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/* Low-level functions for atomic operations.
Copyright (C) 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef _BITS_ATOMICITY_H
#define _BITS_ATOMICITY_H 1
#include <ia64intrin.h>
typedef int _Atomic_word;
static inline _Atomic_word
__attribute__ ((unused))
__exchange_and_add (volatile _Atomic_word *__mem, int __val)
{
return __sync_fetch_and_add (__mem, __val);
}
static inline void
__attribute__ ((__unused__))
__atomic_add (volatile _Atomic_word* __mem, int __val)
{
__sync_fetch_and_add (__mem, __val);
}
static inline int
__attribute__ ((__unused__))
__compare_and_swap (volatile long *__p, long __oldval, long __newval)
{
return __sync_bool_compare_and_swap (__p, __oldval, __newval);
}
#endif /* atomicity.h */
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