1/* $NetBSD: sysv_msg_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_msg_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/msg.h>
48
49#include <compat/sys/msg.h>
50
51#ifndef SYSVMSG
52#define SYSVMSG
53#endif
54
55#include <sys/syscallargs.h>
56
57int
58compat_50_sys___msgctl13(struct lwp *l, const struct compat_50_sys___msgctl13_args *uap, register_t *retval)
59{
60 /* {
61 syscallarg(int) msqid;
62 syscallarg(int) cmd;
63 syscallarg(struct msqid_ds13 *) buf;
64 } */
65 struct msqid_ds msqbuf;
66 struct msqid_ds13 omsqbuf;
67 int cmd, error;
68
69 cmd = SCARG(uap, cmd);
70
71 if (cmd == IPC_SET) {
72 error = copyin(SCARG(uap, buf), &omsqbuf, sizeof(omsqbuf));
73 if (error)
74 return (error);
75 __msqid_ds13_to_native(&omsqbuf, &msqbuf);
76 }
77
78 error = msgctl1(l, SCARG(uap, msqid), cmd,
79 (cmd == IPC_SET || cmd == IPC_STAT) ? &msqbuf : NULL);
80
81 if (error == 0 && cmd == IPC_STAT) {
82 __native_to_msqid_ds13(&msqbuf, &omsqbuf);
83 error = copyout(&omsqbuf, SCARG(uap, buf), sizeof(omsqbuf));
84 }
85
86 return (error);
87}
88