diff options
Diffstat (limited to 'exynos/multimedia/openmax/osal/SEC_OSAL_Event.c')
| -rw-r--r-- | exynos/multimedia/openmax/osal/SEC_OSAL_Event.c | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/exynos/multimedia/openmax/osal/SEC_OSAL_Event.c b/exynos/multimedia/openmax/osal/SEC_OSAL_Event.c new file mode 100644 index 0000000..383b62c --- /dev/null +++ b/exynos/multimedia/openmax/osal/SEC_OSAL_Event.c @@ -0,0 +1,217 @@ +/* + * + * 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_Event.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 <errno.h> + +#include "SEC_OSAL_Memory.h" +#include "SEC_OSAL_Mutex.h" +#include "SEC_OSAL_Event.h" + +#undef SEC_LOG_TAG +#define SEC_LOG_TAG "SEC_OSAL_EVENT" +#define SEC_LOG_OFF +#include "SEC_OSAL_Log.h" + + +OMX_ERRORTYPE SEC_OSAL_SignalCreate(OMX_HANDLETYPE *eventHandle) +{ + SEC_OSAL_THREADEVENT *event; + OMX_ERRORTYPE ret = OMX_ErrorNone; + + event = (SEC_OSAL_THREADEVENT *)SEC_OSAL_Malloc(sizeof(SEC_OSAL_THREADEVENT)); + if (!event) { + ret = OMX_ErrorInsufficientResources; + goto EXIT; + } + + SEC_OSAL_Memset(event, 0, sizeof(SEC_OSAL_THREADEVENT)); + event->signal = OMX_FALSE; + + ret = SEC_OSAL_MutexCreate(&event->mutex); + if (ret != OMX_ErrorNone) { + SEC_OSAL_Free(event); + goto EXIT; + } + + if (pthread_cond_init(&event->condition, NULL)) { + SEC_OSAL_MutexTerminate(event->mutex); + SEC_OSAL_Free(event); + ret = OMX_ErrorUndefined; + goto EXIT; + } + + *eventHandle = (OMX_HANDLETYPE)event; + ret = OMX_ErrorNone; + +EXIT: + return ret; +} + +OMX_ERRORTYPE SEC_OSAL_SignalTerminate(OMX_HANDLETYPE eventHandle) +{ + SEC_OSAL_THREADEVENT *event = (SEC_OSAL_THREADEVENT *)eventHandle; + OMX_ERRORTYPE ret = OMX_ErrorNone; + + if (!event) { + ret = OMX_ErrorBadParameter; + goto EXIT; + } + + ret = SEC_OSAL_MutexLock(event->mutex); + if (ret != OMX_ErrorNone) { + ret = OMX_ErrorBadParameter; + goto EXIT; + } + + if (pthread_cond_destroy(&event->condition)) { + ret = OMX_ErrorUndefined; + goto EXIT; + } + + ret = SEC_OSAL_MutexUnlock(event->mutex); + if (ret != OMX_ErrorNone) { + ret = OMX_ErrorUndefined; + goto EXIT; + } + + ret = SEC_OSAL_MutexTerminate(event->mutex); + if (ret != OMX_ErrorNone) { + ret = OMX_ErrorUndefined; + goto EXIT; + } + + SEC_OSAL_Free(event); + +EXIT: + return ret; +} + +OMX_ERRORTYPE SEC_OSAL_SignalReset(OMX_HANDLETYPE eventHandle) +{ + SEC_OSAL_THREADEVENT *event = (SEC_OSAL_THREADEVENT *)eventHandle; + OMX_ERRORTYPE ret = OMX_ErrorNone; + + if (!event) { + ret = OMX_ErrorBadParameter; + goto EXIT; + } + + ret = SEC_OSAL_MutexLock(event->mutex); + if (ret != OMX_ErrorNone) { + ret = OMX_ErrorBadParameter; + goto EXIT; + } + + event->signal = OMX_FALSE; + + SEC_OSAL_MutexUnlock(event->mutex); + +EXIT: + return ret; +} + +OMX_ERRORTYPE SEC_OSAL_SignalSet(OMX_HANDLETYPE eventHandle) +{ + SEC_OSAL_THREADEVENT *event = (SEC_OSAL_THREADEVENT *)eventHandle; + OMX_ERRORTYPE ret = OMX_ErrorNone; + + if (!event) { + ret = OMX_ErrorBadParameter; + goto EXIT; + } + + ret = SEC_OSAL_MutexLock(event->mutex); + if (ret != OMX_ErrorNone) { + ret = OMX_ErrorBadParameter; + goto EXIT; + } + + event->signal = OMX_TRUE; + pthread_cond_signal(&event->condition); + + SEC_OSAL_MutexUnlock(event->mutex); + +EXIT: + return ret; +} + +OMX_ERRORTYPE SEC_OSAL_SignalWait(OMX_HANDLETYPE eventHandle, OMX_U32 ms) +{ + SEC_OSAL_THREADEVENT *event = (SEC_OSAL_THREADEVENT *)eventHandle; + OMX_ERRORTYPE ret = OMX_ErrorNone; + struct timespec timeout; + struct timeval now; + int funcret = 0; + OMX_U32 tv_us; + + FunctionIn(); + + if (!event) { + ret = OMX_ErrorBadParameter; + goto EXIT; + } + + gettimeofday(&now, NULL); + + tv_us = now.tv_usec + ms * 1000; + timeout.tv_sec = now.tv_sec + tv_us / 1000000; + timeout.tv_nsec = (tv_us % 1000000) * 1000; + + ret = SEC_OSAL_MutexLock(event->mutex); + if (ret != OMX_ErrorNone) { + ret = OMX_ErrorBadParameter; + goto EXIT; + } + + if (ms == 0) { + if (!event->signal) + ret = OMX_ErrorTimeout; + } else if (ms == DEF_MAX_WAIT_TIME) { + while (!event->signal) + pthread_cond_wait(&event->condition, (pthread_mutex_t *)(event->mutex)); + ret = OMX_ErrorNone; + } else { + while (!event->signal) { + funcret = pthread_cond_timedwait(&event->condition, (pthread_mutex_t *)(event->mutex), &timeout); + if ((!event->signal) && (funcret == ETIMEDOUT)) { + ret = OMX_ErrorTimeout; + break; + } + } + } + + SEC_OSAL_MutexUnlock(event->mutex); + +EXIT: + FunctionOut(); + + return ret; +} |