ResInsight/Fwk/VizFwk/LibCore/cvfAtomicCounter.h
2014-04-15 11:50:04 +02:00

92 lines
2.6 KiB
C++

//##################################################################################################
//
// Custom Visualization Core library
// Copyright (C) 2014 Ceetron Solutions AS
//
// This library may be used under the terms of either the GNU General Public License or
// the GNU Lesser General Public License as follows:
//
// GNU General Public License Usage
// This library is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.
//
// See the GNU General Public License at <<http://www.gnu.org/licenses/gpl.html>>
// for more details.
//
// GNU Lesser General Public License Usage
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation; either version 2.1 of the License, or
// (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.
//
// See the GNU Lesser General Public License at <<http://www.gnu.org/licenses/lgpl-2.1.html>>
// for more details.
//
//##################################################################################################
#pragma once
#include "cvfBase.h"
#ifdef WIN32
#define CVF_ATOMIC_COUNTER_CLASS_EXISTS
#elif defined(CVF_IOS) || defined(CVF_OSX)
#include <libkern/OSAtomic.h>
#define CVF_ATOMIC_COUNTER_CLASS_EXISTS
#elif defined __GNUC__
#define CVF_GCC_DEFINED
#define CVF_ATOMIC_COUNTER_CLASS_EXISTS
#endif
#if defined(CVF_ATOMIC_COUNTER_CLASS_EXISTS)
namespace cvf {
// Inspired by Poco
class AtomicCounter
{
public:
explicit AtomicCounter(int initialValue);
~AtomicCounter();
operator int () const;
int operator ++ (); // prefix
int operator ++ (int); // postfix
int operator -- (); // prefix
int operator -- (int); // postfix
private:
CVF_DISABLE_COPY_AND_ASSIGN(AtomicCounter);
#ifdef WIN32
typedef volatile long ImplType;
#elif defined(CVF_IOS) || defined(CVF_OSX)
typedef int32_t ImplType;
#else
typedef int ImplType;
#endif
ImplType m_counter;
};
} // namespace cvf
#endif