xref: /xnu-10002.41.9/bsd/sys/posix_shm.h (revision 699cd48037512bf4380799317ca44ca453c82f57)
1*699cd480SApple OSS Distributions /*
2*699cd480SApple OSS Distributions  * Copyright (c) 1999-2003 Apple Computer, Inc. All rights reserved.
3*699cd480SApple OSS Distributions  *
4*699cd480SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*699cd480SApple OSS Distributions  *
6*699cd480SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*699cd480SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*699cd480SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*699cd480SApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*699cd480SApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*699cd480SApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*699cd480SApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*699cd480SApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*699cd480SApple OSS Distributions  *
15*699cd480SApple OSS Distributions  * Please obtain a copy of the License at
16*699cd480SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*699cd480SApple OSS Distributions  *
18*699cd480SApple OSS Distributions  * The Original Code and all software distributed under the License are
19*699cd480SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*699cd480SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*699cd480SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*699cd480SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*699cd480SApple OSS Distributions  * Please see the License for the specific language governing rights and
24*699cd480SApple OSS Distributions  * limitations under the License.
25*699cd480SApple OSS Distributions  *
26*699cd480SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*699cd480SApple OSS Distributions  */
28*699cd480SApple OSS Distributions /*
29*699cd480SApple OSS Distributions  *	Copyright (c) 1990, 1996-1998 Apple Computer, Inc.
30*699cd480SApple OSS Distributions  *	All Rights Reserved.
31*699cd480SApple OSS Distributions  */
32*699cd480SApple OSS Distributions /*
33*699cd480SApple OSS Distributions  * posix_shm.c : Support for POSIX shared memory APIs
34*699cd480SApple OSS Distributions  *
35*699cd480SApple OSS Distributions  *	File:	posix_shm.c
36*699cd480SApple OSS Distributions  *	Author:	Ananthakrishna Ramesh
37*699cd480SApple OSS Distributions  *
38*699cd480SApple OSS Distributions  * HISTORY
39*699cd480SApple OSS Distributions  * 2-Sep-1999	A.Ramesh
40*699cd480SApple OSS Distributions  *	Created for MacOSX
41*699cd480SApple OSS Distributions  *
42*699cd480SApple OSS Distributions  */
43*699cd480SApple OSS Distributions 
44*699cd480SApple OSS Distributions #ifndef _SYS_POSIX_SHM_H_
45*699cd480SApple OSS Distributions #define _SYS_POSIX_SHM_H_
46*699cd480SApple OSS Distributions 
47*699cd480SApple OSS Distributions #include <sys/appleapiopts.h>
48*699cd480SApple OSS Distributions #include <sys/types.h>
49*699cd480SApple OSS Distributions #include <sys/proc.h>
50*699cd480SApple OSS Distributions 
51*699cd480SApple OSS Distributions struct label;
52*699cd480SApple OSS Distributions 
53*699cd480SApple OSS Distributions #define PSHMNAMLEN      31      /* maximum name segment length we bother with */
54*699cd480SApple OSS Distributions 
55*699cd480SApple OSS Distributions struct pshminfo {
56*699cd480SApple OSS Distributions 	unsigned int pshm_flags;
57*699cd480SApple OSS Distributions 	unsigned int pshm_usecount;
58*699cd480SApple OSS Distributions 	off_t        pshm_length;
59*699cd480SApple OSS Distributions 	mode_t       pshm_mode;
60*699cd480SApple OSS Distributions 	uid_t        pshm_uid;
61*699cd480SApple OSS Distributions 	gid_t        pshm_gid;
62*699cd480SApple OSS Distributions 	char         pshm_name[PSHMNAMLEN + 1];
63*699cd480SApple OSS Distributions 	void         *pshm_memobject;
64*699cd480SApple OSS Distributions 	struct label *pshm_label;
65*699cd480SApple OSS Distributions };
66*699cd480SApple OSS Distributions 
67*699cd480SApple OSS Distributions #endif
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