1 /* $NetBSD: linux_shm.h,v 1.1 1995/02/28 23:25:57 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_SHM_H 35 #define _LINUX_SHM_H 36 37 /* 38 * shm segment control structure 39 */ 40 struct linux_shmid_ds { 41 struct linux_ipc_perm l_shm_perm; 42 int l_shm_segsz; 43 linux_time_t l_shm_atime; 44 linux_time_t l_shm_dtime; 45 linux_time_t l_shm_ctime; 46 ushort l_shm_cpid; 47 ushort l_shm_lpid; 48 short l_shm_nattch; 49 ushort l_private1; 50 void *l_private2; 51 void *l_private3; 52 }; 53 54 #define LINUX_SHM_RDONLY 0x1000 55 #define LINUX_SHM_RND 0x2000 56 #define LINUX_SHM_REMAP 0x4000 57 58 #define LINUX_SHM_LOCK 11 59 #define LINUX_SHM_UNLOCK 12 60 #define LINUX_SHM_STAT 13 61 #define LINUX_SHM_INFO 14 62 63 #endif /* _LINUX_SHM_H */ 64