1 /* $OpenBSD: linux_shm.h,v 1.2 1996/04/17 05:23:58 mickey Exp $ */
2 /* $NetBSD: linux_shm.h,v 1.1 1995/02/28 23:25:57 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_SHM_H
36 #define _LINUX_SHM_H
37
38 /*
39 * shm segment control structure
40 */
41 struct linux_shmid_ds {
42 struct linux_ipc_perm l_shm_perm;
43 int l_shm_segsz;
44 linux_time_t l_shm_atime;
45 linux_time_t l_shm_dtime;
46 linux_time_t l_shm_ctime;
47 ushort l_shm_cpid;
48 ushort l_shm_lpid;
49 short l_shm_nattch;
50 ushort l_private1;
51 void *l_private2;
52 void *l_private3;
53 };
54
55 #define LINUX_SHM_RDONLY 0x1000
56 #define LINUX_SHM_RND 0x2000
57 #define LINUX_SHM_REMAP 0x4000
58
59 #define LINUX_SHM_LOCK 11
60 #define LINUX_SHM_UNLOCK 12
61 #define LINUX_SHM_STAT 13
62 #define LINUX_SHM_INFO 14
63
64 #endif /* _LINUX_SHM_H */