1 /* $OpenBSD: kernel.h,v 1.12 2007/05/16 17:27:30 art Exp $ */ 2 /* $NetBSD: kernel.h,v 1.11 1995/03/03 01:24:16 cgd Exp $ */ 3 4 /*- 5 * Copyright (c) 1990, 1993 6 * The Regents of the University of California. All rights reserved. 7 * (c) UNIX System Laboratories, Inc. 8 * All or some portions of this file are derived from material licensed 9 * to the University of California by American Telephone and Telegraph 10 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 11 * the permission of UNIX System Laboratories, Inc. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * @(#)kernel.h 8.3 (Berkeley) 1/21/94 38 */ 39 40 /* Global variables for the kernel. */ 41 42 /* 1.1 */ 43 extern long hostid; 44 extern char hostname[MAXHOSTNAMELEN]; 45 extern int hostnamelen; 46 extern char domainname[MAXHOSTNAMELEN]; 47 extern int domainnamelen; 48 49 /* 1.2 */ 50 extern struct timeval boottime; 51 #ifndef __HAVE_TIMECOUNTER 52 extern volatile struct timeval mono_time; 53 extern volatile struct timeval time; 54 #endif 55 extern struct timezone tz; /* XXX */ 56 57 extern int tick; /* usec per tick (1000000 / hz) */ 58 extern int tickfix; /* periodic tick adj. tick not integral */ 59 extern int tickfixinterval; /* interval at which to apply adjustment */ 60 extern int tickadj; /* "standard" clock skew, us./tick */ 61 extern int hz; /* system clock's frequency */ 62 extern int stathz; /* statistics clock's frequency */ 63 extern int profhz; /* profiling clock's frequency */ 64 extern int lbolt; /* once a second sleep address */ 65 extern int tickdelta; 66 extern long timedelta; 67 68