1 /* $NetBSD: compat___semctl13.c,v 1.6 2015/01/29 20:44:38 joerg Exp $ */
2
3 /*-
4 * Copyright (c) 2008 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Christos Zoulas.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38 #include <sys/cdefs.h>
39 #if defined(LIBC_SCCS) && !defined(lint)
40 __RCSID("$NetBSD: compat___semctl13.c,v 1.6 2015/01/29 20:44:38 joerg Exp $");
41 #endif /* LIBC_SCCS and not lint */
42
43 #include "namespace.h"
44 #define __LIBC12_SOURCE__
45 #include <stdarg.h>
46 #include <sys/time.h>
47 #include <compat/sys/time.h>
48 #include <sys/sem.h>
49 #include <compat/sys/sem.h>
50 #ifdef __lint__
51 #include <string.h>
52 #endif
53
54 __warn_references(__semctl13,
55 "warning: reference to compatibility __semctl13(); include <sys/sem.h> to generate correct reference")
56
57 /*
58 * Copy timeout to local variable and call the syscall.
59 */
60 int
__semctl13(int semid,int semnum,int cmd,...)61 __semctl13(int semid, int semnum, int cmd, ...)
62 {
63 va_list ap;
64 union __semun semun;
65 struct semid_ds13 *ds13;
66 struct semid_ds ds;
67 int error;
68
69 va_start(ap, cmd);
70 switch (cmd) {
71 case IPC_SET:
72 case IPC_STAT:
73 case GETALL:
74 case SETVAL:
75 case SETALL:
76 #ifdef __lint__
77 memcpy(&semun, &ap, sizeof(semun));
78 #else
79 semun = va_arg(ap, union __semun);
80 #endif
81 break;
82 default:
83 break;
84 }
85 va_end(ap);
86
87 switch (cmd) {
88 case IPC_SET:
89 case IPC_STAT:
90 ds13 = (void *)semun.buf;
91 semun.buf = &ds;
92 if (cmd == IPC_SET)
93 __semid_ds13_to_native(ds13, &ds);
94 break;
95 default:
96 ds13 = NULL;
97 break;
98 }
99
100
101 error = ____semctl50(semid, semnum, cmd, &semun);
102 if (error)
103 return error;
104
105 if (cmd == IPC_STAT)
106 __native_to_semid_ds13(&ds, ds13);
107 return 0;
108 }
109