diff options
Diffstat (limited to 'xorg-server/Xext/syncsrv.h')
| -rw-r--r-- | xorg-server/Xext/syncsrv.h | 323 |
1 files changed, 146 insertions, 177 deletions
diff --git a/xorg-server/Xext/syncsrv.h b/xorg-server/Xext/syncsrv.h index 6d0e3d64a..6fe9cd123 100644 --- a/xorg-server/Xext/syncsrv.h +++ b/xorg-server/Xext/syncsrv.h @@ -1,177 +1,146 @@ -/* - -Copyright 1991, 1993, 1994, 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. - -******************************************************************/ - -#ifndef _SYNCSRV_H_ -#define _SYNCSRV_H_ - -#define CARD64 XSyncValue /* XXX temporary! need real 64 bit values for Alpha */ - -typedef struct _SyncCounter { - ClientPtr client; /* Owning client. 0 for system counters */ - XSyncCounter id; /* resource ID */ - CARD64 value; /* counter value */ - struct _SyncTriggerList *pTriglist; /* list of triggers */ - Bool beingDestroyed; /* in process of going away */ - struct _SysCounterInfo *pSysCounterInfo; /* NULL if not a system counter */ -} SyncCounter; - -/* - * The System Counter interface - */ - -typedef enum { - XSyncCounterNeverChanges, - XSyncCounterNeverIncreases, - XSyncCounterNeverDecreases, - XSyncCounterUnrestricted -} SyncCounterType; - -typedef struct _SysCounterInfo { - char *name; - CARD64 resolution; - CARD64 bracket_greater; - CARD64 bracket_less; - SyncCounterType counterType; /* how can this counter change */ - void (*QueryValue)( - pointer /*pCounter*/, - CARD64 * /*freshvalue*/ -); - void (*BracketValues)( - pointer /*pCounter*/, - CARD64 * /*lessthan*/, - CARD64 * /*greaterthan*/ -); -} SysCounterInfo; - - - -typedef struct _SyncTrigger { - SyncCounter *pCounter; - CARD64 wait_value; /* wait value */ - unsigned int value_type; /* Absolute or Relative */ - unsigned int test_type; /* transition or Comparision type */ - CARD64 test_value; /* trigger event threshold value */ - Bool (*CheckTrigger)( - struct _SyncTrigger * /*pTrigger*/, - CARD64 /*newval*/ - ); - void (*TriggerFired)( - struct _SyncTrigger * /*pTrigger*/ - ); - void (*CounterDestroyed)( - struct _SyncTrigger * /*pTrigger*/ - ); -} SyncTrigger; - -typedef struct _SyncTriggerList { - SyncTrigger *pTrigger; - struct _SyncTriggerList *next; -} SyncTriggerList; - -typedef struct _SyncAlarmClientList { - ClientPtr client; - XID delete_id; - struct _SyncAlarmClientList *next; -} SyncAlarmClientList; - -typedef struct _SyncAlarm { - SyncTrigger trigger; - ClientPtr client; - XSyncAlarm alarm_id; - CARD64 delta; - int events; - int state; - SyncAlarmClientList *pEventClients; -} SyncAlarm; - -typedef struct { - ClientPtr client; - CARD32 delete_id; - int num_waitconditions; -} SyncAwaitHeader; - -typedef struct { - SyncTrigger trigger; - CARD64 event_threshold; - SyncAwaitHeader *pHeader; -} SyncAwait; - -typedef union { - SyncAwaitHeader header; - SyncAwait await; -} SyncAwaitUnion; - - -extern pointer SyncCreateSystemCounter( - char * /* name */, - CARD64 /* inital_value */, - CARD64 /* resolution */, - SyncCounterType /* change characterization */, - void (* /*QueryValue*/ ) ( - pointer /* pCounter */, - CARD64 * /* pValue_return */), /* XXX prototype */ - void (* /*BracketValues*/) ( - pointer /* pCounter */, - CARD64 * /* pbracket_less */, - CARD64 * /* pbracket_greater */) -); - -extern void SyncChangeCounter( - SyncCounter * /* pCounter*/, - CARD64 /* new_value */ -); - -extern void SyncDestroySystemCounter( - pointer pCounter -); -extern void InitServertime(void); - -extern void SyncExtensionInit(void); -#endif /* _SYNCSRV_H_ */ +/*
+
+Copyright 1991, 1993, 1994, 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.
+
+******************************************************************/
+
+#ifndef _SYNCSRV_H_
+#define _SYNCSRV_H_
+
+#include "misync.h"
+#include "misyncstr.h"
+
+/*
+ * The System Counter interface
+ */
+
+typedef enum {
+ XSyncCounterNeverChanges,
+ XSyncCounterNeverIncreases,
+ XSyncCounterNeverDecreases,
+ XSyncCounterUnrestricted
+} SyncCounterType;
+
+typedef struct _SysCounterInfo {
+ char *name;
+ CARD64 resolution;
+ CARD64 bracket_greater;
+ CARD64 bracket_less;
+ SyncCounterType counterType; /* how can this counter change */
+ void (*QueryValue)(
+ pointer /*pCounter*/,
+ CARD64 * /*freshvalue*/
+);
+ void (*BracketValues)(
+ pointer /*pCounter*/,
+ CARD64 * /*lessthan*/,
+ CARD64 * /*greaterthan*/
+);
+} SysCounterInfo;
+
+
+
+typedef struct _SyncAlarmClientList {
+ ClientPtr client;
+ XID delete_id;
+ struct _SyncAlarmClientList *next;
+} SyncAlarmClientList;
+
+typedef struct _SyncAlarm {
+ SyncTrigger trigger;
+ ClientPtr client;
+ XSyncAlarm alarm_id;
+ CARD64 delta;
+ int events;
+ int state;
+ SyncAlarmClientList *pEventClients;
+} SyncAlarm;
+
+typedef struct {
+ ClientPtr client;
+ CARD32 delete_id;
+ int num_waitconditions;
+} SyncAwaitHeader;
+
+typedef struct {
+ SyncTrigger trigger;
+ CARD64 event_threshold;
+ SyncAwaitHeader *pHeader;
+} SyncAwait;
+
+typedef union {
+ SyncAwaitHeader header;
+ SyncAwait await;
+} SyncAwaitUnion;
+
+extern pointer SyncCreateSystemCounter(
+ char * /* name */,
+ CARD64 /* inital_value */,
+ CARD64 /* resolution */,
+ SyncCounterType /* change characterization */,
+ void (* /*QueryValue*/ ) (
+ pointer /* pCounter */,
+ CARD64 * /* pValue_return */), /* XXX prototype */
+ void (* /*BracketValues*/) (
+ pointer /* pCounter */,
+ CARD64 * /* pbracket_less */,
+ CARD64 * /* pbracket_greater */)
+);
+
+extern void SyncChangeCounter(
+ SyncCounter * /* pCounter*/,
+ CARD64 /* new_value */
+);
+
+extern void SyncDestroySystemCounter(
+ pointer pCounter
+);
+
+extern void InitServertime(void);
+
+extern void SyncExtensionInit(void);
+#endif /* _SYNCSRV_H_ */
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