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Diffstat (limited to 'X11/extensions/syncstr.h')
| -rw-r--r-- | X11/extensions/syncstr.h | 494 |
1 files changed, 494 insertions, 0 deletions
diff --git a/X11/extensions/syncstr.h b/X11/extensions/syncstr.h new file mode 100644 index 000000000..4e384f22e --- /dev/null +++ b/X11/extensions/syncstr.h @@ -0,0 +1,494 @@ +/* $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_ */ |