1 /**************************************************************************
2 *
3 * Copyright 2009 Chia-I Wu <olvaffe@gmail.com>
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
23 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
24 * DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28
29 #ifndef EGLMUTEX_INCLUDED
30 #define EGLMUTEX_INCLUDED
31
32 #include "eglcompiler.h"
33
34 #ifdef HAVE_PTHREAD
35 #include <pthread.h>
36
37 typedef pthread_mutex_t _EGLMutex;
38
_eglInitMutex(_EGLMutex * m)39 static INLINE void _eglInitMutex(_EGLMutex *m)
40 {
41 pthread_mutex_init(m, NULL);
42 }
43
44 static INLINE void
_eglDestroyMutex(_EGLMutex * m)45 _eglDestroyMutex(_EGLMutex *m)
46 {
47 pthread_mutex_destroy(m);
48 }
49
50 static INLINE void
_eglLockMutex(_EGLMutex * m)51 _eglLockMutex(_EGLMutex *m)
52 {
53 pthread_mutex_lock(m);
54 }
55
56 static INLINE void
_eglUnlockMutex(_EGLMutex * m)57 _eglUnlockMutex(_EGLMutex *m)
58 {
59 pthread_mutex_unlock(m);
60 }
61
62 #define _EGL_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
63 #define _EGL_DECLARE_MUTEX(m) \
64 _EGLMutex m = _EGL_MUTEX_INITIALIZER
65
66 #else
67
68 typedef int _EGLMutex;
_eglInitMutex(_EGLMutex * m)69 static INLINE void _eglInitMutex(_EGLMutex *m) { (void) m; }
_eglDestroyMutex(_EGLMutex * m)70 static INLINE void _eglDestroyMutex(_EGLMutex *m) { (void) m; }
_eglLockMutex(_EGLMutex * m)71 static INLINE void _eglLockMutex(_EGLMutex *m) { (void) m; }
_eglUnlockMutex(_EGLMutex * m)72 static INLINE void _eglUnlockMutex(_EGLMutex *m) { (void) m; }
73
74 #define _EGL_MUTEX_INITIALIZER 0
75 #define _EGL_DECLARE_MUTEX(m) \
76 _EGLMutex m = _EGL_MUTEX_INITIALIZER
77
78 #endif
79
80 #endif /* EGLMUTEX_INCLUDED */
81