495 lines
12 KiB
C
495 lines
12 KiB
C
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/* $Xorg: syncstr.h,v 1.4 2001/02/09 02:03:24 xorgcvs Exp $ */
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/*
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Copyright 1991, 1993, 1994, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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*/
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/***********************************************************
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Copyright 1991,1993 by Digital Equipment Corporation, Maynard, Massachusetts,
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and Olivetti Research Limited, Cambridge, England.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the names of Digital or Olivetti
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not be used in advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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DIGITAL AND OLIVETTI DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS, IN NO EVENT SHALL THEY BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
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USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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PERFORMANCE OF THIS SOFTWARE.
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******************************************************************/
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/* $XFree86: xc/include/extensions/syncstr.h,v 1.3 2003/07/16 01:38:24 dawes Exp $ */
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#ifndef _SYNCSTR_H_
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#define _SYNCSTR_H_
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#include "sync.h"
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#ifndef _SYNC_OS
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/* cover up types from sync.h to make sure they're the right size for
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* protocol packaging. These will be undef'ed after all the protocol
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* structures are defined.
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*/
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#define XSyncCounter CARD32
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#define XSyncAlarm CARD32
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/*
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* Initialize
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*/
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typedef struct _xSyncInitialize {
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CARD8 reqType;
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CARD8 syncReqType;
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CARD16 length B16;
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CARD8 majorVersion;
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CARD8 minorVersion;
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CARD16 pad B16;
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} xSyncInitializeReq;
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#define sz_xSyncInitializeReq 8
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typedef struct {
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BYTE type;
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CARD8 unused;
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CARD16 sequenceNumber B16;
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CARD32 length B32;
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CARD8 majorVersion;
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CARD8 minorVersion;
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CARD16 pad B16;
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CARD32 pad0 B32;
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CARD32 pad1 B32;
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CARD32 pad2 B32;
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CARD32 pad3 B32;
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CARD32 pad4 B32;
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} xSyncInitializeReply;
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#define sz_xSyncInitializeReply 32
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/*
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* ListSystemCounters
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*/
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typedef struct _xSyncListSystemCounters
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{
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CARD8 reqType;
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CARD8 syncReqType;
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CARD16 length B16;
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} xSyncListSystemCountersReq;
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#define sz_xSyncListSystemCountersReq 4
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typedef struct {
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BYTE type;
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CARD8 unused;
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CARD16 sequenceNumber B16;
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CARD32 length B32;
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INT32 nCounters B32;
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CARD32 pad0 B32;
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CARD32 pad1 B32;
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CARD32 pad2 B32;
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CARD32 pad3 B32;
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CARD32 pad4 B32;
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} xSyncListSystemCountersReply;
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#define sz_xSyncListSystemCountersReply 32
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typedef struct {
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XSyncCounter counter B32;
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INT32 resolution_hi B32;
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CARD32 resolution_lo B32;
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CARD16 name_length B16;
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} xSyncSystemCounter;
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#define sz_xSyncSystemCounter 14
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/*
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* Create Counter
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*/
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typedef struct _xSyncCreateCounterReq {
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CARD8 reqType;
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CARD8 syncReqType;
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CARD16 length B16;
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XSyncCounter cid B32;
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INT32 initial_value_hi B32;
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CARD32 initial_value_lo B32;
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} xSyncCreateCounterReq;
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#define sz_xSyncCreateCounterReq 16
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/*
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* Change Counter
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*/
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typedef struct _xSyncChangeCounterReq {
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CARD8 reqType;
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CARD8 syncReqType;
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CARD16 length B16;
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XSyncCounter cid B32;
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INT32 value_hi B32;
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CARD32 value_lo B32;
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} xSyncChangeCounterReq;
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#define sz_xSyncChangeCounterReq 16
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/*
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* Set Counter
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*/
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typedef struct _xSyncSetCounterReq {
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CARD8 reqType;
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CARD8 syncReqType;
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CARD16 length B16;
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XSyncCounter cid B32;
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INT32 value_hi B32;
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CARD32 value_lo B32;
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} xSyncSetCounterReq;
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#define sz_xSyncSetCounterReq 16
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/*
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* Destroy Counter
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*/
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typedef struct _xSyncDestroyCounterReq {
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CARD8 reqType;
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CARD8 syncReqType;
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CARD16 length B16;
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XSyncCounter counter B32;
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} xSyncDestroyCounterReq;
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#define sz_xSyncDestroyCounterReq 8
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/*
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* Query Counter
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*/
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typedef struct _xSyncQueryCounterReq {
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CARD8 reqType;
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CARD8 syncReqType;
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CARD16 length B16;
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XSyncCounter counter B32;
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} xSyncQueryCounterReq;
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#define sz_xSyncQueryCounterReq 8
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typedef struct {
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BYTE type;
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CARD8 unused;
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CARD16 sequenceNumber B16;
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CARD32 length B32;
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INT32 value_hi B32;
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CARD32 value_lo B32;
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CARD32 pad0 B32;
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CARD32 pad1 B32;
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CARD32 pad2 B32;
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CARD32 pad3 B32;
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} xSyncQueryCounterReply;
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#define sz_xSyncQueryCounterReply 32
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/*
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* Await
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*/
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typedef struct _xSyncAwaitReq {
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CARD8 reqType;
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CARD8 syncReqType;
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CARD16 length B16;
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} xSyncAwaitReq;
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#define sz_xSyncAwaitReq 4
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typedef struct _xSyncWaitCondition {
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XSyncCounter counter B32;
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CARD32 value_type B32;
