qgenericatomic.h

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// Copyright (C) 2011 Thiago Macieira <thiago@kde.org>
// Copyright (C) 2016 Intel Corporation.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#ifndef QGENERICATOMIC_H
#define QGENERICATOMIC_H
 
#include <QtCore/qcompilerdetection.h>
#include <QtCore/qtconfigmacros.h>
#include <QtCore/qtypes.h>
 
QT_BEGIN_NAMESPACE
 
#if 0
// silence syncqt warnings
QT_END_NAMESPACE
#pragma qt_sync_skip_header_check
#pragma qt_sync_stop_processing
#endif
 
template<int Size> struct QAtomicOpsSupport
{
    enum { IsSupported = (Size == sizeof(int) || Size == sizeof(qptrdiff)) };
};
 
template <typename T> struct QAtomicAdditiveType
{
    typedef T AdditiveT;
    static const int AddScale = 1;
};
template <typename T> struct QAtomicAdditiveType<T *>
{
    typedef qptrdiff AdditiveT;
    static const int AddScale = sizeof(T);
};
 
QT_END_NAMESPACE
#endif // QGENERICATOMIC_H