4.3BSD - /usr/src/sys/GENERIC/param.c

   1: /*
   2:  * Copyright (c) 1980, 1986 Regents of the University of California.
   3:  * All rights reserved.  The Berkeley software License Agreement
   4:  * specifies the terms and conditions for redistribution.
   5:  *
   6:  *	@(#)param.c	7.1 (Berkeley) 6/5/86
   7:  */
   8: 
   9: #ifndef lint
  10: char copyright[] =
  11: "@(#) Copyright (c) 1980, 1986 Regents of the University of California.\n\
  12:  All rights reserved.\n";
  13: #endif not lint
  14: 
  15: #include "../h/param.h"
  16: #include "../h/systm.h"
  17: #include "../h/socket.h"
  18: #include "../h/dir.h"
  19: #include "../h/user.h"
  20: #include "../h/proc.h"
  21: #include "../h/text.h"
  22: #include "../h/inode.h"
  23: #include "../h/file.h"
  24: #include "../h/callout.h"
  25: #include "../h/clist.h"
  26: #include "../h/cmap.h"
  27: #include "../h/mbuf.h"
  28: #include "../h/quota.h"
  29: #include "../h/kernel.h"
  30: /*
  31:  * System parameter formulae.
  32:  *
  33:  * This file is copied into each directory where we compile
  34:  * the kernel; it should be modified there to suit local taste
  35:  * if necessary.
  36:  *
  37:  * Compiled with -DHZ=xx -DTIMEZONE=x -DDST=x -DMAXUSERS=xx
  38:  */
  39: 
  40: #define HZ 100
  41: int hz = HZ;
  42: int tick = 1000000 / HZ;
  43: int tickadj = 240000 / (60 * HZ);       /* can adjust 240ms in 60s */
  44: struct  timezone tz = { TIMEZONE, DST };
  45: #define NPROC (20 + 8 * MAXUSERS)
  46: int nproc = NPROC;
  47: int ntext = 36 + MAXUSERS;
  48: #define NINODE ((NPROC + 16 + MAXUSERS) + 32)
  49: int ninode = NINODE;
  50: int nchsize = NINODE * 11 / 10;
  51: int nfile = 16 * (NPROC + 16 + MAXUSERS) / 10 + 32;
  52: int ncallout = 16 + NPROC;
  53: int nclist = 60 + 12 * MAXUSERS;
  54: int     nmbclusters = NMBCLUSTERS;
  55: #ifdef QUOTA
  56: int nquota = (MAXUSERS * 9) / 7 + 3;
  57: int ndquot = NINODE + (MAXUSERS * NMOUNT) / 4;
  58: #endif
  59: 
  60: /*
  61:  * These are initialized at bootstrap time
  62:  * to values dependent on memory size
  63:  */
  64: int nbuf, nswbuf;
  65: 
  66: /*
  67:  * These have to be allocated somewhere; allocating
  68:  * them here forces loader errors if this file is omitted
  69:  * (if they've been externed everywhere else; hah!).
  70:  */
  71: struct  proc *proc, *procNPROC;
  72: struct  text *text, *textNTEXT;
  73: struct  inode *inode, *inodeNINODE;
  74: struct  file *file, *fileNFILE;
  75: struct  callout *callout;
  76: struct  cblock *cfree;
  77: struct  buf *buf, *swbuf;
  78: char    *buffers;
  79: struct  cmap *cmap, *ecmap;
  80: struct  namecache *namecache;
  81: #ifdef QUOTA
  82: struct  quota *quota, *quotaNQUOTA;
  83: struct  dquot *dquot, *dquotNDQUOT;
  84: #endif

Defined variables

Defined macros