[apple/xnu.git] / osfmk / kern / mach_param.h

/*
 * Copyright (c) 2000 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@
 */
/*
 * @OSF_COPYRIGHT@
 */
/* 
 * Mach Operating System
 * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
 * All Rights Reserved.
 * 
 * Permission to use, copy, modify and distribute this software and its
 * documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 * 
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 * 
 * Carnegie Mellon requests users of this software to return to
 * 
 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 * 
 * any improvements or extensions that they make and grant Carnegie Mellon
 * the rights to redistribute these changes.
 */
/*
 */
/*
 *	File:	kern/mach_param.h
 *	Author:	Avadis Tevanian, Jr., Michael Wayne Young
 *	Date:	1986
 *
 *	Mach system sizing parameters
 *
 */

#ifdef	XNU_KERNEL_PRIVATE

#ifndef	_KERN_MACH_PARAM_H_
#define _KERN_MACH_PARAM_H_

extern int thread_max, task_threadmax, task_max;


#define THREAD_CHUNK	64		/* Allocation chunk */
#define TASK_CHUNK		64		/* Allocation chunk */

#define PORT_MAX	((task_max * 3 + thread_max)	/* kernel */ \
				+ (thread_max * 2)	/* user */ \
				+ 40000)		/* slop for objects */
					/* Number of ports, system-wide */

#define SET_MAX		(task_max + (thread_max * 2) + 200)
					/* Max number of port sets */

#define	SPACE_MAX	(task_max + 5)	/* Max number of IPC spaces */

#define SEMAPHORE_MAX   (PORT_MAX >> 1)	/* Maximum number of semaphores */

#endif	/* _KERN_MACH_PARAM_H_ */

#endif	/* XNU_KERNEL_PRIVATE */
Commit	Line	Data
1c79356b A	1	/*
	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
	3	*
2d21ac55	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
1c79356b	5	*
2d21ac55 A	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 License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
8f6c56a5	14	*
2d21ac55 A	15	* Please obtain a copy of the License at
	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
	17	*
	18	* The Original Code and all software distributed under the License are
	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
8f6c56a5 A	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
8f6c56a5 A	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
2d21ac55 A	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
	24	* limitations under the License.
8f6c56a5	25	*
2d21ac55	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
1c79356b A	27	*/
	28	/*
	29	* @OSF_COPYRIGHT@
	30	*/
1c79356b A	31	/*
	32	* Mach Operating System
	33	* Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
	34	* All Rights Reserved.
	35	*
	36	* Permission to use, copy, modify and distribute this software and its
	37	* documentation is hereby granted, provided that both the copyright
	38	* notice and this permission notice appear in all copies of the
	39	* software, derivative works or modified versions, and any portions
	40	* thereof, and that both notices appear in supporting documentation.
	41	*
	42	* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
	43	* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
	44	* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
	45	*
	46	* Carnegie Mellon requests users of this software to return to
	47	*
	48	* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
	49	* School of Computer Science
	50	* Carnegie Mellon University
	51	* Pittsburgh PA 15213-3890
	52	*
	53	* any improvements or extensions that they make and grant Carnegie Mellon
	54	* the rights to redistribute these changes.
	55	*/
	56	/*
	57	*/
	58	/*
	59	* File: kern/mach_param.h
	60	* Author: Avadis Tevanian, Jr., Michael Wayne Young
	61	* Date: 1986
	62	*
	63	* Mach system sizing parameters
	64	*
	65	*/
	66
91447636 A	67	#ifdef XNU_KERNEL_PRIVATE
91447636 A	68
1c79356b A	69	#ifndef _KERN_MACH_PARAM_H_
	70	#define _KERN_MACH_PARAM_H_
	71
b0d623f7 A	72	extern int thread_max, task_threadmax, task_max;
b0d623f7 A	73
1c79356b	74
2d21ac55 A	75	#define THREAD_CHUNK 64 /* Allocation chunk */
2d21ac55 A	76	#define TASK_CHUNK 64 /* Allocation chunk */
1c79356b	77
b0d623f7 A	78	#define PORT_MAX ((task_max * 3 + thread_max) /* kernel */ \
b0d623f7 A	79	+ (thread_max * 2) /* user */ \
1c79356b A	80	+ 40000) /* slop for objects */
	81	/* Number of ports, system-wide */
	82
6d2010ae	83	#define SET_MAX (task_max + (thread_max * 2) + 200)
1c79356b A	84	/* Max number of port sets */
1c79356b A	85
b0d623f7	86	#define SPACE_MAX (task_max + 5) /* Max number of IPC spaces */
1c79356b A	87
	88	#define SEMAPHORE_MAX (PORT_MAX >> 1) /* Maximum number of semaphores */
	89
	90	#endif /* _KERN_MACH_PARAM_H_ */
91447636 A	91
91447636 A	92	#endif /* XNU_KERNEL_PRIVATE */