76 lines
2.0 KiB
C++
76 lines
2.0 KiB
C++
/**
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* Copyright (C) 2005-2012 Gekko Emulator
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*
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* @file atomic_win32.h
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* @author ShizZy <shizzy247@gmail.com>
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* @date 2012-06-28
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* @brief Cross-platform atomic operations - Windows/Visual C++
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* @remark Taken from Dolphin Emulator (http://code.google.com/p/dolphin-emu/)
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*
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* @section LICENSE
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details at
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* http://www.gnu.org/copyleft/gpl.html
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*
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* Official project repository can be found at:
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* http://code.google.com/p/gekko-gc-emu/
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*/
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#ifndef COMMON_ATOMIC_WIN32_H_
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#define COMMON_ATOMIC_WIN32_H_
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#include "types.h"
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#include <intrin.h>
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#include <Windows.h>
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namespace common {
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inline void AtomicAdd(volatile u32& target, u32 value) {
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InterlockedExchangeAdd((volatile LONG*)&target, (LONG)value);
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}
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inline void AtomicAnd(volatile u32& target, u32 value) {
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_InterlockedAnd((volatile LONG*)&target, (LONG)value);
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}
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inline void AtomicIncrement(volatile u32& target) {
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InterlockedIncrement((volatile LONG*)&target);
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}
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inline void AtomicDecrement(volatile u32& target) {
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InterlockedDecrement((volatile LONG*)&target);
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}
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inline u32 AtomicLoad(volatile u32& src) {
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return src;
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}
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inline u32 AtomicLoadAcquire(volatile u32& src) {
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u32 result = src;
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_ReadBarrier();
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return result;
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}
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inline void AtomicOr(volatile u32& target, u32 value) {
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_InterlockedOr((volatile LONG*)&target, (LONG)value);
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}
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inline void AtomicStore(volatile u32& dest, u32 value) {
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dest = value;
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}
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inline void AtomicStoreRelease(volatile u32& dest, u32 value) {
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_WriteBarrier();
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dest = value;
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}
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} // namespace
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#endif // COMMON_ATOMIC_WIN32_H_
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