mirror of https://gitea.it/1414codeforge/ubgpsuite
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
137 lines
3.9 KiB
C
137 lines
3.9 KiB
C
// SPDX-License-Identifier: LGPL-3.0-or-later
|
|
|
|
/**
|
|
* \file sys/interlocked.h
|
|
*
|
|
* Lock-free atomic operations on integers and pointers.
|
|
*
|
|
* \copyright The DoubleFourteen Code Forge (c) All Rights Reserved
|
|
* \author Lorenzo Cogotti
|
|
*/
|
|
|
|
#ifndef DF_SYS_INTERLOCKED_H_
|
|
#define DF_SYS_INTERLOCKED_H_
|
|
|
|
#include "xpt.h"
|
|
|
|
/**
|
|
* \fn void Smp_AtomicStore(long *p, long v)
|
|
* \fn void Smp_AtomicStoreRx(long *p, long v)
|
|
* \fn void Smp_AtomicStoreRel(long *p, long v)
|
|
* \fn void Smp_AtomicStorePtr(void **p, void *v)
|
|
* \fn void Smp_AtomicStorePtrRx(void **p, void *v)
|
|
* \fn void Smp_AtomicStorePtrRel(void **p, void *v)
|
|
* \fn void Smp_AtomicStore8(Sint8 *p, Sint8 v)
|
|
* \fn void Smp_AtomicStore8Rx(Sint8 *p, Sint8 v)
|
|
* \fn void Smp_AtomicStore8Rel(Sint8 *p, Sint8 v)
|
|
* \fn void Smp_AtomicStore16(Sint16 *p, Sint16 v)
|
|
* \fn void Smp_AtomicStore16Rx(Sint16 *p, Sint16 v)
|
|
* \fn void Smp_AtomicStore16Rel(Sint16 *p, Sint16 v)
|
|
* \fn void Smp_AtomicStore32(Sint32 *p, Sint32 v)
|
|
* \fn void Smp_AtomicStore32Rx(Sint32 *p, Sint32 v)
|
|
* \fn void Smp_AtomicStore32Rel(Sint32 *p, Sint32 v)
|
|
* \fn void Smp_AtomicStore64(Sint64 *p, Sint64 v)
|
|
* \fn void Smp_AtomicStore64Rx(Sint64 *p, Sint64 v)
|
|
* \fn void Smp_AtomicStore64Rel(Sint64 *p, Sint64 v)
|
|
*
|
|
* Atomic store operation to a variable or pointer.
|
|
*
|
|
* \note Only a subset of the fixed-size variants may be available on
|
|
* specific architectures.
|
|
*/
|
|
|
|
#ifdef _MSC_VER
|
|
|
|
#include "interlocked_intrin_msvc.h"
|
|
#include "interlocked_ops_msvc.h"
|
|
|
|
#else
|
|
|
|
#if __GCC_ATOMIC_LONG_LOCK_FREE != 2
|
|
#error "interlocked.h requires lock-free atomics on long!"
|
|
#endif
|
|
#if __GCC_ATOMIC_POINTER_LOCK_FREE != 2
|
|
#error "interlocked.h requires lock-free atomics on void *!"
|
|
#endif
|
|
|
|
/******************************************************************************
|
|
* ATOMICS ON FIXED SIZE INTEGERS *
|
|
******************************************************************************/
|
|
|
|
#if __GCC_ATOMIC_CHAR_LOCK_FREE == 2
|
|
|
|
#define INTERLOCKED_INT8
|
|
|
|
#define INTERLOCKED_TYPE Sint8
|
|
#define INTERLOCKED_SUFFIX 8
|
|
#include "interlocked_ops_gcc.h"
|
|
#undef INTERLOCKED_TYPE
|
|
#undef INTERLOCKED_SUFFIX
|
|
|
|
#endif /* INTERLOCKED_INT8 */
|
|
|
|
#if (__SIZEOF_SHORT__ == 2 && __GCC_ATOMIC_SHORT_LOCK_FREE == 2) || \
|
|
(__SIZEOF_INT__ == 2 && __GCC_ATOMIC_INT_LOCK_FREE == 2)
|
|
|
|
#define INTERLOCKED_INT16
|
|
|
|
#define INTERLOCKED_TYPE Sint16
|
|
#define INTERLOCKED_SUFFIX 16
|
|
#include "interlocked_ops_gcc.h"
|
|
#undef INTERLOCKED_TYPE
|
|
#undef INTERLOCKED_SUFFIX
|
|
|
|
#endif /* INTERLOCKED_INT16 */
|
|
|
|
#if (__SIZEOF_INT__ == 4 && __GCC_ATOMIC_INT_LOCK_FREE == 2) || \
|
|
(__SIZEOF_LONG__ == 4)
|
|
|
|
#define INTERLOCKED_INT32
|
|
|
|
#define INTERLOCKED_TYPE Sint32
|
|
#define INTERLOCKED_SUFFIX 32
|
|
#include "interlocked_ops_gcc.h"
|
|
#undef INTERLOCKED_TYPE
|
|
#undef INTERLOCKED_SUFFIX
|
|
|
|
#endif /* INTERLOCKED_INT32 */
|
|
|
|
#if (__SIZEOF_LONG_LONG__ == 8 && __GCC_ATOMIC_LONG_LONG_LOCK_FREE == 2) || \
|
|
(__SIZEOF_LONG__ == 8)
|
|
|
|
#define INTERLOCKED_INT64
|
|
|
|
#define INTERLOCKED_TYPE Sint64
|
|
#define INTERLOCKED_SUFFIX 64
|
|
#include "interlocked_ops_gcc.h"
|
|
#undef INTERLOCKED_TYPE
|
|
#undef INTERLOCKED_SUFFIX
|
|
|
|
#endif /* INTERLOCKED_INT64 */
|
|
|
|
/******************************************************************************
|
|
* ATOMICS ON LONG INTEGERS *
|
|
******************************************************************************/
|
|
|
|
#define INTERLOCKED_TYPE long
|
|
#define INTERLOCKED_SUFFIX
|
|
#include "interlocked_ops_gcc.h"
|
|
#undef INTERLOCKED_TYPE
|
|
#undef INTERLOCKED_SUFFIX
|
|
|
|
/******************************************************************************
|
|
* ATOMICS ON POINTERS *
|
|
******************************************************************************/
|
|
|
|
#define INTERLOCKED_TYPE void *
|
|
#define INTERLOCKED_SUFFIX Ptr
|
|
#define INTERLOCKED_NO_ARIT
|
|
#include "interlocked_ops_gcc.h"
|
|
#undef INTERLOCKED_TYPE
|
|
#undef INTERLOCKED_SUFFIX
|
|
#undef INTERLOCKED_NO_ARIT
|
|
|
|
#endif
|
|
|
|
#endif
|