/* Low-level functions for atomic operations. IA-64 version. Copyright (C) 2001 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 _ATOMICITY_H #define _ATOMICITY_H 1 #include #include static inline uint32_t __attribute__ ((unused)) exchange_and_add (volatile uint32_t *mem, uint32_t val) { return __sync_fetch_and_add (mem, val); } static inline void __attribute__ ((unused)) atomic_add (volatile uint32_t *mem, int val) { __sync_fetch_and_add (mem, val); } static inline int __attribute__ ((unused)) compare_and_swap (volatile long int *p, long int oldval, long int newval) { return __sync_bool_compare_and_swap (p, oldval, newval); } #endif /* atomicity.h */