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/*
* Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
* Copyright (C) 2007 Justin Haygood (jhaygood@reaktix.com)
*
* 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.
* 3. Neither the name of Apple Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE 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 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 "MainThread.h"
#include <glib.h>
#include <wtf/RunLoop.h>
static pthread_t mainThreadPthread;
namespace WTF {
class MainThreadDispatcher {
public:
MainThreadDispatcher()
: m_timer(RunLoop::main(), this, &MainThreadDispatcher::fired)
{
m_timer.setPriority(G_PRIORITY_HIGH_IDLE + 20);
}
void schedule()
{
m_timer.startOneShot(0);
}
private:
void fired()
{
dispatchFunctionsFromMainThread();
}
RunLoop::Timer<MainThreadDispatcher> m_timer;
};
void initializeMainThreadPlatform()
{
mainThreadPthread = pthread_self();
}
bool isMainThread()
{
ASSERT(mainThreadPthread);
return pthread_equal(pthread_self(), mainThreadPthread);
}
void scheduleDispatchFunctionsOnMainThread()
{
// Use a RunLoop::Timer instead of RunLoop::dispatch() to be able to use a different priority and
// avoid the double queue because dispatchOnMainThread also queues the functions.
static MainThreadDispatcher dispatcher;
dispatcher.schedule();
}
} // namespace WTF
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