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/*
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef WEBRTC_SYSTEM_WRAPPERS_SOURCE_EVENT_POSIX_H_
#define WEBRTC_SYSTEM_WRAPPERS_SOURCE_EVENT_POSIX_H_
#include "webrtc/system_wrappers/interface/event_wrapper.h"
#include <pthread.h>
#include <time.h>
#include "webrtc/system_wrappers/interface/thread_wrapper.h"
namespace webrtc {
enum State {
kUp = 1,
kDown = 2
};
class EventPosix : public EventWrapper {
public:
static EventWrapper* Create();
virtual ~EventPosix();
virtual EventTypeWrapper Wait(unsigned long max_time) OVERRIDE;
virtual bool Set() OVERRIDE;
virtual bool Reset() OVERRIDE;
virtual bool StartTimer(bool periodic, unsigned long time) OVERRIDE;
virtual bool StopTimer() OVERRIDE;
private:
EventPosix();
int Construct();
static bool Run(ThreadObj obj);
bool Process();
EventTypeWrapper Wait(timespec& wake_at);
private:
pthread_cond_t cond_;
pthread_mutex_t mutex_;
ThreadWrapper* timer_thread_;
EventPosix* timer_event_;
timespec created_at_;
bool periodic_;
unsigned long time_; // In ms
unsigned long count_;
State state_;
};
} // namespace webrtc
#endif // WEBRTC_SYSTEM_WRAPPERS_SOURCE_EVENT_POSIX_H_
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