1*0a6a1f1dSLionel Sambuc /* $NetBSD: semctl.c,v 1.18 2015/01/29 20:44:38 joerg Exp $ */
22fe8fb19SBen Gras
32fe8fb19SBen Gras /*-
42fe8fb19SBen Gras * Copyright (c) 2000 The NetBSD Foundation, Inc.
52fe8fb19SBen Gras * All rights reserved.
62fe8fb19SBen Gras *
72fe8fb19SBen Gras * This code is derived from software contributed to The NetBSD Foundation
82fe8fb19SBen Gras * by Christos Zoulas.
92fe8fb19SBen Gras *
102fe8fb19SBen Gras * Redistribution and use in source and binary forms, with or without
112fe8fb19SBen Gras * modification, are permitted provided that the following conditions
122fe8fb19SBen Gras * are met:
132fe8fb19SBen Gras * 1. Redistributions of source code must retain the above copyright
142fe8fb19SBen Gras * notice, this list of conditions and the following disclaimer.
152fe8fb19SBen Gras * 2. Redistributions in binary form must reproduce the above copyright
162fe8fb19SBen Gras * notice, this list of conditions and the following disclaimer in the
172fe8fb19SBen Gras * documentation and/or other materials provided with the distribution.
182fe8fb19SBen Gras *
192fe8fb19SBen Gras * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
202fe8fb19SBen Gras * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
212fe8fb19SBen Gras * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
222fe8fb19SBen Gras * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
232fe8fb19SBen Gras * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
242fe8fb19SBen Gras * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
252fe8fb19SBen Gras * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
262fe8fb19SBen Gras * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
272fe8fb19SBen Gras * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
282fe8fb19SBen Gras * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
292fe8fb19SBen Gras * POSSIBILITY OF SUCH DAMAGE.
302fe8fb19SBen Gras */
312fe8fb19SBen Gras #include <sys/cdefs.h>
322fe8fb19SBen Gras #if defined(LIBC_SCCS) && !defined(lint)
33*0a6a1f1dSLionel Sambuc __RCSID("$NetBSD: semctl.c,v 1.18 2015/01/29 20:44:38 joerg Exp $");
342fe8fb19SBen Gras #endif /* LIBC_SCCS and not lint */
352fe8fb19SBen Gras
362fe8fb19SBen Gras #include <sys/types.h>
372fe8fb19SBen Gras #include <sys/ipc.h>
382fe8fb19SBen Gras #include <sys/sem.h>
392fe8fb19SBen Gras #include <stdarg.h>
40*0a6a1f1dSLionel Sambuc #ifdef __lint__
41*0a6a1f1dSLionel Sambuc #include <string.h>
42*0a6a1f1dSLionel Sambuc #endif
432fe8fb19SBen Gras
442fe8fb19SBen Gras /* The kernel version [... == union semun *] */
452fe8fb19SBen Gras int ____semctl50(int, int, int, ...);
462fe8fb19SBen Gras
472fe8fb19SBen Gras int
semctl(int semid,int semnum,int cmd,...)482fe8fb19SBen Gras semctl(int semid, int semnum, int cmd, ...)
492fe8fb19SBen Gras {
502fe8fb19SBen Gras va_list ap;
512fe8fb19SBen Gras union __semun semun;
522fe8fb19SBen Gras
532fe8fb19SBen Gras va_start(ap, cmd);
542fe8fb19SBen Gras switch (cmd) {
552fe8fb19SBen Gras case IPC_SET:
562fe8fb19SBen Gras case IPC_STAT:
572fe8fb19SBen Gras case GETALL:
582fe8fb19SBen Gras case SETVAL:
592fe8fb19SBen Gras case SETALL:
602fe8fb19SBen Gras #ifdef __lint__
612fe8fb19SBen Gras memcpy(&semun, &ap, sizeof(semun));
622fe8fb19SBen Gras #else
632fe8fb19SBen Gras semun = va_arg(ap, union __semun);
642fe8fb19SBen Gras #endif
652fe8fb19SBen Gras }
662fe8fb19SBen Gras va_end(ap);
672fe8fb19SBen Gras return ____semctl50(semid, semnum, cmd, &semun);
682fe8fb19SBen Gras }
69