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1.1 root 1: /* param.c 6.1 83/07/29 */
2:
3: #include "../h/param.h"
4: #include "../h/systm.h"
5: #include "../h/socket.h"
6: #include "../h/dir.h"
7: #include "../h/user.h"
8: #include "../h/proc.h"
9: #include "../h/text.h"
10: #include "../h/inode.h"
11: #include "../h/file.h"
12: #include "../h/callout.h"
13: #include "../h/clist.h"
14: #include "../h/cmap.h"
15: #include "../h/mbuf.h"
16: #include "../h/quota.h"
17: #include "../h/kernel.h"
18: #include "../h/msg.h"
19:
20: /*
21: * System parameter formulae.
22: *
23: * This file is copied into each directory where we compile
24: * the kernel; it should be modified there to suit local taste
25: * if necessary.
26: *
27: * Compiled with -DHZ=xx -DTIMEZONE=x -DDST=x -DMAXUSERS=xx
28: */
29:
30: int hz = HZ;
31: int tick = 1000000 / HZ;
32: struct timezone tz = { TIMEZONE, DST };
33: #define NPROC (20 + 8 * MAXUSERS)
34: #ifdef SYS5
35: # if NPROC > 511
36: # undef NPROC
37: # define NPROC 511
38: # endif
39: #else
40: # if NPROC > 1023
41: # undef NPROC
42: # define NPROC 1023
43: # endif
44: #endif SYS5
45:
46: int nproc = NPROC;
47:
48: #ifdef INET
49: #define NETSLOP 20 /* for all the lousy servers*/
50: #else
51: #define NETSLOP 0
52: #endif
53: int ntext = 24 + MAXUSERS + NETSLOP;
54: int ninode = (NPROC + 16 + MAXUSERS) + 32;
55: int nfile = 16 * (NPROC + 16 + MAXUSERS) / 10 + 32 + 2 * NETSLOP;
56: int ncallout = 16 + NPROC;
57: int nclist = 100 + 16 * MAXUSERS;
58: int nport = NPROC / 2;
59: int nmbclusters = NMBCLUSTERS;
60: #ifdef QUOTA
61: int nquota = (MAXUSERS * 9)/7 + 3;
62: int ndquot = (MAXUSERS*NMOUNT)/4 + NPROC;
63: #endif
64:
65: #ifdef AUDITTRAIL
66: int naudbuf = (MAXUSERS * 16 + 15) & ~15;
67: #endif AUDITTRAIL
68:
69: #ifdef SYS5
70: int dmshm = DMSHM;
71: int nshmem = SHMMNI;
72: struct shmid_ds *shmem, *shmemNSHMEM;
73: struct shminfo shminfo = {
74: SHMMAX,
75: SHMMIN,
76: SHMMNI,
77: SHMSEG,
78: SHMBRK,
79: SHMALL
80: };
81: struct seminfo seminfo = {
82: SEMMAP,
83: SEMMNI,
84: SEMMNS,
85: SEMMNU,
86: SEMMSL,
87: SEMOPM,
88: SEMUME,
89: SEMUSZ,
90: SEMVMX,
91: SEMAEM
92: };
93: struct msqid_ds *msgque, *msgqueNMSGQUE;
94: int nmsgque = MSGMNI;
95: struct msginfo msginfo = {
96: MSGMAP,
97: MSGMAX,
98: MSGMNB,
99: MSGMNI,
100: MSGSSZ,
101: MSGTQL,
102: MSGSEG
103: };
104: #endif SYS5
105:
106: /*
107: * These are initialized at bootstrap time
108: * to values dependent on memory size
109: */
110: int nbuf, nswbuf;
111:
112: /*
113: * These have to be allocated somewhere; allocating
114: * them here forces loader errors if this file is omitted.
115: */
116: struct proc *proc, *procNPROC;
117: struct text *text, *textNTEXT;
118: struct inode *inode, *inodeNINODE;
119: struct file *file, *fileNFILE;
120: struct callout *callout;
121: struct cblock *cfree;
122: struct buf *buf, *swbuf;
123: short *swsize;
124: int *swpf;
125: char *buffers;
126: struct cmap *cmap, *ecmap;
127: #ifdef QUOTA
128: struct quota *quota, *quotaNQUOTA;
129: struct dquot *dquot, *dquotNDQUOT;
130: #endif
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