Mercurial > sdl-ios-xcode

annotate src/thread/pth/SDL_syscond.c @ 2831:7173fc5c7ef6

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fixed crashes when resizing video modes
author Sam Lantinga <slouken@libsdl.org>
date Fri, 05 Dec 2008 06:19:49 +0000
parents c121d94672cb
children 99210400e8b9
rev   line source
1402
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
1 /*
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
2 SDL - Simple DirectMedia Layer
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
3 Copyright (C) 1997-2006 Sam Lantinga
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
4
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
5 This library is free software; you can redistribute it and/or
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
6 modify it under the terms of the GNU Lesser General Public
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
7 License as published by the Free Software Foundation; either
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
8 version 2.1 of the License, or (at your option) any later version.
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
9
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
10 This library is distributed in the hope that it will be useful,
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
13 Lesser General Public License for more details.
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
14
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
15 You should have received a copy of the GNU Lesser General Public
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
16 License along with this library; if not, write to the Free Software
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
18
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
19 Sam Lantinga
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
20 slouken@libsdl.org
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
21 */
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
22 #include "SDL_config.h"
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
23
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
24 /*
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
25 * GNU pth conditions variables
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
26 *
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
27 * Patrice Mandin
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
28 */
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
29
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
30 #include <pth.h>
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
31
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
32 #include "SDL_thread.h"
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
33 #include "SDL_sysmutex_c.h"
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
34
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
35 struct SDL_cond
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
36 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
37 pth_cond_t condpth_p;
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
38 };
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
39
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
40 /* Create a condition variable */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
41 SDL_cond *
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
42 SDL_CreateCond(void)
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
43 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
44 SDL_cond *cond;
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
45
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
46 cond = (SDL_cond *) SDL_malloc(sizeof(SDL_cond));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
47 if (cond) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
48 if (pth_cond_init(&(cond->condpth_p)) < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
49 SDL_SetError("pthread_cond_init() failed");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
50 SDL_free(cond);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
51 cond = NULL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
52 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
53 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
54 SDL_OutOfMemory();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
55 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
56 return (cond);
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
57 }
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
58
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
59 /* Destroy a condition variable */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
60 void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
61 SDL_DestroyCond(SDL_cond * cond)
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
62 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
63 if (cond) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
64 SDL_free(cond);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
65 }
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
66 }
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
67
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
68 /* Restart one of the threads that are waiting on the condition variable */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
69 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
70 SDL_CondSignal(SDL_cond * cond)
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
71 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
72 int retval;
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
73
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
74 if (!cond) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
75 SDL_SetError("Passed a NULL condition variable");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
76 return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
77 }
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
78
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
79 retval = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
80 if (pth_cond_notify(&(cond->condpth_p), FALSE) != 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
81 SDL_SetError("pth_cond_notify() failed");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
82 retval = -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
83 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
84 return retval;
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
85 }
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
86
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
87 /* Restart all threads that are waiting on the condition variable */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
88 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
89 SDL_CondBroadcast(SDL_cond * cond)
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
90 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
91 int retval;
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
92
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
93 if (!cond) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
94 SDL_SetError("Passed a NULL condition variable");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
95 return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
96 }
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
97
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
98 retval = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
99 if (pth_cond_notify(&(cond->condpth_p), TRUE) != 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
100 SDL_SetError("pth_cond_notify() failed");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
101 retval = -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
102 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
103 return retval;
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
104 }
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
105
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
106 /* Wait on the condition variable for at most 'ms' milliseconds.
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
107 The mutex must be locked before entering this function!
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
108 The mutex is unlocked during the wait, and locked again after the wait.
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
109
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
110 Typical use:
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
111
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
112 Thread A:
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
113 SDL_LockMutex(lock);
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
114 while ( ! condition ) {
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
115 SDL_CondWait(cond);
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
116 }
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
117 SDL_UnlockMutex(lock);
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
118
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
119 Thread B:
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
120 SDL_LockMutex(lock);
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
121 ...
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
122 condition = true;
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
123 ...
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
124 SDL_UnlockMutex(lock);
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
125 */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
126 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
127 SDL_CondWaitTimeout(SDL_cond * cond, SDL_mutex * mutex, Uint32 ms)
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
128 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
129 int retval;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
130 pth_event_t ev;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
131 int sec;
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
132
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
133 if (!cond) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
134 SDL_SetError("Passed a NULL condition variable");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
135 return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
136 }
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
137
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
138 retval = 0;
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
139
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
140 sec = ms / 1000;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
141 ev = pth_event(PTH_EVENT_TIME,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
142 pth_timeout(sec, (ms - sec * 1000) * 1000));
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
143
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
144 if (pth_cond_await(&(cond->condpth_p), &(mutex->mutexpth_p), ev) != 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
145 SDL_SetError("pth_cond_await() failed");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
146 retval = -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
147 }
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
148
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
149 pth_event_free(ev, PTH_FREE_ALL);
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
150
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
151 return retval;
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
152 }
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
153
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
154 /* Wait on the condition variable forever */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
155 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
156 SDL_CondWait(SDL_cond * cond, SDL_mutex * mutex)
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
157 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
158 int retval;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
159
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
160 if (!cond) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
161 SDL_SetError("Passed a NULL condition variable");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
162 return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
163 }
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
164
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
165 retval = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
166 if (pth_cond_await(&(cond->condpth_p), &(mutex->mutexpth_p), NULL) != 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
167 SDL_SetError("pth_cond_await() failed");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
168 retval = -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
169 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
170 return retval;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
171 }
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
172
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
173 /* vi: set ts=4 sw=4 expandtab: */