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 /*
  23  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
  24  *
  25  * Copyright 1996-2003 Sun Microsystems, Inc.  All rights reserved.
  26  * Use is subject to license terms.
  27  */
  28
  29 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  30 /*        All Rights Reserved   */
  31
  32
  33
  34 #ifndef _SYS_IPC_H
  35 #define _SYS_IPC_H
  36
  37 #include <sys/isa_defs.h>
  38 #include <sys/feature_tests.h>
  39 #include <sys/types.h>
  40
  41 #ifdef  __cplusplus
  42 extern "C" {
  43 #endif
  44
  45 /* Common IPC access structure */
  46
  47 struct ipc_perm {
  48         uid_t           uid;    /* owner's user id */
  49         gid_t           gid;    /* owner's group id */
  50         uid_t           cuid;   /* creator's user id */
  51         gid_t           cgid;   /* creator's group id */
  52         mode_t          mode;   /* access modes */
  53         uint_t          seq;    /* slot usage sequence number */
  54         key_t           key;    /* key */
  55 #if !defined(_LP64)
  56         int             pad[4]; /* reserve area */
  57 #endif
  58 };
  59
  60
  61 /* Common IPC definitions */
  62
  63 /* Mode bits */
  64 #define IPC_ALLOC       0100000         /* entry currently allocated */
  65 #define IPC_CREAT       0001000         /* create entry if key doesn't exist */
  66 #define IPC_EXCL        0002000         /* fail if key exists */
  67 #define IPC_NOWAIT      0004000         /* error if request must wait */
  68
  69 /* Keys */
  70 #define IPC_PRIVATE     (key_t)0        /* private key */
  71
  72
  73 /* Common IPC control commands */
  74 #define IPC_RMID        10      /* remove identifier */
  75 #define IPC_SET         11      /* set options */
  76 #define IPC_STAT        12      /* get options */
  77
  78
  79 #if (!defined(_KERNEL) && !defined(_XOPEN_SOURCE)) || defined(_XPG4_2) || \
  80         defined(__EXTENSIONS__)
  81 key_t ftok(const char *, int);
  82 #endif /* (!defined(_KERNEL) && !defined(_XOPEN_SOURCE))... */
  83
  84 #ifdef  __cplusplus
  85 }
  86 #endif
  87
  88 #endif  /* _SYS_IPC_H */