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96 lines
2.9 KiB
96 lines
2.9 KiB
/* $Id: param.c,v 1.1.1.1 2006/09/14 01:59:08 root Exp $ */
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/*
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* Copyright (c) 1980, 1986, 1989 Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)param.c 7.20 (Berkeley) 6/27/91
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*/
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#include "sys/param.h"
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#include "sys/systm.h"
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#include "sys/callout.h"
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#include "sys/filedesc.h"
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#include "sys/mbuf.h"
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/*
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* System parameter formulae.
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*
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* This file is copied into each directory where we compile
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* the kernel; it should be modified there to suit local taste
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* if necessary.
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*
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* Compiled with -DHZ=xx -DTIMEZONE=x -DDST=x
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*/
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#ifndef HZ
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#define HZ 100
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#endif
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int hz;
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int tick;
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#ifndef TIMEZONE
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#define TIMEZONE 0
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#endif
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#ifndef DST
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#define DST 0
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#endif
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struct timezone tz;
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#ifndef NPROC
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#define NPROC 3
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#endif
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int ncallout;
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int nmbclusters;
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int maxfiles;
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/*
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* These have to be allocated somewhere; allocating
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* them here forces loader errors if this file is omitted
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* (if they've been externed everywhere else; hah!).
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*/
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struct callout *callout;
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void
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paraminit ()
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{
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hz = HZ;
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tick = 1000000 / HZ;
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tz.tz_minuteswest = TIMEZONE;
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tz.tz_dsttime = DST;
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ncallout = 16 + NPROC;
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nmbclusters = NMBCLUSTERS;
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maxfiles = NDFILE * NPROC;
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}
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