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Diffstat (limited to 'src/tools/qmutex.h')
-rw-r--r-- | src/tools/qmutex.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/src/tools/qmutex.h b/src/tools/qmutex.h new file mode 100644 index 000000000..a50c600df --- /dev/null +++ b/src/tools/qmutex.h @@ -0,0 +1,114 @@ +/**************************************************************************** +** +** 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 retquirements 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 "qglobal.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(Q_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(Q_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 |