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tqt3/src/tools/ntqmutex.h

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2.9 KiB

/****************************************************************************
**
** Definition of TQMutex 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.
**
** 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 TQt 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.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.
**
** 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 TQMUTEX_H
#define TQMUTEX_H
#ifndef QT_H
#include "ntqglobal.h"
#endif // QT_H
#if defined(QT_THREAD_SUPPORT)
class TQMutexPrivate;
const int Q_MUTEX_NORMAL = 0;
const int Q_MUTEX_RECURSIVE = 1;
class Q_EXPORT TQMutex
{
friend class TQThread;
friend class TQWaitCondition;
friend class TQWaitConditionPrivate;
public:
TQMutex(bool recursive = FALSE);
virtual ~TQMutex();
void lock();
void unlock();
bool locked();
bool tryLock();
private:
TQMutexPrivate * d;
#if defined(TQ_DISABLE_COPY)
TQMutex( const TQMutex & );
TQMutex &operator=( const TQMutex & );
#endif
};
class Q_EXPORT TQMutexLocker
{
public:
TQMutexLocker( TQMutex * );
~TQMutexLocker();
TQMutex *mutex() const;
private:
TQMutex *mtx;
#if defined(TQ_DISABLE_COPY)
TQMutexLocker( const TQMutexLocker & );
TQMutexLocker &operator=( const TQMutexLocker & );
#endif
};
inline TQMutexLocker::TQMutexLocker( TQMutex *m )
: mtx( m )
{
if ( mtx ) mtx->lock();
}
inline TQMutexLocker::~TQMutexLocker()
{
if ( mtx ) mtx->unlock();
}
inline TQMutex *TQMutexLocker::mutex() const
{
return mtx;
}
#endif
#endif