17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 77c478bd9Sstevel@tonic-gate * with the License. 87c478bd9Sstevel@tonic-gate * 97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 127c478bd9Sstevel@tonic-gate * and limitations under the License. 137c478bd9Sstevel@tonic-gate * 147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 197c478bd9Sstevel@tonic-gate * 207c478bd9Sstevel@tonic-gate * CDDL HEADER END 217c478bd9Sstevel@tonic-gate */ 227c478bd9Sstevel@tonic-gate /* 237c478bd9Sstevel@tonic-gate * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate /* Copyright (c) 1984 AT&T */ 287c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 297c478bd9Sstevel@tonic-gate 30*5d54f3d8Smuffin #ifndef _sys_shm_h 31*5d54f3d8Smuffin #define _sys_shm_h 32*5d54f3d8Smuffin 337c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 347c478bd9Sstevel@tonic-gate 357c478bd9Sstevel@tonic-gate /* 367c478bd9Sstevel@tonic-gate * IPC Shared Memory Facility. 377c478bd9Sstevel@tonic-gate */ 387c478bd9Sstevel@tonic-gate 397c478bd9Sstevel@tonic-gate #include <sys/param.h> 407c478bd9Sstevel@tonic-gate /* #include <machine/mmu.h> */ 417c478bd9Sstevel@tonic-gate 427c478bd9Sstevel@tonic-gate /* 437c478bd9Sstevel@tonic-gate * Shared Memory Operation Flags. 447c478bd9Sstevel@tonic-gate */ 457c478bd9Sstevel@tonic-gate 467c478bd9Sstevel@tonic-gate #define SHM_RDONLY 010000 /* attach read-only (else read-write) */ 477c478bd9Sstevel@tonic-gate #define SHM_RND 020000 /* round attach address to SHMLBA */ 487c478bd9Sstevel@tonic-gate 497c478bd9Sstevel@tonic-gate /* 507c478bd9Sstevel@tonic-gate * Shmctl Command Definitions. 517c478bd9Sstevel@tonic-gate */ 527c478bd9Sstevel@tonic-gate 537c478bd9Sstevel@tonic-gate #define SHM_LOCK 3 /* Lock segment in core */ 547c478bd9Sstevel@tonic-gate #define SHM_UNLOCK 4 /* Unlock segment */ 557c478bd9Sstevel@tonic-gate 567c478bd9Sstevel@tonic-gate /* 577c478bd9Sstevel@tonic-gate * Implementation Constants. 587c478bd9Sstevel@tonic-gate */ 597c478bd9Sstevel@tonic-gate #define SHMLBA PAGESIZE /* segment low boundary address multiple */ 607c478bd9Sstevel@tonic-gate /* (SHMLBA must be a power of 2) */ 617c478bd9Sstevel@tonic-gate 627c478bd9Sstevel@tonic-gate /* 637c478bd9Sstevel@tonic-gate * Structure Definitions. 647c478bd9Sstevel@tonic-gate */ 657c478bd9Sstevel@tonic-gate 667c478bd9Sstevel@tonic-gate /* 677c478bd9Sstevel@tonic-gate * There is a shared mem id data structure for each segment in the system. 687c478bd9Sstevel@tonic-gate */ 697c478bd9Sstevel@tonic-gate 707c478bd9Sstevel@tonic-gate struct shmid_ds { 717c478bd9Sstevel@tonic-gate struct ipc_perm shm_perm; /* operation permission struct */ 727c478bd9Sstevel@tonic-gate uint shm_segsz; /* size of segment in bytes */ 737c478bd9Sstevel@tonic-gate ushort shm_lpid; /* pid of last shmop */ 747c478bd9Sstevel@tonic-gate ushort shm_cpid; /* pid of creator */ 757c478bd9Sstevel@tonic-gate ushort shm_nattch; /* number of current attaches */ 767c478bd9Sstevel@tonic-gate time_t shm_atime; /* last shmat time */ 777c478bd9Sstevel@tonic-gate time_t shm_dtime; /* last shmdt time */ 787c478bd9Sstevel@tonic-gate time_t shm_ctime; /* last change time */ 797c478bd9Sstevel@tonic-gate struct anon_map *shm_amp; /* segment anon_map pointer */ 807c478bd9Sstevel@tonic-gate }; 817c478bd9Sstevel@tonic-gate 827c478bd9Sstevel@tonic-gate #endif /* !_sys_shm_h */ 83