]> git.saurik.com Git - apple/xnu.git/blame - osfmk/kern/mach_param.h
xnu-517.7.7.tar.gz
[apple/xnu.git] / osfmk / kern / mach_param.h
CommitLineData
1c79356b
A
1/*
2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
e5568f75
A
6 * The contents of this file constitute Original Code as defined in and
7 * are subject to the Apple Public Source License Version 1.1 (the
8 * "License"). You may not use this file except in compliance with the
9 * License. Please obtain a copy of the License at
10 * http://www.apple.com/publicsource and read it before using this file.
1c79356b 11 *
e5568f75
A
12 * This Original Code and all software distributed under the License are
13 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
1c79356b
A
14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
e5568f75
A
16 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17 * License for the specific language governing rights and limitations
18 * under the License.
1c79356b
A
19 *
20 * @APPLE_LICENSE_HEADER_END@
21 */
22/*
23 * @OSF_COPYRIGHT@
24 */
1c79356b
A
25/*
26 * Mach Operating System
27 * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
28 * All Rights Reserved.
29 *
30 * Permission to use, copy, modify and distribute this software and its
31 * documentation is hereby granted, provided that both the copyright
32 * notice and this permission notice appear in all copies of the
33 * software, derivative works or modified versions, and any portions
34 * thereof, and that both notices appear in supporting documentation.
35 *
36 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
37 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
38 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
39 *
40 * Carnegie Mellon requests users of this software to return to
41 *
42 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
43 * School of Computer Science
44 * Carnegie Mellon University
45 * Pittsburgh PA 15213-3890
46 *
47 * any improvements or extensions that they make and grant Carnegie Mellon
48 * the rights to redistribute these changes.
49 */
50/*
51 */
52/*
53 * File: kern/mach_param.h
54 * Author: Avadis Tevanian, Jr., Michael Wayne Young
55 * Date: 1986
56 *
57 * Mach system sizing parameters
58 *
59 */
60
61#ifndef _KERN_MACH_PARAM_H_
62#define _KERN_MACH_PARAM_H_
63
9bccf70c
A
64#include <sys/appleapiopts.h>
65
66#ifdef __APPLE_API_PRIVATE
67#ifdef __APPLE_API_EVOLVING
68
55e303ae 69#define THREAD_MAX 2560 /* Max number of threads */
1c79356b
A
70#define THREAD_CHUNK 64 /* Allocation chunk */
71
72#define TASK_MAX 1024 /* Max number of tasks */
55e303ae 73#define TASK_CHUNK 64 /* Allocation chunk */
1c79356b
A
74
75#define PORT_MAX ((TASK_MAX * 3 + THREAD_MAX) /* kernel */ \
76 + (THREAD_MAX * 2) /* user */ \
77 + 40000) /* slop for objects */
78 /* Number of ports, system-wide */
79
80#define SET_MAX (TASK_MAX + THREAD_MAX + 200)
81 /* Max number of port sets */
82
83#define ITE_MAX (1 << 16) /* Max number of splay tree entries */
84
85#define SPACE_MAX (TASK_MAX + 5) /* Max number of IPC spaces */
86
87#define SEMAPHORE_MAX (PORT_MAX >> 1) /* Maximum number of semaphores */
88
9bccf70c
A
89#endif /* __APPLE_API_EVOLVING */
90#endif /* __APPLE_API_PRIVATE */
91
1c79356b 92#endif /* _KERN_MACH_PARAM_H_ */