osfmk/kern/mach_param.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * @OSF_COPYRIGHT@
  27  */
  28 /*
  29  * Mach Operating System
  30  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
  31  * All Rights Reserved.
  32  *
  33  * Permission to use, copy, modify and distribute this software and its
  34  * documentation is hereby granted, provided that both the copyright
  35  * notice and this permission notice appear in all copies of the
  36  * software, derivative works or modified versions, and any portions
  37  * thereof, and that both notices appear in supporting documentation.
  38  *
  39  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  40  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  41  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  42  *
  43  * Carnegie Mellon requests users of this software to return to
  44  *
  45  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  46  *  School of Computer Science
  47  *  Carnegie Mellon University
  48  *  Pittsburgh PA 15213-3890
  49  *
  50  * any improvements or extensions that they make and grant Carnegie Mellon
  51  * the rights to redistribute these changes.
  52  */
  53 /*
  54  */
  55 /*
  56  *      File:   kern/mach_param.h
  57  *      Author: Avadis Tevanian, Jr., Michael Wayne Young
  58  *      Date:   1986
  59  *
  60  *      Mach system sizing parameters
  61  *
  62  */
  63
  64 #ifndef _KERN_MACH_PARAM_H_
  65 #define _KERN_MACH_PARAM_H_
  66
  67 #include <sys/appleapiopts.h>
  68
  69 #ifdef  __APPLE_API_PRIVATE
  70 #ifdef  __APPLE_API_EVOLVING
  71
  72 #define THREAD_MAX              2560    /* Max number of threads */
  73 #define THREAD_CHUNK    64              /* Allocation chunk */
  74
  75 #define TASK_MAX        1024            /* Max number of tasks */
  76 #define TASK_CHUNK      64                      /* Allocation chunk */
  77
  78 #define PORT_MAX        ((TASK_MAX * 3 + THREAD_MAX)    /* kernel */ \
  79                                 + (THREAD_MAX * 2)      /* user */ \
  80                                 + 40000)                /* slop for objects */
  81                                         /* Number of ports, system-wide */
  82
  83 #define SET_MAX         (TASK_MAX + THREAD_MAX + 200)
  84                                         /* Max number of port sets */
  85
  86 #define ITE_MAX         (1 << 16)       /* Max number of splay tree entries */
  87
  88 #define SPACE_MAX       (TASK_MAX + 5)  /* Max number of IPC spaces */
  89
  90 #define SEMAPHORE_MAX   (PORT_MAX >> 1) /* Maximum number of semaphores */
  91
  92 #endif  /* __APPLE_API_EVOLVING */
  93 #endif  /* __APPLE_API_PRIVATE */
  94
  95 #endif  /* _KERN_MACH_PARAM_H_ */