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 #define _WANT_SEMUN_OLD
33
34 #include <sys/types.h>
35 #include <sys/ipc.h>
36 #include <sys/sem.h>
37 #include <stdarg.h>
38 #include <stdlib.h>
39
40 int __semctl(int semid, int semnum, int cmd, union semun *arg);
41 int freebsd7___semctl(int semid, int semnum, int cmd, union semun_old *arg);
42 int freebsd7_semctl(int semid, int semnum, int cmd, ...);
43
44 int
semctl(int semid,int semnum,int cmd,...)45 semctl(int semid, int semnum, int cmd, ...)
46 {
47 va_list ap;
48 union semun semun;
49 union semun *semun_ptr;
50
51 va_start(ap, cmd);
52 if (cmd == IPC_SET || cmd == IPC_STAT || cmd == GETALL
53 || cmd == SETVAL || cmd == SETALL) {
54 semun = va_arg(ap, union semun);
55 semun_ptr = &semun;
56 } else {
57 semun_ptr = NULL;
58 }
59 va_end(ap);
60
61 return (__semctl(semid, semnum, cmd, semun_ptr));
62 }
63
64 int
freebsd7_semctl(int semid,int semnum,int cmd,...)65 freebsd7_semctl(int semid, int semnum, int cmd, ...)
66 {
67 va_list ap;
68 union semun_old semun;
69 union semun_old *semun_ptr;
70
71 va_start(ap, cmd);
72 if (cmd == IPC_SET || cmd == IPC_STAT || cmd == GETALL
73 || cmd == SETVAL || cmd == SETALL) {
74 semun = va_arg(ap, union semun_old);
75 semun_ptr = &semun;
76 } else {
77 semun_ptr = NULL;
78 }
79 va_end(ap);
80
81 return (freebsd7___semctl(semid, semnum, cmd, semun_ptr));
82 }
83
84 __sym_compat(semctl, freebsd7_semctl, FBSD_1.0);
85