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membar_ops_nop.c revision 1.8 
      1  1.8  riastrad /*	$NetBSD: membar_ops_nop.c,v 1.8 2022/04/09 23:32:52 riastradh Exp $	*/
      2  1.2        ad 
      3  1.2        ad /*-
      4  1.2        ad  * Copyright (c) 2007 The NetBSD Foundation, Inc.
      5  1.2        ad  * All rights reserved.
      6  1.2        ad  *
      7  1.2        ad  * This code is derived from software contributed to The NetBSD Foundation
      8  1.2        ad  * by Jason R. Thorpe.
      9  1.2        ad  *
     10  1.2        ad  * Redistribution and use in source and binary forms, with or without
     11  1.2        ad  * modification, are permitted provided that the following conditions
     12  1.2        ad  * are met:
     13  1.2        ad  * 1. Redistributions of source code must retain the above copyright
     14  1.2        ad  *    notice, this list of conditions and the following disclaimer.
     15  1.2        ad  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.2        ad  *    notice, this list of conditions and the following disclaimer in the
     17  1.2        ad  *    documentation and/or other materials provided with the distribution.
     18  1.2        ad  *
     19  1.2        ad  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  1.2        ad  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  1.2        ad  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  1.2        ad  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  1.2        ad  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  1.2        ad  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  1.2        ad  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  1.2        ad  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  1.2        ad  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  1.2        ad  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  1.2        ad  * POSSIBILITY OF SUCH DAMAGE.
     30  1.2        ad  */
     31  1.2        ad 
     32  1.2        ad #include "atomic_op_namespace.h"
     33  1.2        ad 
     34  1.2        ad #include <sys/atomic.h>
     35  1.2        ad 
     36  1.2        ad void
     37  1.2        ad membar_sync(void)
     38  1.2        ad {
     39  1.2        ad 
     40  1.2        ad 	/* nothing */
     41  1.2        ad }
     42  1.2        ad 
     43  1.8  riastrad #undef membar_acquire
     44  1.8  riastrad atomic_op_alias(membar_acquire,_membar_sync)
     45  1.8  riastrad __strong_alias(_membar_acquire,_membar_sync)
     46  1.8  riastrad #undef membar_release
     47  1.8  riastrad atomic_op_alias(membar_release,_membar_sync)
     48  1.8  riastrad __strong_alias(_membar_release,_membar_sync)
     49  1.2        ad #undef membar_enter
     50  1.2        ad atomic_op_alias(membar_enter,_membar_sync)
     51  1.2        ad __strong_alias(_membar_enter,_membar_sync)
     52  1.2        ad #undef membar_exit
     53  1.2        ad atomic_op_alias(membar_exit,_membar_sync)
     54  1.2        ad __strong_alias(_membar_exit,_membar_sync)
     55  1.2        ad #undef membar_producer
     56  1.2        ad atomic_op_alias(membar_producer,_membar_sync)
     57  1.2        ad __strong_alias(_membar_producer,_membar_sync)
     58  1.2        ad #undef membar_consumer
     59  1.2        ad atomic_op_alias(membar_consumer,_membar_sync)
     60  1.2        ad __strong_alias(_membar_consumer,_membar_sync)
     61  1.2        ad #undef membar_sync
     62  1.2        ad atomic_op_alias(membar_sync,_membar_sync)
     63  1.7    martin crt_alias(__sync_synchronize,_membar_sync)
     64