int QAtomicInt::fetchAndAdd(int valueToAdd)
{
int returnValue;
qAtomicCriticalSection.lock();
returnValue = m_value;
m_value += valueToAdd;
qAtomicCriticalSection.unlock();
return returnValue;
}
Q_CORE_EXPORT
int QBasicAtomicInt_fetchAndAddOrdered(volatile int *_q_value, int valueToAdd)
{
int returnValue;
qAtomicCriticalSection.lock();
returnValue = *_q_value;
*_q_value += valueToAdd;
qAtomicCriticalSection.unlock();
return returnValue;
}
Q_CORE_EXPORT
int QBasicAtomicInt_fetchAndStoreOrdered(volatile int *_q_value, int newValue)
{
int returnValue;
qAtomicCriticalSection.lock();
returnValue = *_q_value;
*_q_value = newValue;
qAtomicCriticalSection.unlock();
return returnValue;
}
Q_CORE_EXPORT
void *QBasicAtomicPointer_fetchAndAddOrdered(void * volatile *_q_value, qptrdiff valueToAdd)
{
void *returnValue;
qAtomicCriticalSection.lock();
returnValue = *_q_value;
*_q_value = reinterpret_cast<char *>(returnValue) + valueToAdd;
qAtomicCriticalSection.unlock();
return returnValue;
}
Q_CORE_EXPORT
void *QBasicAtomicPointer_fetchAndStoreOrdered(void * volatile *_q_value, void *newValue)
{
void *returnValue;
qAtomicCriticalSection.lock();
returnValue = *_q_value;
*_q_value = newValue;
qAtomicCriticalSection.unlock();
return returnValue;
}
Q_CORE_EXPORT
bool QBasicAtomicInt_testAndSetOrdered(volatile int *_q_value, int expectedValue, int newValue)
{
bool returnValue = false;
qAtomicCriticalSection.lock();
if (*_q_value == expectedValue) {
*_q_value = newValue;
returnValue = true;
}
qAtomicCriticalSection.unlock();
return returnValue;
}
bool QAtomicInt::testAndSet(int expectedValue,int newValue)
{
bool returnValue = false;
qAtomicCriticalSection.lock();
if (m_value == expectedValue)
{
m_value = newValue;
returnValue = true;
}
qAtomicCriticalSection.unlock();
return returnValue;
}