QMutexLocker Class Reference

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Detailed Description

Definition at line 94 of file qmutex.h.

#include <qmutex.h>

List of all members.

Public Member Functions
	QMutexLocker (QMutex *m)
	~QMutexLocker ()
void	unlock ()
void	relock ()
QMutex *	mutex () const

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Constructor & Destructor Documentation

QMutexLocker

(

QMutex *

m

)

[inline, explicit]

Definition at line 97 of file qmutex.h.

    {
        Q_ASSERT_X((reinterpret_cast<quintptr>(m) & quintptr(1u)) == quintptr(0),
                   "QMutexLocker", "QMutex pointer is misaligned");
        if (m) {
            m->lock();
            val = reinterpret_cast<quintptr>(m) | quintptr(1u);
        } else {
            val = 0;
        }
    }

~QMutexLocker

(

)

[inline]

Definition at line 108 of file qmutex.h.

{ unlock(); }

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Member Function Documentation

void unlock

(

)

[inline]

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Definition at line 110 of file qmutex.h.

    {
        if ((val & quintptr(1u)) == quintptr(1u)) {
            val &= ~quintptr(1u);
            mutex()->unlock();
        }
    }

void relock

(

)

[inline]

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Definition at line 118 of file qmutex.h.

    {
        if (val) {
            if ((val & quintptr(1u)) == quintptr(0u)) {
                mutex()->lock();
                val |= quintptr(1u);
            }
        }
    }

QMutex* mutex

(

)

const [inline]

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Definition at line 133 of file qmutex.h.

    {
        return reinterpret_cast<QMutex *>(val & ~quintptr(1u));
    }

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The documentation for this class was generated from the following file:

• QtCore/qmutex.h