diff options
Diffstat (limited to 'src/corelib/thread')
| -rw-r--r-- | src/corelib/thread/qatomic.cpp | 204 | ||||
| -rw-r--r-- | src/corelib/thread/qatomic.h | 6 |
2 files changed, 142 insertions, 68 deletions
diff --git a/src/corelib/thread/qatomic.cpp b/src/corelib/thread/qatomic.cpp index b1a7edad91..5c3ad9412f 100644 --- a/src/corelib/thread/qatomic.cpp +++ b/src/corelib/thread/qatomic.cpp @@ -234,22 +234,26 @@ \sa QAtomicPointer */ -/*! \fn QAtomicInt::QAtomicInt(int value) +/*! + \fn QAtomicInt::QAtomicInt(int value) Constructs a QAtomicInt with the given \a value. */ -/*! \fn QAtomicInteger<T>::QAtomicInteger(T value) +/*! + \fn template <typename T> QAtomicInteger<T>::QAtomicInteger(T value) Constructs a QAtomicInteger with the given \a value. */ -/*! \fn template <typename T> QAtomicInteger<T>::QAtomicInteger(const QAtomicInteger &other) +/*! + \fn template <typename T> QAtomicInteger<T>::QAtomicInteger(const QAtomicInteger &other) Constructs a copy of \a other. */ -/*! \fn template <typename T> QAtomicInteger &QAtomicInteger<T>::operator=(const QAtomicInteger &other) +/*! + \fn template <typename T> QAtomicInteger &QAtomicInteger<T>::operator=(const QAtomicInteger &other) Assigns \a other to this QAtomicInteger and returns a reference to this QAtomicInteger. @@ -344,19 +348,22 @@ \sa storeRelaxed(), storeRelease() */ -/*! \fn template <typename T> bool QAtomicInteger<T>::isReferenceCountingNative() +/*! + \fn template <typename T> bool QAtomicInteger<T>::isReferenceCountingNative() Returns \c true if reference counting is implemented using atomic processor instructions, false otherwise. */ -/*! \fn template <typename T> bool QAtomicInteger<T>::isReferenceCountingWaitFree() +/*! + \fn template <typename T> bool QAtomicInteger<T>::isReferenceCountingWaitFree() Returns \c true if atomic reference counting is wait-free, false otherwise. */ -/*! \fn template <typename T> bool QAtomicInteger<T>::ref() +/*! + \fn template <typename T> bool QAtomicInteger<T>::ref() Atomically increments the value of this QAtomicInteger. Returns \c true if the new value is non-zero, false otherwise. @@ -394,7 +401,8 @@ \sa ref(), operator++(), operator--(int) */ -/*! \fn template <typename T> bool QAtomicInteger<T>::deref() +/*! + \fn template <typename T> bool QAtomicInteger<T>::deref() Atomically decrements the value of this QAtomicInteger. Returns \c true if the new value is non-zero, false otherwise. @@ -432,18 +440,21 @@ \sa deref(), operator--(), operator++(int) */ -/*! \fn template <typename T> bool QAtomicInteger<T>::isTestAndSetNative() +/*! + \fn template <typename T> bool QAtomicInteger<T>::isTestAndSetNative() Returns \c true if test-and-set is implemented using atomic processor instructions, false otherwise. */ -/*! \fn template <typename T> bool QAtomicInteger<T>::isTestAndSetWaitFree() +/*! + \fn template <typename T> bool QAtomicInteger<T>::isTestAndSetWaitFree() Returns \c true if atomic test-and-set is wait-free, false otherwise. */ -/*! \fn template <typename T> bool QAtomicInteger<T>::testAndSetRelaxed(T expectedValue, T newValue) +/*! + \fn template <typename T> bool QAtomicInteger<T>::testAndSetRelaxed(T expectedValue, T newValue) Atomic test-and-set. @@ -457,7 +468,8 @@ processor to freely reorder memory accesses. */ -/*! \fn template <typename T> bool QAtomicInteger<T>::testAndSetAcquire(T expectedValue, T newValue) +/*! + \fn template <typename T> bool QAtomicInteger<T>::testAndSetAcquire(T expectedValue, T newValue) Atomic test-and-set. @@ -472,7 +484,8 @@ be re-ordered before the atomic operation. */ -/*! \fn template <typename T> bool QAtomicInteger<T>::testAndSetRelease(T expectedValue, T newValue) +/*! + \fn template <typename