Question

这里是qmutex.h包含文件的所有文本，一字不差。它仅仅用来说明，版权由Trolltech保留。

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/****************************************************************************
** $Id$
**
** Definition of QMutex class
**
** Created : 931107
**
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** This file may be distributed and/or modified under the terms of the
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** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
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#ifndef QMUTEX_H
#define QMUTEX_H

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

#if defined(QT_THREAD_SUPPORT)

class QMutexPrivate;

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

class Q_EXPORT QMutex
{
    friend class QWaitCondition;
    friend class QWaitConditionPrivate;

public:
    QMutex(bool recursive = FALSE);
    virtual ~QMutex();

    void lock();
    void unlock();
    bool locked();
    bool tryLock();

private:
    QMutexPrivate * d;

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

#endif

#endif