/****************************************************************************
**
** Copyright (C) 1992-2006 Trolltech ASA. All rights reserved.
**
** This file is part of the QtCore module of the Qt Toolkit.
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** License version 2.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file.  Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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****************************************************************************/

#include <windows.h>

#include "qmutex.h"
#include <qatomic.h>
#include "qmutex_p.h"

QMutexPrivate::QMutexPrivate(QMutex::RecursionMode mode)
    : lock(0), owner(0), count(0), recursive(mode == QMutex::Recursive),
      event(QT_WA_INLINE(CreateEventW(0, FALSE, FALSE, 0),
                         CreateEventA(0, FALSE, FALSE, 0)))
{
    if (!event)
        qWarning("QMutexPrivate::QMutexPrivate: Cannot create event");
}

QMutexPrivate::~QMutexPrivate()
{ CloseHandle(event); }

ulong QMutexPrivate::self()
{ return GetCurrentThreadId(); }

void QMutexPrivate::wait()
{ 
    if (WaitForSingleObject(event, INFINITE) != WAIT_OBJECT_0)
        qWarning("QMutexPrivate::wait: Waiting on event failed");
}

void QMutexPrivate::wakeUp()
{ SetEvent(event); }
