1 /**
2 * Copyright(c) 2011 Trusted Logic. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in
12 * the documentation and/or other materials provided with the
13 * distribution.
14 * * Neither the name Trusted Logic nor the names of its
15 * contributors may be used to endorse or promote products derived
16 * from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 /**
32 * Implementation of the mutex library over the Linux API
33 **/
34 #include <pthread.h>
35 #include "lib_mutex.h"
36
libMutexInit(LIB_MUTEX * pMutex)37 void libMutexInit(LIB_MUTEX* pMutex)
38 {
39 pthread_mutex_init(pMutex, NULL);
40 /* Error ignored. Is that OK? */
41 }
42
libMutexLock(LIB_MUTEX * pMutex)43 void libMutexLock(LIB_MUTEX* pMutex)
44 {
45 pthread_mutex_lock(pMutex);
46 }
47
libMutexUnlock(LIB_MUTEX * pMutex)48 void libMutexUnlock(LIB_MUTEX* pMutex)
49 {
50 pthread_mutex_unlock(pMutex);
51 }
52
libMutexDestroy(LIB_MUTEX * pMutex)53 void libMutexDestroy(LIB_MUTEX* pMutex)
54 {
55 pthread_mutex_destroy(pMutex);
56 }
57