10Sstevel@tonic-gate /* 20Sstevel@tonic-gate * CDDL HEADER START 30Sstevel@tonic-gate * 40Sstevel@tonic-gate * The contents of this file are subject to the terms of the 50Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 60Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 70Sstevel@tonic-gate * with the License. 80Sstevel@tonic-gate * 90Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 100Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 110Sstevel@tonic-gate * See the License for the specific language governing permissions 120Sstevel@tonic-gate * and limitations under the License. 130Sstevel@tonic-gate * 140Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 150Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 160Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 170Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 180Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 190Sstevel@tonic-gate * 200Sstevel@tonic-gate * CDDL HEADER END 210Sstevel@tonic-gate */ 220Sstevel@tonic-gate /* 230Sstevel@tonic-gate * Copyright 1987 Sun Microsystems, Inc. All rights reserved. 240Sstevel@tonic-gate * Use is subject to license terms. 250Sstevel@tonic-gate */ 260Sstevel@tonic-gate 270Sstevel@tonic-gate /* Copyright (c) 1984 AT&T */ 280Sstevel@tonic-gate /* All Rights Reserved */ 290Sstevel@tonic-gate 30*722Smuffin #ifndef _sys_msg_h 31*722Smuffin #define _sys_msg_h 32*722Smuffin 330Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 340Sstevel@tonic-gate 350Sstevel@tonic-gate /* 360Sstevel@tonic-gate * IPC Message Facility. 370Sstevel@tonic-gate */ 380Sstevel@tonic-gate 390Sstevel@tonic-gate /* 400Sstevel@tonic-gate * Message Operation Flags. 410Sstevel@tonic-gate */ 420Sstevel@tonic-gate #define MSG_NOERROR 010000 /* no error if big message */ 430Sstevel@tonic-gate 440Sstevel@tonic-gate /* 450Sstevel@tonic-gate * Structure Definitions. 460Sstevel@tonic-gate */ 470Sstevel@tonic-gate 480Sstevel@tonic-gate /* 490Sstevel@tonic-gate * There is one msg queue id data structure for each q in the system. 500Sstevel@tonic-gate */ 510Sstevel@tonic-gate 520Sstevel@tonic-gate struct msqid_ds { 530Sstevel@tonic-gate struct ipc_perm msg_perm; /* operation permission struct */ 540Sstevel@tonic-gate struct msg *msg_first; /* ptr to first message on q */ 550Sstevel@tonic-gate struct msg *msg_last; /* ptr to last message on q */ 560Sstevel@tonic-gate ushort msg_cbytes; /* current # bytes on q */ 570Sstevel@tonic-gate ushort msg_qnum; /* # of messages on q */ 580Sstevel@tonic-gate ushort msg_qbytes; /* max # of bytes on q */ 590Sstevel@tonic-gate ushort msg_lspid; /* pid of last msgsnd */ 600Sstevel@tonic-gate ushort msg_lrpid; /* pid of last msgrcv */ 610Sstevel@tonic-gate time_t msg_stime; /* last msgsnd time */ 620Sstevel@tonic-gate time_t msg_rtime; /* last msgrcv time */ 630Sstevel@tonic-gate time_t msg_ctime; /* last change time */ 640Sstevel@tonic-gate }; 650Sstevel@tonic-gate 660Sstevel@tonic-gate /* 670Sstevel@tonic-gate * User message buffer template for msgsnd and msgrcv system calls. 680Sstevel@tonic-gate */ 690Sstevel@tonic-gate 700Sstevel@tonic-gate /* HACK :: change the name when compiling the kernel to avoid conflicts */ 710Sstevel@tonic-gate struct msgbuf { 720Sstevel@tonic-gate long mtype; /* message type */ 730Sstevel@tonic-gate char mtext[1]; /* message text */ 740Sstevel@tonic-gate }; 750Sstevel@tonic-gate 760Sstevel@tonic-gate /* 770Sstevel@tonic-gate * There is one msg structure for each message that may be in the system. 780Sstevel@tonic-gate */ 790Sstevel@tonic-gate 800Sstevel@tonic-gate struct msg { 810Sstevel@tonic-gate struct msg *msg_next; /* ptr to next message on q */ 820Sstevel@tonic-gate long msg_type; /* message type */ 830Sstevel@tonic-gate ushort msg_ts; /* message text size */ 840Sstevel@tonic-gate ushort msg_spot; /* message text map address */ 850Sstevel@tonic-gate }; 860Sstevel@tonic-gate 87*722Smuffin #endif /* !_sys_msg_h */ 88