linux_shm.h revision 1.3 1 /* $NetBSD: linux_shm.h,v 1.3 1998/10/03 20:17:43 christos Exp $ */
2
3 /*-
4 * Copyright (c) 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by 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 /*
40 * Copyright (c) 1995 Frank van der Linden
41 * All rights reserved.
42 *
43 * Redistribution and use in source and binary forms, with or without
44 * modification, are permitted provided that the following conditions
45 * are met:
46 * 1. Redistributions of source code must retain the above copyright
47 * notice, this list of conditions and the following disclaimer.
48 * 2. Redistributions in binary form must reproduce the above copyright
49 * notice, this list of conditions and the following disclaimer in the
50 * documentation and/or other materials provided with the distribution.
51 * 3. All advertising materials mentioning features or use of this software
52 * must display the following acknowledgement:
53 * This product includes software developed for the NetBSD Project
54 * by Frank van der Linden
55 * 4. The name of the author may not be used to endorse or promote products
56 * derived from this software without specific prior written permission
57 *
58 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
59 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
60 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
61 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
62 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
63 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
64 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
65 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
66 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
67 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
68 */
69
70 #ifndef _LINUX_SHM_H
71 #define _LINUX_SHM_H
72
73 #include <sys/shm.h>
74
75 /*
76 * shm segment control structure
77 */
78 struct linux_shmid_ds {
79 struct linux_ipc_perm l_shm_perm;
80 int l_shm_segsz;
81 linux_time_t l_shm_atime;
82 linux_time_t l_shm_dtime;
83 linux_time_t l_shm_ctime;
84 ushort l_shm_cpid;
85 ushort l_shm_lpid;
86 short l_shm_nattch;
87 ushort l_private1;
88 void *l_private2;
89 void *l_private3;
90 };
91
92 #define LINUX_SHM_RDONLY 0x1000
93 #define LINUX_SHM_RND 0x2000
94 #define LINUX_SHM_REMAP 0x4000
95
96 #define LINUX_SHM_LOCK 11
97 #define LINUX_SHM_UNLOCK 12
98 #define LINUX_SHM_STAT 13
99 #define LINUX_SHM_INFO 14
100
101
102 /* Pretend the sys_shmat and sys_shmctl syscalls are defined */
103 struct linux_sys_shmat_args {
104 syscallarg(int) shmid;
105 syscallarg(void *) shmaddr;
106 syscallarg(int) shmflg;
107 syscallarg(u_long *) raddr;
108 };
109
110 struct linux_sys_shmctl_args {
111 syscallarg(int) shmid;
112 syscallarg(int) cmd;
113 syscallarg(struct linux_shmid_ds *) buf;
114 };
115
116 #ifdef SYSVSHM
117 #ifdef _KERNEL
118 __BEGIN_DECLS
119 int linux_sys_shmat __P((struct proc *, void *, register_t *));
120 int linux_sys_shmctl __P((struct proc *, void *, register_t *));
121 void linux_to_bsd_shmid_ds __P((struct linux_shmid_ds *,
122 struct shmid_ds *));
123 void bsd_to_linux_shmid_ds __P((struct shmid_ds *,
124 struct linux_shmid_ds *));
125 __END_DECLS
126 #endif /* !_KERNEL */
127 #endif /* !SYSVSHM */
128
129 #endif /* !_LINUX_SHM_H */
130