data : NULL)
-#define IS_VERSION_SUPPORTED(info) (!!GET_VERSION(info))
-
-static
-const SyncVersionInfo* GetVersionInfo(Display *dpy)
-{
- xSyncInitializeReply rep;
- xSyncInitializeReq *req;
- XExtCodes codes;
- int i;
-
- if (!XQueryExtension(dpy, sync_extension_name,
- &codes.major_opcode,
- &codes.first_event,
- &codes.first_error))
- return NULL;
-
- LockDisplay(dpy);
- GetReq(SyncInitialize, req);
- req->reqType = codes.major_opcode;
- req->syncReqType = X_SyncInitialize;
- req->majorVersion = SYNC_MAJOR_VERSION;
- req->minorVersion = SYNC_MINOR_VERSION;
- if (!_XReply(dpy, (xReply *) & rep, 0, xTrue))
- {
- UnlockDisplay(dpy);
- SyncHandle();
- return NULL;
- }
- UnlockDisplay(dpy);
- SyncHandle();
-
- for (i = 0; i < NUM_VERSIONS; i++) {
- if (supported_versions[i].major == rep.majorVersion &&
- supported_versions[i].minor == rep.minorVersion) {
- return &supported_versions[i];
- }
- }
-
- return NULL;
-}
-
-static
-XExtDisplayInfo *find_display_create_optional(Display *dpy, Bool create)
-{
- XExtDisplayInfo *dpyinfo;
-
- if (!sync_info) {
- if (!(sync_info = XextCreateExtension())) return NULL;
- }
-
- if (!(dpyinfo = XextFindDisplay (sync_info, dpy)) && create) {
- dpyinfo = XextAddDisplay(sync_info, dpy,
- sync_extension_name,
- &sync_extension_hooks,
- XSyncNumberEvents,
- (XPointer)GetVersionInfo(dpy));
- }
-
- return dpyinfo;
-}
-
-static
-XExtDisplayInfo *find_display (Display *dpy)
-{
- return find_display_create_optional(dpy, True);
-}
-
-static
-XEXT_GENERATE_CLOSE_DISPLAY(close_display, sync_info)
-
-static
-char *error_string(Display *dpy, int code, XExtCodes *codes, char *buf, int n)
-{
- XExtDisplayInfo *info = find_display_create_optional(dpy, False);
- int nerr = IS_VERSION_SUPPORTED(info) ? GET_VERSION(info)->num_errors : 0;
-
- code -= codes->first_error;
- if (code >= 0 && code < nerr) {
- char tmp[256];
- sprintf (tmp, "%s.%d", sync_extension_name, code);
- XGetErrorDatabaseText (dpy, "XProtoError", tmp, sync_error_list[code], buf, n);
- return buf;
- }
- return (char *)0;
-}
-
-static Bool
-wire_to_event(Display *dpy, XEvent *event, xEvent *wire)
-{
- XExtDisplayInfo *info = find_display(dpy);
- XSyncCounterNotifyEvent *aevent;
- xSyncCounterNotifyEvent *awire;
- XSyncAlarmNotifyEvent *anl;
- xSyncAlarmNotifyEvent *ane;
-
- SyncCheckExtension(dpy, info, False);
-
- switch ((wire->u.u.type & 0x7F) - info->codes->first_event)
- {
- case XSyncCounterNotify:
- awire = (xSyncCounterNotifyEvent *) wire;
- aevent = (XSyncCounterNotifyEvent *) event;
- aevent->type = awire->type & 0x7F;
- aevent->serial = _XSetLastRequestRead(dpy,
- (xGenericReply *) wire);
- aevent->send_event = (awire->type & 0x80) != 0;
- aevent->display = dpy;
- aevent->counter = awire->counter;
- XSyncIntsToValue(&aevent->wait_value, awire->wait_value_lo,
- awire->wait_value_hi);
- XSyncIntsToValue(&aevent->counter_value,
- awire->counter_value_lo,
- awire->counter_value_hi);
- aevent->time = awire->time;
- aevent->count = awire->count;
- aevent->destroyed = awire->destroyed;
- return True;
-
- case XSyncAlarmNotify:
- ane = (xSyncAlarmNotifyEvent *) wire; /* ENCODING EVENT PTR */
- anl = (XSyncAlarmNotifyEvent *) event; /* LIBRARY EVENT PTR */
- anl->type = ane->type & 0x7F;
- anl->serial = _XSetLastRequestRead(dpy,
- (xGenericReply *) wire);
- anl->send_event = (ane->type & 0x80) != 0;
- anl->display = dpy;
- anl->alarm = ane->alarm;
- XSyncIntsToValue(&anl->counter_value,
- ane->counter_value_lo,
- ane->counter_value_hi);
- XSyncIntsToValue(&anl->alarm_value,
- ane->alarm_value_lo,
- ane->alarm_value_hi);
- anl->state = (XSyncAlarmState)ane->state;
- anl->time = ane->time;
- return True;
- }
-
- return False;
-}
-
-static Status
-event_to_wire(Display *dpy, XEvent *event, xEvent *wire)
-{
- XExtDisplayInfo *info = find_display(dpy);
- XSyncCounterNotifyEvent *aevent;
- xSyncCounterNotifyEvent *awire;
- XSyncAlarmNotifyEvent *anl;
- xSyncAlarmNotifyEvent *ane;
-
- SyncCheckExtension(dpy, info, False);
-
- switch ((event->type & 0x7F) - info->codes->first_event)
- {
- case XSyncCounterNotify:
- awire = (xSyncCounterNotifyEvent *) wire;
- aevent = (XSyncCounterNotifyEvent *) event;
- awire->type = aevent->type | (aevent->send_event ? 0x80 : 0);
- awire->sequenceNumber = aevent->serial & 0xFFFF;
- awire->counter = aevent->counter;
- awire->wait_value_lo = XSyncValueLow32(aevent->wait_value);
- awire->wait_value_hi = XSyncValueHigh32(aevent->wait_value);
- awire->counter_value_lo = XSyncValueLow32(aevent->counter_value);
- awire->counter_value_hi = XSyncValueHigh32(aevent->counter_value);
- awire->time = aevent->time;
- awire->count = aevent->count;
- awire->destroyed = aevent->destroyed;
- return True;
-
- case XSyncAlarmNotify:
- ane = (xSyncAlarmNotifyEvent *) wire; /* ENCODING EVENT PTR */
- anl = (XSyncAlarmNotifyEvent *) event; /* LIBRARY EVENT PTR */
- ane->type = anl->type | (anl->send_event ? 0x80 : 0);
- ane->sequenceNumber = anl->serial & 0xFFFF;
- ane->alarm = anl->alarm;
- ane->counter_value_lo = XSyncValueLow32(anl->counter_value);
- ane->counter_value_hi = XSyncValueHigh32(anl->counter_value);
- ane->alarm_value_lo = XSyncValueLow32(anl->alarm_value);
- ane->alarm_value_hi = XSyncValueHigh32(anl->alarm_value);
- ane->state = anl->state;
- ane->time = anl->time;
- return True;
- }
- return False;
-}
-
-Status
-XSyncQueryExtension(
- Display *dpy,
- int *event_base_return, int *error_base_return)
-{
- XExtDisplayInfo *info = find_display(dpy);
-
- if (XextHasExtension(info))
- {
- *event_base_return = info->codes->first_event;
- *error_base_return = info->codes->first_error;
- return True;
- }
- else
- return False;
