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	1	/*
	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
	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.
	11	*
	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
	14	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	15	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	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.
	19	*
	20	* @APPLE_LICENSE_HEADER_END@
	21	*/
	22	/*
	23	* @OSF_COPYRIGHT@
	24	*/
	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
	64	#include <sys/appleapiopts.h>
	65
	66	#ifdef __APPLE_API_PRIVATE
	67	#ifdef __APPLE_API_EVOLVING
	68
	69	#define THREAD_MAX 1024 /* Max number of threads */
	70	#define THREAD_CHUNK 64 /* Allocation chunk */
	71
	72	#define TASK_MAX 1024 /* Max number of tasks */
	73	#define TASK_CHUNK 64 /* Allocation chunk */
	74
	75	#define ACT_MAX 1024 /* Max number of acts */
	76	#define ACT_CHUNK 64 /* Allocation chunk */
	77
	78	#define THREAD_POOL_MAX 1024 /* Max number of thread_pools */
	79	#define THREAD_POOL_CHUNK 64 /* Allocation chunk */
	80
	81	#define PORT_MAX ((TASK_MAX * 3 + THREAD_MAX) /* kernel */ \
	82	+ (THREAD_MAX * 2) /* user */ \
	83	+ 40000) /* slop for objects */
	84	/* Number of ports, system-wide */
	85
	86	#define SET_MAX (TASK_MAX + THREAD_MAX + 200)
	87	/* Max number of port sets */
	88
	89	#define ITE_MAX (1 << 16) /* Max number of splay tree entries */
	90
	91	#define SPACE_MAX (TASK_MAX + 5) /* Max number of IPC spaces */
	92
	93	#define SEMAPHORE_MAX (PORT_MAX >> 1) /* Maximum number of semaphores */
	94
	95	#endif /* __APPLE_API_EVOLVING */
	96	#endif /* __APPLE_API_PRIVATE */
	97
	98	#endif /* _KERN_MACH_PARAM_H_ */