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qsemaphore.h

This is the verbatim text of the qsemaphore.h include file. It is provided only for illustration; the copyright remains with Trolltech.

/****************************************************************************
** $Id: qt/qsemaphore.h   3.2.0b2   edited May 13 09:08 $
**
** Definition of QSemaphore 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.
**
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** 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
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**********************************************************************/

#ifndef QSEMAPHORE_H
#define QSEMAPHORE_H

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

#if defined(QT_THREAD_SUPPORT)

class QSemaphorePrivate;

class Q_EXPORT QSemaphore
{
public:
    QSemaphore( int );
    virtual ~QSemaphore();

    int available() const;
    int total() const;

    // postfix operators
    int operator++(int);
    int operator--(int);

    int operator+=(int);
    int operator-=(int);

    bool tryAccess(int);

private:
    QSemaphorePrivate *d;

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

#endif

#endif