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/*
* Mach Operating System
* Copyright (c) 1989 Carnegie-Mellon University
* Copyright (c) 1988 Carnegie-Mellon University
* Copyright (c) 1987 Carnegie-Mellon University
* All rights reserved. The CMU software License Agreement specifies
* the terms and conditions for use and redistribution.
*/
/*
* HISTORY
* $Log: kernel.h,v $
* Revision 2.8 89/04/22 15:31:57 gm0w
* Removed MACH_VFS code. Changed domainname size to MAXDOMNAMELEN.
* [89/04/14 gm0w]
*
* Revision 2.7 89/03/09 22:05:23 rpd
* More cleanup.
*
* Revision 2.6 89/02/25 17:54:31 gm0w
* Removed MACH conditionals. Put entire file under
* an #ifdef KERNEL conditioanal.
* [89/02/13 mrt]
*
* Revision 2.5 89/01/18 01:16:41 jsb
* Vnode support: declare domainname{,len}.
* [89/01/13 jsb]
*
* Revision 2.4 88/08/24 02:32:40 mwyoung
* Adjusted include file references.
* [88/08/17 02:15:39 mwyoung]
*
* 5-Feb-88 Joseph Boykin (boykin) at ENcore Computer Corporation
* Added include of 'time.h'.
*
* 18-Nov-87 Avadis Tevanian (avie) at Carnegie-Mellon University
* Use MACH conditional.
*/
/*
* Copyright (c) 1982, 1986 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*
* @(#)kernel.h 7.1 (Berkeley) 6/4/86
*/
#ifndef _SYS_KERNEL_H_
#define _SYS_KERNEL_H_
#ifdef KERNEL
#import <sys/types.h>
#import <sys/time.h>
#import <sys/param.h> /* for MAXHOSTNAMELEN */
/*
* Global variables for the kernel
*/
extern long rmalloc();
/* 1.1 */
extern long hostid;
extern char hostname[MAXHOSTNAMELEN];
extern int hostnamelen;
extern char domainname[MAXDOMNAMELEN];
extern int domainnamelen;
/* 1.2 */
extern struct timeval boottime;
extern struct timeval time;
#if NeXT
/* do not support timezone in kernel */
#else
extern struct timezone tz; /* XXX */
#endif
extern int hz;
extern int phz; /* alternate clock's frequency */
extern int tick;
extern int lbolt; /* awoken once a second */
extern int realitexpire();
#define LSCALE 1000 /* scaling for "fixed point" arithmetic */
extern long avenrun[3];
extern long mach_factor[3];
#ifdef GPROF
extern int profiling;
extern char *s_lowpc;
extern u_long s_textsize;
extern u_short *kcount;
#endif
#endif
#endif
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