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