-}
-
-Status
-XSyncInitialize(
- Display *dpy,
- int *major_version_return, int *minor_version_return)
-{
- XExtDisplayInfo *info = find_display(dpy);
-
- SyncCheckExtension(dpy, info, False);
-
- if (IS_VERSION_SUPPORTED(info)) {
- *major_version_return = GET_VERSION(info)->major;
- *minor_version_return = GET_VERSION(info)->minor;
-
- return True;
- } else {
- return False;
- }
-}
-
-XSyncSystemCounter *
-XSyncListSystemCounters(Display *dpy, int *n_counters_return)
-{
- XExtDisplayInfo *info = find_display(dpy);
- xSyncListSystemCountersReply rep;
- xSyncListSystemCountersReq *req;
- XSyncSystemCounter *list = NULL;
-
- SyncCheckExtension(dpy, info, NULL);
-
- LockDisplay(dpy);
- GetReq(SyncListSystemCounters, req);
- req->reqType = info->codes->major_opcode;
- req->syncReqType = X_SyncListSystemCounters;
- if (!_XReply(dpy, (xReply *) & rep, 0, xFalse))
- goto bail;
-
- *n_counters_return = rep.nCounters;
- if (rep.nCounters > 0)
- {
- xSyncSystemCounter *pWireSysCounter, *pNextWireSysCounter;
- XSyncCounter counter;
- int replylen;
- int i;
-
- list = Xmalloc(rep.nCounters * sizeof(XSyncSystemCounter));
- replylen = rep.length << 2;
- pWireSysCounter = Xmalloc ((unsigned) replylen + sizeof(XSyncCounter));
- /* +1 to leave room for last counter read-ahead */
-
- if ((!list) || (!pWireSysCounter))
- {
- if (list) Xfree((char *) list);
- if (pWireSysCounter) Xfree((char *) pWireSysCounter);
- _XEatData(dpy, (unsigned long) replylen);
- list = NULL;
- goto bail;
- }
-
- _XReadPad(dpy, (char *)pWireSysCounter, replylen);
-
- counter = pWireSysCounter->counter;
- for (i = 0; i < rep.nCounters; i++)
- {
- list[i].counter = counter;
- XSyncIntsToValue(&list[i].resolution,
- pWireSysCounter->resolution_lo,
- pWireSysCounter->resolution_hi);
-
- /* we may be about to clobber the counter field of the
- * next syscounter because we have to add a null terminator
- * to the counter name string. So we save the next counter
- * here.
- */
- pNextWireSysCounter = (xSyncSystemCounter *)
- (((char *)pWireSysCounter) + ((SIZEOF(xSyncSystemCounter) +
- pWireSysCounter->name_length + 3) & ~3));
- counter = pNextWireSysCounter->counter;
-
- list[i].name = ((char *)pWireSysCounter) +
- SIZEOF(xSyncSystemCounter);
- /* null-terminate the string */
- *(list[i].name + pWireSysCounter->name_length) = '\0';
- pWireSysCounter = pNextWireSysCounter;
- }
- }
-
-bail:
- UnlockDisplay(dpy);
- SyncHandle();
- return list;
-}
-
-void
-XSyncFreeSystemCounterList(XSyncSystemCounter *list)
-{
- if (list)
- {
- Xfree( ((char *)list[0].name) - SIZEOF(xSyncSystemCounter));
- Xfree(list);
- }
-}
-
-
-XSyncCounter
-XSyncCreateCounter(Display *dpy, XSyncValue initial_value)
-{
- XExtDisplayInfo *info = find_display(dpy);
- xSyncCreateCounterReq *req;
-
- SyncCheckExtension(dpy, info, None);
-
- LockDisplay(dpy);
- GetReq(SyncCreateCounter, req);
- req->reqType = info->codes->major_opcode;
- req->syncReqType = X_SyncCreateCounter;
-
- req->cid = XAllocID(dpy);
- req->initial_value_lo = XSyncValueLow32(initial_value);
- req->initial_value_hi = XSyncValueHigh32(initial_value);
-
- UnlockDisplay(dpy);
- SyncHandle();
- return req->cid;
-}
-
-Status
-XSyncSetCounter(Display *dpy, XSyncCounter counter, XSyncValue value)
-{
- XExtDisplayInfo *info = find_display(dpy);
- xSyncSetCounterReq *req;
-
- SyncCheckExtension(dpy, info, False);
-
- LockDisplay(dpy);
- GetReq(SyncSetCounter, req);
- req->reqType = info->codes->major_opcode;
- req->syncReqType = X_SyncSetCounter;
- req->cid = counter;
- req->value_lo = XSyncValueLow32(value);
- req->value_hi = XSyncValueHigh32(value);
- UnlockDisplay(dpy);
- SyncHandle();
- return True;
-}
-
-Status
-XSyncChangeCounter(Display *dpy, XSyncCounter counter, XSyncValue value)
-{
- XExtDisplayInfo *info = find_display(dpy);
- xSyncChangeCounterReq *req;
-
- SyncCheckExtension(dpy, info, False);
-
- LockDisplay(dpy);
- GetReq(SyncChangeCounter, req);
- req->reqType = info->codes->major_opcode;
- req->syncReqType = X_SyncChangeCounter;
- req->cid = counter;
- req->value_lo = XSyncValueLow32(value);
- req->value_hi = XSyncValueHigh32(value);
- UnlockDisplay(dpy);
- SyncHandle();
- return True;
-}
-
-Status
-XSyncDestroyCounter(Display *dpy, XSyncCounter counter)
-{
- XExtDisplayInfo *info = find_display(dpy);
- xSyncDestroyCounterReq *req;
-
- SyncCheckExtension(dpy, info, False);
-
- LockDisplay(dpy);
- GetReq(SyncDestroyCounter, req);
- req->reqType = info->codes->major_opcode;
- req->syncReqType = X_SyncDestroyCounter;
- req->counter = counter;
- UnlockDisplay(dpy);
- SyncHandle();
-
- return True;
-}
-
-Status
-XSyncQueryCounter(Display *dpy, XSyncCounter counter, XSyncValue *value_return)
-{
- XExtDisplayInfo *info = find_display(dpy);
- xSyncQueryCounterReply rep;
- xSyncQueryCounterReq *req;
-
- SyncCheckExtension(dpy, info, False);
-
- LockDisplay(dpy);
- GetReq(SyncQueryCounter, req);
- req->reqType = info->codes->major_opcode;
- req->syncReqType = X_SyncQueryCounter;
- req->counter = counter;
- if (!_XReply(dpy, (xReply *) & rep, 0, xTrue))
- {
- UnlockDisplay(dpy);
- SyncHandle();
- return False;
- }
- XSyncIntsToValue(value_return, rep.value_lo, rep.value_hi);
- UnlockDisplay(dpy);
- SyncHandle();
-
- return True;
-}
-
-
-Status
-XSyncAwait(Display *dpy, XSyncWaitCondition *wait_list, int n_conditions)
-{
- XExtDisplayInfo *info = find_display(dpy);
- XSyncWaitCondition *wait_item = wait_list;
- xSyncAwaitReq *req;
- unsigned int len;
-
- SyncCheckExtension(dpy, info, False);
-
- LockDisplay(dpy);
- GetReq(SyncAwait, req);
- req->reqType = info->codes->major_opcode;
- req->syncReqType = X_SyncAwait;
