1 /* $NetBSD: linux_sem.h,v 1.5 2003/01/18 21:21:30 thorpej Exp $ */
2
3 /*-
4 * Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Frank van der Linden and Eric Haszlakiewicz.
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
39 #ifndef _LINUX_SEM_H
40 #define _LINUX_SEM_H
41
42 #include <sys/sem.h>
43
44 /*
45 * Operations for semctl(2), in addition to IPC_STAT and IPC_SET
46 */
47 #define LINUX_GETPID 11
48 #define LINUX_GETVAL 12
49 #define LINUX_GETALL 13
50 #define LINUX_GETNCNT 14
51 #define LINUX_GETZCNT 15
52 #define LINUX_SETVAL 16
53 #define LINUX_SETALL 17
54
55 /*
56 * Linux semid_ds structure. Internally used pointer fields are not
57 * important to us and have been changed to void *
58 */
59
60 struct linux_semid_ds {
61 struct linux_ipc_perm l_sem_perm;
62 linux_time_t l_sem_otime;
63 linux_time_t l_sem_ctime;
64 void *l_sem_base;
65 void *l_eventn;
66 void *l_eventz;
67 void *l_undo;
68 ushort l_sem_nsems;
69 };
70
71 union linux_semun {
72 int l_val;
73 struct linux_semid_ds *l_buf;
74 ushort *l_array;
75 void *l___buf; /* For unsupported IPC_INFO */
76 void *l___pad;
77 };
78
79 /* Pretend the sys_semctl syscall is defined */
80 struct linux_sys_semctl_args {
81 syscallarg(int) semid;
82 syscallarg(int) semnum;
83 syscallarg(int) cmd;
84 syscallarg(union linux_semun) arg;
85 };
86
87
88 #ifdef SYSVSEM
89 #ifdef _KERNEL
90 __BEGIN_DECLS
91 int linux_sys_semctl __P((struct lwp *, void *, register_t *));
92 void bsd_to_linux_semid_ds __P((struct semid_ds *,
93 struct linux_semid_ds *));
94 void linux_to_bsd_semid_ds __P((struct linux_semid_ds *,
95 struct semid_ds *));
96 __END_DECLS
97 #endif /* !_KERNEL */
98 #endif /* !SYSVSEM */
99
100 #endif /* !_LINUX_SEM_H */
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