qthread.h Include File

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# qthread.h

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

    /****************************************************************************
    ** $Id: qt/qthread.h   3.3.2   edited May 27 2003 $
    **
    ** Definition of QThread class
    **
    ** Created : 931107
    **
    ** Copyright (C) 1992-2000 Trolltech AS.  All rights reserved.
    **
    ** This file is part of the kernel 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
    ** Agreement provided with the Software.
    **
    ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
    ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
    **
    ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
    **   information about Qt Commercial License Agreements.
    ** See http://www.trolltech.com/qpl/ for QPL licensing information.
    ** See http://www.trolltech.com/gpl/ for GPL licensing information.
    **
    ** Contact info@trolltech.com if any conditions of this licensing are
    ** not clear to you.
    **
    **********************************************************************/

    #ifndef QTHREAD_H
    #define QTHREAD_H

    #if defined(QT_THREAD_SUPPORT)

    #ifndef QT_H
    #include "qwindowdefs.h"
    #ifndef QT_NO_COMPAT
    #include "qmutex.h"
    #include "qsemaphore.h"
    #include "qwaitcondition.h"
    #endif // QT_NO_COMPAT
    #endif // QT_H

    #include <limits.h>

    class QThreadInstance;

    class Q_EXPORT QThread : public Qt
    {
    public:
        static Qt::HANDLE currentThread();

    #ifndef QT_NO_COMPAT
        static void postEvent( QObject *,QEvent * );
    #endif

        static void initialize();
        static void cleanup();

        static void exit();

    #ifdef Q_QDOC
        QThread( unsigned int stackSize = 0 );
    #else
        QThread( unsigned int stackSize );
        QThread();
    #endif

        virtual ~QThread();

        // default argument causes thread to block indefinately
        bool wait( unsigned long time = ULONG_MAX );

        enum Priority {
    	IdlePriority,

    	LowestPriority,
    	LowPriority,
    	NormalPriority,
    	HighPriority,
    	HighestPriority,

    	TimeCriticalPriority,

    	InheritPriority
        };

    #ifdef Q_QDOC
        void start( Priority = InheritPriority );
    #else
        void start( Priority );
        void start();
    #endif

        void terminate();

        bool finished() const;
        bool running() const;

    protected:
        virtual void run() = 0;

        static void sleep( unsigned long );
        static void msleep( unsigned long );
        static void usleep( unsigned long );

    private:
        QThreadInstance * d;
        friend class QThreadInstance;

    #if defined(Q_DISABLE_COPY)
        QThread( const QThread & );
        QThread &operator=( const QThread & );
    #endif // Q_DISABLE_COPY
    };

    #endif // QT_THREAD_SUPPORT

    #endif // QTHREAD_H