- len = (n_conditions * SIZEOF(xSyncWaitCondition)) >> 2;
- SetReqLen(req, len, len /* XXX */ );
-
- while (n_conditions--)
- {
- xSyncWaitCondition wc;
- wc.counter = wait_item->trigger.counter;
- wc.value_type = wait_item->trigger.value_type;
- wc.wait_value_lo = XSyncValueLow32(wait_item->trigger.wait_value);
- wc.wait_value_hi = XSyncValueHigh32(wait_item->trigger.wait_value);
- wc.test_type = wait_item->trigger.test_type;
- wc.event_threshold_lo = XSyncValueLow32(wait_item->event_threshold);
- wc.event_threshold_hi = XSyncValueHigh32(wait_item->event_threshold);
- Data(dpy, (char *)&wc, SIZEOF(xSyncWaitCondition));
- wait_item++; /* get next trigger */
- }
-
- UnlockDisplay(dpy);
- SyncHandle();
- return True;
-}
-
-static void
-_XProcessAlarmAttributes(Display *dpy, xSyncChangeAlarmReq *req,
- unsigned long valuemask,
- XSyncAlarmAttributes *attributes)
-{
-
- unsigned long values[32];
- unsigned long *value = values;
- unsigned int nvalues;
-
- if (valuemask & XSyncCACounter)
- *value++ = attributes->trigger.counter;
-
- if (valuemask & XSyncCAValueType)
- *value++ = attributes->trigger.value_type;
-
- if (valuemask & XSyncCAValue)
- {
- *value++ = XSyncValueHigh32(attributes->trigger.wait_value);
- *value++ = XSyncValueLow32(attributes->trigger.wait_value);
- }
-
- if (valuemask & XSyncCATestType)
- *value++ = attributes->trigger.test_type;
-
- if (valuemask & XSyncCADelta)
- {
- *value++ = XSyncValueHigh32(attributes->delta);
- *value++ = XSyncValueLow32(attributes->delta);
- }
-
- if (valuemask & XSyncCAEvents)
- *value++ = attributes->events;
-
- /* N.B. the 'state' field cannot be set or changed */
- req->length += (nvalues = value - values);
- nvalues <<= 2; /* watch out for macros... */
-
- Data32(dpy, (long *) values, (long) nvalues);
-}
-
-XSyncAlarm
-XSyncCreateAlarm(
- Display *dpy,
- unsigned long values_mask,
- XSyncAlarmAttributes *values)
-{
- XExtDisplayInfo *info = find_display(dpy);
- xSyncCreateAlarmReq *req;
- XSyncAlarm aid;
-
- SyncCheckExtension(dpy, info, False);
-
- LockDisplay(dpy);
- GetReq(SyncCreateAlarm, req);
- req->reqType = info->codes->major_opcode;
- req->syncReqType = X_SyncCreateAlarm;
- req->id = aid = XAllocID(dpy);
- values_mask &= XSyncCACounter | XSyncCAValueType | XSyncCAValue
- | XSyncCATestType | XSyncCADelta | XSyncCAEvents;
- if ((req->valueMask = values_mask))
- _XProcessAlarmAttributes(dpy, (xSyncChangeAlarmReq *) req,
- values_mask, values);
- UnlockDisplay(dpy);
- SyncHandle();
- return aid;
-}
-
-Status
-XSyncDestroyAlarm(Display *dpy, XSyncAlarm alarm)
-{
- XExtDisplayInfo *info = find_display(dpy);
- xSyncDestroyAlarmReq *req;
-
- SyncCheckExtension(dpy, info, False);
-
- LockDisplay(dpy);
- GetReq(SyncDestroyAlarm, req);
- req->reqType = info->codes->major_opcode;
- req->syncReqType = X_SyncDestroyAlarm;
- req->alarm = alarm;
- UnlockDisplay(dpy);
- SyncHandle();
- return True;
-}
-
-Status
-XSyncQueryAlarm(
- Display *dpy,
- XSyncAlarm alarm,
- XSyncAlarmAttributes *values_return)
-{
- XExtDisplayInfo *info = find_display(dpy);
- xSyncQueryAlarmReq *req;
- xSyncQueryAlarmReply rep;
-
- SyncCheckExtension(dpy, info, False);
-
- LockDisplay(dpy);
- GetReq(SyncQueryAlarm, req);
- req->reqType = info->codes->major_opcode;
- req->syncReqType = X_SyncQueryAlarm;
- req->alarm = alarm;
-
- if (!(_XReply(dpy, (xReply *) & rep,
- ((SIZEOF(xSyncQueryAlarmReply) - SIZEOF(xGenericReply)) >> 2), xFalse)))
- {
- UnlockDisplay(dpy);
- SyncHandle();
- return False;
- }
-
- values_return->trigger.counter = rep.counter;
- values_return->trigger.value_type = (XSyncValueType)rep.value_type;
- XSyncIntsToValue(&values_return->trigger.wait_value,
- rep.wait_value_lo, rep.wait_value_hi);
- values_return->trigger.test_type = (XSyncTestType)rep.test_type;
- XSyncIntsToValue(&values_return->delta, rep.delta_lo,
- rep.delta_hi);
- values_return->events = rep.events;
- values_return->state = (XSyncAlarmState)rep.state;
- UnlockDisplay(dpy);
- SyncHandle();
- return True;
-}
-
-Status
-XSyncChangeAlarm(
- Display *dpy,
- XSyncAlarm alarm,
- unsigned long values_mask,
- XSyncAlarmAttributes *values)
-{
- XExtDisplayInfo *info = find_display(dpy);
- xSyncChangeAlarmReq *req;
-
- SyncCheckExtension(dpy, info, False);
-
- LockDisplay(dpy);
- GetReq(SyncChangeAlarm, req);
- req->reqType = info->codes->major_opcode;
- req->syncReqType = X_SyncChangeAlarm;
- req->alarm = alarm;
- values_mask &= XSyncCACounter | XSyncCAValueType | XSyncCAValue
- | XSyncCATestType | XSyncCADelta | XSyncCAEvents;
- if ((req->valueMask = values_mask))
- _XProcessAlarmAttributes(dpy, req, values_mask, values);
- UnlockDisplay(dpy);
- SyncHandle();
- return True;
-}
-
-Status
-XSyncSetPriority(
- Display *dpy,
- XID client_resource_id,
- int priority)
-{
- XExtDisplayInfo *info = find_display(dpy);
- xSyncSetPriorityReq *req;
-
- SyncCheckExtension(dpy, info, False);
-
- LockDisplay(dpy);
- GetReq(SyncSetPriority, req);
- req->reqType = info->codes->major_opcode;
- req->syncReqType = X_SyncSetPriority;
- req->id = client_resource_id;
- req->priority = priority;
- UnlockDisplay(dpy);
- SyncHandle();
- return True;
-}
-
-Status
-XSyncGetPriority(Display *dpy, XID client_resource_id, int *return_priority)
-{
- XExtDisplayInfo *info = find_display(dpy);
- xSyncGetPriorityReply rep;
- xSyncGetPriorityReq *req;
-
- SyncCheckExtension(dpy, info, False);
-
- LockDisplay(dpy);
- GetReq(SyncGetPriority, req);
- req->reqType = info->codes->major_opcode;
- req->syncReqType = X_SyncGetPriority;
- req->id = client_resource_id;
-
- if (!_XReply(dpy, (xReply *) & rep, 0, xFalse))
- {
- UnlockDisplay(dpy);
- SyncHandle();
- return False;
- }
