1 /* $OpenBSD: linux_sem.h,v 1.2 1996/04/17 05:23:57 mickey Exp $ */
2 /* $NetBSD: linux_sem.h,v 1.1 1995/08/15 21:14:35 fvdl Exp $ */
3
4 /*
5 * Copyright (c) 1995 Frank van der Linden
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed for the NetBSD Project
19 * by Frank van der Linden
20 * 4. The name of the author may not be used to endorse or promote products
21 * derived from this software without specific prior written permission
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 */
34
35 #ifndef _LINUX_SEM_H
36 #define _LINUX_SEM_H
37
38 /*
39 * Operations for semctl(2), in addition to IPC_STAT and IPC_SET
40 */
41 #define LINUX_GETPID 11
42 #define LINUX_GETVAL 12
43 #define LINUX_GETALL 13
44 #define LINUX_GETNCNT 14
45 #define LINUX_GETZCNT 15
46 #define LINUX_SETVAL 16
47 #define LINUX_SETALL 17
48
49 /*
50 * Linux semid_ds structure. Internally used pointer fields are not
51 * important to us and have been changed to void *
52 */
53
54 struct linux_semid_ds {
55 struct linux_ipc_perm l_sem_perm;
56 linux_time_t l_sem_otime;
57 linux_time_t l_sem_ctime;
58 void *l_sem_base;
59 void *l_eventn;
60 void *l_eventz;
61 void *l_undo;
62 ushort l_sem_nsems;
63 };
64
65 union linux_semun {
66 int l_val;
67 struct linux_semid_ds *l_buf;
68 ushort *l_array;
69 void *l___buf; /* For unsupported IPC_INFO */
70 void *l___pad;
71 };
72
73 #endif /* _LINUX_SEM_H */