T> bool QAtomicInteger<T>::testAndSetRelease(T expectedValue, T newValue) Atomic test-and-set. @@ -487,7 +500,8 @@ re-ordered after the atomic operation. */ -/*! \fn template <typename T> bool QAtomicInteger<T>::testAndSetOrdered(T expectedValue, T newValue) +/*! + \fn template <typename T> bool QAtomicInteger<T>::testAndSetOrdered(T expectedValue, T newValue) Atomic test-and-set. @@ -502,19 +516,22 @@ may not be re-ordered. */ -/*! \fn template <typename T> bool QAtomicInteger<T>::isFetchAndStoreNative() +/*! + \fn template <typename T> bool QAtomicInteger<T>::isFetchAndStoreNative() Returns \c true if fetch-and-store is implemented using atomic processor instructions, false otherwise. */ -/*! \fn template <typename T> bool QAtomicInteger<T>::isFetchAndStoreWaitFree() +/*! + \fn template <typename T> bool QAtomicInteger<T>::isFetchAndStoreWaitFree() Returns \c true if atomic fetch-and-store is wait-free, false otherwise. */ -/*! \fn template <typename T> T QAtomicInteger<T>::fetchAndStoreRelaxed(T newValue) +/*! + \fn template <typename T> T QAtomicInteger<T>::fetchAndStoreRelaxed(T newValue) Atomic fetch-and-store. @@ -526,7 +543,8 @@ processor to freely reorder memory accesses. */ -/*! \fn template <typename T> T QAtomicInteger<T>::fetchAndStoreAcquire(T newValue) +/*! + \fn template <typename T> T QAtomicInteger<T>::fetchAndStoreAcquire(T newValue) Atomic fetch-and-store. @@ -539,7 +557,8 @@ be re-ordered before the atomic operation. */ -/*! \fn template <typename T> T QAtomicInteger<T>::fetchAndStoreRelease(T newValue) +/*! + \fn template <typename T> T QAtomicInteger<T>::fetchAndStoreRelease(T newValue) Atomic fetch-and-store. @@ -552,7 +571,8 @@ re-ordered after the atomic operation. */ -/*! \fn template <typename T> T QAtomicInteger<T>::fetchAndStoreOrdered(T newValue) +/*! + \fn template <typename T> T QAtomicInteger<T>::fetchAndStoreOrdered(T newValue) Atomic fetch-and-store. @@ -565,19 +585,22 @@ may not be re-ordered. */ -/*! \fn template <typename T> bool QAtomicInteger<T>::isFetchAndAddNative() +/*! + \fn template <typename T> bool QAtomicInteger<T>::isFetchAndAddNative() Returns \c true if fetch-and-add is implemented using atomic processor instructions, false otherwise. */ -/*! \fn template <typename T> bool QAtomicInteger<T>::isFetchAndAddWaitFree() +/*! + \fn template <typename T> bool QAtomicInteger<T>::isFetchAndAddWaitFree() Returns \c true if atomic fetch-and-add is wait-free, false otherwise. */ -/*! \fn template <typename T> T QAtomicInteger<T>::fetchAndAddRelaxed(T valueToAdd) +/*! + \fn template <typename T> T QAtomicInteger<T>::fetchAndAddRelaxed(T valueToAdd) Atomic fetch-and-add. @@ -591,7 +614,8 @@ \sa operator+=(), fetchAndSubRelaxed() */ -/*! \fn template <typename T> T QAtomicInteger<T>::fetchAndAddAcquire(T valueToAdd) +/*! + \fn template <typename T> T QAtomicInteger<T>::fetchAndAddAcquire(T valueToAdd) Atomic fetch-and-add. @@ -606,7 +630,8 @@ \sa operator+=(), fetchAndSubAcquire() */ -/*! \fn template <typename T> T QAtomicInteger<T>::fetchAndAddRelease(T valueToAdd) +/*! + \fn template <typename T> T QAtomicInteger<T>::fetchAndAddRelease(T valueToAdd) Atomic fetch-and-add. @@ -621,7 +646,8 @@ \sa operator+=(), fetchAndSubRelease() */ -/*! \fn template <typename T> T QAtomicInteger<T>::fetchAndAddOrdered(T valueToAdd) +/*! + \fn template <typename T> T QAtomicInteger<T>::fetchAndAddOrdered(T valueToAdd) Atomic fetch-and-add. @@ -636,7 +662,8 @@ \sa operator+=(), fetchAndSubOrdered() */ -/*! \fn template <typename T> T QAtomicInteger<T>::operator+=(T value) +/*! + \fn template <typename T> T QAtomicInteger<T>::operator+=(T value) \since 5.3 Atomic add-and-fetch. @@ -650,7 +677,8 @@ \sa