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For further information ** use the contact form at http://qt.digia.com/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 2.1 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 2.1 requirements ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Digia gives you certain additional ** rights. These rights are described in the Digia Qt LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 3.0 as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU General Public License version 3.0 requirements will be ** met: http://www.gnu.org/copyleft/gpl.html. ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #ifndef QATOMIC_SPARC_H #define QATOMIC_SPARC_H #include QT_BEGIN_NAMESPACE #if 0 // silence syncqt warnings QT_END_NAMESPACE QT_END_HEADER #pragma qt_sync_skip_header_check #pragma qt_sync_stop_processing #endif #if defined(_LP64) #define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_ALWAYS_NATIVE inline bool QBasicAtomicInt::isReferenceCountingNative() { return true; } inline bool QBasicAtomicInt::isReferenceCountingWaitFree() { return false; } #define Q_ATOMIC_INT_TEST_AND_SET_IS_ALWAYS_NATIVE #define Q_ATOMIC_INT_TEST_AND_SET_IS_WAIT_FREE inline bool QBasicAtomicInt::isTestAndSetNative() { return true; } inline bool QBasicAtomicInt::isTestAndSetWaitFree() { return true; } #define Q_ATOMIC_INT_FETCH_AND_STORE_IS_ALWAYS_NATIVE #define Q_ATOMIC_INT_FETCH_AND_STORE_IS_WAIT_FREE inline bool QBasicAtomicInt::isFetchAndStoreNative() { return true; } inline bool QBasicAtomicInt::isFetchAndStoreWaitFree() { return true; } #define Q_ATOMIC_INT_FETCH_AND_ADD_IS_ALWAYS_NATIVE inline bool QBasicAtomicInt::isFetchAndAddNative() { return true; } inline bool QBasicAtomicInt::isFetchAndAddWaitFree() { return false; } #define Q_ATOMIC_POINTER_TEST_AND_SET_IS_ALWAYS_NATIVE #define Q_ATOMIC_POINTER_TEST_AND_SET_IS_WAIT_FREE template Q_INLINE_TEMPLATE bool QBasicAtomicPointer::isTestAndSetNative() { return true; } template Q_INLINE_TEMPLATE bool QBasicAtomicPointer::isTestAndSetWaitFree() { return true; } #define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_ALWAYS_NATIVE #define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_WAIT_FREE template Q_INLINE_TEMPLATE bool QBasicAtomicPointer::isFetchAndStoreNative() { return true; } template Q_INLINE_TEMPLATE bool QBasicAtomicPointer::isFetchAndStoreWaitFree() { return true; } #define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_ALWAYS_NATIVE template Q_INLINE_TEMPLATE bool QBasicAtomicPointer::isFetchAndAddNative() { return true; } template Q_INLINE_TEMPLATE bool QBasicAtomicPointer::isFetchAndAddWaitFree() { return false; } extern "C" { Q_CORE_EXPORT int q_atomic_increment(volatile int *ptr); Q_CORE_EXPORT int q_atomic_decrement(volatile int *ptr); Q_CORE_EXPORT int q_atomic_test_and_set_int(volatile int *ptr, int expected, int newval); Q_CORE_EXPORT int q_atomic_test_and_set_acquire_int(volatile int *ptr, int expected, int newval); Q_CORE_EXPORT int q_atomic_test_and_set_release_int(volatile int *ptr, int expected, int newval); Q_CORE_EXPORT int q_atomic_set_int(volatile int *ptr, int newval); Q_CORE_EXPORT int q_atomic_fetch_and_store_acquire_int(volatile int *ptr, int newval); Q_CORE_EXPORT int q_atomic_fetch_and_store_release_int(volatile int *ptr, int newval); Q_CORE_EXPORT int q_atomic_fetch_and_add_int(volatile int *ptr, int value); Q_CORE_EXPORT int q_atomic_fetch_and_add_acquire_int(volatile int *ptr, int value); Q_CORE_EXPORT int q_atomic_fetch_and_add_release_int(volatile int *ptr, int value); Q_CORE_EXPORT int q_atomic_test_and_set_ptr(volatile void *ptr, const void *expected, const void *newval); Q_CORE_EXPORT int q_atomic_test_and_set_acquire_ptr(volatile void *ptr, const void *expected, const void *newval); Q_CORE_EXPORT int q_atomic_test_and_set_release_ptr(volatile void *ptr, const void *expected, const void *newval); Q_CORE_EXPORT void *q_atomic_set_ptr(volatile void *ptr, const void *newval); Q_CORE_EXPORT void *q_atomic_fetch_and_store_acquire_ptr(volatile void *ptr, const void *newval); Q_CORE_EXPORT void *q_atomic_fetch_and_store_release_ptr(volatile void *ptr, const void *newval); Q_CORE_EXPORT void *q_atomic_fetch_and_add_ptr(volatile void *ptr, int