xref: /openbsd/lib/libc/sys/semctl.c (revision f2dfb0a4)
1 /*
2  * Copyright (c) 1994, 1995 Christopher G. Demetriou
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *	This product includes software developed by Christopher G. Demetriou
16  *	for the NetBSD Project.
17  * 4. The name of the author may not be used to endorse or promote products
18  *    derived from this software without specific prior written permission
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #if defined(SYSLIBC_SCCS) && !defined(lint)
33 static char rcsid[] = "$OpenBSD: semctl.c,v 1.4 1997/07/25 20:30:14 mickey Exp $";
34 #endif /* SYSLIBC_SCCS and not lint */
35 
36 #include <sys/types.h>
37 #include <sys/ipc.h>
38 #include <sys/sem.h>
39 
40 #ifdef __STDC__
41 int semctl(int semid, int semnum, int cmd, union semun semun)
42 #else
43 int semctl(semid, int semnum, cmd, semun)
44 	int semid, semnum;
45 	int cmd;
46 	union semun semun;
47 #endif
48 {
49 	return (__semctl(semid, semnum, cmd, &semun));
50 }
51