Mercurial > sdl-ios-xcode

annotate src/thread/pth/SDL_sysmutex.c @ 3319:63d4517fc4ac

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fixed bug #777 Implemented SDL_GetPlatform()
author Sam Lantinga <slouken@libsdl.org>
date Sat, 26 Sep 2009 10:32:14 +0000
parents 99210400e8b9
children
rev   line source
1402
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
1 /*
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
2 SDL - Simple DirectMedia Layer
2859
99210400e8b9 Updated copyright date
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
3 Copyright (C) 1997-2009 Sam Lantinga
1402
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
4
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1358
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: 1358
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: 1358
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: 1358
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: 1358
diff changeset
9
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1358
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: 1358
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: 1358
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: 1358
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: 1358
diff changeset
14
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1358
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: 1358
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: 1358
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: 1358
diff changeset
18
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
19 Sam Lantinga
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
20 slouken@libsdl.org
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
21 */
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
22 #include "SDL_config.h"
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1358
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 mutexes
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_mutex.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
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
35 /* Create a mutex */
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
36 SDL_mutex *
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 SDL_CreateMutex(void)
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
38 {
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
39 SDL_mutex *mutex;
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
40
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 /* Allocate mutex memory */
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 mutex = (SDL_mutex *) SDL_malloc(sizeof(*mutex));
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
43 if (mutex) {
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 /* Create the mutex, with initial value signaled */
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
45 if (!pth_mutex_init(&(mutex->mutexpth_p))) {
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 SDL_SetError("Couldn't create mutex");
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 SDL_free(mutex);
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 mutex = 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
49 }
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 } 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
51 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
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 return (mutex);
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
54 }
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
55
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
56 /* Free the mutex */
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
57 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
58 SDL_DestroyMutex(SDL_mutex * mutex)
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
59 {
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 if (mutex) {
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_free(mutex);
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
62 }
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
63 }
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
64
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
65 /* Lock the mutex */
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
66 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
67 SDL_mutexP(SDL_mutex * mutex)
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
68 {
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 if (mutex == 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
70 SDL_SetError("Passed a NULL mutex");
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
71 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
72 }
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 pth_mutex_acquire(&(mutex->mutexpth_p), FALSE, NULL);
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
75
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
76 return (0);
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
77 }
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
78
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
79 /* Unlock the mutex */
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
80 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
81 SDL_mutexV(SDL_mutex * mutex)
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
82 {
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
83 if (mutex == 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
84 SDL_SetError("Passed a NULL mutex");
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
85 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
86 }
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
87
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
88 pth_mutex_release(&(mutex->mutexpth_p));
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
89
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
90 return (0);
329
1d74ddc90cb2 Patrice's fixes for GNU Pthread support
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
91 }
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
92
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 /* vi: set ts=4 sw=4 expandtab: */