126 lines
3.0 KiB
C
126 lines
3.0 KiB
C
/*
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* Copyright (c) 1986 Regents of the University of California.
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* All rights reserved. The Berkeley software License Agreement
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* specifies the terms and conditions for redistribution.
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*/
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#define BSD 211 /* 2.11 * 100, as cpp doesn't do floats */
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#ifndef offsetof
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#define offsetof(type, member) ((size_t)(&((type *)0)->member))
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#endif
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/*
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* Machine type dependent parameters.
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*/
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#include <machine/machparam.h>
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/*
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* Machine-independent constants
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*/
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#ifndef NMOUNT
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#define NMOUNT 2 /* number of mountable file systems */
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#endif
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#define MAXUPRC 20 /* max processes per user */
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#define NOFILE 30 /* max open files per process */
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#define NCARGS 5120 /* # characters in exec arglist */
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#define NGROUPS 16 /* max number groups */
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#define NOGROUP 65535 /* marker for empty group set member */
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/*
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* Priorities
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*/
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#define PSWP 0
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#define PINOD 10
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#define PRIBIO 20
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#define PRIUBA 24
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#define PZERO 25
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#define PPIPE 26
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#define PSOCK 26
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#define PWAIT 30
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#define PLOCK 35
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#define PPAUSE 40
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#define PUSER 50
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#define NZERO 0
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#define PRIMASK 0xff
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#define PCATCH 0x100
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/*
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* Signals
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*/
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#include <sys/signal.h>
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#define NBPW sizeof(int) /* number of bytes in an integer */
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#ifndef NULL
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#define NULL 0
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#endif
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#define CMASK 026 /* default mask for file creation */
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#define NODEV (dev_t)(-1)
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/* CBLOCK is the size of a clist block, must be power of 2 */
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#define CBLOCK 32
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#define CBSIZE (CBLOCK - sizeof(struct cblock *)) /* data chars/clist */
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#define CROUND (CBLOCK - 1) /* clist rounding */
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#include <sys/types.h>
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/*
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* File system parameters and macros.
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*
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* The file system is made out of blocks of most MAXBSIZE units.
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*/
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#define MAXBSIZE 1024
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/*
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* MAXPATHLEN defines the longest permissable path length
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* after expanding symbolic links. It is used to allocate
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* a temporary buffer from the buffer pool in which to do the
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* name expansion, hence should be a power of two, and must
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* be less than or equal to MAXBSIZE.
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* MAXSYMLINKS defines the maximum number of symbolic links
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* that may be expanded in a path name. It should be set high
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* enough to allow all legitimate uses, but halt infinite loops
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* reasonably quickly.
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*/
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#define MAXPATHLEN 256
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#define MAXSYMLINKS 8
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/*
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* Macros for fast min/max.
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*/
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#define MIN(a,b) (((a)<(b))?(a):(b))
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#ifndef MAX
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#define MAX(a,b) (((a)>(b))?(a):(b))
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#endif
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/*
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* Macros for counting and rounding.
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*/
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#ifndef howmany
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# define howmany(x,y) (((x)+((y)-1))/(y))
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#endif
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#define roundup(x,y) ((((x)+((y)-1))/(y))*(y))
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/*
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* Maximum size of hostname recognized and stored in the kernel.
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*/
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#define MAXHOSTNAMELEN 64
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#if defined(KERNEL) && defined(INET)
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# include <machine/net_mac.h>
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#endif
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/*
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* MAXMEM is the maximum core per process is allowed. First number is Kb.
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*/
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#define MAXMEM (96*1024)
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/*
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* Max length of a user login name.
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*/
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#define MAXLOGNAME 16
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