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- /****************************************************************************
- ** $Id: qt/qsemaphore.h 3.0.3 edited Oct 12 12:18 $
- **
- ** Definition of QSemaphore class
- **
- ** Created : 931107
- **
- ** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
- **
- ** This file is part of the kernel 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 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
-