1/*-
2 * Copyright (c) 2002 Doug Rabson
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 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 */
27
28
29#include <sys/cdefs.h>
30__FBSDID("$FreeBSD$");
31
32#ifndef NO_COMPAT7
33#define _WANT_SEMUN_OLD
34#endif
35
36#include <sys/types.h>
37#include <sys/ipc.h>
38#include <sys/sem.h>
39#include <stdarg.h>
40#include <stdlib.h>
41
42int	__semctl(int semid, int semnum, int cmd, union semun *arg);
43#ifndef NO_COMPAT7
44int	freebsd7___semctl(int semid, int semnum, int cmd, union semun_old *arg);
45int	freebsd7_semctl(int semid, int semnum, int cmd, ...);
46#endif
47
48int
49semctl(int semid, int semnum, int cmd, ...)
50{
51	va_list ap;
52	union semun semun;
53	union semun *semun_ptr;
54
55	va_start(ap, cmd);
56	if (cmd == IPC_SET || cmd == IPC_STAT || cmd == GETALL
57	    || cmd == SETVAL || cmd == SETALL) {
58		semun = va_arg(ap, union semun);
59		semun_ptr = &semun;
60	} else {
61		semun_ptr = NULL;
62	}
63	va_end(ap);
64
65	return (__semctl(semid, semnum, cmd, semun_ptr));
66}
67
68#ifndef NO_COMPAT7
69int
70freebsd7_semctl(int semid, int semnum, int cmd, ...)
71{
72	va_list ap;
73	union semun_old semun;
74	union semun_old *semun_ptr;
75
76	va_start(ap, cmd);
77	if (cmd == IPC_SET || cmd == IPC_STAT || cmd == GETALL
78	    || cmd == SETVAL || cmd == SETALL) {
79		semun = va_arg(ap, union semun_old);
80		semun_ptr = &semun;
81	} else {
82		semun_ptr = NULL;
83	}
84	va_end(ap);
85
86	return (freebsd7___semctl(semid, semnum, cmd, semun_ptr));
87}
88
89__sym_compat(semctl, freebsd7_semctl, FBSD_1.0);
90#endif
91