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