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# ntqmutex.h

This is the verbatim text of the ntqmutex.h include file. It is provided only for illustration; the copyright remains with Trolltech.

    /****************************************************************************
    ** $Id: qt/ntqmutex.h   3.3.8   edited Jan 11 14:38 $
    **
    ** Definition of TQMutex class
    **
    ** Created : 931107
    **
    ** Copyright (C) 1992-2007 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 file LICENSE.GPL 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.
    **
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    ** included in the packaging of this file.  Licensees holding valid TQt
    ** Commercial licenses may use this file in accordance with the TQt
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    #ifndef TQMUTEX_H
    #define TQMUTEX_H

    #ifndef QT_H
    #include "ntqglobal.h"
    #endif // QT_H

    #if defined(TQT_THREAD_SUPPORT)

    class TQMutexPrivate;

    const int Q_MUTEX_NORMAL = 0;
    const int Q_MUTEX_RECURSIVE = 1;

    class TQ_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 TQ_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