- if (return_priority)
- *return_priority = rep.priority;
-
- UnlockDisplay(dpy);
- SyncHandle();
- return True;
-}
-
-XSyncFence
-XSyncCreateFence(Display *dpy, Drawable d, Bool initially_triggered)
-{
- XExtDisplayInfo *info = find_display(dpy);
- xSyncCreateFenceReq *req;
- XSyncFence id;
-
- SyncCheckExtension(dpy, info, None);
-
- LockDisplay(dpy);
- GetReq(SyncCreateFence, req);
- req->reqType = info->codes->major_opcode;
- req->syncReqType = X_SyncCreateFence;
-
- req->d = d;
- id = req->fid = XAllocID(dpy);
- req->initially_triggered = initially_triggered;
-
- UnlockDisplay(dpy);
- SyncHandle();
- return id;
-}
-
-Bool
-XSyncTriggerFence(Display *dpy, XSyncFence fence)
-{
- XExtDisplayInfo *info = find_display(dpy);
- xSyncTriggerFenceReq *req;
-
- SyncCheckExtension(dpy, info, None);
-
- LockDisplay(dpy);
- GetReq(SyncTriggerFence, req);
- req->reqType = info->codes->major_opcode;
- req->syncReqType = X_SyncTriggerFence;
-
- req->fid = fence;
-
- UnlockDisplay(dpy);
- SyncHandle();
- return True;
-}
-
-Bool
-XSyncResetFence(Display *dpy, XSyncFence fence)
-{
- XExtDisplayInfo *info = find_display(dpy);
- xSyncResetFenceReq *req;
-
- SyncCheckExtension(dpy, info, None);
-
- LockDisplay(dpy);
- GetReq(SyncResetFence, req);
- req->reqType = info->codes->major_opcode;
- req->syncReqType = X_SyncResetFence;
-
- req->fid = fence;
-
- UnlockDisplay(dpy);
- SyncHandle();
- return True;
-}
-
-Bool
-XSyncDestroyFence(Display *dpy, XSyncFence fence)
-{
- XExtDisplayInfo *info = find_display(dpy);
- xSyncDestroyFenceReq *req;
-
- SyncCheckExtension(dpy, info, None);
-
- LockDisplay(dpy);
- GetReq(SyncDestroyFence, req);
- req->reqType = info->codes->major_opcode;
- req->syncReqType = X_SyncDestroyFence;
-
- req->fid = fence;
-
- UnlockDisplay(dpy);
- SyncHandle();
- return True;
-}
-
-Bool
-XSyncQueryFence(Display *dpy, XSyncFence fence, Bool *triggered)
-{
- XExtDisplayInfo *info = find_display(dpy);
- xSyncQueryFenceReply rep;
- xSyncQueryFenceReq *req;
-
- SyncCheckExtension(dpy, info, None);
-
- LockDisplay(dpy);
- GetReq(SyncQueryFence, req);
- req->reqType = info->codes->major_opcode;
- req->syncReqType = X_SyncQueryFence;
- req->fid = fence;
-
- if (!_XReply(dpy, (xReply *) & rep, 0, xFalse))
- {
- UnlockDisplay(dpy);
- SyncHandle();
- return False;
- }
- if (triggered)
- *triggered = rep.triggered;
-
- UnlockDisplay(dpy);
- SyncHandle();
- return True;
-}
-
-Bool
-XSyncAwaitFence(Display *dpy, const XSyncFence *fence_list, int n_fences)
-{
- XExtDisplayInfo *info = find_display(dpy);
- xSyncAwaitFenceReq *req;
-
- SyncCheckExtension(dpy, info, False);
-
- LockDisplay(dpy);
- GetReq(SyncAwaitFence, req);
- req->reqType = info->codes->major_opcode;
- req->syncReqType = X_SyncAwaitFence;
- SetReqLen(req, n_fences, n_fences);
-
- Data32(dpy, (char *)fence_list, sizeof(CARD32) * n_fences);
-
- UnlockDisplay(dpy);
- SyncHandle();
- return True;
-}
-
-/*
- * Functions corresponding to the macros for manipulating 64-bit values
- */
-
-void
-XSyncIntToValue(XSyncValue *pv, int i)
-{
- _XSyncIntToValue(pv,i);
-}
-
-void
-XSyncIntsToValue(XSyncValue *pv, unsigned int l, int h)
-{
- _XSyncIntsToValue(pv, l, h);
-}
-
-Bool
-XSyncValueGreaterThan(XSyncValue a, XSyncValue b)
-{
- return _XSyncValueGreaterThan(a, b);
-}
-
-Bool
-XSyncValueLessThan(XSyncValue a, XSyncValue b)
-{
- return _XSyncValueLessThan(a, b);
-}
-
-Bool
-XSyncValueGreaterOrEqual(XSyncValue a, XSyncValue b)
-{
- return _XSyncValueGreaterOrEqual(a, b);
-}
-
-Bool
-XSyncValueLessOrEqual(XSyncValue a, XSyncValue b)
-{
- return _XSyncValueLessOrEqual(a, b);
-}
-
-Bool
-XSyncValueEqual(XSyncValue a, XSyncValue b)
-{
- return _XSyncValueEqual(a, b);
-}
-
-Bool
-XSyncValueIsNegative(XSyncValue v)
-{
- return _XSyncValueIsNegative(v);
-}
-
-Bool
-XSyncValueIsZero(XSyncValue a)
-{
- return _XSyncValueIsZero(a);
-}
-
-Bool
-XSyncValueIsPositive(XSyncValue v)
-{
- return _XSyncValueIsPositive(v);
-}
-
-unsigned int
-XSyncValueLow32(XSyncValue v)
-{
- return _XSyncValueLow32(v);
-}
-
-int
-XSyncValueHigh32(XSyncValue v)
-{
- return _XSyncValueHigh32(v);
-}
-
-void
-XSyncValueAdd(XSyncValue *presult, XSyncValue a, XSyncValue b, Bool *poverflow)
-{
- _XSyncValueAdd(presult, a, b, poverflow);
-}
-
-void
-XSyncValueSubtract(
- XSyncValue *presult,
- XSyncValue a, XSyncValue b,
- Bool *poverflow)
-{
- _XSyncValueSubtract(presult, a, b, poverflow);
-}
-
-void
-XSyncMaxValue(XSyncValue *pv)
-{
- _XSyncMaxValue(pv);
-}
-
-void
-XSyncMinValue(XSyncValue *pv)
-{
- _XSyncMinValue(pv);
-}
+/*
+
+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 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_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <X11/Xlibint.h>
+#include <X11/extensions/Xext.h>
+#include <X11/extensions/extutil.h>
+#include <X11/extensions/sync.h>
+#include <X11/extensions/syncproto.h>
+
+static XExtensionInfo _sync_info_data;
+static XExtensionInfo *sync_info = &_sync_info_data;
+static char *sync_extension_name = SYNC_NAME;
+
+#define SyncCheckExtension(dpy,i,val) \
+ XextCheckExtension(dpy, i, sync_extension_name, val)
+#define SyncSimpleCheckExtension(dpy,i) \
+ XextSimpleCheckExtension(dpy, i, sync_extension_name)
+
+static int close_display(Display *dpy, XExtCodes *codes);
+static Bool wire_to_event(Display *dpy, XEvent *event, xEvent *wire);
+static Status event_to_wire(Display *dpy, XEvent *event, xEvent *wire);
+static char *error_string(Display *dpy, int code, XExtCodes *codes,
+ char *buf, int n);
+
+static XExtensionHooks sync_extension_hooks = {
+ NULL, /* create_gc */
+ NULL, /* copy_gc */
+ NULL, /* flush_gc */
+ NULL, /* free_gc */
