1/*	$NetBSD: compat___semctl13.c,v 1.5 2014/08/13 14:43:48 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 1.5 2014/08/13 14:43:48 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 */
60int
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