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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_ */ |