xref: /OK3568_Linux_fs/external/xserver/Xext/syncsrv.h (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun 
3*4882a593Smuzhiyun Copyright 1991, 1993, 1994, 1998  The Open Group
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun Permission to use, copy, modify, distribute, and sell this software and its
6*4882a593Smuzhiyun documentation for any purpose is hereby granted without fee, provided that
7*4882a593Smuzhiyun the above copyright notice appear in all copies and that both that
8*4882a593Smuzhiyun copyright notice and this permission notice appear in supporting
9*4882a593Smuzhiyun documentation.
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun The above copyright notice and this permission notice shall be included in
12*4882a593Smuzhiyun all copies or substantial portions of the Software.
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15*4882a593Smuzhiyun IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16*4882a593Smuzhiyun FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
17*4882a593Smuzhiyun OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
18*4882a593Smuzhiyun AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19*4882a593Smuzhiyun CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun Except as contained in this notice, the name of The Open Group shall not be
22*4882a593Smuzhiyun used in advertising or otherwise to promote the sale, use or other dealings
23*4882a593Smuzhiyun in this Software without prior written authorization from The Open Group.
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun */
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun /***********************************************************
28*4882a593Smuzhiyun Copyright 1991,1993 by Digital Equipment Corporation, Maynard, Massachusetts,
29*4882a593Smuzhiyun and Olivetti Research Limited, Cambridge, England.
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun                         All Rights Reserved
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun Permission to use, copy, modify, and distribute this software and its
34*4882a593Smuzhiyun documentation for any purpose and without fee is hereby granted,
35*4882a593Smuzhiyun provided that the above copyright notice appear in all copies and that
36*4882a593Smuzhiyun both that copyright notice and this permission notice appear in
37*4882a593Smuzhiyun supporting documentation, and that the names of Digital or Olivetti
38*4882a593Smuzhiyun not be used in advertising or publicity pertaining to distribution of the
39*4882a593Smuzhiyun software without specific, written prior permission.
40*4882a593Smuzhiyun 
41*4882a593Smuzhiyun DIGITAL AND OLIVETTI DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
42*4882a593Smuzhiyun SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
43*4882a593Smuzhiyun FITNESS, IN NO EVENT SHALL THEY BE LIABLE FOR ANY SPECIAL, INDIRECT OR
44*4882a593Smuzhiyun CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
45*4882a593Smuzhiyun USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
46*4882a593Smuzhiyun OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
47*4882a593Smuzhiyun PERFORMANCE OF THIS SOFTWARE.
48*4882a593Smuzhiyun 
49*4882a593Smuzhiyun ******************************************************************/
50*4882a593Smuzhiyun 
51*4882a593Smuzhiyun #ifndef _SYNCSRV_H_
52*4882a593Smuzhiyun #define _SYNCSRV_H_
53*4882a593Smuzhiyun 
54*4882a593Smuzhiyun #include "list.h"
55*4882a593Smuzhiyun #include "misync.h"
56*4882a593Smuzhiyun #include "misyncstr.h"
57*4882a593Smuzhiyun 
58*4882a593Smuzhiyun /*
59*4882a593Smuzhiyun  * The System Counter interface
60*4882a593Smuzhiyun  */
61*4882a593Smuzhiyun 
62*4882a593Smuzhiyun typedef enum {
63*4882a593Smuzhiyun     XSyncCounterNeverChanges,
64*4882a593Smuzhiyun     XSyncCounterNeverIncreases,
65*4882a593Smuzhiyun     XSyncCounterNeverDecreases,
66*4882a593Smuzhiyun     XSyncCounterUnrestricted
67*4882a593Smuzhiyun } SyncCounterType;
68*4882a593Smuzhiyun 
69*4882a593Smuzhiyun typedef void (*SyncSystemCounterQueryValue)(void *counter,
70*4882a593Smuzhiyun                                             int64_t *value_return
