52 lines
1.9 KiB
C
52 lines
1.9 KiB
C
|
// Low-level functions for atomic operations: IA64 version -*- C++ -*-
|
||
|
|
|
||
|
|
// Copyright (C) 2000, 2001 Free Software Foundation, Inc.
|
||
|
|
//
|
||
|
|
// This file is part of the GNU ISO C++ Library. This library is free
|
||
|
|
// software; you can redistribute it and/or modify it under the
|
||
|
|
// terms of the GNU General Public License as published by the
|
||
|
|
// Free Software Foundation; either version 2, or (at your option)
|
||
|
|
// any later version.
|
||
|
|
|
||
|
|
// This 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 General Public License for more details.
|
||
|
|
|
||
|
|
// You should have received a copy of the GNU General Public License along
|
||
|
|
// with this library; see the file COPYING. If not, write to the Free
|
||
|
|
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
|
||
|
|
// USA.
|
||
|
|
|
||
|
|
// As a special exception, you may use this file as part of a free software
|
||
|
|
// library without restriction. Specifically, if other files instantiate
|
||
|
|
// templates or use macros or inline functions from this file, or you compile
|
||
|
|
// this file and link it with other files to produce an executable, this
|
||
|
|
// file does not by itself cause the resulting executable to be covered by
|
||
|
|
// the GNU General Public License. This exception does not however
|
||
|
|
// invalidate any other reasons why the executable file might be covered by
|
||
|
|
// the GNU General Public License.
|
||
|
|
|
||
|
|
#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);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* atomicity.h */
|