+ NULL, /* create_font */
+ NULL, /* free_font */
+ close_display, /* close_display */
+ wire_to_event, /* wire_to_event */
+ event_to_wire, /* event_to_wire */
+ NULL, /* error */
+ error_string, /* error_string */
+};
+
+static char *sync_error_list[] = {
+ "BadCounter",
+ "BadAlarm",
+ "BadFence",
+};
+
+typedef struct _SyncVersionInfoRec {
+ short major;
+ short minor;
+ int num_errors;
+} SyncVersionInfo;
+
+static /* const */ SyncVersionInfo supported_versions[] = {
+ { 3 /* major */, 0 /* minor */, 2 /* num_errors */ },
+ { 3 /* major */, 1 /* minor */, 3 /* num_errors */ },
+};
+
+#define NUM_VERSIONS (sizeof(supported_versions)/sizeof(supported_versions[0]))
+#define GET_VERSION(info) ((info) ? (const SyncVersionInfo*)(info)->data : NULL)
+#define IS_VERSION_SUPPORTED(info) (!!GET_VERSION(info))
+
+static
+const SyncVersionInfo* GetVersionInfo(Display *dpy)
+{
+ xSyncInitializeReply rep;
+ xSyncInitializeReq *req;
+ XExtCodes codes;
+ int i;
+
+ if (!XQueryExtension(dpy, sync_extension_name,
+ &codes.major_opcode,
+ &codes.first_event,
+ &codes.first_error))
+ return NULL;
+
+ LockDisplay(dpy);
+ GetReq(SyncInitialize, req);
+ req->reqType = codes.major_opcode;
+ req->syncReqType = X_SyncInitialize;
+ req->majorVersion = SYNC_MAJOR_VERSION;
+ req->minorVersion = SYNC_MINOR_VERSION;
+ if (!_XReply(dpy, (xReply *) & rep, 0, xTrue))
+ {
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return NULL;
+ }
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ for (i = 0; i < NUM_VERSIONS; i++) {
+ if (supported_versions[i].major == rep.majorVersion &&
+ supported_versions[i].minor == rep.minorVersion) {
+ return &supported_versions[i];
+ }
+ }
+
+ return NULL;
+}
+
+static
+XExtDisplayInfo *find_display_create_optional(Display *dpy, Bool create)
+{
+ XExtDisplayInfo *dpyinfo;
+
+ if (!sync_info) {
+ if (!(sync_info = XextCreateExtension())) return NULL;
+ }
+
+ if (!(dpyinfo = XextFindDisplay (sync_info, dpy)) && create) {
+ dpyinfo = XextAddDisplay(sync_info, dpy,
+ sync_extension_name,
+ &sync_extension_hooks,
+ XSyncNumberEvents,
+ (XPointer)GetVersionInfo(dpy));
+ }
+
+ return dpyinfo;
+}
+
+static
+XExtDisplayInfo *find_display (Display *dpy)
+{
+ return find_display_create_optional(dpy, True);
+}
+
+static
+XEXT_GENERATE_CLOSE_DISPLAY(close_display, sync_info)
+
+static
+char *error_string(Display *dpy, int code, XExtCodes *codes, char *buf, int n)
+{
+ XExtDisplayInfo *info = find_display_create_optional(dpy, False);
+ int nerr = IS_VERSION_SUPPORTED(info) ? GET_VERSION(info)->num_errors : 0;
+
+ code -= codes->first_error;
+ if (code >= 0 && code < nerr) {
+ char tmp[256];
+ sprintf (tmp, "%s.%d", sync_extension_name, code);
+ XGetErrorDatabaseText (dpy, "XProtoError", tmp, sync_error_list[code], buf, n);
+ return buf;
+ }
+ return (char *)0;
+}
+
+static Bool
+wire_to_event(Display *dpy, XEvent *event, xEvent *wire)
+{
+ XExtDisplayInfo *info = find_display(dpy);
+ XSyncCounterNotifyEvent *aevent;
+ xSyncCounterNotifyEvent *awire;
+ XSyncAlarmNotifyEvent *anl;
+ xSyncAlarmNotifyEvent *ane;
+
+ SyncCheckExtension(dpy, info, False);
+
+ switch ((wire->u.u.type & 0x7F) - info->codes->first_event)
+ {
+ case XSyncCounterNotify:
+ awire = (xSyncCounterNotifyEvent *) wire;
+ aevent = (XSyncCounterNotifyEvent *) event;
+ aevent->type = awire->type & 0x7F;
+ aevent->serial = _XSetLastRequestRead(dpy,
+ (xGenericReply *) wire);
+ aevent->send_event = (awire->type & 0x80) != 0;
+ aevent->display = dpy;
+ aevent->counter = awire->counter;
+ XSyncIntsToValue(&aevent->wait_value, awire->wait_value_lo,
+ awire->wait_value_hi);
+ XSyncIntsToValue(&aevent->counter_value,
+ awire->counter_value_lo,
+ awire->counter_value_hi);
+ aevent->time = awire->time;
+ aevent->count = awire->count;
+ aevent->destroyed = awire->destroyed;
+ return True;
+
+ case XSyncAlarmNotify:
+ ane = (xSyncAlarmNotifyEvent *) wire; /* ENCODING EVENT PTR */
+ anl = (XSyncAlarmNotifyEvent *) event; /* LIBRARY EVENT PTR */
+ anl->type = ane->type & 0x7F;
+ anl->serial = _XSetLastRequestRead(dpy,
+ (xGenericReply *) wire);
+ anl->send_event = (ane->type & 0x80) != 0;
+ anl->display = dpy;
+ anl->alarm = ane->alarm;
+ XSyncIntsToValue(&anl->counter_value,
+ ane->counter_value_lo,
+ ane->counter_value_hi);
+ XSyncIntsToValue(&anl->alarm_value,
+ ane->alarm_value_lo,
+ ane->alarm_value_hi);
+ anl->state = (XSyncAlarmState)ane->state;
+ anl->time = ane->time;
+ return True;
+ }
+
+ return False;
+}
+
+static Status
+event_to_wire(Display *dpy, XEvent *event, xEvent *wire)
+{
+ XExtDisplayInfo *info = find_display(dpy);
+ XSyncCounterNotifyEvent *aevent;
+ xSyncCounterNotifyEvent *awire;
+ XSyncAlarmNotifyEvent *anl;
+ xSyncAlarmNotifyEvent *ane;
+
+ SyncCheckExtension(dpy, info, False);
+
+ switch ((event->type & 0x7F) - info->codes->first_event)
+ {
+ case XSyncCounterNotify:
+ awire = (xSyncCounterNotifyEvent *) wire;
+ aevent = (XSyncCounterNotifyEvent *) event;
+ awire->type = aevent->type | (aevent->send_event ? 0x80 : 0);
+ awire->sequenceNumber = aevent->serial & 0xFFFF;
+ awire->counter = aevent->counter;
+ awire->wait_value_lo = XSyncValueLow32(aevent->wait_value);
+ awire->wait_value_hi = XSyncValueHigh32(aevent->wait_value);
+ awire->counter_value_lo = XSyncValueLow32(aevent->counter_value);
+ awire->counter_value_hi = XSyncValueHigh32(aevent->counter_value);
+ awire->time = aevent->time;
+ awire->count = aevent->count;
+ awire->destroyed = aevent->destroyed;
+ return True;
+
+ case XSyncAlarmNotify:
+ ane = (xSyncAlarmNotifyEvent *) wire; /* ENCODING EVENT PTR */
+ anl = (XSyncAlarmNotifyEvent *) event; /* LIBRARY EVENT PTR */
