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1.1 root 1: /* (-lgl
2: * COHERENT Version 3.0
3: * Copyright (c) 1982, 1990 by Mark Williams Company.
4: * All rights reserved. May not be copied without permission.
5: -lgl) */
6: /*
7: * Some constants.
8: * Intel 8086/8088 machines.
9: */
10:
11: #ifndef CONST_H
12: #define CONST_H CONST_H
13:
14: #define MSASIZE 14 /* Space reserved for sys args */
15: #define ISTVIRT 0 /* Stack virtual base for sys exec */
16: #define SOVSIZE 0 /* Stack overflow size */
17: #define UPASIZE 1024 /* Size of user area */
18: #define MADSIZE 32767 /* Maximum addressable segment size */
19: #define SMICALL 0 /* Start of independent system calls */
20: #define NMICALL 74 /* Machine independent system calls */
21: #define SMDCALL 128 /* Start of dependent system calls */
22: #define NMDCALL 0 /* Machine dependent system calls */
23: #define BSIZE 512 /* Buffer size */
24: #define SCHUNK 16384 /* I/O chunk size for swap and dump */
25: #define NCPCL 126 /* Number of characters in clist */
26: #define NPID 30000 /* Maximum process id */
27: #define MAXU ((unsigned)0177777)
28:
29: /*
30: * There must be an even number of HZ in a second.
31: */
32: #define HZ 100 /* 8253 ticks per second */
33:
34: #endif
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