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Annotation of src/common/lib/libc/atomic/membar_ops_nop.c, Revision 1.5.6.1

1.5.6.1 ! yamt        1: /*     $NetBSD: membar_ops_nop.c,v 1.5 2009/08/21 14:31:02 skrll 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:  *
                     19:  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
                     20:  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
                     21:  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
                     22:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
                     23:  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
                     24:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
                     25:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
                     26:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
                     27:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
                     28:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
                     29:  * POSSIBILITY OF SUCH DAMAGE.
                     30:  */
                     31:
                     32: #include "atomic_op_namespace.h"
                     33:
                     34: #include <sys/atomic.h>
                     35:
                     36: void
                     37: membar_sync(void)
                     38: {
                     39:
                     40:        /* nothing */
                     41: }
                     42:
                     43: #undef membar_enter
                     44: atomic_op_alias(membar_enter,_membar_sync)
                     45: __strong_alias(_membar_enter,_membar_sync)
                     46: #undef membar_exit
                     47: atomic_op_alias(membar_exit,_membar_sync)
                     48: __strong_alias(_membar_exit,_membar_sync)
                     49: #undef membar_producer
                     50: atomic_op_alias(membar_producer,_membar_sync)
                     51: __strong_alias(_membar_producer,_membar_sync)
                     52: #undef membar_consumer
                     53: atomic_op_alias(membar_consumer,_membar_sync)
                     54: __strong_alias(_membar_consumer,_membar_sync)
                     55: #undef membar_sync
                     56: atomic_op_alias(membar_sync,_membar_sync)
1.5.6.1 ! yamt       57: crt_alias(__sync_synchronize,_membar_sync)