value); Q_CORE_EXPORT void *q_atomic_fetch_and_add_acquire_ptr(volatile void *ptr, int value); Q_CORE_EXPORT void *q_atomic_fetch_and_add_release_ptr(volatile void *ptr, int value); } inline bool QBasicAtomicInt::ref() { return fetchAndAddRelaxed(1) != -1; } inline bool QBasicAtomicInt::deref() { return fetchAndAddRelaxed(-1) != 1; } inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue) { return q_atomic_test_and_set_int(&_q_value, expectedValue, newValue) != 0; } inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue) { return q_atomic_test_and_set_acquire_int(&_q_value, expectedValue, newValue) != 0; } inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue) { return q_atomic_test_and_set_release_int(&_q_value, expectedValue, newValue) != 0; } inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue) { return q_atomic_test_and_set_acquire_int(&_q_value, expectedValue, newValue) != 0; } inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue) { return q_atomic_set_int(&_q_value, newValue); } inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue) { return q_atomic_fetch_and_store_acquire_int(&_q_value, newValue); } inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue) { return q_atomic_fetch_and_store_release_int(&_q_value, newValue); } inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue) { return q_atomic_fetch_and_store_acquire_int(&_q_value, newValue); } inline int QBasicAtomicInt::fetchAndAddRelaxed(int newValue) { return q_atomic_fetch_and_add_int(&_q_value, newValue); } inline int QBasicAtomicInt::fetchAndAddAcquire(int newValue) { return q_atomic_fetch_and_add_acquire_int(&_q_value, newValue); } inline int QBasicAtomicInt::fetchAndAddRelease(int newValue) { return q_atomic_fetch_and_add_release_int(&_q_value, newValue); } inline int QBasicAtomicInt::fetchAndAddOrdered(int newValue) { return q_atomic_fetch_and_add_acquire_int(&_q_value, newValue); } template Q_INLINE_TEMPLATE bool QBasicAtomicPointer::testAndSetRelaxed(T *expectedValue, T *newValue) { return q_atomic_test_and_set_ptr(&_q_value, expectedValue, newValue) != 0; } template Q_INLINE_TEMPLATE bool QBasicAtomicPointer::testAndSetAcquire(T *expectedValue, T *newValue) { return q_atomic_test_and_set_acquire_ptr(&_q_value, expectedValue, newValue) != 0; } template Q_INLINE_TEMPLATE bool QBasicAtomicPointer::testAndSetRelease(T *expectedValue, T *newValue) { return q_atomic_test_and_set_release_ptr(&_q_value, expectedValue, newValue) != 0; } template Q_INLINE_TEMPLATE bool QBasicAtomicPointer::testAndSetOrdered(T *expectedValue, T *newValue) { return q_atomic_test_and_set_acquire_ptr(&_q_value, expectedValue, newValue) != 0; } template Q_INLINE_TEMPLATE T *QBasicAtomicPointer::fetchAndStoreRelaxed(T *newValue) { return reinterpret_cast(q_atomic_set_ptr(&_q_value, newValue)); } template Q_INLINE_TEMPLATE T *QBasicAtomicPointer::fetchAndStoreAcquire(T *newValue) { return reinterpret_cast(q_atomic_fetch_and_store_acquire_ptr(&_q_value, newValue)); } template Q_INLINE_TEMPLATE T *QBasicAtomicPointer::fetchAndStoreRelease(T *newValue) { return reinterpret_cast(q_atomic_fetch_and_store_release_ptr(&_q_value, newValue)); } template Q_INLINE_TEMPLATE T *QBasicAtomicPointer::fetchAndStoreOrdered(T *newValue) { return reinterpret_cast(q_atomic_fetch_and_store_acquire_ptr(&_q_value, newValue)); } template Q_INLINE_TEMPLATE T *QBasicAtomicPointer::fetchAndAddRelaxed(qptrdiff valueToAdd) { return reinterpret_cast(q_atomic_fetch_and_add_ptr(&_q_value, valueToAdd * sizeof(T))); } template Q_INLINE_TEMPLATE T *QBasicAtomicPointer::fetchAndAddAcquire(qptrdiff valueToAdd) { return reinterpret_cast(q_atomic_fetch_and_add_acquire_ptr(&_q_value, valueToAdd * sizeof(T))); } template Q_INLINE_TEMPLATE T *QBasicAtomicPointer::fetchAndAddRelease(qptrdiff valueToAdd) { return reinterpret_cast(q_atomic_fetch_and_add_release_ptr(&_q_value, valueToAdd * sizeof(T))); } template Q_INLINE_TEMPLATE T *QBasicAtomicPointer::fetchAndAddOrdered(qptrdiff valueToAdd) { return reinterpret_cast(q_atomic_fetch_and_add_acquire_ptr(&_q_value, valueToAdd * sizeof(T))); } #else #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_ALWAYS_NATIVE #define Q_ATOMIC_INT_FETCH_AND_STORE_IS_WAIT_FREE inline bool QBasicAtomicInt::isFetchAndStoreNative() { return