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qwaitcondition.h

这里是qwaitcondition.h包含文件的所有文本，一字不差。它仅仅用来说明，版权由Trolltech保留。

/****************************************************************************
** $Id$
**
** Definition of QWaitCondition class
**
** Created : 931107
**
** Copyright (C) 1992-2002 Trolltech AS.  All rights reserved.
**
** This file is part of the tools module of the Qt GUI Toolkit.
**
** This file may be distributed under the terms of the Q Public License
** as defined by Trolltech AS 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.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
**   information about Qt Commercial License Agreements.
** See http://www.trolltech.com/qpl/ for QPL licensing information.
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/

#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