QMutexPrivate Class Reference

#include <qmutex_p.h>

Public Member Functions
	QMutexPrivate ()
	~QMutexPrivate ()
void	wait ()
void	wakeUp ()

Public Attributes
QAtomicInt	contenders
volatile bool	wakeup
pthread_mutex_t	mutex
pthread_cond_t	cond

Detailed Description

Definition at line 68 of file qmutex_p.h.

Constructor & Destructor Documentation

QMutexPrivate::QMutexPrivate

(

)

Definition at line 58 of file qmutex_unix.cpp.

    : contenders(0), wakeup(FALSE)
{
    report_error(pthread_mutex_init(&mutex, NULL), "QMutex", "mutex init");
    report_error(pthread_cond_init(&cond, NULL), "QMutex", "cv init");
}

QMutexPrivate::~QMutexPrivate

(

)

Definition at line 65 of file qmutex_unix.cpp.

{
    report_error(pthread_cond_destroy(&cond), "QMutex", "cv destroy");
    report_error(pthread_mutex_destroy(&mutex), "QMutex", "mutex destroy");
}

Member Function Documentation

void QMutexPrivate::wait

(

)

Definition at line 71 of file qmutex_unix.cpp.

{
    report_error(pthread_mutex_lock(&mutex), "QMutex::lock", "mutex lock");
    int errorCode = 0;
    while (!wakeup)
    {
        errorCode = pthread_cond_wait(&cond, &mutex);
        if (errorCode)
        {
            report_error(errorCode, "QMutex::lock()", "cv wait");
        }
    }
    wakeup = FALSE;
    report_error(pthread_mutex_unlock(&mutex), "QMutex::lock", "mutex unlock");
}

void QMutexPrivate::wakeUp

(

)

Definition at line 87 of file qmutex_unix.cpp.

{
    report_error(pthread_mutex_lock(&mutex), "QMutex::unlock", "mutex lock");
    wakeup = TRUE;
    report_error(pthread_cond_signal(&cond), "QMutex::unlock", "cv signal");
    report_error(pthread_mutex_unlock(&mutex), "QMutex::unlock", "mutex unlock");
}

Member Data Documentation

pthread_cond_t QMutexPrivate::cond

Definition at line 82 of file qmutex_p.h.

QAtomicInt QMutexPrivate::contenders

Definition at line 77 of file qmutex_p.h.

pthread_mutex_t QMutexPrivate::mutex

Definition at line 81 of file qmutex_p.h.

volatile bool QMutexPrivate::wakeup

Definition at line 80 of file qmutex_p.h.

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

• doxygen-1.8.11/qtools/qmutex_p.h
• doxygen-1.8.11/qtools/qmutex_unix.cpp
• doxygen-1.8.11/qtools/qmutex_win32.cpp