+ ane->type = anl->type | (anl->send_event ? 0x80 : 0);
+ ane->sequenceNumber = anl->serial & 0xFFFF;
+ ane->alarm = anl->alarm;
+ ane->counter_value_lo = XSyncValueLow32(anl->counter_value);
+ ane->counter_value_hi = XSyncValueHigh32(anl->counter_value);
+ ane->alarm_value_lo = XSyncValueLow32(anl->alarm_value);
+ ane->alarm_value_hi = XSyncValueHigh32(anl->alarm_value);
+ ane->state = anl->state;
+ ane->time = anl->time;
+ return True;
+ }
+ return False;
+}
+
+Status
+XSyncQueryExtension(
+ Display *dpy,
+ int *event_base_return, int *error_base_return)
+{
+ XExtDisplayInfo *info = find_display(dpy);
+
+ if (XextHasExtension(info))
+ {
+ *event_base_return = info->codes->first_event;
+ *error_base_return = info->codes->first_error;
+ return True;
+ }
+ else
+ return False;
+}
+
+Status
+XSyncInitialize(
+ Display *dpy,
+ int *major_version_return, int *minor_version_return)
+{
+ XExtDisplayInfo *info = find_display(dpy);
+
+ SyncCheckExtension(dpy, info, False);
+
+ if (IS_VERSION_SUPPORTED(info)) {
+ *major_version_return = GET_VERSION(info)->major;
+ *minor_version_return = GET_VERSION(info)->minor;
+
+ return True;
+ } else {
+ return False;
+ }
+}
+
+XSyncSystemCounter *
+XSyncListSystemCounters(Display *dpy, int *n_counters_return)
+{
+ XExtDisplayInfo *info = find_display(dpy);
+ xSyncListSystemCountersReply rep;
+ xSyncListSystemCountersReq *req;
+ XSyncSystemCounter *list = NULL;
+
+ SyncCheckExtension(dpy, info, NULL);
+
+ LockDisplay(dpy);
+ GetReq(SyncListSystemCounters, req);
+ req->reqType = info->codes->major_opcode;
+ req->syncReqType = X_SyncListSystemCounters;
+ if (!_XReply(dpy, (xReply *) & rep, 0, xFalse))
+ goto bail;
+
+ *n_counters_return = rep.nCounters;
+ if (rep.nCounters > 0)
+ {
+ xSyncSystemCounter *pWireSysCounter, *pNextWireSysCounter;
+ XSyncCounter counter;
+ int replylen;
+ int i;
+
+ list = Xmalloc(rep.nCounters * sizeof(XSyncSystemCounter));
+ replylen = rep.length << 2;
+ pWireSysCounter = Xmalloc ((unsigned) replylen + sizeof(XSyncCounter));
+ /* +1 to leave room for last counter read-ahead */
+
+ if ((!list) || (!pWireSysCounter))
+ {
+ if (list) Xfree((char *) list);
+ if (pWireSysCounter) Xfree((char *) pWireSysCounter);
+ _XEatData(dpy, (unsigned long) replylen);
+ list = NULL;
+ goto bail;
+ }
+
+ _XReadPad(dpy, (char *)pWireSysCounter, replylen);
+
+ counter = pWireSysCounter->counter;
+ for (i = 0; i < rep.nCounters; i++)
+ {
+ list[i].counter = counter;
+ XSyncIntsToValue(&list[i].resolution,
+ pWireSysCounter->resolution_lo,
+ pWireSysCounter->resolution_hi);
+
+ /* we may be about to clobber the counter field of the
+ * next syscounter because we have to add a null terminator
+ * to the counter name string. So we save the next counter
+ * here.
+ */
+ pNextWireSysCounter = (xSyncSystemCounter *)
+ (((char *)pWireSysCounter) + ((SIZEOF(xSyncSystemCounter) +
+ pWireSysCounter->name_length + 3) & ~3));
+ counter = pNextWireSysCounter->counter;
+
+ list[i].name = ((char *)pWireSysCounter) +
+ SIZEOF(xSyncSystemCounter);
+ /* null-terminate the string */
+ *(list[i].name + pWireSysCounter->name_length) = '\0';
+ pWireSysCounter = pNextWireSysCounter;
+ }
+ }
+
+bail:
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return list;
+}
+
+void
+XSyncFreeSystemCounterList(XSyncSystemCounter *list)
+{
+ if (list)
+ {
+ Xfree( ((char *)list[0].name) - SIZEOF(xSyncSystemCounter));
+ Xfree(list);
+ }
+}
+
+
+XSyncCounter
+XSyncCreateCounter(Display *dpy, XSyncValue initial_value)
+{
+ XExtDisplayInfo *info = find_display(dpy);
+ xSyncCreateCounterReq *req;
+
+ SyncCheckExtension(dpy, info, None);
+
+ LockDisplay(dpy);
+ GetReq(SyncCreateCounter, req);
+ req->reqType = info->codes->major_opcode;
+ req->syncReqType = X_SyncCreateCounter;
+
+ req->cid = XAllocID(dpy);
+ req->initial_value_lo = XSyncValueLow32(initial_value);
+ req->initial_value_hi = XSyncValueHigh32(initial_value);
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return req->cid;
+}
+
+Status
+XSyncSetCounter(Display *dpy, XSyncCounter counter, XSyncValue value)
+{
+ XExtDisplayInfo *info = find_display(dpy);
+ xSyncSetCounterReq *req;
+
+ SyncCheckExtension(dpy, info, False);
+
+ LockDisplay(dpy);
+ GetReq(SyncSetCounter, req);
+ req->reqType = info->codes->major_opcode;
+ req->syncReqType = X_SyncSetCounter;
+ req->cid = counter;
+ req->value_lo = XSyncValueLow32(value);
+ req->value_hi = XSyncValueHigh32(value);
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return True;
+}
+
+Status
+XSyncChangeCounter(Display *dpy, XSyncCounter counter, XSyncValue value)
+{
+ XExtDisplayInfo *info = find_display(dpy);
+ xSyncChangeCounterReq *req;
+
+ SyncCheckExtension(dpy, info, False);
+
+ LockDisplay(dpy);
+ GetReq(SyncChangeCounter, req);
+ req->reqType = info->codes->major_opcode;
+ req->syncReqType = X_SyncChangeCounter;
+ req->cid = counter;
+ req->value_lo = XSyncValueLow32(value);
+ req->value_hi = XSyncValueHigh32(value);
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return True;
+}
+
+Status
+XSyncDestroyCounter(Display *dpy, XSyncCounter counter)
+{
+ XExtDisplayInfo *info = find_display(dpy);
+ xSyncDestroyCounterReq *req;
+
+ SyncCheckExtension(dpy, info, False);
+
+ LockDisplay(dpy);
+ GetReq(SyncDestroyCounter, req);
+ req->reqType = info->codes->major_opcode;
+ req->syncReqType = X_SyncDestroyCounter;
+ req->counter = counter;
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ return True;
+}
+
+Status
+XSyncQueryCounter(Display *dpy, XSyncCounter counter, XSyncValue *value_return)
+{
+ XExtDisplayInfo *info = find_display(dpy);
+ xSyncQueryCounterReply rep;
+ xSyncQueryCounterReq *req;
+