true; } inline bool QBasicAtomicInt::isFetchAndStoreWaitFree() { return true; } #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 Q_INLINE_TEMPLATE bool QBasicAtomicPointer::isTestAndSetNative() { return false; } template Q_INLINE_TEMPLATE bool QBasicAtomicPointer::isTestAndSetWaitFree() { return false; } #define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_ALWAYS_NATIVE #define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_WAIT_FREE template Q_INLINE_TEMPLATE bool QBasicAtomicPointer::isFetchAndStoreNative() { return true; } template Q_INLINE_TEMPLATE bool QBasicAtomicPointer::isFetchAndStoreWaitFree() { return true; } #define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_NOT_NATIVE template Q_INLINE_TEMPLATE bool QBasicAtomicPointer::isFetchAndAddNative() { return false; } template Q_INLINE_TEMPLATE bool QBasicAtomicPointer::isFetchAndAddWaitFree() { return false; } extern "C" { Q_CORE_EXPORT int q_atomic_lock_int(volatile int *addr); Q_CORE_EXPORT int q_atomic_lock_ptr(volatile void *addr); Q_CORE_EXPORT void q_atomic_unlock(volatile void *addr, int value); Q_CORE_EXPORT int q_atomic_set_int(volatile int *ptr, int newval); Q_CORE_EXPORT void *q_atomic_set_ptr(volatile void *ptr, void *newval); } // extern "C" inline bool QBasicAtomicInt::ref() { const int val = q_atomic_lock_int(&_q_value); q_atomic_unlock(&_q_value, val + 1); return val != -1; } inline bool QBasicAtomicInt::deref() { const int val = q_atomic_lock_int(&_q_value); q_atomic_unlock(&_q_value, val - 1); return val != 1; } inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue) { int val = q_atomic_lock_int(&_q_value); if (val == expectedValue) { q_atomic_unlock(&_q_value, newValue); return true; } q_atomic_unlock(&_q_value, val); return false; } 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); } inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue) { return q_atomic_set_int(&_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); } inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd) { const int originalValue = q_atomic_lock_int(&_q_value); q_atomic_unlock(&_q_value, originalValue + valueToAdd); return originalValue; } 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); } template Q_INLINE_TEMPLATE bool QBasicAtomicPointer::testAndSetOrdered(T *expectedValue, T *newValue) { T *val = reinterpret_cast(q_atomic_lock_ptr(&_q_value)); if (val == expectedValue) { q_atomic_unlock(&_q_value, reinterpret_cast(newValue)); return true; } q_atomic_unlock(&_q_value, reinterpret_cast(val)); return false; } template Q_INLINE_TEMPLATE bool QBasicAtomicPointer::testAndSetRelaxed(T *expectedValue, T *newValue) { return testAndSetOrdered(expectedValue, newValue); } template Q_INLINE_TEMPLATE bool QBasicAtomicPointer::testAndSetAcquire(T *expectedValue, T *newValue) { return testAndSetOrdered(expectedValue, newValue); } template Q_INLINE_TEMPLATE bool QBasicAtomicPointer::testAndSetRelease(T *expectedValue, T *newValue) { return testAndSetOrdered(expectedValue, newValue); } template Q_INLINE_TEMPLATE T *QBasicAtomicPointer::fetchAndStoreOrdered(T *newValue) { return reinterpret_cast(q_atomic_set_ptr(&_q_value, newValue)); } template Q_INLINE_TEMPLATE T *QBasicAtomicPointer::fetchAndStoreRelaxed(T *newValue) { return fetchAndStoreOrdered(newValue); } template Q_INLINE_TEMPLATE T *QBasicAtomicPointer::fetchAndStoreAcquire(T *newValue) { return fetchAndStoreOrdered(newValue); } template Q_INLINE_TEMPLATE T *QBasicAtomicPointer::fetchAndStoreRelease(T *newValue) { return fetchAndStoreOrdered(newValue); } template Q_INLINE_TEMPLATE T *QBasicAtomicPointer::fetchAndAddOrdered(qptrdiff valueToAdd) { T *originalValue = reinterpret_cast(q_atomic_lock_ptr(&_q_value)); q_atomic_unlock(&_q_value, int(originalValue + valueToAdd)); return originalValue; } template Q_INLINE_TEMPLATE T *QBasicAtomicPointer::fetchAndAddRelaxed(qptrdiff valueToAdd) { return fetchAndAddOrdered(valueToAdd); } template Q_INLINE_TEMPLATE T *QBasicAtomicPointer::fetchAndAddAcquire(qptrdiff valueToAdd) { return fetchAndAddOrdered(valueToAdd); } template Q_INLINE_TEMPLATE T *QBasicAtomicPointer::fetchAndAddRelease(qptrdiff valueToAdd) { return fetchAndAddOrdered(valueToAdd); } #endif // _LP64 QT_END_NAMESPACE #endif // QATOMIC_SPARC_H