1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2002 Doug Rabson
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 */
29
30
31 #ifndef NO_COMPAT7
32 #define _WANT_SEMUN_OLD
33 #endif
34 #define _WANT_SEMUN
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
42 int __semctl(int semid, int semnum, int cmd, union semun *arg);
43 #ifndef NO_COMPAT7
44 int freebsd7___semctl(int semid, int semnum, int cmd, union semun_old *arg);
45 int freebsd7_semctl(int semid, int semnum, int cmd, ...);
46 #endif
47
48 int
semctl(int semid,int semnum,int cmd,...)49 semctl(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
69 int
freebsd7_semctl(int semid,int semnum,int cmd,...)70 freebsd7_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