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Atomics.h
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Atomics.h
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/*
* Copyright (C) 2005-2009 Team XBMC
* http://www.xbmc.org
*
* This Program 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 2, or (at your option)
* any later version.
*
* This Program 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with XBMC; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#ifndef __ATOMICS_H__
#define __ATOMICS_H__
// TODO: Inline these methods
long cas(volatile long *pAddr, long expectedVal, long swapVal);
#if !defined(__ppc__) && !defined(__powerpc__) && !defined(__arm__) && !defined(__sh__)
long long cas2(volatile long long* pAddr, long long expectedVal, long long swapVal);
#endif
long AtomicIncrement(volatile long* pAddr);
long AtomicDecrement(volatile long* pAddr);
long AtomicAdd(volatile long* pAddr, long amount);
long AtomicSubtract(volatile long* pAddr, long amount);
class CAtomicSpinLock
{
public:
CAtomicSpinLock(long& lock);
~CAtomicSpinLock();
private:
long& m_Lock;
};
#endif // __ATOMICS_H__