1 | /* $NetBSD: linux_msg.h,v 1.13 2009/11/18 15:19:24 njoly 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_MSG_H |
33 | #define _LINUX_MSG_H |
34 | |
35 | #include <sys/msg.h> |
36 | |
37 | /* |
38 | * msq_id_ds structure. Mostly the same fields, except for some internal |
39 | * ones. |
40 | */ |
41 | struct linux_msqid_ds { |
42 | struct linux_ipc_perm l_msg_perm; |
43 | void *l_msg_first; |
44 | void *l_msg_last; |
45 | linux_time_t l_msg_stime; |
46 | linux_time_t l_msg_rtime; |
47 | linux_time_t l_msg_ctime; |
48 | void *l_wwait; /* Linux internal */ |
49 | void *l_rwait; /* Linux internal */ |
50 | ushort l_msg_cbytes; |
51 | ushort l_msg_qnum; |
52 | ushort l_msg_qbytes; |
53 | ushort l_msg_lspid; |
54 | ushort l_msg_lrpid; |
55 | }; |
56 | |
57 | struct linux_msqid64_ds { |
58 | struct linux_ipc64_perm l_msg_perm; |
59 | linux_time_t l_msg_stime; |
60 | #ifndef _LP64 |
61 | ulong l___unused1; |
62 | #endif |
63 | linux_time_t l_msg_rtime; |
64 | #ifndef _LP64 |
65 | ulong l___unused2; |
66 | #endif |
67 | linux_time_t l_msg_ctime; |
68 | #ifndef _LP64 |
69 | ulong l___unused3; |
70 | #endif |
71 | ulong l_msg_cbytes; |
72 | ulong l_msg_qnum; |
73 | ulong l_msg_qbytes; |
74 | int l_msg_lspid; |
75 | int l_msg_lrpid; |
76 | ulong l___unused4; |
77 | ulong l___unused5; |
78 | |
79 | }; |
80 | |
81 | #define LINUX_MSG_NOERROR 0x1000 |
82 | #define LINUX_MSG_EXCEPT 0x2000 |
83 | |
84 | /* |
85 | * The notorious anonymous message structure. |
86 | */ |
87 | struct linux_mymsg { |
88 | long l_mtype; |
89 | char l_mtext[1]; |
90 | }; |
91 | |
92 | /* |
93 | * This kludge is used for the 6th argument to the msgrcv system |
94 | * call, to get around the maximum of 5 arguments to a syscall in Linux. |
95 | */ |
96 | struct linux_msgrcv_msgarg { |
97 | struct linux_mymsg *msg; |
98 | long type; |
99 | }; |
100 | /* |
101 | * For msgctl calls. |
102 | */ |
103 | struct linux_msginfo { |
104 | int l_msgpool; |
105 | int l_msgmap; |
106 | int l_msgmax; |
107 | int l_msgmnb; |
108 | int l_msgmni; |
109 | int l_msgssz; |
110 | int l_msgtql; |
111 | ushort l_msgseg; |
112 | }; |
113 | |
114 | #define LINUX_MSG_STAT 11 |
115 | #define LINUX_MSG_INFO 12 |
116 | |
117 | /* Pretend the sys_msgctl syscall is defined */ |
118 | struct linux_sys_msgctl_args { |
119 | syscallarg(int) msqid; |
120 | syscallarg(int) cmd; |
121 | syscallarg(struct linux_msqid_ds *) buf; |
122 | }; |
123 | |
124 | |
125 | #ifdef SYSVMSG |
126 | #ifdef _KERNEL |
127 | __BEGIN_DECLS |
128 | int linux_sys_msgctl(struct lwp *, const struct linux_sys_msgctl_args *, register_t *); |
129 | void linux_to_bsd_msqid_ds(struct linux_msqid_ds *, struct msqid_ds *); |
130 | void linux_to_bsd_msqid64_ds(struct linux_msqid64_ds *, struct msqid_ds *); |
131 | void bsd_to_linux_msqid_ds(struct msqid_ds *, struct linux_msqid_ds *); |
132 | void bsd_to_linux_msqid64_ds(struct msqid_ds *, struct linux_msqid64_ds *); |
133 | __END_DECLS |
134 | #endif /* !_KERNEL */ |
135 | #endif /* !SYSVMSG */ |
136 | |
137 | #endif /* !_LINUX_MSG_H */ |
138 | |