QWaitCondition Class Reference

#include <qwaitcondition.h>

Public Member Functions
	QWaitCondition ()
	~QWaitCondition ()
void	wait (QMutex *mutex)
void	wakeOne ()
void	wakeAll ()

Private Member Functions
	QWaitCondition (const QWaitCondition &)
QWaitCondition &	operator= (const QWaitCondition &)

Private Attributes
QWaitConditionPrivate *	d

Detailed Description

Definition at line 50 of file qwaitcondition.h.

Constructor & Destructor Documentation

QWaitCondition::QWaitCondition

(

)

Definition at line 92 of file qwaitcondition_unix.cpp.

{
    d = new QWaitConditionPrivate;
    report_error(pthread_mutex_init(&d->mutex, NULL), "QWaitCondition", "mutex init");
    report_error(pthread_cond_init(&d->cond, NULL), "QWaitCondition", "cv init");
    d->waiters = d->wakeups = 0;
}

QWaitCondition::~QWaitCondition

(

)

Definition at line 101 of file qwaitcondition_unix.cpp.

{
    report_error(pthread_cond_destroy(&d->cond), "QWaitCondition", "cv destroy");
    report_error(pthread_mutex_destroy(&d->mutex), "QWaitCondition", "mutex destroy");
    delete d;
}

QWaitCondition::QWaitCondition ( const QWaitCondition &  )

private

Member Function Documentation

QWaitCondition& QWaitCondition::operator= ( const QWaitCondition &  )

private

void QWaitCondition::wait

(

QMutex *

mutex

)

Definition at line 124 of file qwaitcondition_unix.cpp.

{
    if (!mutex) return;

    report_error(pthread_mutex_lock(&d->mutex), "QWaitCondition::wait()", "mutex lock");
    ++d->waiters;
    mutex->unlock();
    d->wait();
    mutex->lock();
}

void QWaitCondition::wakeAll

(

)

Definition at line 116 of file qwaitcondition_unix.cpp.

{
    report_error(pthread_mutex_lock(&d->mutex), "QWaitCondition::wakeAll()", "mutex lock");
    d->wakeups = d->waiters;
    report_error(pthread_cond_broadcast(&d->cond), "QWaitCondition::wakeAll()", "cv broadcast");
    report_error(pthread_mutex_unlock(&d->mutex), "QWaitCondition::wakeAll()", "mutex unlock");
}

void QWaitCondition::wakeOne

(

)

Definition at line 108 of file qwaitcondition_unix.cpp.

{
    report_error(pthread_mutex_lock(&d->mutex), "QWaitCondition::wakeOne()", "mutex lock");
    d->wakeups = MIN(d->wakeups + 1, d->waiters);
    report_error(pthread_cond_signal(&d->cond), "QWaitCondition::wakeOne()", "cv signal");
    report_error(pthread_mutex_unlock(&d->mutex), "QWaitCondition::wakeOne()", "mutex unlock");
}

Member Data Documentation

QWaitConditionPrivate* QWaitCondition::d

private

Definition at line 65 of file qwaitcondition.h.

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

• doxygen-1.8.11/qtools/qwaitcondition.h
• doxygen-1.8.11/qtools/qwaitcondition_unix.cpp
• doxygen-1.8.11/qtools/qwaitcondition_win32.cpp