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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_LINUX_H_
+#define WEBRTC_SYSTEM_WRAPPERS_SOURCE_EVENT_LINUX_H_
+
+#include "event_wrapper.h"
+
+#include <pthread.h>
+#include <time.h>
+
+#include "thread_wrapper.h"
+
+namespace webrtc {
+enum State
+{
+ kUp = 1,
+ kDown = 2
+};
+
+class EventLinux : public EventWrapper
+{
+public:
+ static EventWrapper* Create();
+
+ virtual ~EventLinux();
+
+ virtual EventTypeWrapper Wait(unsigned long maxTime);
+ virtual bool Set();
+ virtual bool Reset();
+
+ virtual bool StartTimer(bool periodic, unsigned long time);
+ virtual bool StopTimer();
+
+private:
+ EventLinux();
+ int Construct();
+
+ static bool Run(ThreadObj obj);
+ bool Process();
+ EventTypeWrapper Wait(timespec& tPulse);
+
+
+private:
+ pthread_cond_t cond;
+ pthread_mutex_t mutex;
+
+ ThreadWrapper* _timerThread;
+ EventLinux* _timerEvent;
+ timespec _tCreate;
+
+ bool _periodic;
+ unsigned long _time; // In ms
+ unsigned long _count;
+ State _state;
+};
+} // namespace webrtc
+
+#endif // WEBRTC_SYSTEM_WRAPPERS_SOURCE_EVENT_LINUX_H_