/*
 * Copyright (c) 1986 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 */
#define BSD     211 /* 2.11 * 100, as cpp doesn't do floats */

#ifndef offsetof
#define offsetof(type, member)  ((size_t)(&((type *)0)->member))
#endif

/*
 * Machine type dependent parameters.
 */
#include <machine/machparam.h>

/*
 * Machine-independent constants
 */
#ifndef NMOUNT
#define NMOUNT      2       /* number of mountable file systems */
#endif

#define MAXUPRC     20      /* max processes per user */
#define NOFILE      30      /* max open files per process */
#define NCARGS      5120    /* # characters in exec arglist */
#define NGROUPS     16      /* max number groups */

#define NOGROUP     65535   /* marker for empty group set member */

/*
 * Priorities
 */
#define PSWP        0
#define PINOD       10
#define PRIBIO      20
#define PRIUBA      24
#define PZERO       25
#define PPIPE       26
#define PSOCK       26
#define PWAIT       30
#define PLOCK       35
#define PPAUSE      40
#define PUSER       50

#define NZERO       0

#define PRIMASK     0xff
#define PCATCH      0x100

/*
 * Signals
 */
#include <sys/signal.h>

#define NBPW        sizeof(int) /* number of bytes in an integer */

#ifndef NULL
#define NULL        0
#endif
#define CMASK       026     /* default mask for file creation */
#define NODEV       (dev_t)(-1)

/* CBLOCK is the size of a clist block, must be power of 2 */
#define CBLOCK      32
#define CBSIZE      (CBLOCK - sizeof(struct cblock *))  /* data chars/clist */
#define CROUND      (CBLOCK - 1)                        /* clist rounding */

#include <sys/types.h>

/*
 * File system parameters and macros.
 *
 * The file system is made out of blocks of most MAXBSIZE units.
 */
#define MAXBSIZE    1024

/*
 * MAXPATHLEN defines the longest permissable path length
 * after expanding symbolic links. It is used to allocate
 * a temporary buffer from the buffer pool in which to do the
 * name expansion, hence should be a power of two, and must
 * be less than or equal to MAXBSIZE.
 * MAXSYMLINKS defines the maximum number of symbolic links
 * that may be expanded in a path name. It should be set high
 * enough to allow all legitimate uses, but halt infinite loops
 * reasonably quickly.
 */
#define MAXPATHLEN  256
#define MAXSYMLINKS 8

/*
 * Macros for fast min/max.
 */
#define MIN(a,b)    (((a)<(b))?(a):(b))
#ifndef MAX
#define MAX(a,b)    (((a)>(b))?(a):(b))
#endif

/*
 * Macros for counting and rounding.
 */
#ifndef howmany
#   define howmany(x,y) (((x)+((y)-1))/(y))
#endif
#define roundup(x,y)    ((((x)+((y)-1))/(y))*(y))

/*
 * Maximum size of hostname recognized and stored in the kernel.
 */
#define MAXHOSTNAMELEN  64

#if defined(KERNEL) && defined(INET)
#   include <machine/net_mac.h>
#endif

/*
 * MAXMEM is the maximum core per process is allowed.  First number is Kb.
*/
#define MAXMEM      (96*1024)

/*
 * Max length of a user login name.
 */
#define MAXLOGNAME  16