usr/src/lib/libbc/inc/include/sys/ipc.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*      Copyright (c) 1984 AT&T */
  23 /*        All Rights Reserved   */
  24
  25 #pragma ident   "%Z%%M% %I%     %E% SMI"
  26
  27 /* Common IPC Access Structure */
  28
  29 #ifndef _sys_ipc_h
  30 #define _sys_ipc_h
  31
  32 struct ipc_perm {
  33         ushort  uid;    /* owner's user id */
  34         ushort  gid;    /* owner's group id */
  35         ushort  cuid;   /* creator's user id */
  36         ushort  cgid;   /* creator's group id */
  37         ushort  mode;   /* access modes */
  38         ushort  seq;    /* slot usage sequence number */
  39         key_t   key;    /* key */
  40 };
  41
  42 /* Common IPC Definitions. */
  43 /* Mode bits. */
  44 #define IPC_ALLOC       0100000         /* entry currently allocated */
  45 #define IPC_CREAT       0001000         /* create entry if key doesn't exist */
  46 #define IPC_EXCL        0002000         /* fail if key exists */
  47 #define IPC_NOWAIT      0004000         /* error if request must wait */
  48
  49 /* Keys. */
  50 #define IPC_PRIVATE     (key_t)0        /* private key */
  51
  52 /* Control Commands. */
  53 #define IPC_RMID        0       /* remove identifier */
  54 #define IPC_SET         1       /* set options */
  55 #define IPC_STAT        2       /* get options */
  56
  57 #endif /*!_sys_ipc_h*/