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** | |
** GNU General Public License Usage | |
** Alternatively, this file may be used under the terms of the GNU General | |
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****************************************************************************/ | |
#ifndef QATOMIC_GENERIC_H | |
#define QATOMIC_GENERIC_H | |
QT_BEGIN_HEADER | |
QT_BEGIN_NAMESPACE | |
#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_NOT_NATIVE | |
inline bool QBasicAtomicInt::isReferenceCountingNative() | |
{ return false; } | |
inline bool QBasicAtomicInt::isReferenceCountingWaitFree() | |
{ return false; } | |
#define Q_ATOMIC_INT_TEST_AND_SET_IS_NOT_NATIVE | |
inline bool QBasicAtomicInt::isTestAndSetNative() | |
{ return false; } | |
inline bool QBasicAtomicInt::isTestAndSetWaitFree() | |
{ return false; } | |
#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_NOT_NATIVE | |
inline bool QBasicAtomicInt::isFetchAndStoreNative() | |
{ return false; } | |
inline bool QBasicAtomicInt::isFetchAndStoreWaitFree() | |
{ return false; } | |
#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_NOT_NATIVE | |
inline bool QBasicAtomicInt::isFetchAndAddNative() | |
{ return false; } | |
inline bool QBasicAtomicInt::isFetchAndAddWaitFree() | |
{ return false; } | |
#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_NOT_NATIVE | |
template <typename T> | |
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetNative() | |
{ return false; } | |
template <typename T> | |
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetWaitFree() | |
{ return false; } | |
#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_NOT_NATIVE | |
template <typename T> | |
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreNative() | |
{ return false; } | |
template <typename T> | |
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreWaitFree() | |
{ return false; } | |
#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_NOT_NATIVE | |
template <typename T> | |
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddNative() | |
{ return false; } | |
template <typename T> | |
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddWaitFree() | |
{ return false; } | |
Q_CORE_EXPORT bool QBasicAtomicInt_testAndSetOrdered(volatile int *, int, int); | |
Q_CORE_EXPORT int QBasicAtomicInt_fetchAndStoreOrdered(volatile int *, int); | |
Q_CORE_EXPORT int QBasicAtomicInt_fetchAndAddOrdered(volatile int *, int); | |
Q_CORE_EXPORT bool QBasicAtomicPointer_testAndSetOrdered(void * volatile *, void *, void *); | |
Q_CORE_EXPORT void *QBasicAtomicPointer_fetchAndStoreOrdered(void * volatile *, void *); | |
Q_CORE_EXPORT void *QBasicAtomicPointer_fetchAndAddOrdered(void * volatile *, qptrdiff); | |
// Reference counting | |
inline bool QBasicAtomicInt::ref() | |
{ | |
return QBasicAtomicInt_fetchAndAddOrdered(&_q_value, 1) != -1; | |
} | |
inline bool QBasicAtomicInt::deref() | |
{ | |
return QBasicAtomicInt_fetchAndAddOrdered(&_q_value, -1) != 1; | |
} | |
// Test and set for integers | |
inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue) | |
{ | |
return QBasicAtomicInt_testAndSetOrdered(&_q_value, expectedValue, newValue); | |
} | |
inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue) | |
{ | |
return testAndSetOrdered(expectedValue, newValue); | |
} | |
inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue) | |
{ | |
return testAndSetOrdered(expectedValue, newValue); | |
} | |
inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue) | |
{ | |
return testAndSetOrdered(expectedValue, newValue); | |
} | |
// Fetch and store for integers | |
inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue) | |
{ | |
return QBasicAtomicInt_fetchAndStoreOrdered(&_q_value, newValue); | |
} | |
inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue) | |
{ | |
return fetchAndStoreOrdered(newValue); | |
} | |
inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue) | |
{ | |
return fetchAndStoreOrdered(newValue); | |
} | |
inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue) | |
{ | |
return fetchAndStoreOrdered(newValue); | |
} | |
// Fetch and add for integers | |
inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd) | |
{ | |
return QBasicAtomicInt_fetchAndAddOrdered(&_q_value, valueToAdd); | |
} | |
inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd) | |
{ | |
return fetchAndAddOrdered(valueToAdd); | |
} | |
inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd) | |
{ | |
return fetchAndAddOrdered(valueToAdd); | |
} | |
inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd) | |
{ | |
return fetchAndAddOrdered(valueToAdd); | |
} | |
// Test and set for pointers | |
template <typename T> | |
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue) | |
{ | |
union { T * volatile * typed; void * volatile * voidp; } pointer; | |
pointer.typed = &_q_value; | |
return QBasicAtomicPointer_testAndSetOrdered(pointer.voidp, expectedValue, newValue); | |
} | |
template <typename T> | |
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue) | |
{ | |
return testAndSetOrdered(expectedValue, newValue); | |
} | |
template <typename T> | |
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue) | |
{ | |
return testAndSetOrdered(expectedValue, newValue); | |
} | |
template <typename T> | |
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue) | |
{ | |
return testAndSetOrdered(expectedValue, newValue); | |
} | |
// Fetch and store for pointers | |
template <typename T> | |
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue) | |
{ | |
union { T * volatile * typed; void * volatile * voidp; } pointer; | |
union { T *typed; void *voidp; } returnValue; | |
pointer.typed = &_q_value; | |
returnValue.voidp = QBasicAtomicPointer_fetchAndStoreOrdered(pointer.voidp, newValue); | |
return returnValue.typed; | |
} | |
template <typename T> | |
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue) | |
{ | |
return fetchAndStoreOrdered(newValue); | |
} | |
template <typename T> | |
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue) | |
{ | |
return fetchAndStoreOrdered(newValue); | |
} | |
template <typename T> | |
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue) | |
{ | |
return fetchAndStoreOrdered(newValue); | |
} | |
// Fetch and add for pointers | |
template <typename T> | |
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd) | |
{ | |
union { T * volatile *typed; void * volatile *voidp; } pointer; | |
union { T *typed; void *voidp; } returnValue; | |
pointer.typed = &_q_value; | |
returnValue.voidp = QBasicAtomicPointer_fetchAndAddOrdered(pointer.voidp, valueToAdd * sizeof(T)); | |
return returnValue.typed; | |
} | |
template <typename T> | |
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd) | |
{ | |
return fetchAndAddOrdered(valueToAdd); | |
} | |
template <typename T> | |
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd) | |
{ | |
return fetchAndAddOrdered(valueToAdd); | |
} | |
template <typename T> | |
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd) | |
{ | |
return fetchAndAddOrdered(valueToAdd); | |
} | |
QT_END_NAMESPACE | |
QT_END_HEADER | |
#endif // QATOMIC_GENERIC_H |