ref: 62e4d27ee6a4d97f0344dc69b7f8ef7747f59ba1
dir: /codec/common/inc/WelsThreadLib.h/
/*!
* \copy
* Copyright (c) 2009-2013, Cisco Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*
* \file WelsThreadLib.h
*
* \brief Interfaces introduced in thread programming
*
* \date 11/17/2009 Created
*
*************************************************************************************
*/
#ifndef _WELS_THREAD_API_H_
#define _WELS_THREAD_API_H_
#include "typedefs.h"
#ifdef __cplusplus
extern "C" {
#endif
#if defined(_WIN32) || defined(__CYGWIN__)
#include <windows.h>
typedef HANDLE WELS_THREAD_HANDLE;
typedef LPTHREAD_START_ROUTINE LPWELS_THREAD_ROUTINE;
typedef CRITICAL_SECTION WELS_MUTEX;
typedef HANDLE WELS_EVENT;
#define WELS_THREAD_ROUTINE_TYPE DWORD WINAPI
#define WELS_THREAD_ROUTINE_RETURN(rc) return (DWORD)rc;
#ifdef WINAPI_FAMILY
#if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
#define WP80
#define InitializeCriticalSection(x) InitializeCriticalSectionEx(x, 0, 0)
#define GetSystemInfo(x) GetNativeSystemInfo(x)
#define CreateEvent(attr, reset, init, name) CreateEventEx(attr, name, ((reset) ? CREATE_EVENT_MANUAL_RESET : 0) | ((init) ? CREATE_EVENT_INITIAL_SET : 0), EVENT_ALL_ACCESS)
#define CreateSemaphore(a, b, c, d) CreateSemaphoreEx(a, b, c, d, 0, SEMAPHORE_ALL_ACCESS)
#define WaitForSingleObject(a, b) WaitForSingleObjectEx(a, b, FALSE)
#define WaitForMultipleObjects(a, b, c, d) WaitForMultipleObjectsEx(a, b, c, d, FALSE)
#endif
#endif
#else // NON-WINDOWS
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <pthread.h>
#include <semaphore.h>
#include <signal.h>
#include <errno.h>
#include <time.h>
#include <sys/time.h>
#include <sys/stat.h>
#include <fcntl.h>
typedef pthread_t WELS_THREAD_HANDLE;
typedef void* (*LPWELS_THREAD_ROUTINE) (void*);
typedef pthread_mutex_t WELS_MUTEX;
#ifdef __APPLE__
typedef pthread_cond_t WELS_EVENT;
#else
typedef sem_t* WELS_EVENT;
#endif
#define WELS_THREAD_ROUTINE_TYPE void *
#define WELS_THREAD_ROUTINE_RETURN(rc) return (void*)(intptr_t)rc;
#endif//_WIN32
typedef int32_t WELS_THREAD_ERROR_CODE;
typedef int32_t WELS_THREAD_ATTR;
typedef struct _WelsLogicalProcessorInfo {
int32_t ProcessorCount;
} WelsLogicalProcessInfo;
#define WELS_THREAD_ERROR_OK 0
#define WELS_THREAD_ERROR_GENERAL ((uint32_t)(-1))
#define WELS_THREAD_ERROR_WAIT_OBJECT_0 0
#define WELS_THREAD_ERROR_WAIT_TIMEOUT ((uint32_t)0x00000102L)
#define WELS_THREAD_ERROR_WAIT_FAILED WELS_THREAD_ERROR_GENERAL
WELS_THREAD_ERROR_CODE WelsMutexInit (WELS_MUTEX* mutex);
WELS_THREAD_ERROR_CODE WelsMutexLock (WELS_MUTEX* mutex);
WELS_THREAD_ERROR_CODE WelsMutexUnlock (WELS_MUTEX* mutex);
WELS_THREAD_ERROR_CODE WelsMutexDestroy (WELS_MUTEX* mutex);
WELS_THREAD_ERROR_CODE WelsEventOpen (WELS_EVENT* p_event, const char* event_name = NULL);
WELS_THREAD_ERROR_CODE WelsEventClose (WELS_EVENT* event, const char* event_name = NULL);
WELS_THREAD_ERROR_CODE WelsEventSignal (WELS_EVENT* event,WELS_MUTEX *pMutex, int* iCondition);
WELS_THREAD_ERROR_CODE WelsEventWait (WELS_EVENT* event,WELS_MUTEX *pMutex, int& iCondition);
WELS_THREAD_ERROR_CODE WelsEventWaitWithTimeOut (WELS_EVENT* event, uint32_t dwMilliseconds,WELS_MUTEX *pMutex = NULL);
WELS_THREAD_ERROR_CODE WelsMultipleEventsWaitSingleBlocking (uint32_t nCount, WELS_EVENT* event_list,
WELS_EVENT* master_event = NULL,WELS_MUTEX *pMutex = NULL);
WELS_THREAD_ERROR_CODE WelsThreadCreate (WELS_THREAD_HANDLE* thread, LPWELS_THREAD_ROUTINE routine,
void* arg, WELS_THREAD_ATTR attr);
WELS_THREAD_ERROR_CODE WelsThreadSetName (const char* thread_name);
WELS_THREAD_ERROR_CODE WelsThreadJoin (WELS_THREAD_HANDLE thread);
WELS_THREAD_HANDLE WelsThreadSelf();
WELS_THREAD_ERROR_CODE WelsQueryLogicalProcessInfo (WelsLogicalProcessInfo* pInfo);
void WelsSleep (uint32_t dwMilliSecond);
#ifdef __cplusplus
}
#endif
#endif