fetchAndAddOrdered(), operator-=() */ -/*! \fn template <typename T> T QAtomicInteger<T>::fetchAndSubRelaxed(T valueToSub) +/*! + \fn template <typename T> T QAtomicInteger<T>::fetchAndSubRelaxed(T valueToSub) \since 5.3 Atomic fetch-and-sub. @@ -665,7 +693,8 @@ \sa operator-=(), fetchAndAddRelaxed() */ -/*! \fn template <typename T> T QAtomicInteger<T>::fetchAndSubAcquire(T valueToSub) +/*! + \fn template <typename T> T QAtomicInteger<T>::fetchAndSubAcquire(T valueToSub) \since 5.3 Atomic fetch-and-sub. @@ -681,7 +710,8 @@ \sa operator-=(), fetchAndAddAcquire() */ -/*! \fn template <typename T> T QAtomicInteger<T>::fetchAndSubRelease(T valueToSub) +/*! + \fn template <typename T> T QAtomicInteger<T>::fetchAndSubRelease(T valueToSub) \since 5.3 Atomic fetch-and-sub. @@ -697,7 +727,8 @@ \sa operator-=(), fetchAndAddRelease() */ -/*! \fn template <typename T> T QAtomicInteger<T>::fetchAndSubOrdered(T valueToSub) +/*! + \fn template <typename T> T QAtomicInteger<T>::fetchAndSubOrdered(T valueToSub) \since 5.3 Atomic fetch-and-sub. @@ -713,7 +744,8 @@ \sa operator-=(), fetchAndAddOrdered() */ -/*! \fn template <typename T> T QAtomicInteger<T>::operator-=(T value) +/*! + \fn template <typename T> T QAtomicInteger<T>::operator-=(T value) \since 5.3 Atomic sub-and-fetch. @@ -727,7 +759,8 @@ \sa fetchAndSubOrdered(), operator+=() */ -/*! \fn template <typename T> T QAtomicInteger<T>::fetchAndOrRelaxed(T valueToOr) +/*! + \fn template <typename T> T QAtomicInteger<T>::fetchAndOrRelaxed(T valueToOr) \since 5.3 Atomic fetch-and-or. @@ -742,7 +775,8 @@ \sa operator|=() */ -/*! \fn template <typename T> T QAtomicInteger<T>::fetchAndOrAcquire(T valueToOr) +/*! + \fn template <typename T> T QAtomicInteger<T>::fetchAndOrAcquire(T valueToOr) \since 5.3 Atomic fetch-and-or. @@ -758,7 +792,8 @@ \sa operator|=() */ -/*! \fn template <typename T> T QAtomicInteger<T>::fetchAndOrRelease(T valueToOr) +/*! + \fn template <typename T> T QAtomicInteger<T>::fetchAndOrRelease(T valueToOr) \since 5.3 Atomic fetch-and-or. @@ -774,7 +809,8 @@ \sa operator|=() */ -/*! \fn template <typename T> T QAtomicInteger<T>::fetchAndOrOrdered(T valueToOr) +/*! + \fn template <typename T> T QAtomicInteger<T>::fetchAndOrOrdered(T valueToOr) \since 5.3 Atomic fetch-and-or. @@ -790,7 +826,8 @@ \sa operator|=() */ -/*! \fn template <typename T> T QAtomicInteger<T>::operator|=(T value) +/*! + \fn template <typename T> T QAtomicInteger<T>::operator|=(T value) \since 5.3 Atomic or-and-fetch. @@ -804,7 +841,8 @@ \sa fetchAndOrOrdered() */ -/*! \fn template <typename T> T QAtomicInteger<T>::fetchAndXorRelaxed(T valueToXor) +/*! + \fn template <typename T> T QAtomicInteger<T>::fetchAndXorRelaxed(T valueToXor) \since 5.3 Atomic fetch-and-xor. @@ -819,7 +857,8 @@ \sa operator^=() */ -/*! \fn template <typename T> T QAtomicInteger<T>::fetchAndXorAcquire(T valueToXor) +/*! + \fn template <typename T> T QAtomicInteger<T>::fetchAndXorAcquire(T valueToXor) \since 5.3 Atomic fetch-and-xor. @@ -835,7 +874,8 @@ \sa operator^=() */ -/*! \fn template <typename T> T QAtomicInteger<T>::fetchAndXorRelease(T valueToXor) +/*! + \fn template <typename T> T QAtomicInteger<T>::fetchAndXorRelease(T valueToXor) \since 5.3 Atomic fetch-and-xor. @@ -851,7 +891,8 @@ \sa operator^=() */ -/*! \fn template <typename T> T QAtomicInteger<T>::fetchAndXorOrdered(T valueToXor) +/*! + \fn template <typename T> T QAtomicInteger<T>::fetchAndXorOrdered(T valueToXor) \since 5.3 Atomic fetch-and-xor. @@ -867,7 +908,8 @@ \sa operator^=() */ -/*! \fn template <typename T> T QAtomicInteger<T>::operator^=(T value) +/*! + \fn template <typename T> T QAtomicInteger<T>::operator^=(T value) \since 5.3 Atomic xor-and-fetch. @@ -881,7 +923,8 @@ \sa