QWriteLocker Class Reference

#include <qreadwritelock.h>

Class Description

Definition at line 133 of file qreadwritelock.h.

Public Member Functions
	QWriteLocker (QReadWriteLock *readWriteLock)
	~QWriteLocker ()
void	unlock ()
void	relock ()
QReadWriteLock *	readWriteLock () const

Constructor & Destructor Documentation

QWriteLocker ( QReadWriteLock *  readWriteLock )

inline

Definition at line 170 of file qreadwritelock.h.

    : q_val(reinterpret_cast<quintptr>(areadWriteLock))
{
    Q_ASSERT_X((q_val & quintptr(1u)) == quintptr(0),
               "QWriteLocker", "QReadWriteLock pointer is misaligned");
    relock();
}

~QWriteLocker ( )

inline

Definition at line 138 of file qreadwritelock.h.

    { unlock(); }

Member Function Documentation

void unlock ( )

inline

Definition at line 141 of file qreadwritelock.h.

    {
        if (q_val) {
            if ((q_val & quintptr(1u)) == quintptr(1u)) {
                q_val &= ~quintptr(1u);
                readWriteLock()->unlock();
            }
        }
    }

void relock ( )

inline

Definition at line 151 of file qreadwritelock.h.

    {
        if (q_val) {
            if ((q_val & quintptr(1u)) == quintptr(0u)) {
                readWriteLock()->lockForWrite();
                q_val |= quintptr(1u);
            }
        }
    }

QReadWriteLock* readWriteLock ( ) const

inline

Definition at line 161 of file qreadwritelock.h.

    { return reinterpret_cast<QReadWriteLock *>(q_val & ~quintptr(1u)); }

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

• QtCore/qreadwritelock.h