+ SyncCheckExtension(dpy, info, False);
+
+ LockDisplay(dpy);
+ GetReq(SyncQueryCounter, req);
+ req->reqType = info->codes->major_opcode;
+ req->syncReqType = X_SyncQueryCounter;
+ req->counter = counter;
+ if (!_XReply(dpy, (xReply *) & rep, 0, xTrue))
+ {
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return False;
+ }
+ XSyncIntsToValue(value_return, rep.value_lo, rep.value_hi);
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ return True;
+}
+
+
+Status
+XSyncAwait(Display *dpy, XSyncWaitCondition *wait_list, int n_conditions)
+{
+ XExtDisplayInfo *info = find_display(dpy);
+ XSyncWaitCondition *wait_item = wait_list;
+ xSyncAwaitReq *req;
+ unsigned int len;
+
+ SyncCheckExtension(dpy, info, False);
+
+ LockDisplay(dpy);
+ GetReq(SyncAwait, req);
+ req->reqType = info->codes->major_opcode;
+ req->syncReqType = X_SyncAwait;
+ len = (n_conditions * SIZEOF(xSyncWaitCondition)) >> 2;
+ SetReqLen(req, len, len /* XXX */ );
+
+ while (n_conditions--)
+ {
+ xSyncWaitCondition wc;
+ wc.counter = wait_item->trigger.counter;
+ wc.value_type = wait_item->trigger.value_type;
+ wc.wait_value_lo = XSyncValueLow32(wait_item->trigger.wait_value);
+ wc.wait_value_hi = XSyncValueHigh32(wait_item->trigger.wait_value);
+ wc.test_type = wait_item->trigger.test_type;
+ wc.event_threshold_lo = XSyncValueLow32(wait_item->event_threshold);
+ wc.event_threshold_hi = XSyncValueHigh32(wait_item->event_threshold);
+ Data(dpy, (char *)&wc, SIZEOF(xSyncWaitCondition));
+ wait_item++; /* get next trigger */
+ }
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return True;
+}
+
+static void
+_XProcessAlarmAttributes(Display *dpy, xSyncChangeAlarmReq *req,
+ unsigned long valuemask,
+ XSyncAlarmAttributes *attributes)
+{
+
+ unsigned long values[32];
+ unsigned long *value = values;
+ unsigned int nvalues;
+
+ if (valuemask & XSyncCACounter)
+ *value++ = attributes->trigger.counter;
+
+ if (valuemask & XSyncCAValueType)
+ *value++ = attributes->trigger.value_type;
+
+ if (valuemask & XSyncCAValue)
+ {
+ *value++ = XSyncValueHigh32(attributes->trigger.wait_value);
+ *value++ = XSyncValueLow32(attributes->trigger.wait_value);
+ }
+
+ if (valuemask & XSyncCATestType)
+ *value++ = attributes->trigger.test_type;
+
+ if (valuemask & XSyncCADelta)
+ {
+ *value++ = XSyncValueHigh32(attributes->delta);
+ *value++ = XSyncValueLow32(attributes->delta);
+ }
+
+ if (valuemask & XSyncCAEvents)
+ *value++ = attributes->events;
+
+ /* N.B. the 'state' field cannot be set or changed */
+ req->length += (nvalues = value - values);
+ nvalues <<= 2; /* watch out for macros... */
+
+ Data32(dpy, (long *) values, (long) nvalues);
+}
+
+XSyncAlarm
+XSyncCreateAlarm(
+ Display *dpy,
+ unsigned long values_mask,
+ XSyncAlarmAttributes *values)
+{
+ XExtDisplayInfo *info = find_display(dpy);
+ xSyncCreateAlarmReq *req;
+ XSyncAlarm aid;
+
+ SyncCheckExtension(dpy, info, False);
+
+ LockDisplay(dpy);
+ GetReq(SyncCreateAlarm, req);
+ req->reqType = info->codes->major_opcode;
+ req->syncReqType = X_SyncCreateAlarm;
+ req->id = aid = XAllocID(dpy);
+ values_mask &= XSyncCACounter | XSyncCAValueType | XSyncCAValue
+ | XSyncCATestType | XSyncCADelta | XSyncCAEvents;
+ if ((req->valueMask = values_mask))
+ _XProcessAlarmAttributes(dpy, (xSyncChangeAlarmReq *) req,
+ values_mask, values);
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return aid;
+}
+
+Status
+XSyncDestroyAlarm(Display *dpy, XSyncAlarm alarm)
+{
+ XExtDisplayInfo *info = find_display(dpy);
+ xSyncDestroyAlarmReq *req;
+
+ SyncCheckExtension(dpy, info, False);
+
+ LockDisplay(dpy);
+ GetReq(SyncDestroyAlarm, req);
+ req->reqType = info->codes->major_opcode;
+ req->syncReqType = X_SyncDestroyAlarm;
+ req->alarm = alarm;
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return True;
+}
+
+Status
+XSyncQueryAlarm(
+ Display *dpy,
+ XSyncAlarm alarm,
+ XSyncAlarmAttributes *values_return)
+{
+ XExtDisplayInfo *info = find_display(dpy);
+ xSyncQueryAlarmReq *req;
+ xSyncQueryAlarmReply rep;
+
+ SyncCheckExtension(dpy, info, False);
+
+ LockDisplay(dpy);
+ GetReq(SyncQueryAlarm, req);
+ req->reqType = info->codes->major_opcode;
+ req->syncReqType = X_SyncQueryAlarm;
+ req->alarm = alarm;
+
+ if (!(_XReply(dpy, (xReply *) & rep,
+ ((SIZEOF(xSyncQueryAlarmReply) - SIZEOF(xGenericReply)) >> 2), xFalse)))
+ {
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return False;
+ }
+
+ values_return->trigger.counter = rep.counter;
+ values_return->trigger.value_type = (XSyncValueType)rep.value_type;
+ XSyncIntsToValue(&values_return->trigger.wait_value,
+ rep.wait_value_lo, rep.wait_value_hi);
+ values_return->trigger.test_type = (XSyncTestType)rep.test_type;
+ XSyncIntsToValue(&values_return->delta, rep.delta_lo,
+ rep.delta_hi);
+ values_return->events = rep.events;
+ values_return->state = (XSyncAlarmState)rep.state;
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return True;
+}
+
+Status
+XSyncChangeAlarm(
+ Display *dpy,
+ XSyncAlarm alarm,
+ unsigned long values_mask,
+ XSyncAlarmAttributes *values)
+{
+ XExtDisplayInfo *info = find_display(dpy);
+ xSyncChangeAlarmReq *req;
+
+ SyncCheckExtension(dpy, info, False);
+
+ LockDisplay(dpy);
+ GetReq(SyncChangeAlarm, req);
+ req->reqType = info->codes->major_opcode;
+ req->syncReqType = X_SyncChangeAlarm;
+ req->alarm = alarm;
+ values_mask &= XSyncCACounter | XSyncCAValueType | XSyncCAValue
+ | XSyncCATestType | XSyncCADelta | XSyncCAEvents;
+ if ((req->valueMask = values_mask))
+ _XProcessAlarmAttributes(dpy, req, values_mask, values);
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return True;
+}
+
+Status
+XSyncSetPriority(
+ Display *dpy,
