1/* 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11#ifndef WEBRTC_SYSTEM_WRAPPERS_SOURCE_THREAD_POSIX_H_ 12#define WEBRTC_SYSTEM_WRAPPERS_SOURCE_THREAD_POSIX_H_ 13 14#include "webrtc/system_wrappers/interface/thread_wrapper.h" 15 16#include <pthread.h> 17 18namespace webrtc { 19 20class CriticalSectionWrapper; 21class EventWrapper; 22 23int ConvertToSystemPriority(ThreadPriority priority, int min_prio, 24 int max_prio); 25 26class ThreadPosix : public ThreadWrapper { 27 public: 28 static ThreadWrapper* Create(ThreadRunFunction func, ThreadObj obj, 29 ThreadPriority prio, const char* thread_name); 30 31 ThreadPosix(ThreadRunFunction func, ThreadObj obj, ThreadPriority prio, 32 const char* thread_name); 33 virtual ~ThreadPosix(); 34 35 // From ThreadWrapper. 36 virtual void SetNotAlive() OVERRIDE; 37 virtual bool Start(unsigned int& id) OVERRIDE; 38 // Not implemented on Mac. 39 virtual bool SetAffinity(const int* processor_numbers, 40 unsigned int amount_of_processors) OVERRIDE; 41 virtual bool Stop() OVERRIDE; 42 43 void Run(); 44 45 private: 46 int Construct(); 47 48 private: 49 ThreadRunFunction run_function_; 50 ThreadObj obj_; 51 52 // Internal state. 53 CriticalSectionWrapper* crit_state_; // Protects alive_ and dead_ 54 bool alive_; 55 bool dead_; 56 ThreadPriority prio_; 57 EventWrapper* event_; 58 59 // Zero-terminated thread name string. 60 char name_[kThreadMaxNameLength]; 61 bool set_thread_name_; 62 63 // Handle to thread. 64#if (defined(WEBRTC_LINUX) || defined(WEBRTC_ANDROID)) 65 pid_t pid_; 66#endif 67 pthread_attr_t attr_; 68 pthread_t thread_; 69}; 70 71} // namespace webrtc 72 73#endif // WEBRTC_SYSTEM_WRAPPERS_SOURCE_THREAD_POSIX_H_ 74