git-svn-id: http://webrtc.googlecode.com/svn/trunk@156 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/src/system_wrappers/source/condition_variable_linux.h b/src/system_wrappers/source/condition_variable_linux.h
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+++ b/src/system_wrappers/source/condition_variable_linux.h
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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_CONDITION_VARIABLE_LINUX_H_
+#define WEBRTC_SYSTEM_WRAPPERS_SOURCE_CONDITION_VARIABLE_LINUX_H_
+
+#include "condition_variable_wrapper.h"
+
+#include <pthread.h>
+
+namespace webrtc {
+class ConditionVariableLinux : public ConditionVariableWrapper
+{
+public:
+    static ConditionVariableWrapper* Create();
+    ~ConditionVariableLinux();
+
+    void SleepCS(CriticalSectionWrapper& critSect);
+    bool SleepCS(CriticalSectionWrapper& critSect, unsigned long maxTimeInMS);
+    void Wake();
+    void WakeAll();
+
+private:
+    ConditionVariableLinux();
+    int Construct();
+
+private:
+    pthread_cond_t _cond;
+};
+} // namespace webrtc
+
+#endif // WEBRTC_SYSTEM_WRAPPERS_SOURCE_CONDITION_VARIABLE_LINUX_H_