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/* $Xorg: syncstr.h,v 1.4 2001/02/09 02:03:24 xorgcvs Exp $ */
/*
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.
******************************************************************/
/* $XFree86: xc/include/extensions/syncstr.h,v 1.3 2003/07/16 01:38:24 dawes Exp $ */
#ifndef _SYNCSTR_H_
#define _SYNCSTR_H_
#include "sync.h"
#ifndef _SYNC_OS
/* cover up types from sync.h to make sure they're the right size for
* protocol packaging. These will be undef'ed after all the protocol
* structures are defined.
*/
#define XSyncCounter CARD32
#define XSyncAlarm CARD32
/*
* Initialize
*/
typedef struct _xSyncInitialize {
CARD8 reqType;
CARD8 syncReqType;
CARD16 length B16;
CARD8 majorVersion;
CARD8 minorVersion;
CARD16 pad B16;
} xSyncInitializeReq;
#define sz_xSyncInitializeReq 8
typedef struct {
BYTE type;
CARD8 unused;
CARD16 sequenceNumber B16;
CARD32 length B32;
CARD8 majorVersion;
CARD8 minorVersion;
CARD16 pad B16;
CARD32 pad0 B32;
CARD32 pad1 B32;
CARD32 pad2 B32;
CARD32 pad3 B32;
CARD32 pad4 B32;
} xSyncInitializeReply;
#define sz_xSyncInitializeReply 32
/*
* ListSystemCounters
*/
typedef struct _xSyncListSystemCounters
{
CARD8 reqType;
CARD8 syncReqType;
CARD16 length B16;
} xSyncListSystemCountersReq;
#define sz_xSyncListSystemCountersReq 4
typedef struct {
BYTE type;
CARD8 unused;
CARD16 sequenceNumber B16;
CARD32 length B32;
INT32 nCounters B32;
CARD32 pad0 B32;
CARD32 pad1 B32;
CARD32 pad2 B32;
CARD32 pad3 B32;
CARD32 pad4 B32;
} xSyncListSystemCountersReply;
#define sz_xSyncListSystemCountersReply 32
typedef struct {
XSyncCounter counter B32;
INT32 resolution_hi B32;
CARD32 resolution_lo B32;
CARD16 name_length B16;
} xSyncSystemCounter;
#define sz_xSyncSystemCounter 14
/*
* Create Counter
*/
typedef struct _xSyncCreateCounterReq {
CARD8 reqType;
CARD8 syncReqType;
CARD16 length B16;
XSyncCounter cid B32;
INT32 initial_value_hi B32;
CARD32 initial_value_lo B32;
} xSyncCreateCounterReq;
#define sz_xSyncCreateCounterReq 16
/*
* Change Counter
*/
typedef struct _xSyncChangeCounterReq {
CARD8 reqType;
CARD8 syncReqType;
CARD16 length B16;
XSyncCounter cid B32;
INT32 value_hi B32;
CARD32 value_lo B32;
} xSyncChangeCounterReq;
#define sz_xSyncChangeCounterReq 16
/*
* Set Counter
*/
typedef struct _xSyncSetCounterReq {
CARD8 reqType;
CARD8 syncReqType;
CARD16 length B16;
XSyncCounter cid B32;
INT32 value_hi B32;
CARD32 value_lo B32;
} xSyncSetCounterReq;
#define sz_xSyncSetCounterReq 16
/*
* Destroy Counter
*/
typedef struct _xSyncDestroyCounterReq {
CARD8 reqType;
CARD8 syncReqType;
CARD16 length B16;
XSyncCounter counter B32;
} xSyncDestroyCounterReq;
#define sz_xSyncDestroyCounterReq 8
/*
* Query Counter
*/
typedef struct _xSyncQueryCounterReq {
CARD8 reqType;
CARD8 syncReqType;
CARD16 length B16;
XSyncCounter counter B32;
} xSyncQueryCounterReq;
#define sz_xSyncQueryCounterReq 8
typedef struct {
BYTE type;
CARD8 unused;
CARD16 sequenceNumber B16;
CARD32 length B32;
INT32 value_hi B32;
CARD32 value_lo B32;
CARD32 pad0 B32;
CARD32 pad1 B32;
CARD32 pad2 B32;
CARD32 pad3 B32;
