1 | /* $NetBSD: linux_shm.h,v 1.12 2008/04/28 20:23:44 martin 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 | * |
19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
29 | * POSSIBILITY OF SUCH DAMAGE. |
30 | */ |
31 | |
32 | #ifndef _LINUX_SHM_H |
33 | #define _LINUX_SHM_H |
34 | |
35 | #include <sys/shm.h> |
36 | |
37 | /* |
38 | * shm segment control structure |
39 | */ |
40 | struct linux_shmid_ds { |
41 | struct linux_ipc_perm l_shm_perm; |
42 | int l_shm_segsz; |
43 | linux_time_t l_shm_atime; |
44 | linux_time_t l_shm_dtime; |
45 | linux_time_t l_shm_ctime; |
46 | ushort l_shm_cpid; |
47 | ushort l_shm_lpid; |
48 | short l_shm_nattch; |
49 | ushort l_private1; |
50 | void *l_private2; |
51 | void *l_private3; |
52 | }; |
53 | |
54 | struct linux_shmid64_ds { |
55 | struct linux_ipc64_perm l_shm_perm; |
56 | size_t l_shm_segsz; |
57 | linux_time_t l_shm_atime; |
58 | #ifndef _LP64 |
59 | u_long l____unused1; |
60 | #endif |
61 | linux_time_t l_shm_dtime; |
62 | #ifndef _LP64 |
63 | u_long l____unused2; |
64 | #endif |
65 | linux_time_t l_shm_ctime; |
66 | #ifndef _LP64 |
67 | u_long l____unused3; |
68 | #endif |
69 | int l_shm_cpid; |
70 | int l_shm_lpid; |
71 | u_long l_shm_nattch; |
72 | u_long l___unused4; |
73 | u_long l___unused5; |
74 | }; |
75 | |
76 | struct linux_shminfo64 { |
77 | u_long l_shmmax; |
78 | u_long l_shmmin; |
79 | u_long l_shmmni; |
80 | u_long l_shmseg; |
81 | u_long l_shmall; |
82 | u_long l___unused1; |
83 | u_long l___unused2; |
84 | u_long l___unused3; |
85 | u_long l___unused4; |
86 | }; |
87 | |
88 | struct linux_shm_info { |
89 | int l_used_ids; |
90 | u_long l_shm_tot; |
91 | u_long ; |
92 | u_long l_shm_swp; |
93 | u_long l_swap_attempts; |
94 | u_long l_swap_successes; |
95 | }; |
96 | |
97 | #define LINUX_SHM_RDONLY 0x1000 |
98 | #define LINUX_SHM_RND 0x2000 |
99 | #define LINUX_SHM_REMAP 0x4000 |
100 | |
101 | #define LINUX_SHM_LOCK 11 |
102 | #define LINUX_SHM_UNLOCK 12 |
103 | #define LINUX_SHM_STAT 13 |
104 | #define LINUX_SHM_INFO 14 |
105 | |
106 | |
107 | /* Pretend the sys_shmat and sys_shmctl syscalls are defined */ |
108 | struct linux_sys_shmat_args { |
109 | syscallarg(int) shmid; |
110 | syscallarg(void *) shmaddr; |
111 | syscallarg(int) shmflg; |
112 | syscallarg(u_long *) raddr; |
113 | }; |
114 | |
115 | struct linux_sys_shmctl_args { |
116 | syscallarg(int) shmid; |
117 | syscallarg(int) cmd; |
118 | syscallarg(struct linux_shmid_ds *) buf; |
119 | }; |
120 | |
121 | struct linux_sys_shmget_args { |
122 | syscallarg(key_t) key; |
123 | syscallarg(size_t) size; |
124 | syscallarg(int) shmflg; |
125 | }; |
126 | |
127 | #ifdef SYSVSHM |
128 | #ifdef _KERNEL |
129 | __BEGIN_DECLS |
130 | int linux_sys_shmget(struct lwp *, const struct linux_sys_shmget_args *, register_t *); |
131 | int linux_sys_shmat(struct lwp *, const struct linux_sys_shmat_args *, register_t *); |
132 | int linux_sys_shmctl(struct lwp *, const struct linux_sys_shmctl_args *, register_t *); |
133 | void linux_to_bsd_shmid_ds(struct linux_shmid_ds *, |
134 | struct shmid_ds *); |
135 | void linux_to_bsd_shmid64_ds(struct linux_shmid64_ds *, |
136 | struct shmid_ds *); |
137 | void bsd_to_linux_shmid_ds(struct shmid_ds *, |
138 | struct linux_shmid_ds *); |
139 | void bsd_to_linux_shmid64_ds(struct shmid_ds *, |
140 | struct linux_shmid64_ds *); |
141 | __END_DECLS |
142 | #endif /* !_KERNEL */ |
143 | #endif /* !SYSVSHM */ |
144 | |
145 | #endif /* !_LINUX_SHM_H */ |
146 | |