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 */ 95