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Annotation of kernel/kern/mach_param.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
                      7:  * Reserved.  This file contains Original Code and/or Modifications of
                      8:  * Original Code as defined in and that are subject to the Apple Public
                      9:  * Source License Version 1.1 (the "License").  You may not use this file
                     10:  * except in compliance with the License.  Please obtain a copy of the
                     11:  * License at http://www.apple.com/publicsource and read it before using
                     12:  * this file.
                     13:  * 
                     14:  * The Original Code and all software distributed under the License are
                     15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
                     19:  * License for the specific language governing rights and limitations
                     20:  * under the License.
                     21:  * 
                     22:  * @APPLE_LICENSE_HEADER_END@
                     23:  */
                     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  [email protected]
                     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:  *     File:   kern/mach_param.h
                     52:  *     Author: Avadis Tevanian, Jr., Michael Wayne Young
                     53:  *     Date:   1986
                     54:  *
                     55:  *     Mach system sizing parameters
                     56:  *
                     57:  */
                     58: 
                     59: #ifndef        _KERN_MACH_PARAM_H_
                     60: #define _KERN_MACH_PARAM_H_
                     61: 
                     62: #define THREAD_MAX     512             /* Max number of threads */
                     63: #define THREAD_CHUNK   64              /* Allocation chunk */
                     64: 
                     65: #define TASK_MAX       512             /* Max number of tasks */
                     66: #define TASK_CHUNK     64              /* Allocation chunk */
                     67: 
                     68: #define PORT_MAX       ((TASK_MAX * 3 + THREAD_MAX)    /* kernel */ \
                     69:                                + (THREAD_MAX * 2)      /* user */ \
                     70:                                + 20000)                /* slop for objects */
                     71:                                        /* Number of ports, system-wide */
                     72: 
                     73: #define SET_MAX                (TASK_MAX + THREAD_MAX + 200)
                     74:                                        /* Max number of port sets */
                     75: 
                     76: #define        ITE_MAX         (1 << 16)       /* Max number of splay tree entries */
                     77: 
                     78: #define        SPACE_MAX       (TASK_MAX + 5)  /* Max number of IPC spaces */
                     79: 
                     80: #define        IMAR_MAX        (1 << 10)       /* Max number of msg-accepted reqs */
                     81: 
                     82: #define KERN_MSG_SMALL_SIZE    128     /* Size of small kernel message */
                     83: 
                     84: #endif /* _KERN_MACH_PARAM_H_ */

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