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/*
* Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* Copyright (c) 1988 University of Utah.
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
* (c) UNIX System Laboratories, Inc.
* All or some portions of this file are derived from material licensed
* to the University of California by American Telephone and Telegraph
* Co. or Unix System Laboratories, Inc. and are reproduced herein with
* the permission of UNIX System Laboratories, Inc.
*
* This code is derived from software contributed to Berkeley by
* the Systems Programming Group of the University of Utah Computer
* Science Department.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)ipc.h 8.4 (Berkeley) 2/19/95
*/
/*
* SVID compatible ipc.h file
*/
#ifndef _SYS_IPC_H_
#define _SYS_IPC_H_
#include <sys/appleapiopts.h>
#include <sys/cdefs.h>
#include <sys/_types.h>
/*
* [XSI] The uid_t, gid_t, mode_t, and key_t types SHALL be defined as
* described in <sys/types.h>.
*/
#include <sys/_types/_uid_t.h>
#include <sys/_types/_gid_t.h>
#include <sys/_types/_mode_t.h>
#include <sys/_types/_key_t.h>
#pragma pack(4)
/*
* Technically, we should force all code references to the new structure
* definition, not in just the standards conformance case, and leave the
* legacy interface there for binary compatibility only. Currently, we
* are only forcing this for programs requesting standards conformance.
*/
#if __DARWIN_UNIX03 || defined(KERNEL)
/*
* [XSI] Information used in determining permission to perform an IPC
* operation
*/
struct ipc_perm {
uid_t uid; /* [XSI] Owner's user ID */
gid_t gid; /* [XSI] Owner's group ID */
uid_t cuid; /* [XSI] Creator's user ID */
gid_t cgid; /* [XSI] Creator's group ID */
mode_t mode; /* [XSI] Read/write permission */
unsigned short _seq; /* Reserved for internal use */
key_t _key; /* Reserved for internal use */
};
#define __ipc_perm_new ipc_perm
#else /* !__DARWIN_UNIX03 */
#define ipc_perm __ipc_perm_old
#endif /* !__DARWIN_UNIX03 */
#if !__DARWIN_UNIX03
/*
* Legacy structure; this structure is maintained for binary backward
* compatability with previous versions of the interface. New code
* should not use this interface, since ID values may be truncated.
*/
struct __ipc_perm_old {
__uint16_t cuid; /* Creator's user ID */
__uint16_t cgid; /* Creator's group ID */
__uint16_t uid; /* Owner's user ID */
__uint16_t gid; /* Owner's group ID */
mode_t mode; /* Read/Write permission */
__uint16_t seq; /* Reserved for internal use */
key_t key; /* Reserved for internal use */
};
#endif /* !__DARWIN_UNIX03 */
#pragma pack()
/*
* [XSI] Definitions shall be provided for the following constants:
*/
/* Mode bits */
#define IPC_CREAT 001000 /* Create entry if key does not exist */
#define IPC_EXCL 002000 /* Fail if key exists */
#define IPC_NOWAIT 004000 /* Error if request must wait */
/* Keys */
#define IPC_PRIVATE ((key_t)0) /* Private key */
/* Control commands */
#define IPC_RMID 0 /* Remove identifier */
#define IPC_SET 1 /* Set options */
#define IPC_STAT 2 /* Get options */
#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
/* common mode bits */
#define IPC_R 000400 /* Read permission */
#define IPC_W 000200 /* Write/alter permission */
#define IPC_M 010000 /* Modify control info permission */
#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
__BEGIN_DECLS
/* [XSI] */
key_t ftok(const char *, int);
__END_DECLS
#endif /* !_SYS_IPC_H_ */
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