fetchAndXorOrdered() */ -/*! \fn template <typename T> T QAtomicInteger<T>::fetchAndAndRelaxed(T valueToAnd) +/*! + \fn template <typename T> T QAtomicInteger<T>::fetchAndAndRelaxed(T valueToAnd) \since 5.3 Atomic fetch-and-and. @@ -896,7 +939,8 @@ \sa operator&=() */ -/*! \fn template <typename T> T QAtomicInteger<T>::fetchAndAndAcquire(T valueToAnd) +/*! + \fn template <typename T> T QAtomicInteger<T>::fetchAndAndAcquire(T valueToAnd) \since 5.3 Atomic fetch-and-and. @@ -912,7 +956,8 @@ \sa operator&=() */ -/*! \fn template <typename T> T QAtomicInteger<T>::fetchAndAndRelease(T valueToAnd) +/*! + \fn template <typename T> T QAtomicInteger<T>::fetchAndAndRelease(T valueToAnd) \since 5.3 Atomic fetch-and-and. @@ -928,7 +973,8 @@ \sa operator&=() */ -/*! \fn template <typename T> T QAtomicInteger<T>::fetchAndAndOrdered(T valueToAnd) +/*! + \fn template <typename T> T QAtomicInteger<T>::fetchAndAndOrdered(T valueToAnd) \since 5.3 Atomic fetch-and-and. @@ -944,7 +990,8 @@ \sa operator&=() */ -/*! \fn template <typename T> T QAtomicInteger<T>::operator&=(T value) +/*! + \fn template <typename T> T QAtomicInteger<T>::operator&=(T value) \since 5.3 Atomic add-and-fetch. @@ -1287,17 +1334,20 @@ \sa QAtomicInteger */ -/*! \fn template <typename T> QAtomicPointer<T>::QAtomicPointer(T *value) +/*! + \fn template <typename T> QAtomicPointer<T>::QAtomicPointer(T *value) Constructs a QAtomicPointer with the given \a value. */ -/*! \fn template <typename T> QAtomicPointer<T>::QAtomicPointer(const QAtomicPointer<T> &other) +/*! + \fn template <typename T> QAtomicPointer<T>::QAtomicPointer(const QAtomicPointer<T> &other) Constructs a copy of \a other. */ -/*! \fn template <typename T> QAtomicPointer &QAtomicPointer<T>::operator=(const QAtomicPointer &other) +/*! + \fn template <typename T> QAtomicPointer &QAtomicPointer<T>::operator=(const QAtomicPointer &other) Assigns \a other to this QAtomicPointer and returns a reference to this QAtomicPointer. @@ -1369,18 +1419,21 @@ \sa storeRelaxed(), loadRelaxed() */ -/*! \fn template <typename T> bool QAtomicPointer<T>::isTestAndSetNative() +/*! + \fn template <typename T> bool QAtomicPointer<T>::isTestAndSetNative() Returns \c true if test-and-set is implemented using atomic processor instructions, false otherwise. */ -/*! \fn template <typename T> bool QAtomicPointer<T>::isTestAndSetWaitFree() +/*! + \fn template <typename T> bool QAtomicPointer<T>::isTestAndSetWaitFree() Returns \c true if atomic test-and-set is wait-free, false otherwise. */ -/*! \fn template <typename T> bool QAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue) +/*! + \fn template <typename T> bool QAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue) Atomic test-and-set. @@ -1394,7 +1447,8 @@ processor to freely reorder memory accesses. */ -/*! \fn template <typename T> bool QAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue) +/*! + \fn template <typename T> bool QAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue) Atomic test-and-set. @@ -1409,7 +1463,8 @@ be re-ordered before the atomic operation. */ -/*! \fn template <typename T> bool QAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue) +/*! + \fn template <typename T> bool QAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue) Atomic test-and-set. @@ -1424,7 +1479,8 @@ re-ordered after the atomic operation. */ -/*! \fn template <typename T> bool QAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue) +/*! + \fn template <typename T> bool QAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue) Atomic test-and-set. @@ -1439,19 +1495,22 @@ may not be re-ordered. */ -/*! \fn template <typename T> bool QAtomicPointer<T>::isFetchAndStoreNative() +/*! + \fn template <typename T> bool QAtomicPointer<T>::isFetchAndStoreNative() Returns \c true if fetch-and-store is implemented using atomic processor instructions, false otherwise. */ -/*! \fn template <typename T> bool QAtomicPointer<T>::isFetchAndStoreWaitFree() +/*! + \fn template <typename T> bool QAtomicPointer<T>::isFetchAndStoreWaitFree() Returns \c true if atomic fetch-and-store is wait-free, false otherwise. */ -/*! \fn template <typename T> T *QAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue) +/*! + \fn template <typename T> T *QAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue) Atomic fetch-and-store. @@ -1463,7 +1522,8 @@ processor to freely reorder memory accesses. */ -/*! \fn template <typename T> T *QAtomicPointer<T>::fetchAndStoreAcquire(T *newValue) +/*! + \fn template <typename T> T *QAtomicPointer<T>::fetchAndStoreAcquire(T *newValue) Atomic fetch-and-store. @@ -1476,7 +1536,8 @@ be re-ordered before the atomic operation. */ -/*! \fn template <typename T> T *QAtomicPointer<T>::fetchAndStoreRelease(T *newValue) +/*! + \fn template <typename T> T *QAtomicPointer<T>::fetchAndStoreRelease(T *newValue) Atomic fetch-and-store. @@ -1489,7 +1550,8 @@ re-ordered after the atomic operation. */ -/*! \fn template <typename T> T *QAtomicPointer<T>::fetchAndStoreOrdered(T *newValue) +/*! + \fn template <typename T> T *QAtomicPointer<T>::fetchAndStoreOrdered(T *newValue) Atomic fetch-and-store. @@ -1502,19 +1564,22 @@ may not be re-ordered. */ -/*! \fn template <typename T> bool QAtomicPointer<T>::isFetchAndAddNative() +/*! + \fn template <typename T> bool QAtomicPointer<T>::isFetchAndAddNative() Returns \c true if fetch-and-add is implemented using atomic processor instructions, false otherwise. */ -/*! \fn template <typename T> bool QAtomicPointer<T>::isFetchAndAddWaitFree() +/*! + \fn template <typename T> bool QAtomicPointer<T>::isFetchAndAddWaitFree() Returns \c true if atomic fetch-and-add is wait-free, false otherwise. */ -/*! \fn template <typename T> T *QAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd) +/*! + \fn template <typename T> T *QAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd) Atomic fetch-and-add. @@ -1526,7 +1591,8 @@ processor to freely reorder memory accesses. */ -/*! \fn template <typename T> T *QAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd) +/*! + \fn template <typename T> T *QAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd) Atomic fetch-and-add. @@ -1539,7 +1605,8 @@ be re-ordered before the atomic operation. */ -/*! \fn template <typename T> T *QAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd) +/*! + \fn template <typename T> T *QAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd) Atomic fetch-and-add. @@ -1552,7 +1619,8 @@ re-ordered after the atomic operation. */ -/*! \fn template <typename T> T *QAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd) +/*! + \fn template <typename T> T *QAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd) Atomic fetch-and-add. diff --git a/src/corelib/thread/qatomic.h b/src/corelib/thread/qatomic.h index a3b9be0729..aa57ddc610 100644 --- a/src/corelib/thread/qatomic.h +++ b/src/corelib/thread/qatomic.h @@ -50,6 +50,10 @@ QT_BEGIN_NAMESPACE QT_WARNING_PUSH QT_WARNING_DISABLE_GCC("-Wextra") +#ifdef Q_CLANG_QDOC +# undef QT_BASIC_ATOMIC_HAS_CONSTRUCTORS +#endif + // High-level atomic integer operations template <typename T> class QAtomicInteger : public QBasicAtomicInteger<T> @@ -194,7 +198,9 @@ public: #ifdef Q_QDOC T *load() const; T *loadAcquire() const; + T *loadRelaxed() const; void store(T *newValue); + void storeRelaxed(T *newValue); void storeRelease(T *newValue); static Q_DECL_CONSTEXPR bool isTestAndSetNative(); |