linux_msg.h revision 1.3 1 /* $NetBSD: linux_msg.h,v 1.3 1998/10/01 03:48:32 erh 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 _COMMON_LINUX_MSG_H
71 #define _COMMON_LINUX_MSG_H
72
73 #include <sys/msg.h>
74
75 /*
76 * msq_id_ds structure. Mostly the same fields, except for some internal
77 * ones.
78 */
79 struct linux_msqid_ds {
80 struct linux_ipc_perm l_msg_perm;
81 void *l_msg_first;
82 void *l_msg_last;
83 linux_time_t l_msg_stime;
84 linux_time_t l_msg_rtime;
85 linux_time_t l_msg_ctime;
86 void *l_wwait; /* Linux internal */
87 void *l_rwait; /* Linux internal */
88 ushort l_msg_cbytes;
89 ushort l_msg_qnum;
90 ushort l_msg_qbytes;
91 ushort l_msg_lspid;
92 ushort l_msg_lrpid;
93 };
94
95 #define LINUX_MSG_NOERROR 0x1000
96 #define LINUX_MSG_EXCEPT 0x2000
97
98 /*
99 * The notorious anonymous message structure.
100 */
101 struct linux_mymsg {
102 long l_mtype;
103 char l_mtext[1];
104 };
105
106 /*
107 * This kludge is used for the 6th argument to the msgrcv system
108 * call, to get around the maximum of 5 arguments to a syscall in Linux.
109 */
110 struct linux_msgrcv_msgarg {
111 struct linux_mymsg *msg;
112 int type;
113 };
114 /*
115 * For msgctl calls.
116 */
117 struct linux_msginfo {
118 int l_msgpool;
119 int l_msgmap;
120 int l_msgmax;
121 int l_msgmnb;
122 int l_msgmni;
123 int l_msgssz;
124 int l_msgtql;
125 ushort l_msgseg;
126 };
127
128 #define LINUX_MSG_STAT 11
129 #define LINUX_MSG_INFO 12
130
131 /* Pretend the sys_msgctl syscall is defined */
132 struct linux_sys_msgctl_args {
133 syscallarg(int) msqid;
134 syscallarg(int) cmd;
135 syscallarg(struct linux_msqid_ds *) buf;
136 };
137
138
139 #ifdef SYSVMSG
140 #ifdef _KERNEL
141 __BEGIN_DECLS
142 int linux_sys_msgctl __P((struct proc *, void *, register_t *));
143 void linux_to_bsd_msqid_ds __P((struct linux_msqid_ds *,
144 struct msqid_ds *));
145 void bsd_to_linux_msqid_ds __P((struct msqid_ds *,
146 struct linux_msqid_ds *));
147 __END_DECLS
148 #endif /* !_KERNEL */
149 #endif /* !SYSVMSG */
150
151 #endif /* !_COMMON_LINUX_MSG_H */
152