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1/*
2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3 *
8ad349bb 4 * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
1c79356b 5 *
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6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the
10 * License may not be used to create, or enable the creation or
11 * redistribution of, unlawful or unlicensed copies of an Apple operating
12 * system, or to circumvent, violate, or enable the circumvention or
13 * violation of, any terms of an Apple operating system software license
14 * agreement.
15 *
16 * Please obtain a copy of the License at
17 * http://www.opensource.apple.com/apsl/ and read it before using this
18 * file.
19 *
20 * The Original Code and all software distributed under the License are
21 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
22 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
23 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
24 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
25 * Please see the License for the specific language governing rights and
26 * limitations under the License.
27 *
28 * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
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29 */
30/*
31 * @OSF_COPYRIGHT@
32 */
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33/*
34 * Mach Operating System
35 * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
36 * All Rights Reserved.
37 *
38 * Permission to use, copy, modify and distribute this software and its
39 * documentation is hereby granted, provided that both the copyright
40 * notice and this permission notice appear in all copies of the
41 * software, derivative works or modified versions, and any portions
42 * thereof, and that both notices appear in supporting documentation.
43 *
44 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
45 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
46 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
47 *
48 * Carnegie Mellon requests users of this software to return to
49 *
50 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
51 * School of Computer Science
52 * Carnegie Mellon University
53 * Pittsburgh PA 15213-3890
54 *
55 * any improvements or extensions that they make and grant Carnegie Mellon
56 * the rights to redistribute these changes.
57 */
58/*
59 */
60/*
61 * File: kern/mach_param.h
62 * Author: Avadis Tevanian, Jr., Michael Wayne Young
63 * Date: 1986
64 *
65 * Mach system sizing parameters
66 *
67 */
68
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69#ifdef XNU_KERNEL_PRIVATE
70
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71#ifndef _KERN_MACH_PARAM_H_
72#define _KERN_MACH_PARAM_H_
73
55e303ae 74#define THREAD_MAX 2560 /* Max number of threads */
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75#define THREAD_CHUNK 64 /* Allocation chunk */
76
77#define TASK_MAX 1024 /* Max number of tasks */
55e303ae 78#define TASK_CHUNK 64 /* Allocation chunk */
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79
80#define PORT_MAX ((TASK_MAX * 3 + THREAD_MAX) /* kernel */ \
81 + (THREAD_MAX * 2) /* user */ \
82 + 40000) /* slop for objects */
83 /* Number of ports, system-wide */
84
85#define SET_MAX (TASK_MAX + THREAD_MAX + 200)
86 /* Max number of port sets */
87
88#define ITE_MAX (1 << 16) /* Max number of splay tree entries */
89
90#define SPACE_MAX (TASK_MAX + 5) /* Max number of IPC spaces */
91
92#define SEMAPHORE_MAX (PORT_MAX >> 1) /* Maximum number of semaphores */
93
94#endif /* _KERN_MACH_PARAM_H_ */
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95
96#endif /* XNU_KERNEL_PRIVATE */