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INT32 wait_value_hi B32;
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CARD32 wait_value_lo B32;
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CARD32 test_type B32;
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INT32 event_threshold_hi B32;
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CARD32 event_threshold_lo B32;
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} xSyncWaitCondition;
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#define sz_xSyncWaitCondition 28
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/*
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* Create Alarm
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*/
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typedef struct _xSyncCreateAlarmReq {
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CARD8 reqType;
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CARD8 syncReqType;
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CARD16 length B16;
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XSyncAlarm id B32;
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CARD32 valueMask B32;
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} xSyncCreateAlarmReq;
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#define sz_xSyncCreateAlarmReq 12
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/*
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* Destroy Alarm
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*/
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typedef struct _xSyncDestroyAlarmReq {
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CARD8 reqType;
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CARD8 syncReqType;
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CARD16 length B16;
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XSyncAlarm alarm B32;
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} xSyncDestroyAlarmReq;
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#define sz_xSyncDestroyAlarmReq 8
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/*
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* Query Alarm
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*/
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typedef struct _xSyncQueryAlarmReq {
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CARD8 reqType;
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CARD8 syncReqType;
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CARD16 length B16;
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XSyncAlarm alarm B32;
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} xSyncQueryAlarmReq;
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#define sz_xSyncQueryAlarmReq 8
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typedef struct {
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BYTE type;
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CARD8 unused;
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CARD16 sequenceNumber B16;
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CARD32 length B32;
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XSyncCounter counter B32;
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CARD32 value_type B32;
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INT32 wait_value_hi B32;
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CARD32 wait_value_lo B32;
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CARD32 test_type B32;
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INT32 delta_hi B32;
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CARD32 delta_lo B32;
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BOOL events;
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BYTE state;
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BYTE pad0;
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BYTE pad1;
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} xSyncQueryAlarmReply;
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#define sz_xSyncQueryAlarmReply 40
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/*
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* Change Alarm
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*/
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typedef struct _xSyncChangeAlarmReq {
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CARD8 reqType;
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CARD8 syncReqType;
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CARD16 length B16;
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XSyncAlarm alarm B32;
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CARD32 valueMask B32;
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} xSyncChangeAlarmReq;
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#define sz_xSyncChangeAlarmReq 12
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/*
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* SetPriority
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*/
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typedef struct _xSyncSetPriority{
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CARD8 reqType;
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CARD8 syncReqType;
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CARD16 length B16;
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CARD32 id B32;
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INT32 priority B32;
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} xSyncSetPriorityReq;
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#define sz_xSyncSetPriorityReq 12
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/*
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* Get Priority
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*/
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typedef struct _xSyncGetPriority{
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CARD8 reqType;
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CARD8 syncReqType;
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CARD16 length B16;
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CARD32 id B32; /*XXX XID? */
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} xSyncGetPriorityReq;
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#define sz_xSyncGetPriorityReq 8
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typedef struct {
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BYTE type;
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CARD8 unused;
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CARD16 sequenceNumber B16;
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CARD32 length B32;
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INT32 priority B32;
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CARD32 pad0 B32;
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CARD32 pad1 B32;
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CARD32 pad2 B32;
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CARD32 pad3 B32;
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CARD32 pad4 B32;
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} xSyncGetPriorityReply;
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#define sz_xSyncGetPriorityReply 32
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/*
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* Events
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*/
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typedef struct _xSyncCounterNotifyEvent {
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BYTE type;
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BYTE kind;
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CARD16 sequenceNumber B16;
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XSyncCounter counter B32;
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INT32 wait_value_hi B32;
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CARD32 wait_value_lo B32;
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INT32 counter_value_hi B32;
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CARD32 counter_value_lo B32;
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CARD32 time B32;
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CARD16 count B16;
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BOOL destroyed;
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BYTE pad0;
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} xSyncCounterNotifyEvent;
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typedef struct _xSyncAlarmNotifyEvent {
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BYTE type;
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BYTE kind;
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CARD16 sequenceNumber B16;
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XSyncAlarm alarm B32;
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INT32 counter_value_hi B32;
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CARD32 counter_value_lo B32;
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INT32 alarm_value_hi B32;
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CARD32 alarm_value_lo B32;
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CARD32 time B32;
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CARD8 state;
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BYTE pad0;
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BYTE pad1;
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BYTE pad2;
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} xSyncAlarmNotifyEvent;
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#undef XSyncCounter
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#undef XSyncAlarm
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#endif /* _SYNC_OS */
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#ifdef _SYNC_SERVER
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#define CARD64 XSyncValue /* XXX temporary! need real 64 bit values for Alpha */
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typedef struct _SyncCounter {
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ClientPtr client; /* Owning client. 0 for system counters */
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XSyncCounter id; /* resource ID */
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CARD64 value; /* counter value */
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struct _SyncTriggerList *pTriglist; /* list of triggers */
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Bool beingDestroyed; /* in process of going away */
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struct _SysCounterInfo *pSysCounterInfo; /* NULL if not a system counter */
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} SyncCounter;
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/*
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* The System Counter interface
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*/
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typedef enum {
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XSyncCounterNeverChanges,
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XSyncCounterNeverIncreases,
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XSyncCounterNeverDecreases,
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XSyncCounterUnrestricted
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} SyncCounterType;
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typedef struct _SysCounterInfo {
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char *name;
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CARD64 resolution;
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CARD64 bracket_greater;
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CARD64 bracket_less;
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SyncCounterType counterType; /* how can this counter change */
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void (*QueryValue)(
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pointer /*pCounter*/,
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CARD64 * /*freshvalue*/
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);
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void (*BracketValues)(
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pointer /*pCounter*/,
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|
|
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_ */
|