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/*
* The MIT License (MIT)
*
* Copyright © 2015-2016 Franklin "Snaipe" Mathieu <http://snai.pe/>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef ATOMIC_H_
#define ATOMIC_H_
#include <stdint.h>
#ifdef __GNUC__
# define cri_atomic_add(Val, Add) __sync_fetch_and_add(&(Val), (Add))
#else
# define cri_atomic_add(Val, Add) cri_atomic_add_impl((uintptr_t *) &(Val), (Add))
# if defined (_WIN32)
# include <windows.h>
# endif
static inline uintptr_t cri_atomic_add_impl(uintptr_t *val, uintptr_t add)
{
# if defined (_WIN64)
return InterlockedExchangeAdd64(val, add);
# elif defined (_WIN32)
return InterlockedExchangeAdd(val, add);
# else
# error Atomics are not supported on your system
# endif
}
#endif
#endif /* !ATOMIC_H_ */
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