You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
hardware_samsung/exynos/multimedia/openmax/osal/SEC_OSAL_Mutex.c

94 lines
2.2 KiB

/*
*
* 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;
}