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118 lines
2.9 KiB
118 lines
2.9 KiB
/****************************************************************************
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**
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** Definition of TQMutex class
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**
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** Created : 931107
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**
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** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of the tools module of the TQt GUI Toolkit.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free TQt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** This file may be used under the terms of the Q Public License as
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** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
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** included in the packaging of this file. Licensees holding valid TQt
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** Commercial licenses may use this file in accordance with the TQt
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** Commercial License Agreement provided with the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#ifndef TQMUTEX_H
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#define TQMUTEX_H
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#ifndef QT_H
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#include "ntqglobal.h"
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#endif // QT_H
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#if defined(TQT_THREAD_SUPPORT)
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class TQMutexPrivate;
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const int Q_MUTEX_NORMAL = 0;
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const int Q_MUTEX_RECURSIVE = 1;
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class TQ_EXPORT TQMutex
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{
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friend class TQThread;
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friend class TQWaitCondition;
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friend class TQWaitConditionPrivate;
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public:
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TQMutex(bool recursive = FALSE);
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virtual ~TQMutex();
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void lock();
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void unlock();
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bool locked();
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bool tryLock();
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private:
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TQMutexPrivate * d;
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#if defined(TQ_DISABLE_COPY)
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TQMutex( const TQMutex & );
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TQMutex &operator=( const TQMutex & );
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#endif
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public:
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int level();
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};
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class TQ_EXPORT TQMutexLocker
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{
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public:
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TQMutexLocker( TQMutex * );
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~TQMutexLocker();
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TQMutex *mutex() const;
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private:
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TQMutex *mtx;
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#if defined(TQ_DISABLE_COPY)
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TQMutexLocker( const TQMutexLocker & );
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TQMutexLocker &operator=( const TQMutexLocker & );
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#endif
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};
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inline TQMutexLocker::TQMutexLocker( TQMutex *m )
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: mtx( m )
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{
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if ( mtx ) mtx->lock();
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}
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inline TQMutexLocker::~TQMutexLocker()
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{
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if ( mtx ) mtx->unlock();
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}
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inline TQMutex *TQMutexLocker::mutex() const
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{
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return mtx;
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}
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#endif
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#endif
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