Return to membar_ops_nop.c CVS log

Up to [cvs.NetBSD.org] / src / common / lib / libc / atomic

Annotation of src/common/lib/libc/atomic/membar_ops_nop.c, Revision 1.3

1.3     ! ad          1: /*     $NetBSD: membar_ops_nop.c,v 1.2 2007/11/28 16:55:12 ad Exp $    */
1.2       ad          2:
                      3: /*-
                      4:  * Copyright (c) 2007 The NetBSD Foundation, Inc.
                      5:  * All rights reserved.
                      6:  *
                      7:  * This code is derived from software contributed to The NetBSD Foundation
                      8:  * by Jason R. Thorpe.
                      9:  *
                     10:  * Redistribution and use in source and binary forms, with or without
                     11:  * modification, are permitted provided that the following conditions
                     12:  * are met:
                     13:  * 1. Redistributions of source code must retain the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer.
                     15:  * 2. Redistributions in binary form must reproduce the above copyright
                     16:  *    notice, this list of conditions and the following disclaimer in the
                     17:  *    documentation and/or other materials provided with the distribution.
                     18:  * 3. All advertising materials mentioning features or use of this software
                     19:  *    must display the following acknowledgement:
                     20:  *     This product includes software developed by the NetBSD
                     21:  *     Foundation, Inc. and its contributors.
                     22:  * 4. Neither the name of The NetBSD Foundation nor the names of its
                     23:  *    contributors may be used to endorse or promote products derived
                     24:  *    from this software without specific prior written permission.
                     25:  *
                     26:  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
                     27:  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
                     28:  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
                     29:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
                     30:  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
                     31:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
                     32:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
                     33:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
                     34:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
                     35:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
                     36:  * POSSIBILITY OF SUCH DAMAGE.
                     37:  */
                     38:
                     39: #include "atomic_op_namespace.h"
                     40:
                     41: #include <sys/atomic.h>
                     42:
                     43: void
                     44: membar_sync(void)
                     45: {
                     46:
                     47:        /* nothing */
                     48: }
                     49:
                     50: #undef membar_enter
                     51: atomic_op_alias(membar_enter,_membar_sync)
                     52: __strong_alias(_membar_enter,_membar_sync)
                     53: #undef membar_exit
                     54: atomic_op_alias(membar_exit,_membar_sync)
                     55: __strong_alias(_membar_exit,_membar_sync)
                     56: #undef membar_producer
                     57: atomic_op_alias(membar_producer,_membar_sync)
                     58: __strong_alias(_membar_producer,_membar_sync)
                     59: #undef membar_consumer
                     60: atomic_op_alias(membar_consumer,_membar_sync)
                     61: __strong_alias(_membar_consumer,_membar_sync)
                     62: #undef membar_sync
                     63: atomic_op_alias(membar_sync,_membar_sync)
                     64: __strong_alias(_membar_sync,_membar_sync)