osfmk/kern/mach_param.h

   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  * HISTORY
  27  *
  28  * Revision 1.1.1.1  1998/09/22 21:05:34  wsanchez
  29  * Import of Mac OS X kernel (~semeria)
  30  *
  31  * Revision 1.1.1.1  1998/03/07 02:25:55  wsanchez
  32  * Import of OSF Mach kernel (~mburg)
  33  *
  34  * Revision 1.1.9.1  1994/09/23  02:22:28  ezf
  35  *      change marker to not FREE
  36  *      [1994/09/22  21:34:35  ezf]
  37  *
  38  * Revision 1.1.7.1  1994/01/12  17:54:33  dwm
  39  *      Coloc: initial restructuring to follow Utah model.
  40  *      added various maxima for act/thread_pool zones
  41  *      [1994/01/12  17:29:08  dwm]
  42  *
  43  * Revision 1.1.3.3  1993/06/07  22:13:58  jeffc
  44  *      CR9176 - ANSI C violations: trailing tokens on CPP
  45  *      directives, extra semicolons after decl_ ..., asm keywords
  46  *      [1993/06/07  19:06:04  jeffc]
  47  *
  48  * Revision 1.1.3.2  1993/06/02  23:38:46  jeffc
  49  *      Added to OSF/1 R1.3 from NMK15.0.
  50  *      [1993/06/02  21:13:30  jeffc]
  51  *
  52  * Revision 1.1  1992/09/30  02:29:52  robert
  53  *      Initial revision
  54  *
  55  * $EndLog$
  56  */
  57 /* CMU_HIST */
  58 /*
  59  * Revision 2.5.2.1  92/03/03  16:20:11  jeffreyh
  60  *      19-Feb-92 David L. Black (dlb) at Open Software Foundation
  61  *              Double object slop in PORT_MAX, allow for extra (non-task)
  62  *      ipc spaces (e.g. ipc_space_remote) in SPACE_MAX
  63  *      [92/02/26  11:54:50  jeffreyh]
  64  *
  65  * Revision 2.5  91/05/14  16:44:25  mrt
  66  *      Correcting copyright
  67  *
  68  * Revision 2.4  91/02/05  17:27:56  mrt
  69  *      Changed to new Mach copyright
  70  *      [91/02/01  16:15:07  mrt]
  71  *
  72  * Revision 2.3  90/06/02  14:55:13  rpd
  73  *      Added new IPC parameters.
  74  *      [90/03/26  22:11:55  rpd]
  75  *
  76  *
  77  * Condensed history:
  78  *      Moved TASK_MAX, PORT_MAX, etc. here from mach/mach_param.h (rpd).
  79  */
  80 /* CMU_ENDHIST */
  81 /*
  82  * Mach Operating System
  83  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
  84  * All Rights Reserved.
  85  *
  86  * Permission to use, copy, modify and distribute this software and its
  87  * documentation is hereby granted, provided that both the copyright
  88  * notice and this permission notice appear in all copies of the
  89  * software, derivative works or modified versions, and any portions
  90  * thereof, and that both notices appear in supporting documentation.
  91  *
  92  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  93  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  94  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  95  *
  96  * Carnegie Mellon requests users of this software to return to
  97  *
  98  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  99  *  School of Computer Science
 100  *  Carnegie Mellon University
 101  *  Pittsburgh PA 15213-3890
 102  *
 103  * any improvements or extensions that they make and grant Carnegie Mellon
 104  * the rights to redistribute these changes.
 105  */
 106 /*
 107  */
 108 /*
 109  *      File:   kern/mach_param.h
 110  *      Author: Avadis Tevanian, Jr., Michael Wayne Young
 111  *      Date:   1986
 112  *
 113  *      Mach system sizing parameters
 114  *
 115  */
 116
 117 #ifndef _KERN_MACH_PARAM_H_
 118 #define _KERN_MACH_PARAM_H_
 119
 120 #define THREAD_MAX      1024            /* Max number of threads */
 121 #define THREAD_CHUNK    64              /* Allocation chunk */
 122
 123 #define TASK_MAX        1024            /* Max number of tasks */
 124 #define TASK_CHUNK      64              /* Allocation chunk */
 125
 126 #define ACT_MAX         1024            /* Max number of acts */
 127 #define ACT_CHUNK       64              /* Allocation chunk */
 128
 129 #define THREAD_POOL_MAX 1024            /* Max number of thread_pools */
 130 #define THREAD_POOL_CHUNK 64            /* Allocation chunk */
 131
 132 #define PORT_MAX        ((TASK_MAX * 3 + THREAD_MAX)    /* kernel */ \
 133                                 + (THREAD_MAX * 2)      /* user */ \
 134                                 + 40000)                /* slop for objects */
 135                                         /* Number of ports, system-wide */
 136
 137 #define SET_MAX         (TASK_MAX + THREAD_MAX + 200)
 138                                         /* Max number of port sets */
 139
 140 #define ITE_MAX         (1 << 16)       /* Max number of splay tree entries */
 141
 142 #define SPACE_MAX       (TASK_MAX + 5)  /* Max number of IPC spaces */
 143
 144 #define SEMAPHORE_MAX   (PORT_MAX >> 1) /* Maximum number of semaphores */
 145
 146 #endif  /* _KERN_MACH_PARAM_H_ */