1/* $NetBSD: sysv_sem_50.c,v 1.3 2011/01/19 10:21:16 tsutsui Exp $ */
2
3/*-
4 * Copyright (c) 1999 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9 * NASA Ames Research Center.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40#include <sys/cdefs.h>
41__KERNEL_RCSID(0, "$NetBSD: sysv_sem_50.c,v 1.3 2011/01/19 10:21:16 tsutsui Exp $");
42
43#include <sys/param.h>
44#include <sys/systm.h>
45#include <sys/signal.h>
46#include <sys/proc.h>
47#include <sys/sem.h>
48
49#ifndef SYSVSEM
50#define SYSVSEM
51#endif
52
53#include <sys/syscallargs.h>
54
55#include <compat/sys/sem.h>
56
57int
58compat_50_sys_____semctl13(struct lwp *l, const struct compat_50_sys_____semctl13_args *uap, register_t *retval)
59{
60 /* {
61 syscallarg(int) semid;
62 syscallarg(int) semnum;
63 syscallarg(int) cmd;
64 syscallarg(union __semun *) arg;
65 } */
66 union __semun arg;
67 struct semid_ds sembuf;
68 struct semid_ds13 osembuf;
69 int cmd, error;
70 void *pass_arg;
71
72 cmd = SCARG(uap, cmd);
73
74 pass_arg = get_semctl_arg(cmd, &sembuf, &arg);
75
76 if (pass_arg != NULL) {
77 error = copyin(SCARG(uap, arg), &arg, sizeof(arg));
78 if (error)
79 return (error);
80 if (cmd == IPC_SET) {
81 error = copyin(arg.buf, &osembuf, sizeof(osembuf));
82 if (error)
83 return (error);
84 __semid_ds13_to_native(&osembuf, &sembuf);
85 }
86 }
87
88 error = semctl1(l, SCARG(uap, semid), SCARG(uap, semnum), cmd,
89 pass_arg, retval);
90
91 if (error == 0 && cmd == IPC_STAT) {
92 __native_to_semid_ds13(&sembuf, &osembuf);
93 error = copyout(&osembuf, arg.buf, sizeof(osembuf));
94 }
95
96 return (error);
97}
98