ref: 4d674231706f0b2b335608e8cb2b93e1586372d6
dir: /codec/WelsThreadLib/api/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)
#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;
#else // NON-WINDOWS
#if defined(__GNUC__) // LINUX, MACOS etc
#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;
typedef sem_t WELS_EVENT;
#define WELS_THREAD_ROUTINE_TYPE void *
#define WELS_THREAD_ROUTINE_RETURN(rc) return (void*)rc;
#endif//__GNUC__
#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_GENERIAL ((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_GENERIAL
void WelsSleep (uint32_t dwMilliseconds);
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);
#ifdef __GNUC__
WELS_THREAD_ERROR_CODE WelsEventOpen (WELS_EVENT** p_event, str_t* event_name);
WELS_THREAD_ERROR_CODE WelsEventClose (WELS_EVENT* event, str_t* event_name);
#endif//__GNUC__
WELS_THREAD_ERROR_CODE WelsEventInit (WELS_EVENT* event);
WELS_THREAD_ERROR_CODE WelsEventDestroy (WELS_EVENT* event);
WELS_THREAD_ERROR_CODE WelsEventSignal (WELS_EVENT* event);
WELS_THREAD_ERROR_CODE WelsEventReset (WELS_EVENT* event);
WELS_THREAD_ERROR_CODE WelsEventWait (WELS_EVENT* event);
WELS_THREAD_ERROR_CODE WelsEventWaitWithTimeOut (WELS_EVENT* event, uint32_t dwMilliseconds);
#ifdef _WIN32
WELS_THREAD_ERROR_CODE WelsMultipleEventsWaitSingleBlocking (uint32_t nCount, WELS_EVENT* event_list,
uint32_t dwMilliseconds);
WELS_THREAD_ERROR_CODE WelsMultipleEventsWaitAllBlocking (uint32_t nCount, WELS_EVENT* event_list);
#else
WELS_THREAD_ERROR_CODE WelsMultipleEventsWaitSingleBlocking (uint32_t nCount, WELS_EVENT** event_list,
uint32_t dwMilliseconds);
WELS_THREAD_ERROR_CODE WelsMultipleEventsWaitAllBlocking (uint32_t nCount, WELS_EVENT** event_list);
#endif//_WIN32
WELS_THREAD_ERROR_CODE WelsThreadCreate (WELS_THREAD_HANDLE* thread, LPWELS_THREAD_ROUTINE routine,
void* arg, WELS_THREAD_ATTR attr);
WELS_THREAD_ERROR_CODE WelsSetThreadCancelable();
WELS_THREAD_ERROR_CODE WelsThreadJoin (WELS_THREAD_HANDLE thread);
WELS_THREAD_ERROR_CODE WelsThreadCancel (WELS_THREAD_HANDLE thread);
WELS_THREAD_ERROR_CODE WelsThreadDestroy (WELS_THREAD_HANDLE* thread);
WELS_THREAD_HANDLE WelsThreadSelf();
WELS_THREAD_ERROR_CODE WelsQueryLogicalProcessInfo (WelsLogicalProcessInfo* pInfo);
#ifdef __cplusplus
}
#endif
#endif