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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Copyright (C) 2011 Thiago Macieira <thiago@kde.org>
** All rights reserved.
** 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.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QATOMIC_BOOTSTRAP_H
#define QATOMIC_BOOTSTRAP_H
#include <QtCore/qgenericatomic.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
#if 0
#pragma qt_sync_stop_processing
#endif
template<> struct QAtomicIntegerTraits<int> { enum { IsInteger = 1 }; };
template <typename T> struct QAtomicOps: QGenericAtomicOps<QAtomicOps<T> >
{
typedef T Type;
static bool ref(T &_q_value)
{
return ++_q_value != 0;
}
static bool deref(T &_q_value)
{
return --_q_value != 0;
}
static bool testAndSetRelaxed(T &_q_value, T expectedValue, T newValue)
{
if (_q_value == expectedValue) {
_q_value = newValue;
return true;
}
return false;
}
static T fetchAndStoreRelaxed(T &_q_value, T newValue)
{
T tmp = _q_value;
_q_value = newValue;
return tmp;
}
static
T fetchAndAddRelaxed(T &_q_value, typename QAtomicAdditiveType<T>::AdditiveT valueToAdd)
{
T returnValue = _q_value;
_q_value += valueToAdd;
return returnValue;
}
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QATOMIC_BOOTSTRAP_H
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