Cross Reference: /frameworks/av/libvideoeditor/osal/src/M4OSA

Lines Matching refs:mutex
19  * @note         This file implements functions to manipulate mutex
33 /* Context for the mutex */
36    M4OSA_UInt32     coreID;               /* mutex context identifiant */
37    pthread_mutex_t  mutex;                /* mutex */
45  * @brief      This method creates a new mutex.
49  *             will be sent back to any OSAL core mutex functions to allow
50  *             retrieving data associated to the opened mutex.
51  * @param      pContext:(OUT) Context of the created mutex
70                     M4OSA_MUTEX, (M4OSA_Char*)"M4OSA_mutexOpen: mutex context");
78     /* Initialize the mutex attribute. */
81         /* Initialize the mutex type. */
84             /* Initialize the mutex. */
85             if (0 == pthread_mutex_init( &pMutexContext->mutex, &attribute ) )
91         /* Destroy the mutex attribute. */
97         M4OSA_DEBUG(M4ERR_CONTEXT_FAILED, "M4OSA_mutexOpen: OS mutex creation failed");
116  * @brief      This method locks the mutex. "Context" identifies the mutex.
117  * @note       If the mutex is already locked, the calling thread blocks until
118  *             the mutex becomes available (by calling M4OSA_mutexUnlock) or
120  * @param      context:(IN/OUT) Context of the mutex
124  * @return     M4WAR_TIME_OUT: time out is elapsed before mutex has been
149         M4OSA_DEBUG(M4ERR_BAD_CONTEXT, "M4OSA_mutexLock: Thread tried to lock a mutex it already owns");
153     /* Lock the mutex. */
156         if ( 0 != pthread_mutex_lock(&pMutexContext->mutex) )
158             M4OSA_DEBUG(M4ERR_BAD_CONTEXT, "M4OSA_mutexLock: OS mutex wait failed");
164         result = pthread_mutex_trylock(&pMutexContext->mutex);
179             result = pthread_mutex_trylock(&pMutexContext->mutex);
189                 M4OSA_DEBUG(M4ERR_BAD_CONTEXT, "M4OSA_mutexLock: OS mutex wait failed");
204  * @brief      This method unlocks the mutex. The mutex is identified by
210  * @param      context:(IN/OUT) Context of the mutex
231         M4OSA_DEBUG(M4ERR_BAD_CONTEXT, "M4OSA_mutexUnlock: Thread tried to unlock a mutex it doesn't own");
237     pthread_mutex_unlock(&pMutexContext->mutex);
247  * @brief      This method deletes a mutex (identify by its context). After
248  *             this call, the mutex and its context is no more useable. This
249  *             function frees all the memory related to this mutex.
251  *             on the deleted mutex.
252  * @param      context:(IN/OUT) Context of the mutex
269     pthread_mutex_destroy(&pMutexContext->mutex);