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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_INCLUDE_CONDITION_VARIABLE_WRAPPER_H_
#define WEBRTC_SYSTEM_WRAPPERS_INCLUDE_CONDITION_VARIABLE_WRAPPER_H_
namespace webrtc {
class CriticalSectionWrapper;
class ConditionVariableWrapper {
public:
// Factory method, constructor disabled.
static ConditionVariableWrapper* CreateConditionVariable();
virtual ~ConditionVariableWrapper() {}
// Calling thread will atomically release crit_sect and wait until next
// some other thread calls Wake() or WakeAll().
virtual void SleepCS(CriticalSectionWrapper& crit_sect) = 0;
// Same as above but with a timeout.
virtual bool SleepCS(CriticalSectionWrapper& crit_sect,
unsigned long max_time_in_ms) = 0;
// Wakes one thread calling SleepCS().
virtual void Wake() = 0;
// Wakes all threads calling SleepCS().
virtual void WakeAll() = 0;
};
} // namespace webrtc
#endif // WEBRTC_SYSTEM_WRAPPERS_INCLUDE_CONDITION_VARIABLE_WRAPPER_H_
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