190d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber/* 2f71323e297a928af368937089d3ed71239786f86Andreas Huber * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 390d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber * 4f71323e297a928af368937089d3ed71239786f86Andreas Huber * Use of this source code is governed by a BSD-style license 5f71323e297a928af368937089d3ed71239786f86Andreas Huber * that can be found in the LICENSE file in the root of the source 6f71323e297a928af368937089d3ed71239786f86Andreas Huber * tree. An additional intellectual property rights grant can be found 7f71323e297a928af368937089d3ed71239786f86Andreas Huber * in the file PATENTS. All contributing project authors may 8f71323e297a928af368937089d3ed71239786f86Andreas Huber * be found in the AUTHORS file in the root of the source tree. 990d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber */ 1090d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 1190d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 1290d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#ifndef _PTHREAD_EMULATION 1390d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#define _PTHREAD_EMULATION 1490d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 1576e0247ec867fcc232fc79f21e9bf85d3c3a5a3fAndreas Huber#define VPXINFINITE 10000 /* 10second. */ 1690d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 1790d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber/* Thread management macros */ 1890d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#ifdef _WIN32 1990d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber/* Win32 */ 2090d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#define _WIN32_WINNT 0x500 /* WINBASE.H - Enable signal_object_and_wait */ 2190d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#include <process.h> 2290d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#include <windows.h> 2390d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#define THREAD_FUNCTION DWORD WINAPI 2490d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#define THREAD_FUNCTION_RETURN DWORD 2590d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#define THREAD_SPECIFIC_INDEX DWORD 2690d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#define pthread_t HANDLE 2790d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#define pthread_attr_t DWORD 2890d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#define pthread_create(thhandle,attr,thfunc,tharg) (int)((*thhandle=(HANDLE)_beginthreadex(NULL,0,(unsigned int (__stdcall *)(void *))thfunc,tharg,0,NULL))==NULL) 2990d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#define pthread_join(thread, result) ((WaitForSingleObject((thread),VPXINFINITE)!=WAIT_OBJECT_0) || !CloseHandle(thread)) 3090d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#define pthread_detach(thread) if(thread!=NULL)CloseHandle(thread) 3190d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#define thread_sleep(nms) Sleep(nms) 3290d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#define pthread_cancel(thread) terminate_thread(thread,0) 3390d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#define ts_key_create(ts_key, destructor) {ts_key = TlsAlloc();}; 3490d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#define pthread_getspecific(ts_key) TlsGetValue(ts_key) 3590d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#define pthread_setspecific(ts_key, value) TlsSetValue(ts_key, (void *)value) 3690d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#define pthread_self() GetCurrentThreadId() 3790d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#else 3890d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#ifdef __APPLE__ 3990d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#include <mach/semaphore.h> 4090d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#include <mach/task.h> 4190d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#include <time.h> 4290d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#include <unistd.h> 4390d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 4490d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#else 4590d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#include <semaphore.h> 4690d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#endif 4790d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 4890d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#include <pthread.h> 4990d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber/* pthreads */ 5090d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber/* Nearly everything is already defined */ 5190d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#define THREAD_FUNCTION void * 5290d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#define THREAD_FUNCTION_RETURN void * 5390d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#define THREAD_SPECIFIC_INDEX pthread_key_t 5490d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#define ts_key_create(ts_key, destructor) pthread_key_create (&(ts_key), destructor); 5590d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#endif 5690d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 5790d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber/* Syncrhronization macros: Win32 and Pthreads */ 5890d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#ifdef _WIN32 5990d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#define sem_t HANDLE 6090d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#define pause(voidpara) __asm PAUSE 6190d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#define sem_init(sem, sem_attr1, sem_init_value) (int)((*sem = CreateEvent(NULL,FALSE,FALSE,NULL))==NULL) 6290d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#define sem_wait(sem) (int)(WAIT_OBJECT_0 != WaitForSingleObject(*sem,VPXINFINITE)) 6390d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#define sem_post(sem) SetEvent(*sem) 6490d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#define sem_destroy(sem) if(*sem)((int)(CloseHandle(*sem))==TRUE) 6590d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#define thread_sleep(nms) Sleep(nms) 6690d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 6790d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#else 6890d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 6990d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#ifdef __APPLE__ 7090d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#define sem_t semaphore_t 7190d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#define sem_init(X,Y,Z) semaphore_create(mach_task_self(), X, SYNC_POLICY_FIFO, Z) 7290d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#define sem_wait(sem) (semaphore_wait(*sem) ) 7390d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#define sem_post(sem) semaphore_signal(*sem) 7490d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#define sem_destroy(sem) semaphore_destroy(mach_task_self(),*sem) 7576e0247ec867fcc232fc79f21e9bf85d3c3a5a3fAndreas Huber#define thread_sleep(nms) /* { struct timespec ts;ts.tv_sec=0; ts.tv_nsec = 1000*nms;nanosleep(&ts, NULL);} */ 7690d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#else 7790d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#include <unistd.h> 78f71323e297a928af368937089d3ed71239786f86Andreas Huber#include <sched.h> 7976e0247ec867fcc232fc79f21e9bf85d3c3a5a3fAndreas Huber#define thread_sleep(nms) sched_yield();/* {struct timespec ts;ts.tv_sec=0; ts.tv_nsec = 1000*nms;nanosleep(&ts, NULL);} */ 8090d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#endif 8190d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber/* Not Windows. Assume pthreads */ 8290d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 8390d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#endif 8490d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 8590d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#if ARCH_X86 || ARCH_X86_64 8690d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#include "vpx_ports/x86.h" 8790d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#else 8890d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#define x86_pause_hint() 8990d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#endif 9090d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber 9190d3ed91ae9228e1c8bab561b6138d4cb8c1e4fdAndreas Huber#endif 92