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authorroot <root@zombrain.(none)>2011-07-25 08:54:41 (GMT)
committerroot <root@zombrain.(none)>2011-07-25 08:54:41 (GMT)
commitab4fcaad149d4bdccefa8f693c2a8e044b40dd4c (patch)
treec95c280caabc70e7aedbde723e38820047357be7 /Xext/syncsrv.h
initial state (xorg-server 1.10.2)
Diffstat (limited to 'Xext/syncsrv.h')
-rw-r--r--Xext/syncsrv.h146
1 files changed, 146 insertions, 0 deletions
diff --git a/Xext/syncsrv.h b/Xext/syncsrv.h
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+/*
+
+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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