| 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 | |
| 45 | extern long hostid; |
| 46 | extern char hostname[MAXHOSTNAMELEN]; |
| 47 | extern int hostnamelen; |
| 48 | extern char domainname[MAXHOSTNAMELEN]; |
| 49 | extern int domainnamelen; |
| 50 | |
| 51 | extern struct timespec boottime; |
| 52 | |
| 53 | extern int rtc_offset; /* offset of rtc from UTC in minutes */ |
| 54 | |
| 55 | extern int cold; /* still working on startup */ |
| 56 | extern int tick; /* usec per tick (1000000 / hz) */ |
| 57 | extern int tickadj; /* "standard" clock skew, us./tick */ |
| 58 | extern int hardclock_ticks; /* # of hardclock ticks */ |
| 59 | extern int hz; /* system clock's frequency */ |
| 60 | extern int stathz; /* statistics clock's frequency */ |
| 61 | extern int profhz; /* profiling clock's frequency */ |
| 62 | |
| 63 | extern int profsrc; /* profiling source */ |
| 64 | extern int psratio; /* ratio: prof / stat */ |
| 65 | |
| 66 | #define PROFSRC_CLOCK 0 |
| 67 | |
| 68 | #endif |
| 69 | |
| 70 | #endif /* _SYS_KERNEL_H_ */ |
| 71 | |