diff options
Diffstat (limited to 'src/corelib/arch/generic/qatomic_generic_windows.cpp')
-rw-r--r-- | src/corelib/arch/generic/qatomic_generic_windows.cpp | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/src/corelib/arch/generic/qatomic_generic_windows.cpp b/src/corelib/arch/generic/qatomic_generic_windows.cpp deleted file mode 100644 index dafc8133b2..0000000000 --- a/src/corelib/arch/generic/qatomic_generic_windows.cpp +++ /dev/null @@ -1,131 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/ -** -** This file is part of the QtCore module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** 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. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qplatformdefs.h" - -#include <QtCore/qatomic.h> - - -class QCriticalSection -{ -public: - QCriticalSection() { InitializeCriticalSection(§ion); } - ~QCriticalSection() { DeleteCriticalSection(§ion); } - void lock() { EnterCriticalSection(§ion); } - void unlock() { LeaveCriticalSection(§ion); } - -private: - CRITICAL_SECTION section; -}; - -static QCriticalSection qAtomicCriticalSection; - -Q_CORE_EXPORT -bool QBasicAtomicInt_testAndSetOrdered(volatile int *_q_value, int expectedValue, int newValue) -{ - bool returnValue = false; - qAtomicCriticalSection.lock(); - if (*_q_value == expectedValue) { - *_q_value = newValue; - returnValue = true; - } - qAtomicCriticalSection.unlock(); - return returnValue; -} - -Q_CORE_EXPORT -int QBasicAtomicInt_fetchAndStoreOrdered(volatile int *_q_value, int newValue) -{ - int returnValue; - qAtomicCriticalSection.lock(); - returnValue = *_q_value; - *_q_value = newValue; - qAtomicCriticalSection.unlock(); - return returnValue; -} - -Q_CORE_EXPORT -int QBasicAtomicInt_fetchAndAddOrdered(volatile int *_q_value, int valueToAdd) -{ - int returnValue; - qAtomicCriticalSection.lock(); - returnValue = *_q_value; - *_q_value += valueToAdd; - qAtomicCriticalSection.unlock(); - return returnValue; -} - -Q_CORE_EXPORT -bool QBasicAtomicPointer_testAndSetOrdered(void * volatile *_q_value, - void *expectedValue, - void *newValue) -{ - bool returnValue = false; - qAtomicCriticalSection.lock(); - if (*_q_value == expectedValue) { - *_q_value = newValue; - returnValue = true; - } - qAtomicCriticalSection.unlock(); - return returnValue; -} - -Q_CORE_EXPORT -void *QBasicAtomicPointer_fetchAndStoreOrdered(void * volatile *_q_value, void *newValue) -{ - void *returnValue; - qAtomicCriticalSection.lock(); - returnValue = *_q_value; - *_q_value = newValue; - qAtomicCriticalSection.unlock(); - return returnValue; -} - -Q_CORE_EXPORT -void *QBasicAtomicPointer_fetchAndAddOrdered(void * volatile *_q_value, qptrdiff valueToAdd) -{ - void *returnValue; - qAtomicCriticalSection.lock(); - returnValue = *_q_value; - *_q_value = reinterpret_cast<char *>(returnValue) + valueToAdd; - qAtomicCriticalSection.unlock(); - return returnValue; -} |