/*

* Copyright (C) 2009 Google 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:

* 

*     * Redistributions of source code must retain the above copyright

* notice, this list of conditions and the following disclaimer.

*     * 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.

*     * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT

* OWNER OR 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 "Assertions.h"

#include "ChromiumThreading.h"

#include "Threading.h"

namespace WTF {

static ThreadIdentifier mainThreadIdentifier;

void initializeMainThread()

{

    static bool initializedMainThread;

    if (initializedMainThread)

        return;

    initializedMainThread = true;

    mainThreadIdentifier = currentThread();

}

void callOnMainThread(MainThreadFunction* function, void* context)

{

    ChromiumThreading::callOnMainThread(function, context);

}

void callOnMainThreadAndWait(MainThreadFunction*, void*)

{

    ASSERT_NOT_REACHED();

}

void setMainThreadCallbacksPaused(bool)

{

    ASSERT_NOT_REACHED();

}

bool isMainThread()

{

    return currentThread() == mainThreadIdentifier;

}

} // namespace WTF