1 /* $OpenBSD: linux_msg.h,v 1.2 1996/04/17 05:23:56 mickey Exp $ */
2 /* $NetBSD: linux_msg.h,v 1.2 1995/08/15 21:14:34 fvdl Exp $ */
3
4 /*
5 * Copyright (c) 1995 Frank van der Linden
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed for the NetBSD Project
19 * by Frank van der Linden
20 * 4. The name of the author may not be used to endorse or promote products
21 * derived from this software without specific prior written permission
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 */
34
35 #ifndef _LINUX_MSG_H
36 #define _LINUX_MSG_H
37
38 /*
39 * msq_id_ds structure. Mostly the same fields, except for some internal
40 * ones.
41 */
42 struct linux_msqid_ds {
43 struct linux_ipc_perm l_msg_perm;
44 void *l_msg_first;
45 void *l_msg_last;
46 linux_time_t l_msg_stime;
47 linux_time_t l_msg_rtime;
48 linux_time_t l_msg_ctime;
49 void *l_wwait; /* Linux internal */
50 void *l_rwait; /* Linux internal */
51 ushort l_msg_cbytes;
52 ushort l_msg_qnum;
53 ushort l_msg_qbytes;
54 ushort l_msg_lspid;
55 ushort l_msg_lrpid;
56 };
57
58 #define LINUX_MSG_NOERROR 0x1000
59 #define LINUX_MSG_EXCEPT 0x2000
60
61 /*
62 * The notorious anonymous message structure.
63 */
64 struct linux_mymsg {
65 long l_mtype;
66 char l_mtext[1];
67 };
68
69 /*
70 * This kludge is used for the 6th argument to the msgrcv system
71 * call, to get around the maximum of 5 arguments to a syscall in Linux.
72 */
73 struct linux_msgrcv_msgarg {
74 struct linux_mymsg *msg;
75 int type;
76 };
77 /*
78 * For msgctl calls.
79 */
80 struct linux_msginfo {
81 int l_msgpool;
82 int l_msgmap;
83 int l_msgmax;
84 int l_msgmnb;
85 int l_msgmni;
86 int l_msgssz;
87 int l_msgtql;
88 ushort l_msgseg;
89 };
90
91 #define LINUX_MSG_STAT 11
92 #define LINUX_MSG_INFO 12
93
94 #endif /* _LINUX_MSG_H */