/****************************************************************************
** $Id: qt/qwaitcondition.h   3.3.8   edited Jan 11 14:38 $
**
** Definition of QWaitCondition class
**
** Created : 931107
**
** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
**
** This file is part of the tools module of the Qt GUI Toolkit.
**
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** as defined by Trolltech ASA of Norway and appearing in the file
** LICENSE.QPL included in the packaging of this file.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
** licenses may use this file in accordance with the Qt Commercial License
** Agreement provided with the Software.
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**********************************************************************/

#ifndef QWAITCONDITION_H
#define QWAITCONDITION_H

#ifndef QT_H
#include "qglobal.h"
#endif // QT_H

#if defined(QT_THREAD_SUPPORT)

#include <limits.h>

class QWaitConditionPrivate;
class QMutex;

class Q_EXPORT QWaitCondition
{
public:
    QWaitCondition();
    virtual ~QWaitCondition();

    // default argument causes thread to block indefinately
    bool wait( unsigned long time = ULONG_MAX );
    bool wait( QMutex *mutex, unsigned long time = ULONG_MAX );

    void wakeOne();
    void wakeAll();

private:
    QWaitConditionPrivate * d;

#if defined(Q_DISABLE_COPY)
    QWaitCondition( const QWaitCondition & );
    QWaitCondition &operator=( const QWaitCondition & );
#endif
};

#endif

#endif
