1 | /* $NetBSD: linux_sem.h,v 1.10 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_SEM_H |
33 | #define _LINUX_SEM_H |
34 | |
35 | #include <sys/sem.h> |
36 | |
37 | /* |
38 | * Operations for semctl(2), in addition to IPC_STAT and IPC_SET |
39 | */ |
40 | #define LINUX_GETPID 11 |
41 | #define LINUX_GETVAL 12 |
42 | #define LINUX_GETALL 13 |
43 | #define LINUX_GETNCNT 14 |
44 | #define LINUX_GETZCNT 15 |
45 | #define LINUX_SETVAL 16 |
46 | #define LINUX_SETALL 17 |
47 | |
48 | /* |
49 | * Linux semid_ds structure. Internally used pointer fields are not |
50 | * important to us and have been changed to void * |
51 | */ |
52 | |
53 | struct linux_semid_ds { |
54 | struct linux_ipc_perm l_sem_perm; |
55 | linux_time_t l_sem_otime; |
56 | linux_time_t l_sem_ctime; |
57 | void *l_sem_base; |
58 | void *l_eventn; |
59 | void *l_eventz; |
60 | void *l_undo; |
61 | ushort l_sem_nsems; |
62 | }; |
63 | |
64 | struct linux_semid64_ds { |
65 | struct linux_ipc64_perm l_sem_perm; |
66 | linux_time_t l_sem_otime; |
67 | unsigned long l___unused1; |
68 | linux_time_t l_sem_ctime; |
69 | unsigned long l___unused2; |
70 | unsigned long l_sem_nsems; |
71 | unsigned long l___unused3; |
72 | unsigned long l___unused4; |
73 | }; |
74 | |
75 | union linux_semun { |
76 | int l_val; |
77 | struct linux_semid_ds *l_buf; |
78 | ushort *l_array; |
79 | void *l___buf; /* For unsupported IPC_INFO */ |
80 | void *l___pad; |
81 | }; |
82 | |
83 | /* Pretend the sys_semctl syscall is defined */ |
84 | #ifndef __amd64__ |
85 | struct linux_sys_semctl_args { |
86 | syscallarg(int) semid; |
87 | syscallarg(int) semnum; |
88 | syscallarg(int) cmd; |
89 | syscallarg(union linux_semun) arg; |
90 | }; |
91 | int linux_sys_semctl(struct lwp *, const struct linux_sys_semctl_args *, register_t *); |
92 | #endif |
93 | |
94 | |
95 | #ifdef SYSVSEM |
96 | #ifdef _KERNEL |
97 | __BEGIN_DECLS |
98 | void bsd_to_linux_semid_ds(struct semid_ds *, struct linux_semid_ds *); |
99 | void bsd_to_linux_semid64_ds(struct semid_ds *, struct linux_semid64_ds *); |
100 | void linux_to_bsd_semid_ds(struct linux_semid_ds *, struct semid_ds *); |
101 | void linux_to_bsd_semid64_ds(struct linux_semid64_ds *, struct semid_ds *); |
102 | __END_DECLS |
103 | #endif /* !_KERNEL */ |
104 | #endif /* !SYSVSEM */ |
105 | |
106 | #endif /* !_LINUX_SEM_H */ |
107 | |