} xSyncQueryCounterReply;
#define sz_xSyncQueryCounterReply 32
/*
* Await
*/
typedef struct _xSyncAwaitReq {
CARD8 reqType;
CARD8 syncReqType;
CARD16 length B16;
} xSyncAwaitReq;
#define sz_xSyncAwaitReq 4
typedef struct _xSyncWaitCondition {
XSyncCounter counter B32;
CARD32 value_type B32;
INT32 wait_value_hi B32;
CARD32 wait_value_lo B32;
CARD32 test_type B32;
INT32 event_threshold_hi B32;
CARD32 event_threshold_lo B32;
} xSyncWaitCondition;
#define sz_xSyncWaitCondition 28
/*
* Create Alarm
*/
typedef struct _xSyncCreateAlarmReq {
CARD8 reqType;
CARD8 syncReqType;
CARD16 length B16;
XSyncAlarm id B32;
CARD32 valueMask B32;
} xSyncCreateAlarmReq;
#define sz_xSyncCreateAlarmReq 12
/*
* Destroy Alarm
*/
typedef struct _xSyncDestroyAlarmReq {
CARD8 reqType;
CARD8 syncReqType;
CARD16 length B16;
XSyncAlarm alarm B32;
} xSyncDestroyAlarmReq;
#define sz_xSyncDestroyAlarmReq 8
/*
* Query Alarm
*/
typedef struct _xSyncQueryAlarmReq {
CARD8 reqType;
CARD8 syncReqType;
CARD16 length B16;
XSyncAlarm alarm B32;
} xSyncQueryAlarmReq;
#define sz_xSyncQueryAlarmReq 8
typedef struct {
BYTE type;
CARD8 unused;
CARD16 sequenceNumber B16;
CARD32 length B32;
XSyncCounter counter B32;
CARD32 value_type B32;
INT32 wait_value_hi B32;
CARD32 wait_value_lo B32;
CARD32 test_type B32;
INT32 delta_hi B32;
CARD32 delta_lo B32;
BOOL events;
BYTE state;
BYTE pad0;
BYTE pad1;
} xSyncQueryAlarmReply;
#define sz_xSyncQueryAlarmReply 40
/*
* Change Alarm
*/
typedef struct _xSyncChangeAlarmReq {
CARD8 reqType;
CARD8 syncReqType;
CARD16 length B16;
XSyncAlarm alarm B32;
CARD32 valueMask B32;
} xSyncChangeAlarmReq;
#define sz_xSyncChangeAlarmReq 12
/*
* SetPriority
*/
typedef struct _xSyncSetPriority{
CARD8 reqType;
CARD8 syncReqType;
CARD16 length B16;
CARD32 id B32;
INT32 priority B32;
} xSyncSetPriorityReq;
#define sz_xSyncSetPriorityReq 12
/*
* Get Priority
*/
typedef struct _xSyncGetPriority{
CARD8 reqType;
CARD8 syncReqType;
CARD16 length B16;
CARD32 id B32; /*XXX XID? */
} xSyncGetPriorityReq;
#define sz_xSyncGetPriorityReq 8
typedef struct {
BYTE type;
CARD8 unused;
CARD16 sequenceNumber B16;
CARD32 length B32;
INT32 priority B32;
CARD32 pad0 B32;
CARD32 pad1 B32;
CARD32 pad2 B32;
CARD32 pad3 B32;
CARD32 pad4 B32;
} xSyncGetPriorityReply;
#define sz_xSyncGetPriorityReply 32
/*
* Events
*/
typedef struct _xSyncCounterNotifyEvent {
BYTE type;
BYTE kind;
CARD16 sequenceNumber B16;
XSyncCounter counter B32;
INT32 wait_value_hi B32;
CARD32 wait_value_lo B32;
INT32 counter_value_hi B32;
CARD32 counter_value_lo B32;
CARD32 time B32;
CARD16 count B16;
BOOL destroyed;
BYTE pad0;
} xSyncCounterNotifyEvent;
typedef struct _xSyncAlarmNotifyEvent {
BYTE type;
BYTE kind;
CARD16 sequenceNumber B16;
XSyncAlarm alarm B32;
INT32 counter_value_hi B32;
CARD32 counter_value_lo B32;
INT32 alarm_value_hi B32;
CARD32 alarm_value_lo B32;
CARD32 time B32;
CARD8 state;
BYTE pad0;
BYTE pad1;
BYTE pad2;
} xSyncAlarmNotifyEvent;
#undef XSyncCounter
#undef XSyncAlarm
#endif /* _SYNC_OS */
#ifdef _SYNC_SERVER
#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);
#endif /* _SYNC_SERVER */
#endif /* _SYNCSTR_H_ */