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1.1 root 1: /*
2: * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
7: * Reserved. This file contains Original Code and/or Modifications of
8: * Original Code as defined in and that are subject to the Apple Public
9: * Source License Version 1.1 (the "License"). You may not use this file
10: * except in compliance with the License. Please obtain a copy of the
11: * License at http://www.apple.com/publicsource and read it before using
12: * this file.
13: *
14: * The Original Code and all software distributed under the License are
15: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
16: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
17: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
18: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
19: * License for the specific language governing rights and limitations
20: * under the License.
21: *
22: * @APPLE_LICENSE_HEADER_END@
23: */
24:
25: /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
26: /*-
27: * Copyright (c) 1990, 1993
28: * The Regents of the University of California. All rights reserved.
29: * (c) UNIX System Laboratories, Inc.
30: * All or some portions of this file are derived from material licensed
31: * to the University of California by American Telephone and Telegraph
32: * Co. or Unix System Laboratories, Inc. and are reproduced herein with
33: * the permission of UNIX System Laboratories, Inc.
34: *
35: * Redistribution and use in source and binary forms, with or without
36: * modification, are permitted provided that the following conditions
37: * are met:
38: * 1. Redistributions of source code must retain the above copyright
39: * notice, this list of conditions and the following disclaimer.
40: * 2. Redistributions in binary form must reproduce the above copyright
41: * notice, this list of conditions and the following disclaimer in the
42: * documentation and/or other materials provided with the distribution.
43: * 3. All advertising materials mentioning features or use of this software
44: * must display the following acknowledgement:
45: * This product includes software developed by the University of
46: * California, Berkeley and its contributors.
47: * 4. Neither the name of the University nor the names of its contributors
48: * may be used to endorse or promote products derived from this software
49: * without specific prior written permission.
50: *
51: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
52: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
53: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
54: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
55: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
56: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
57: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
58: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
59: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
60: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
61: * SUCH DAMAGE.
62: *
63: * @(#)kernel.h 8.3 (Berkeley) 1/21/94
64: */
65: #ifndef _SYS_KERNEL_H_
66: #define _SYS_KERNEL_H_
67:
68: #ifdef KERNEL
69:
70: #include <sys/param.h>
71:
72: /* Global variables for the kernel. */
73:
74: /* 1.1 */
75: extern long hostid;
76: extern char hostname[MAXHOSTNAMELEN];
77: extern int hostnamelen;
78: extern char domainname[MAXHOSTNAMELEN];
79: extern int domainnamelen;
80:
81: /* 1.2 */
82: // extern volatile struct timeval mono_time;
83: extern struct timeval boottime;
84: extern struct timeval runtime;
85: extern volatile struct timeval time;
86: extern struct timezone tz; /* XXX */
87:
88: extern int tick; /* usec per tick (1000000 / hz) */
89: extern int tickfix; /* periodic tick adj. tick not integral */
90: extern int tickfixinterval; /* interval at which to apply adjustment */
91: extern int tickadj; /* "standard" clock skew, us./tick */
92: extern int hz; /* system clock's frequency */
93: extern int stathz; /* statistics clock's frequency */
94: extern int profhz; /* profiling clock's frequency */
95: extern int lbolt; /* once a second sleep address */
96: #endif /* KERNEL */
97: #endif /* !_SYS_KERNEL_H_ */
98:
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