1 /*! 2 * \copy 3 * Copyright (c) 2009-2013, Cisco Systems 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * * Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 21 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 22 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 24 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 26 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 28 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 * 31 * 32 * \file WelsThreadLib.h 33 * 34 * \brief Interfaces introduced in thread programming 35 * 36 * \date 11/17/2009 Created 37 * 38 ************************************************************************************* 39 */ 40 41 #ifndef _WELS_THREAD_API_H_ 42 #define _WELS_THREAD_API_H_ 43 44 #include "typedefs.h" 45 46 #ifdef __cplusplus 47 extern "C" { 48 #endif 49 50 #if defined(_WIN32) || defined(__CYGWIN__) 51 52 #include <windows.h> 53 54 typedef HANDLE WELS_THREAD_HANDLE; 55 typedef LPTHREAD_START_ROUTINE LPWELS_THREAD_ROUTINE; 56 57 typedef CRITICAL_SECTION WELS_MUTEX; 58 typedef HANDLE WELS_EVENT; 59 60 #define WELS_THREAD_ROUTINE_TYPE DWORD WINAPI 61 #define WELS_THREAD_ROUTINE_RETURN(rc) return (DWORD)rc; 62 63 #ifdef WINAPI_FAMILY 64 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) 65 #define WP80 66 67 #define InitializeCriticalSection(x) InitializeCriticalSectionEx(x, 0, 0) 68 #define GetSystemInfo(x) GetNativeSystemInfo(x) 69 #define CreateEvent(attr, reset, init, name) CreateEventEx(attr, name, ((reset) ? CREATE_EVENT_MANUAL_RESET : 0) | ((init) ? CREATE_EVENT_INITIAL_SET : 0), EVENT_ALL_ACCESS) 70 #define CreateSemaphore(a, b, c, d) CreateSemaphoreEx(a, b, c, d, 0, SEMAPHORE_ALL_ACCESS) 71 #define WaitForSingleObject(a, b) WaitForSingleObjectEx(a, b, FALSE) 72 #define WaitForMultipleObjects(a, b, c, d) WaitForMultipleObjectsEx(a, b, c, d, FALSE) 73 #endif 74 #endif 75 76 #else // NON-WINDOWS 77 78 #include <stdlib.h> 79 #include <unistd.h> 80 #include <string.h> 81 #include <pthread.h> 82 #include <semaphore.h> 83 #include <signal.h> 84 #include <errno.h> 85 #include <time.h> 86 #include <sys/time.h> 87 88 #include <sys/stat.h> 89 #include <fcntl.h> 90 91 typedef pthread_t WELS_THREAD_HANDLE; 92 typedef void* (*LPWELS_THREAD_ROUTINE) (void*); 93 94 typedef pthread_mutex_t WELS_MUTEX; 95 96 #ifdef __APPLE__ 97 typedef pthread_cond_t WELS_EVENT; 98 #else 99 typedef sem_t* WELS_EVENT; 100 #endif 101 102 #define WELS_THREAD_ROUTINE_TYPE void * 103 #define WELS_THREAD_ROUTINE_RETURN(rc) return (void*)(intptr_t)rc; 104 105 #endif//_WIN32 106 107 typedef int32_t WELS_THREAD_ERROR_CODE; 108 typedef int32_t WELS_THREAD_ATTR; 109 110 typedef struct _WelsLogicalProcessorInfo { 111 int32_t ProcessorCount; 112 } WelsLogicalProcessInfo; 113 114 #define WELS_THREAD_ERROR_OK 0 115 #define WELS_THREAD_ERROR_GENERAL ((uint32_t)(-1)) 116 #define WELS_THREAD_ERROR_WAIT_OBJECT_0 0 117 #define WELS_THREAD_ERROR_WAIT_TIMEOUT ((uint32_t)0x00000102L) 118 #define WELS_THREAD_ERROR_WAIT_FAILED WELS_THREAD_ERROR_GENERAL 119 120 WELS_THREAD_ERROR_CODE WelsMutexInit (WELS_MUTEX* mutex); 121 WELS_THREAD_ERROR_CODE WelsMutexLock (WELS_MUTEX* mutex); 122 WELS_THREAD_ERROR_CODE WelsMutexUnlock (WELS_MUTEX* mutex); 123 WELS_THREAD_ERROR_CODE WelsMutexDestroy (WELS_MUTEX* mutex); 124 125 WELS_THREAD_ERROR_CODE WelsEventOpen (WELS_EVENT* p_event, const char* event_name = NULL); 126 WELS_THREAD_ERROR_CODE WelsEventClose (WELS_EVENT* event, const char* event_name = NULL); 127 128 WELS_THREAD_ERROR_CODE WelsEventSignal (WELS_EVENT* event,WELS_MUTEX *pMutex, int* iCondition); 129 WELS_THREAD_ERROR_CODE WelsEventWait (WELS_EVENT* event,WELS_MUTEX *pMutex, int& iCondition); 130 WELS_THREAD_ERROR_CODE WelsEventWaitWithTimeOut (WELS_EVENT* event, uint32_t dwMilliseconds,WELS_MUTEX *pMutex = NULL); 131 WELS_THREAD_ERROR_CODE WelsMultipleEventsWaitSingleBlocking (uint32_t nCount, WELS_EVENT* event_list, 132 WELS_EVENT* master_event = NULL,WELS_MUTEX *pMutex = NULL); 133 134 WELS_THREAD_ERROR_CODE WelsThreadCreate (WELS_THREAD_HANDLE* thread, LPWELS_THREAD_ROUTINE routine, 135 void* arg, WELS_THREAD_ATTR attr); 136 137 WELS_THREAD_ERROR_CODE WelsThreadSetName (const char* thread_name); 138 139 WELS_THREAD_ERROR_CODE WelsThreadJoin (WELS_THREAD_HANDLE thread); 140 141 WELS_THREAD_HANDLE WelsThreadSelf(); 142 143 WELS_THREAD_ERROR_CODE WelsQueryLogicalProcessInfo (WelsLogicalProcessInfo* pInfo); 144 145 void WelsSleep (uint32_t dwMilliSecond); 146 147 #ifdef __cplusplus 148 } 149 #endif 150 151 #endif 152