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Diffstat (limited to 'qtinterface/qt4/Qt/qatomic_sh.h')
| -rw-r--r-- | qtinterface/qt4/Qt/qatomic_sh.h | 330 |
1 files changed, 0 insertions, 330 deletions
diff --git a/qtinterface/qt4/Qt/qatomic_sh.h b/qtinterface/qt4/Qt/qatomic_sh.h deleted file mode 100644 index 89c08f3..0000000 --- a/qtinterface/qt4/Qt/qatomic_sh.h +++ /dev/null @@ -1,330 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtCore module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial Usage -** Licensees holding valid Qt Commercial licenses may use this file in -** accordance with the Qt Commercial License Agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and Nokia. -** -** 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, Nokia gives you certain additional -** rights. These rights are described in the Nokia 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. -** -** If you have questions regarding the use of this file, please contact -** Nokia at qt-info@nokia.com. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QATOMIC_SH_H -#define QATOMIC_SH_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; } - -extern Q_CORE_EXPORT volatile char qt_atomic_lock; -Q_CORE_EXPORT void qt_atomic_yield(int *count); - -inline int qt_atomic_tasb(volatile char *ptr) -{ - register int ret; - asm volatile("tas.b @%2\n" - "movt %0" - : "=&r"(ret), "=m"(*ptr) - : "r"(ptr) - : "cc", "memory"); - return ret; -} - -// Reference counting - -inline bool QBasicAtomicInt::ref() -{ - int count = 0; - while (qt_atomic_tasb(&qt_atomic_lock) == 0) - qt_atomic_yield(&count); - int originalValue = _q_value++; - qt_atomic_lock = 0; - return originalValue != -1; -} - -inline bool QBasicAtomicInt::deref() -{ - int count = 0; - while (qt_atomic_tasb(&qt_atomic_lock) == 0) - qt_atomic_yield(&count); - int originalValue = _q_value--; - qt_atomic_lock = 0; - return originalValue != 1; -} - -// Test and set for integers - -inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue) -{ - bool returnValue = false; - int count = 0; - while (qt_atomic_tasb(&qt_atomic_lock) == 0) - qt_atomic_yield(&count); - if (_q_value == expectedValue) { - _q_value = newValue; - returnValue = true; - } - qt_atomic_lock = 0; - return returnValue; -} - -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) -{ - int count = 0; - while (qt_atomic_tasb(&qt_atomic_lock) == 0) - qt_atomic_yield(&count); - int originalValue = _q_value; - _q_value = newValue; - qt_atomic_lock = 0; - return originalValue; -} - -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) -{ - int count = 0; - while (qt_atomic_tasb(&qt_atomic_lock) == 0) - qt_atomic_yield(&count); - int originalValue = _q_value; - _q_value += valueToAdd; - qt_atomic_lock = 0; - 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); -} - -// Test and set for pointers - -template <typename T> -Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue) -{ - bool returnValue = false; - int count = 0; - while (qt_atomic_tasb(&qt_atomic_lock) == 0) - qt_atomic_yield(&count); - if (_q_value == expectedValue) { - _q_value = newValue; - returnValue = true; - } - qt_atomic_lock = 0; - return returnValue; -} - -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) -{ - int count = 0; - while (qt_atomic_tasb(&qt_atomic_lock) == 0) - qt_atomic_yield(&count); - T *originalValue = _q_value; - _q_value = newValue; - qt_atomic_lock = 0; - return originalValue; -} - -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) -{ - int count = 0; - while (qt_atomic_tasb(&qt_atomic_lock) == 0) - qt_atomic_yield(&count); - T *originalValue = (_q_value); - _q_value += valueToAdd; - qt_atomic_lock = 0; - return originalValue; -} - -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_SH_H |