sysv_sem_50.c revision 1.2.10.1 1 1.2.10.1 rmind /* $NetBSD: sysv_sem_50.c,v 1.2.10.1 2011/03/05 20:52:39 rmind Exp $ */
2 1.2 christos
3 1.2 christos /*-
4 1.2 christos * Copyright (c) 1999 The NetBSD Foundation, Inc.
5 1.2 christos * All rights reserved.
6 1.2 christos *
7 1.2 christos * This code is derived from software contributed to The NetBSD Foundation
8 1.2 christos * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9 1.2 christos * NASA Ames Research Center.
10 1.2 christos *
11 1.2 christos * Redistribution and use in source and binary forms, with or without
12 1.2 christos * modification, are permitted provided that the following conditions
13 1.2 christos * are met:
14 1.2 christos * 1. Redistributions of source code must retain the above copyright
15 1.2 christos * notice, this list of conditions and the following disclaimer.
16 1.2 christos * 2. Redistributions in binary form must reproduce the above copyright
17 1.2 christos * notice, this list of conditions and the following disclaimer in the
18 1.2 christos * documentation and/or other materials provided with the distribution.
19 1.2 christos * 3. All advertising materials mentioning features or use of this software
20 1.2 christos * must display the following acknowledgement:
21 1.2 christos * This product includes software developed by the NetBSD
22 1.2 christos * Foundation, Inc. and its contributors.
23 1.2 christos * 4. Neither the name of The NetBSD Foundation nor the names of its
24 1.2 christos * contributors may be used to endorse or promote products derived
25 1.2 christos * from this software without specific prior written permission.
26 1.2 christos *
27 1.2 christos * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 1.2 christos * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 1.2 christos * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 1.2 christos * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 1.2 christos * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 1.2 christos * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 1.2 christos * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 1.2 christos * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 1.2 christos * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 1.2 christos * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 1.2 christos * POSSIBILITY OF SUCH DAMAGE.
38 1.2 christos */
39 1.2 christos
40 1.2 christos #include <sys/cdefs.h>
41 1.2.10.1 rmind __KERNEL_RCSID(0, "$NetBSD: sysv_sem_50.c,v 1.2.10.1 2011/03/05 20:52:39 rmind Exp $");
42 1.2 christos
43 1.2 christos #include <sys/param.h>
44 1.2 christos #include <sys/systm.h>
45 1.2 christos #include <sys/signal.h>
46 1.2 christos #include <sys/proc.h>
47 1.2 christos #include <sys/sem.h>
48 1.2 christos
49 1.2 christos #ifndef SYSVSEM
50 1.2 christos #define SYSVSEM
51 1.2 christos #endif
52 1.2 christos
53 1.2 christos #include <sys/syscallargs.h>
54 1.2 christos
55 1.2 christos #include <compat/sys/sem.h>
56 1.2 christos
57 1.2 christos int
58 1.2 christos compat_50_sys_____semctl13(struct lwp *l, const struct compat_50_sys_____semctl13_args *uap, register_t *retval)
59 1.2 christos {
60 1.2 christos /* {
61 1.2 christos syscallarg(int) semid;
62 1.2 christos syscallarg(int) semnum;
63 1.2 christos syscallarg(int) cmd;
64 1.2 christos syscallarg(union __semun *) arg;
65 1.2 christos } */
66 1.2 christos union __semun arg;
67 1.2 christos struct semid_ds sembuf;
68 1.2 christos struct semid_ds13 osembuf;
69 1.2 christos int cmd, error;
70 1.2 christos void *pass_arg;
71 1.2 christos
72 1.2 christos cmd = SCARG(uap, cmd);
73 1.2 christos
74 1.2 christos pass_arg = get_semctl_arg(cmd, &sembuf, &arg);
75 1.2 christos
76 1.2 christos if (pass_arg != NULL) {
77 1.2 christos error = copyin(SCARG(uap, arg), &arg, sizeof(arg));
78 1.2 christos if (error)
79 1.2 christos return (error);
80 1.2 christos if (cmd == IPC_SET) {
81 1.2 christos error = copyin(arg.buf, &osembuf, sizeof(osembuf));
82 1.2 christos if (error)
83 1.2 christos return (error);
84 1.2 christos __semid_ds13_to_native(&osembuf, &sembuf);
85 1.2 christos }
86 1.2 christos }
87 1.2 christos
88 1.2 christos error = semctl1(l, SCARG(uap, semid), SCARG(uap, semnum), cmd,
89 1.2 christos pass_arg, retval);
90 1.2 christos
91 1.2 christos if (error == 0 && cmd == IPC_STAT) {
92 1.2 christos __native_to_semid_ds13(&sembuf, &osembuf);
93 1.2 christos error = copyout(&osembuf, arg.buf, sizeof(osembuf));
94 1.2 christos }
95 1.2 christos
96 1.2 christos return (error);
97 1.2 christos }
98