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/***************************************************************************************************
Zyan Core Library (Zyan-C)
Original Author : Florian Bernd
* 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 ZYCORE_ATOMIC_GNU_H
#define ZYCORE_ATOMIC_GNU_H
#ifdef __cplusplus
extern "C" {
#endif
#include "zydis/Zycore/Defines.h"
#include "zydis/Zycore/Types.h"
/* ============================================================================================== */
/* Functions */
/* ============================================================================================== */
#if defined(ZYAN_CLANG) || defined(ZYAN_GCC) || defined(ZYAN_ICC)
/* ---------------------------------------------------------------------------------------------- */
/* Pointer sized */
/* ---------------------------------------------------------------------------------------------- */
ZYAN_INLINE ZyanUPointer ZyanAtomicCompareExchange(ZyanAtomicPointer* destination,
ZyanUPointer comparand, ZyanUPointer value)
{
return (ZyanUPointer)(__sync_val_compare_and_swap(
&destination->value, (void*)comparand, (void*)value, &destination->value));
}
ZYAN_INLINE ZyanUPointer ZyanAtomicIncrement(ZyanAtomicPointer* destination)
{
return (ZyanUPointer)(__sync_fetch_and_add(&destination->value, (void*)1,
&destination->value)) + 1;
}
ZYAN_INLINE ZyanUPointer ZyanAtomicDecrement(ZyanAtomicPointer* destination)
{
return (ZyanUPointer)(__sync_sub_and_fetch(&destination->value, (void*)1, &destination->value));
}
/* ---------------------------------------------------------------------------------------------- */
/* 32-bit */
/* ---------------------------------------------------------------------------------------------- */
ZYAN_INLINE ZyanU32 ZyanAtomicCompareExchange32(ZyanAtomic32* destination,
ZyanU32 comparand, ZyanU32 value)
{
return (ZyanU32)(__sync_val_compare_and_swap(&destination->value, comparand, value,
&destination->value));
}
ZYAN_INLINE ZyanU32 ZyanAtomicIncrement32(ZyanAtomic32* destination)
{
return (ZyanU32)(__sync_fetch_and_add(&destination->value, 1, &destination->value)) + 1;
}
ZYAN_INLINE ZyanU32 ZyanAtomicDecrement32(ZyanAtomic32* destination)
{
return (ZyanU32)(__sync_sub_and_fetch(&destination->value, 1, &destination->value));
}
/* ---------------------------------------------------------------------------------------------- */
/* 64-bit */
/* ---------------------------------------------------------------------------------------------- */
ZYAN_INLINE ZyanU64 ZyanAtomicCompareExchange64(ZyanAtomic64* destination,
ZyanU64 comparand, ZyanU64 value)
{
return (ZyanU64)(__sync_val_compare_and_swap(&destination->value, comparand, value,
&destination->value));
}
ZYAN_INLINE ZyanU64 ZyanAtomicIncrement64(ZyanAtomic64* destination)
{
return (ZyanU64)(__sync_fetch_and_add(&destination->value, 1, &destination->value)) + 1;
}
ZYAN_INLINE ZyanU64 ZyanAtomicDecrement64(ZyanAtomic64* destination)
{
return (ZyanU64)(__sync_sub_and_fetch(&destination->value, 1, &destination->value));
}
/* ---------------------------------------------------------------------------------------------- */
#endif
/* ============================================================================================== */
#ifdef __cplusplus
}
#endif
#endif /* ZYCORE_ATOMIC_GNU_H */
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