a36d75a03c
BUG= TEST=Ran trybots. Review URL: https://webrtc-codereview.appspot.com/937017 git-svn-id: http://webrtc.googlecode.com/svn/trunk@3095 4adac7df-926f-26a2-2b94-8c16560cd09d
66 lines
2.0 KiB
C++
66 lines
2.0 KiB
C++
/*
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* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_SYSTEM_WRAPPERS_SOURCE_CONDITION_VARIABLE_WIN_H_
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#define WEBRTC_SYSTEM_WRAPPERS_SOURCE_CONDITION_VARIABLE_WIN_H_
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#include <windows.h>
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#include "condition_variable_wrapper.h"
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namespace webrtc {
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#if !defined CONDITION_VARIABLE_INIT
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typedef struct RTL_CONDITION_VARIABLE_ {
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void* Ptr;
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} RTL_CONDITION_VARIABLE, *PRTL_CONDITION_VARIABLE;
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typedef RTL_CONDITION_VARIABLE CONDITION_VARIABLE, *PCONDITION_VARIABLE;
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#endif
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typedef void (WINAPI* PInitializeConditionVariable)(PCONDITION_VARIABLE);
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typedef BOOL (WINAPI* PSleepConditionVariableCS)(PCONDITION_VARIABLE,
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PCRITICAL_SECTION, DWORD);
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typedef void (WINAPI* PWakeConditionVariable)(PCONDITION_VARIABLE);
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typedef void (WINAPI* PWakeAllConditionVariable)(PCONDITION_VARIABLE);
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class ConditionVariableWindows : public ConditionVariableWrapper {
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public:
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ConditionVariableWindows();
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~ConditionVariableWindows();
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void SleepCS(CriticalSectionWrapper& crit_sect);
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bool SleepCS(CriticalSectionWrapper& crit_sect, unsigned long max_time_inMS);
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void Wake();
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void WakeAll();
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private:
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enum EventWakeUpType {
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WAKEALL_0 = 0,
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WAKEALL_1 = 1,
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WAKE = 2,
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EVENT_COUNT = 3
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};
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private:
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// Native support for Windows Vista+
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static bool win_support_condition_variables_primitive_;
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CONDITION_VARIABLE condition_variable_;
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unsigned int num_waiters_[2];
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EventWakeUpType eventID_;
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CRITICAL_SECTION num_waiters_crit_sect_;
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HANDLE events_[EVENT_COUNT];
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};
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} // namespace webrtc
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#endif // WEBRTC_SYSTEM_WRAPPERS_SOURCE_CONDITION_VARIABLE_WIN_H_
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