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/****************************************************************************
**
** Definition of QSemaphore class
**
** Created : 931107
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of the tools module of the Qt GUI Toolkit.
**
** This file may be used under the terms of the GNU General
** 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 Qt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.QPL
** included in the packaging of this file. Licensees holding valid Qt
** Commercial 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 WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/
#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
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