1 /* 2 * Copyright (c) 2013 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_CONDITION_VARIABLE_EVENT_WIN_H_ 12 #define WEBRTC_SYSTEM_WRAPPERS_SOURCE_CONDITION_VARIABLE_EVENT_WIN_H_ 13 14 #include <windows.h> 15 16 #include "webrtc/system_wrappers/include/condition_variable_wrapper.h" 17 18 namespace webrtc { 19 20 class ConditionVariableEventWin : public ConditionVariableWrapper { 21 public: 22 ConditionVariableEventWin(); 23 virtual ~ConditionVariableEventWin(); 24 25 void SleepCS(CriticalSectionWrapper& crit_sect); 26 bool SleepCS(CriticalSectionWrapper& crit_sect, unsigned long max_time_inMS); 27 void Wake(); 28 void WakeAll(); 29 30 private: 31 enum EventWakeUpType { 32 WAKEALL_0 = 0, 33 WAKEALL_1 = 1, 34 WAKE = 2, 35 EVENT_COUNT = 3 36 }; 37 38 unsigned int num_waiters_[2]; 39 EventWakeUpType eventID_; 40 CRITICAL_SECTION num_waiters_crit_sect_; 41 HANDLE events_[EVENT_COUNT]; 42 }; 43 44 } // namespace webrtc 45 46 #endif // WEBRTC_SYSTEM_WRAPPERS_SOURCE_CONDITION_VARIABLE_EVENT_WIN_H_ 47
