Annotation of kernel/conf/param.c, 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:  * Copyright (c) 1980, 1986, 1989, 1993
                     27:  *     The Regents of the University of California.  All rights reserved.
                     28:  * (c) UNIX System Laboratories, Inc.
                     29:  * All or some portions of this file are derived from material licensed
                     30:  * to the University of California by American Telephone and Telegraph
                     31:  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
                     32:  * the permission of UNIX System Laboratories, Inc.
                     33:  *
                     34:  * Redistribution and use in source and binary forms, with or without
                     35:  * modification, are permitted provided that the following conditions
                     36:  * are met:
                     37:  * 1. Redistributions of source code must retain the above copyright
                     38:  *    notice, this list of conditions and the following disclaimer.
                     39:  * 2. Redistributions in binary form must reproduce the above copyright
                     40:  *    notice, this list of conditions and the following disclaimer in the
                     41:  *    documentation and/or other materials provided with the distribution.
                     42:  * 3. All advertising materials mentioning features or use of this software
                     43:  *    must display the following acknowledgement:
                     44:  *     This product includes software developed by the University of
                     45:  *     California, Berkeley and its contributors.
                     46:  * 4. Neither the name of the University nor the names of its contributors
                     47:  *    may be used to endorse or promote products derived from this software
                     48:  *    without specific prior written permission.
                     49:  *
                     50:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     51:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     52:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     53:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     54:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     55:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     56:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     57:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     58:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     59:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     60:  * SUCH DAMAGE.
                     61:  *
                     62:  *     @(#)param.c     8.3 (Berkeley) 8/20/94
                     63:  */
                     64: 
                     65: #import <confdep.h>
                     66: #import <sys/param.h>
                     67: #import <sys/systm.h>
                     68: #import <sys/socket.h>
                     69: #import <sys/vnode.h>
                     70: #import <sys/file.h>
                     71: #import <sys/callout.h>
                     72: #import <sys/clist.h>
                     73: #import <sys/mbuf.h>
                     74: #import <sys/domain.h>
                     75: #import <sys/kernel.h>
                     76: #import <ufs/ufs/quota.h>
                     77: #import <ufs/ufs/inode.h>
                     78: #import <miscfs/fifofs/fifo.h>
                     79: 
                     80: struct timezone tz = { TIMEZONE, PST };
                     81: #define        NPROC (20 + 16 * MAXUSERS)
                     82: int    maxproc = NPROC;
                     83: int nprocs = 0; /* XXX */
                     84: #define        NTEXT (80 + NPROC / 8)                  /* actually the object cache */
                     85: #define        NVNODE (NPROC + NTEXT + 300)
                     86: int    desiredvnodes = NVNODE + 350;
                     87: int    maxfiles = 4 * (3 * (NPROC + MAXUSERS) + 80);
                     88: unsigned int   ncallout = 16 + 2*NPROC;
                     89: int nmbclusters = NMBCLUSTERS;
                     90: int    nport = NPROC / 2;
                     91: 
                     92: /*
                     93:  * These have to be allocated somewhere; allocating
                     94:  * them here forces loader errors if this file is omitted
                     95:  * (if they've been externed everywhere else; hah!).
                     96:  */
                     97: struct         callout *callout;
                     98: struct cblock *cfree;
                     99: struct cblock *cfreelist = 0;
                    100: int    cfreecount = 0;
                    101: struct buf *buf;
                    102: char   *buffers;
                    103: struct domain *domains;

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