+ XID client_resource_id,
+ int priority)
+{
+ XExtDisplayInfo *info = find_display(dpy);
+ xSyncSetPriorityReq *req;
+
+ SyncCheckExtension(dpy, info, False);
+
+ LockDisplay(dpy);
+ GetReq(SyncSetPriority, req);
+ req->reqType = info->codes->major_opcode;
+ req->syncReqType = X_SyncSetPriority;
+ req->id = client_resource_id;
+ req->priority = priority;
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return True;
+}
+
+Status
+XSyncGetPriority(Display *dpy, XID client_resource_id, int *return_priority)
+{
+ XExtDisplayInfo *info = find_display(dpy);
+ xSyncGetPriorityReply rep;
+ xSyncGetPriorityReq *req;
+
+ SyncCheckExtension(dpy, info, False);
+
+ LockDisplay(dpy);
+ GetReq(SyncGetPriority, req);
+ req->reqType = info->codes->major_opcode;
+ req->syncReqType = X_SyncGetPriority;
+ req->id = client_resource_id;
+
+ if (!_XReply(dpy, (xReply *) & rep, 0, xFalse))
+ {
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return False;
+ }
+ if (return_priority)
+ *return_priority = rep.priority;
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return True;
+}
+
+XSyncFence
+XSyncCreateFence(Display *dpy, Drawable d, Bool initially_triggered)
+{
+ XExtDisplayInfo *info = find_display(dpy);
+ xSyncCreateFenceReq *req;
+ XSyncFence id;
+
+ SyncCheckExtension(dpy, info, None);
+
+ LockDisplay(dpy);
+ GetReq(SyncCreateFence, req);
+ req->reqType = info->codes->major_opcode;
+ req->syncReqType = X_SyncCreateFence;
+
+ req->d = d;
+ id = req->fid = XAllocID(dpy);
+ req->initially_triggered = initially_triggered;
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return id;
+}
+
+Bool
+XSyncTriggerFence(Display *dpy, XSyncFence fence)
+{
+ XExtDisplayInfo *info = find_display(dpy);
+ xSyncTriggerFenceReq *req;
+
+ SyncCheckExtension(dpy, info, None);
+
+ LockDisplay(dpy);
+ GetReq(SyncTriggerFence, req);
+ req->reqType = info->codes->major_opcode;
+ req->syncReqType = X_SyncTriggerFence;
+
+ req->fid = fence;
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return True;
+}
+
+Bool
+XSyncResetFence(Display *dpy, XSyncFence fence)
+{
+ XExtDisplayInfo *info = find_display(dpy);
+ xSyncResetFenceReq *req;
+
+ SyncCheckExtension(dpy, info, None);
+
+ LockDisplay(dpy);
+ GetReq(SyncResetFence, req);
+ req->reqType = info->codes->major_opcode;
+ req->syncReqType = X_SyncResetFence;
+
+ req->fid = fence;
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return True;
+}
+
+Bool
+XSyncDestroyFence(Display *dpy, XSyncFence fence)
+{
+ XExtDisplayInfo *info = find_display(dpy);
+ xSyncDestroyFenceReq *req;
+
+ SyncCheckExtension(dpy, info, None);
+
+ LockDisplay(dpy);
+ GetReq(SyncDestroyFence, req);
+ req->reqType = info->codes->major_opcode;
+ req->syncReqType = X_SyncDestroyFence;
+
+ req->fid = fence;
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return True;
+}
+
+Bool
+XSyncQueryFence(Display *dpy, XSyncFence fence, Bool *triggered)
+{
+ XExtDisplayInfo *info = find_display(dpy);
+ xSyncQueryFenceReply rep;
+ xSyncQueryFenceReq *req;
+
+ SyncCheckExtension(dpy, info, None);
+
+ LockDisplay(dpy);
+ GetReq(SyncQueryFence, req);
+ req->reqType = info->codes->major_opcode;
+ req->syncReqType = X_SyncQueryFence;
+ req->fid = fence;
+
+ if (!_XReply(dpy, (xReply *) & rep, 0, xFalse))
+ {
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return False;
+ }
+ if (triggered)
+ *triggered = rep.triggered;
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return True;
+}
+
+Bool
+XSyncAwaitFence(Display *dpy, const XSyncFence *fence_list, int n_fences)
+{
+ XExtDisplayInfo *info = find_display(dpy);
+ xSyncAwaitFenceReq *req;
+
+ SyncCheckExtension(dpy, info, False);
+
+ LockDisplay(dpy);
+ GetReq(SyncAwaitFence, req);
+ req->reqType = info->codes->major_opcode;
+ req->syncReqType = X_SyncAwaitFence;
+ SetReqLen(req, n_fences, n_fences);
+
+ Data32(dpy, (char *)fence_list, sizeof(CARD32) * n_fences);
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return True;
+}
+
+/*
+ * Functions corresponding to the macros for manipulating 64-bit values
+ */
+
+void
+XSyncIntToValue(XSyncValue *pv, int i)
+{
+ _XSyncIntToValue(pv,i);
+}
+
+void
+XSyncIntsToValue(XSyncValue *pv, unsigned int l, int h)
+{
+ _XSyncIntsToValue(pv, l, h);
+}
+
+Bool
+XSyncValueGreaterThan(XSyncValue a, XSyncValue b)
+{
+ return _XSyncValueGreaterThan(a, b);
+}
+
+Bool
+XSyncValueLessThan(XSyncValue a, XSyncValue b)
+{
+ return _XSyncValueLessThan(a, b);
+}
+
+Bool
+XSyncValueGreaterOrEqual(XSyncValue a, XSyncValue b)
+{
+ return _XSyncValueGreaterOrEqual(a, b);
+}
+
+Bool
+XSyncValueLessOrEqual(XSyncValue a, XSyncValue b)
+{
+ return _XSyncValueLessOrEqual(a, b);
+}
+
+Bool
+XSyncValueEqual(XSyncValue a, XSyncValue b)
+{
+ return _XSyncValueEqual(a, b);
+}
+
+Bool
+XSyncValueIsNegative(XSyncValue v)
+{
+ return _XSyncValueIsNegative(v);
+}
+
+Bool
+XSyncValueIsZero(XSyncValue a)
+{
+ return _XSyncValueIsZero(a);
+}
+
+Bool
+XSyncValueIsPositive(XSyncValue v)
+{
+ return _XSyncValueIsPositive(v);
+}
+
+unsigned int
+XSyncValueLow32(XSyncValue v)
+{
+ return _XSyncValueLow32(v);
+}
+
+int
+XSyncValueHigh32(XSyncValue v)
+{
+ return _XSyncValueHigh32(v);
+}
+
+void
+XSyncValueAdd(XSyncValue *presult, XSyncValue a, XSyncValue b, Bool *poverflow)
+{
+ _XSyncValueAdd(presult, a, b, poverflow);
+}
+
+void
+XSyncValueSubtract(
+ XSyncValue *presult,
+ XSyncValue a, XSyncValue b,
+ Bool *poverflow)
+{
+ _XSyncValueSubtract(presult, a, b, poverflow);
+}
+
+void
+XSyncMaxValue(XSyncValue *pv)
+{
+ _XSyncMaxValue(pv);
+}
+
+void
+XSyncMinValue(XSyncValue *pv)
+{
+ _XSyncMinValue(pv);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-09 13:22:36 +0000