/****************************************************************************
**
** Definition of TQWaitCondition class
**
** Created : 931107
**
** Copyright (C) 1992-2008 Trolltech ASA.  All rights reserved.
**
** This file is part of the tools module of the TQt GUI Toolkit.
**
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** Public License versions 2.0 or 3.0 as published by the Free
** Software Foundation and appearing in the files LICENSE.GPL2
** and LICENSE.GPL3 included in the packaging of this file.
** Alternatively you may (at your option) use any later version
** of the GNU General Public License if such license has been
** publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free TQt Foundation.
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** Public Licensing requirements will be met:
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** included in the packaging of this file.  Licensees holding valid TQt
** Commercial licenses may use this file in accordance with the TQt
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**********************************************************************/

#ifndef TQWAITCONDITION_H
#define TQWAITCONDITION_H

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

#if defined(TQT_THREAD_SUPPORT)

#include <limits.h>

class TQWaitConditionPrivate;
class TQMutex;

class TQ_EXPORT TQWaitCondition
{
public:
    TQWaitCondition();
    virtual ~TQWaitCondition();

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

    void wakeOne();
    void wakeAll();

private:
    TQWaitConditionPrivate * d;

#if defined(TQ_DISABLE_COPY)
    TQWaitCondition( const TQWaitCondition & );
    TQWaitCondition &operator=( const TQWaitCondition & );
#endif
};

#endif

#endif
