diff options
Diffstat (limited to 'exynos/multimedia/openmax/osal/SEC_OSAL_Mutex.c')
-rw-r--r-- | exynos/multimedia/openmax/osal/SEC_OSAL_Mutex.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/exynos/multimedia/openmax/osal/SEC_OSAL_Mutex.c b/exynos/multimedia/openmax/osal/SEC_OSAL_Mutex.c new file mode 100644 index 0000000..b8f7b79 --- /dev/null +++ b/exynos/multimedia/openmax/osal/SEC_OSAL_Mutex.c @@ -0,0 +1,93 @@ +/* + * + * Copyright 2010 Samsung Electronics S.LSI Co. LTD + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/* + * @file SEC_OSAL_Mutex.c + * @brief + * @author SeungBeom Kim (sbcrux.kim@samsung.com) + * @version 1.1.0 + * @history + * 2010.7.15 : Create + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <pthread.h> + +#include "SEC_OSAL_Memory.h" +#include "SEC_OSAL_Mutex.h" + + +OMX_ERRORTYPE SEC_OSAL_MutexCreate(OMX_HANDLETYPE *mutexHandle) +{ + pthread_mutex_t *mutex; + + mutex = (pthread_mutex_t *)SEC_OSAL_Malloc(sizeof(pthread_mutex_t)); + if (!mutex) + return OMX_ErrorInsufficientResources; + + if (pthread_mutex_init(mutex, NULL) != 0) { + SEC_OSAL_Free(mutex); + return OMX_ErrorUndefined; + } + + *mutexHandle = (OMX_HANDLETYPE)mutex; + return OMX_ErrorNone; +} + +OMX_ERRORTYPE SEC_OSAL_MutexTerminate(OMX_HANDLETYPE mutexHandle) +{ + pthread_mutex_t *mutex = (pthread_mutex_t *)mutexHandle; + + if (mutex == NULL) + return OMX_ErrorBadParameter; + + if (pthread_mutex_destroy(mutex) != 0) + return OMX_ErrorUndefined; + + SEC_OSAL_Free(mutex); + return OMX_ErrorNone; +} + +OMX_ERRORTYPE SEC_OSAL_MutexLock(OMX_HANDLETYPE mutexHandle) +{ + pthread_mutex_t *mutex = (pthread_mutex_t *)mutexHandle; + int result; + + if (mutex == NULL) + return OMX_ErrorBadParameter; + + if (pthread_mutex_lock(mutex) != 0) + return OMX_ErrorUndefined; + + return OMX_ErrorNone; +} + +OMX_ERRORTYPE SEC_OSAL_MutexUnlock(OMX_HANDLETYPE mutexHandle) +{ + pthread_mutex_t *mutex = (pthread_mutex_t *)mutexHandle; + int result; + + if (mutex == NULL) + return OMX_ErrorBadParameter; + + if (pthread_mutex_unlock(mutex) != 0) + return OMX_ErrorUndefined; + + return OMX_ErrorNone; +} |