atomic/atomic_sparc.h
d307929c
 /* 
  * $Id$
  * 
  * Copyright (C) 2006 iptelorg GmbH
  *
  * This file is part of ser, a free SIP server.
  *
  * ser 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 of the License, or
  * (at your option) any later version
  *
  * For a license to use the ser software under conditions
  * other than those described here, or to purchase support for this
  * software, please contact iptel.org by e-mail at the following addresses:
  *    info@iptel.org
  *
  * ser 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 program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 /*
  *  memory barriers for sparc32 ( version < v 9))
  *  see atomic_ops.h for more details 
  *
  * Config defines: NOSMP
  */
 /* 
  * History:
  * --------
  *  2006-03-28  created by andrei
  */
 
 
 #ifndef _atomic_sparc_h
 #define _atomic_sparc_h
 
 #define HAVE_ASM_INLINE_MEMBAR
 
 
 #warning "sparc32 atomic operations support not tested"
 
 #ifdef NOSMP
 #define membar() asm volatile ("" : : : "memory") /* gcc do not cache barrier*/
 #define membar_read()  membar()
 #define membar_write() membar()
 #else /* SMP */
 #define membar_write() asm volatile ("stbar \n\t" : : : "memory") 
 #define membar() membar_write()
 #define membar_read() asm volatile ("" : : : "memory") 
 #endif /* NOSMP */
 
 
 
 #endif