/***************************************************************************************************
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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