QAtomicInt Class Reference

#include <qmutex_p.h>

Public Member Functions
	QAtomicInt (int v=0)
bool	testAndSet (int expectedValue, int newValue)
int	fetchAndAdd (int valueToAdd)
	operator int () const
bool	operator== (int value) const
bool	operator!= (int value) const
bool	operator! () const

Private Attributes
volatile int	m_value

Detailed Description

Definition at line 53 of file qmutex_p.h.

Constructor & Destructor Documentation

QAtomicInt::QAtomicInt ( int  v = 0 )

inline

Definition at line 56 of file qmutex_p.h.

: m_value(v) {}

Member Function Documentation

int QAtomicInt::fetchAndAdd

(

int

valueToAdd

)

Definition at line 108 of file qmutex_unix.cpp.

{
  int returnValue;
  pthread_mutex_lock(&qAtomicMutex);
  returnValue = m_value;
  m_value += valueToAdd;
  pthread_mutex_unlock(&qAtomicMutex);
  return returnValue;
}

QAtomicInt::operator int ( ) const

inline

Definition at line 59 of file qmutex_p.h.

{ return m_value; }

bool QAtomicInt::operator! ( ) const

inline

Definition at line 62 of file qmutex_p.h.

{ return m_value == 0; }

bool QAtomicInt::operator!= ( int  value ) const

inline

Definition at line 61 of file qmutex_p.h.

{ return m_value != value; }

bool QAtomicInt::operator== ( int  value ) const

inline

Definition at line 60 of file qmutex_p.h.

{ return m_value == value; }

bool QAtomicInt::testAndSet	(	int	expectedValue,
		int	newValue
	)

Definition at line 95 of file qmutex_unix.cpp.

{
  bool returnValue = false;
  pthread_mutex_lock(&qAtomicMutex);
  if (m_value == expectedValue)
  {
    m_value = newValue;
    returnValue = true;
  }
  pthread_mutex_unlock(&qAtomicMutex);
  return returnValue;
}

Member Data Documentation

volatile int QAtomicInt::m_value

private

Definition at line 65 of file qmutex_p.h.

---

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