1/* $NetBSD: kernel.h,v 1.29 2013/07/30 13:14:30 matt Exp $ */
2
3/*-
4 * Copyright (c) 1990, 1993
5 * The Regents of the University of California. All rights reserved.
6 * (c) UNIX System Laboratories, Inc.
7 * All or some portions of this file are derived from material licensed
8 * to the University of California by American Telephone and Telegraph
9 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
10 * the permission of UNIX System Laboratories, Inc.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * @(#)kernel.h 8.3 (Berkeley) 1/21/94
37 */
38
39#ifndef _SYS_KERNEL_H_
40#define _SYS_KERNEL_H_
41
42#if defined(_KERNEL) || defined(_STANDALONE)
43/* Global variables for the kernel. */
44
45extern long hostid;
46extern char hostname[MAXHOSTNAMELEN];
47extern int hostnamelen;
48extern char domainname[MAXHOSTNAMELEN];
49extern int domainnamelen;
50
51extern struct timespec boottime;
52
53extern int rtc_offset; /* offset of rtc from UTC in minutes */
54
55extern int cold; /* still working on startup */
56extern int tick; /* usec per tick (1000000 / hz) */
57extern int tickadj; /* "standard" clock skew, us./tick */
58extern int hardclock_ticks; /* # of hardclock ticks */
59extern int hz; /* system clock's frequency */
60extern int stathz; /* statistics clock's frequency */
61extern int profhz; /* profiling clock's frequency */
62
63extern int profsrc; /* profiling source */
64extern int psratio; /* ratio: prof / stat */
65
66#define PROFSRC_CLOCK 0
67
68#endif
69
70#endif /* _SYS_KERNEL_H_ */
71