/****************************************************************************
**
** Definition of TQSemaphore 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:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** or contact the sales department at sales@trolltech.com.
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** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
** included in the packaging of this file.  Licensees holding valid TQt
** Commercial licenses may use this file in accordance with the TQt
** Commercial License Agreement provided with the Software.
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**********************************************************************/

#ifndef TQSEMAPHORE_H
#define TQSEMAPHORE_H

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

#if defined(TQT_THREAD_SUPPORT)

class TQSemaphorePrivate;

class TQ_EXPORT TQSemaphore
{
public:
    TQSemaphore( int );
    virtual ~TQSemaphore();

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

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

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

    bool tryAccess(int);

private:
    TQSemaphorePrivate *d;

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

#endif

#endif