[deb_xorg-server.git] / Xext / 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 "list.h"
#include "misync.h"
#include "misyncstr.h"

/*
 * The System Counter interface
 */

typedef enum {
    XSyncCounterNeverChanges,
    XSyncCounterNeverIncreases,
    XSyncCounterNeverDecreases,
    XSyncCounterUnrestricted
} SyncCounterType;

typedef void (*SyncSystemCounterQueryValue)(pointer counter,
                                            CARD64 *value_return
    );
typedef void (*SyncSystemCounterBracketValues)(pointer counter,
                                               CARD64 *pbracket_less,
                                               CARD64 *pbracket_greater
    );

typedef struct _SysCounterInfo {
    SyncCounter *pCounter;
    char *name;
    CARD64 resolution;
    CARD64 bracket_greater;
    CARD64 bracket_less;
    SyncCounterType counterType;        /* how can this counter change */
    SyncSystemCounterQueryValue QueryValue;
    SyncSystemCounterBracketValues BracketValues;
    void *private;
    struct xorg_list entry;
} 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 SyncCounter* SyncCreateSystemCounter(const char *name,
                                            CARD64 initial_value,
                                            CARD64 resolution,
                                            SyncCounterType counterType,
                                            SyncSystemCounterQueryValue QueryValue,
                                            SyncSystemCounterBracketValues BracketValues
    );

extern void SyncChangeCounter(SyncCounter *pCounter,
                              CARD64 new_value
    );

extern void SyncDestroySystemCounter(pointer pCounter);

extern SyncCounter *SyncInitDeviceIdleTime(DeviceIntPtr dev);
extern void SyncRemoveDeviceIdleTime(SyncCounter *counter);

int
SyncCreateFenceFromFD(ClientPtr client, DrawablePtr pDraw, XID id, int fd, BOOL initially_triggered);

int
SyncFDFromFence(ClientPtr client, DrawablePtr pDraw, SyncFence *fence);

void
SyncDeleteTriggerFromSyncObject(SyncTrigger * pTrigger);

int
SyncAddTriggerToSyncObject(SyncTrigger * pTrigger);

#endif                          /* _SYNCSRV_H_ */
Commit	Line	Data
a09e091a JB	1	/*
	2
	3	Copyright 1991, 1993, 1994, 1998 The Open Group
	4
	5	Permission to use, copy, modify, distribute, and sell this software and its
	6	documentation for any purpose is hereby granted without fee, provided that
	7	the above copyright notice appear in all copies and that both that
	8	copyright notice and this permission notice appear in supporting
	9	documentation.
	10
	11	The above copyright notice and this permission notice shall be included in
	12	all copies or substantial portions of the Software.
	13
	14	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	15	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	16	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	17	OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
	18	AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	19	CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
	20
	21	Except as contained in this notice, the name of The Open Group shall not be
	22	used in advertising or otherwise to promote the sale, use or other dealings
	23	in this Software without prior written authorization from The Open Group.
	24
	25	*/
	26
	27	/***********************************************************
	28	Copyright 1991,1993 by Digital Equipment Corporation, Maynard, Massachusetts,
	29	and Olivetti Research Limited, Cambridge, England.
	30
	31	All Rights Reserved
	32
	33	Permission to use, copy, modify, and distribute this software and its
	34	documentation for any purpose and without fee is hereby granted,
	35	provided that the above copyright notice appear in all copies and that
	36	both that copyright notice and this permission notice appear in
	37	supporting documentation, and that the names of Digital or Olivetti
	38	not be used in advertising or publicity pertaining to distribution of the
	39	software without specific, written prior permission.
	40
	41	DIGITAL AND OLIVETTI DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
	42	SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
	43	FITNESS, IN NO EVENT SHALL THEY BE LIABLE FOR ANY SPECIAL, INDIRECT OR
	44	CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
	45	USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
	46	OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
	47	PERFORMANCE OF THIS SOFTWARE.
	48
	49	******************************************************************/
	50
	51	#ifndef _SYNCSRV_H_
	52	#define _SYNCSRV_H_
	53
	54	#include "list.h"
	55	#include "misync.h"
	56	#include "misyncstr.h"
	57
	58	/*
	59	* The System Counter interface
	60	*/
	61
	62	typedef enum {
	63	XSyncCounterNeverChanges,
	64	XSyncCounterNeverIncreases,
65	XSyncCounterNeverDecreases,
66	XSyncCounterUnrestricted
67	} SyncCounterType;
68
69	typedef void (*SyncSystemCounterQueryValue)(pointer counter,
70	CARD64 *value_return
71	);
72	typedef void (*SyncSystemCounterBracketValues)(pointer counter,
73	CARD64 *pbracket_less,
74	CARD64 *pbracket_greater
75	);
76
77	typedef struct _SysCounterInfo {
78	SyncCounter *pCounter;
79	char *name;
80	CARD64 resolution;
81	CARD64 bracket_greater;
82	CARD64 bracket_less;
83	SyncCounterType counterType; /* how can this counter change */
84	SyncSystemCounterQueryValue QueryValue;
85	SyncSystemCounterBracketValues BracketValues;
86	void *private;
87	struct xorg_list entry;
88	} SysCounterInfo;
89
90	typedef struct _SyncAlarmClientList {
91	ClientPtr client;
92	XID delete_id;
93	struct _SyncAlarmClientList *next;
94	} SyncAlarmClientList;
95
96	typedef struct _SyncAlarm {
97	SyncTrigger trigger;
98	ClientPtr client;
99	XSyncAlarm alarm_id;
100	CARD64 delta;
101	int events;
102	int state;
103	SyncAlarmClientList *pEventClients;
104	} SyncAlarm;
105
106	typedef struct {
107	ClientPtr client;
108	CARD32 delete_id;
109	int num_waitconditions;
110	} SyncAwaitHeader;
111
112	typedef struct {
113	SyncTrigger trigger;
114	CARD64 event_threshold;
115	SyncAwaitHeader *pHeader;
116	} SyncAwait;
117
118	typedef union {
119	SyncAwaitHeader header;
120	SyncAwait await;
121	} SyncAwaitUnion;
122
123	extern SyncCounter* SyncCreateSystemCounter(const char *name,
124	CARD64 initial_value,
125	CARD64 resolution,
126	SyncCounterType counterType,
127	SyncSystemCounterQueryValue QueryValue,
128	SyncSystemCounterBracketValues BracketValues
129	);
130
131	extern void SyncChangeCounter(SyncCounter *pCounter,
132	CARD64 new_value
133	);
134
135	extern void SyncDestroySystemCounter(pointer pCounter);
136
137	extern SyncCounter *SyncInitDeviceIdleTime(DeviceIntPtr dev);
138	extern void SyncRemoveDeviceIdleTime(SyncCounter *counter);
139
140	int
141	SyncCreateFenceFromFD(ClientPtr client, DrawablePtr pDraw, XID id, int fd, BOOL initially_triggered);
142
143	int
144	SyncFDFromFence(ClientPtr client, DrawablePtr pDraw, SyncFence *fence);
145
146	void
147	SyncDeleteTriggerFromSyncObject(SyncTrigger * pTrigger);
148
149	int
150	SyncAddTriggerToSyncObject(SyncTrigger * pTrigger);
151
152	#endif /* _SYNCSRV_H_ */