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authorLiang Qi <liang.qi@qt.io>2020-01-04 15:32:34 +0100
committerLiang Qi <liang.qi@qt.io>2020-01-04 15:32:34 +0100
commita503bf54705d89204007e8f887b668fe5ef519fc (patch)
treeb2d1a452da39450eac78a1aeb1df116a73f64b23 /src/corelib/thread/qatomic.cpp
parente65c43fd0ffa57248e7d750570b7deae171a82f5 (diff)
parent1f87fb359fdff14e42662384a9c8a0bcb3837671 (diff)
Merge remote-tracking branch 'origin/5.15' into dev
Conflicts: src/corelib/tools/qvector.h Make QVector(DataPointer dd) public to be able to properly merge 5b4b437b30b320e2cd7c9a566999a39772e5d431 from 5.15 into dev. src/widgets/kernel/qapplication.cpp tests/auto/tools/moc/allmocs_baseline_in.json Done-With: Christian Ehrlicher <ch.ehrlicher@gmx.de> Change-Id: I929ba7c036d570382d0454c2c75f6f0d96ddbc01
Diffstat (limited to 'src/corelib/thread/qatomic.cpp')
-rw-r--r--src/corelib/thread/qatomic.cpp204
1 files changed, 136 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.