71*4882a593Smuzhiyun     );
72*4882a593Smuzhiyun typedef void (*SyncSystemCounterBracketValues)(void *counter,
73*4882a593Smuzhiyun                                                int64_t *pbracket_less,
74*4882a593Smuzhiyun                                                int64_t *pbracket_greater
75*4882a593Smuzhiyun     );
76*4882a593Smuzhiyun 
77*4882a593Smuzhiyun typedef struct _SysCounterInfo {
78*4882a593Smuzhiyun     SyncCounter *pCounter;
79*4882a593Smuzhiyun     char *name;
80*4882a593Smuzhiyun     int64_t resolution;
81*4882a593Smuzhiyun     int64_t bracket_greater;
82*4882a593Smuzhiyun     int64_t bracket_less;
83*4882a593Smuzhiyun     SyncCounterType counterType;        /* how can this counter change */
84*4882a593Smuzhiyun     SyncSystemCounterQueryValue QueryValue;
85*4882a593Smuzhiyun     SyncSystemCounterBracketValues BracketValues;
86*4882a593Smuzhiyun     void *private;
87*4882a593Smuzhiyun     struct xorg_list entry;
88*4882a593Smuzhiyun } SysCounterInfo;
89*4882a593Smuzhiyun 
90*4882a593Smuzhiyun typedef struct _SyncAlarmClientList {
91*4882a593Smuzhiyun     ClientPtr client;
92*4882a593Smuzhiyun     XID delete_id;
93*4882a593Smuzhiyun     struct _SyncAlarmClientList *next;
94*4882a593Smuzhiyun } SyncAlarmClientList;
95*4882a593Smuzhiyun 
96*4882a593Smuzhiyun typedef struct _SyncAlarm {
97*4882a593Smuzhiyun     SyncTrigger trigger;
98*4882a593Smuzhiyun     ClientPtr client;
99*4882a593Smuzhiyun     XSyncAlarm alarm_id;
100*4882a593Smuzhiyun     int64_t delta;
101*4882a593Smuzhiyun     int events;
102*4882a593Smuzhiyun     int state;
103*4882a593Smuzhiyun     SyncAlarmClientList *pEventClients;
104*4882a593Smuzhiyun } SyncAlarm;
105*4882a593Smuzhiyun 
106*4882a593Smuzhiyun typedef struct {
107*4882a593Smuzhiyun     ClientPtr client;
108*4882a593Smuzhiyun     CARD32 delete_id;
109*4882a593Smuzhiyun     int num_waitconditions;
110*4882a593Smuzhiyun } SyncAwaitHeader;
111*4882a593Smuzhiyun 
112*4882a593Smuzhiyun typedef struct {
113*4882a593Smuzhiyun     SyncTrigger trigger;
114*4882a593Smuzhiyun     int64_t event_threshold;
115*4882a593Smuzhiyun     SyncAwaitHeader *pHeader;
116*4882a593Smuzhiyun } SyncAwait;
117*4882a593Smuzhiyun 
118*4882a593Smuzhiyun typedef union {
119*4882a593Smuzhiyun     SyncAwaitHeader header;
120*4882a593Smuzhiyun     SyncAwait await;
121*4882a593Smuzhiyun } SyncAwaitUnion;
122*4882a593Smuzhiyun 
123*4882a593Smuzhiyun extern SyncCounter* SyncCreateSystemCounter(const char *name,
124*4882a593Smuzhiyun                                             int64_t initial_value,
125*4882a593Smuzhiyun                                             int64_t resolution,
126*4882a593Smuzhiyun                                             SyncCounterType counterType,
127*4882a593Smuzhiyun                                             SyncSystemCounterQueryValue QueryValue,
128*4882a593Smuzhiyun                                             SyncSystemCounterBracketValues BracketValues
129*4882a593Smuzhiyun     );
130*4882a593Smuzhiyun 
131*4882a593Smuzhiyun extern void SyncChangeCounter(SyncCounter *pCounter,
132*4882a593Smuzhiyun                               int64_t new_value);
133*4882a593Smuzhiyun 
134*4882a593Smuzhiyun extern void SyncDestroySystemCounter(void *pCounter);
135*4882a593Smuzhiyun 
136*4882a593Smuzhiyun extern SyncCounter *SyncInitDeviceIdleTime(DeviceIntPtr dev);
137*4882a593Smuzhiyun extern void SyncRemoveDeviceIdleTime(SyncCounter *counter);
138*4882a593Smuzhiyun 
139*4882a593Smuzhiyun int
140*4882a593Smuzhiyun SyncCreateFenceFromFD(ClientPtr client, DrawablePtr pDraw, XID id, int fd, BOOL initially_triggered);
141*4882a593Smuzhiyun 
142*4882a593Smuzhiyun int
143*4882a593Smuzhiyun SyncFDFromFence(ClientPtr client, DrawablePtr pDraw, SyncFence *fence);
144*4882a593Smuzhiyun 
145*4882a593Smuzhiyun void
146*4882a593Smuzhiyun SyncDeleteTriggerFromSyncObject(SyncTrigger * pTrigger);
147*4882a593Smuzhiyun 
148*4882a593Smuzhiyun int
149*4882a593Smuzhiyun SyncAddTriggerToSyncObject(SyncTrigger * pTrigger);
150*4882a593Smuzhiyun 
151*4882a593Smuzhiyun #endif                          /* _SYNCSRV_H_ */
152