blob: 5f60aaf22516c2005109cfe34145fac91baf27e8 [file] [log] [blame]
/*
* Copyright (C) 2010 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "BinarySemaphore.h"
#if !PLATFORM(WIN)
namespace WTF {
BinarySemaphore::BinarySemaphore()
: m_isSet(false)
{
}
BinarySemaphore::~BinarySemaphore()
{
}
void BinarySemaphore::signal()
{
MutexLocker locker(m_mutex);
m_isSet = true;
m_condition.signal();
}
bool BinarySemaphore::wait(double absoluteTime)
{
MutexLocker locker(m_mutex);
bool timedOut = false;
while (!m_isSet) {
timedOut = !m_condition.timedWait(m_mutex, absoluteTime);
if (timedOut)
return false;
}
// Reset the semaphore.
m_isSet = false;
return true;
}
} // namespace WTF
#endif // !PLATFORM(WIN)