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This is the verbatim text of the qmutex.h include file. It is provided only for illustration; the copyright remains with Trolltech.
/****************************************************************************
** $Id: qt/qmutex.h 3.3.5 edited Aug 31 12:17 $
**
** Definition of QMutex class
**
** Created : 931107
**
** Copyright (C) 1992-2005 Trolltech AS. All rights reserved.
**
** This file is part of the tools 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
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**********************************************************************/
#ifndef QMUTEX_H
#define QMUTEX_H
#ifndef QT_H
#include "qglobal.h"
#endif // QT_H
#if defined(QT_THREAD_SUPPORT)
class QMutexPrivate;
const int Q_MUTEX_NORMAL = 0;
const int Q_MUTEX_RECURSIVE = 1;
class Q_EXPORT QMutex
{
friend class QThread;
friend class QWaitCondition;
friend class QWaitConditionPrivate;
public:
QMutex(bool recursive = FALSE);
virtual ~QMutex();
void lock();
void unlock();
bool locked();
bool tryLock();
private:
QMutexPrivate * d;
#if defined(Q_DISABLE_COPY)
QMutex( const QMutex & );
QMutex &operator=( const QMutex & );
#endif
};
class Q_EXPORT QMutexLocker
{
public:
QMutexLocker( QMutex * );
~QMutexLocker();
QMutex *mutex() const;
private:
QMutex *mtx;
#if defined(Q_DISABLE_COPY)
QMutexLocker( const QMutexLocker & );
QMutexLocker &operator=( const QMutexLocker & );
#endif
};
inline QMutexLocker::QMutexLocker( QMutex *m )
: mtx( m )
{
if ( mtx ) mtx->lock();
}
inline QMutexLocker::~QMutexLocker()
{
if ( mtx ) mtx->unlock();
}
inline QMutex *QMutexLocker::mutex() const
{
return mtx;
}
#endif
#endif
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