[apple/xnu.git] / bsd / sys / kernel.h

/*
 * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code 
 * as defined in and that are subject to the Apple Public Source License 
 * Version 2.0 (the 'License'). You may not use this file except in 
 * compliance with the License.  The rights granted to you under the 
 * License may not be used to create, or enable the creation or 
 * redistribution of, unlawful or unlicensed copies of an Apple operating 
 * system, or to circumvent, violate, or enable the circumvention or 
 * violation of, any terms of an Apple operating system software license 
 * agreement.
 *
 * Please obtain a copy of the License at 
 * http://www.opensource.apple.com/apsl/ and read it before using this 
 * file.
 *
 * The Original Code and all software distributed under the License are 
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
 * Please see the License for the specific language governing rights and 
 * limitations under the License.
 *
 * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
 */
/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
/*-
 * Copyright (c) 1990, 1993
 *	The Regents of the University of California.  All rights reserved.
 * (c) UNIX System Laboratories, Inc.
 * All or some portions of this file are derived from material licensed
 * to the University of California by American Telephone and Telegraph
 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
 * the permission of UNIX System Laboratories, Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)kernel.h	8.3 (Berkeley) 1/21/94
 */
#ifndef	_SYS_KERNEL_H_
#define _SYS_KERNEL_H_

#include <sys/appleapiopts.h>

#ifdef	KERNEL

#include <sys/param.h>

#ifdef BSD_KERNEL_PRIVATE
/* Global variables for the kernel. */

/* 1.1 */
extern long hostid;
extern char hostname[MAXHOSTNAMELEN];
extern int hostnamelen;
extern char domainname[MAXHOSTNAMELEN];
extern int domainnamelen;

/* 1.2 */
extern int stathz;		/* statistics clock's frequency */
extern int profhz;		/* profiling clock's frequency */
#endif /* BSD_KERNEL_PRIVATE */


#ifdef KERNEL_PRIVATE
extern int lbolt;		/* once a second sleep address */

extern struct timezone tz;			/* XXX */

extern int tick;		/* usec per tick (1000000 / hz) */
extern int hz;			/* system clock's frequency */

#endif /* KERNEL_PRIVATE */

#endif	/* KERNEL */

#endif	/* !_SYS_KERNEL_H_ */
Commit	Line	Data
1c79356b	1	/*
5d5c5d0d A	2	* Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
5d5c5d0d A	3	*
8ad349bb	4	* @APPLE_LICENSE_OSREFERENCE_HEADER_START@
1c79356b	5	*
8ad349bb A	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the
	10	* License may not be used to create, or enable the creation or
	11	* redistribution of, unlawful or unlicensed copies of an Apple operating
	12	* system, or to circumvent, violate, or enable the circumvention or
	13	* violation of, any terms of an Apple operating system software license
	14	* agreement.
	15	*
	16	* Please obtain a copy of the License at
	17	* http://www.opensource.apple.com/apsl/ and read it before using this
	18	* file.
	19	*
	20	* The Original Code and all software distributed under the License are
	21	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	22	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	23	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	24	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	25	* Please see the License for the specific language governing rights and
	26	* limitations under the License.
	27	*
	28	* @APPLE_LICENSE_OSREFERENCE_HEADER_END@
1c79356b A	29	*/
	30	/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
	31	/*-
	32	* Copyright (c) 1990, 1993
	33	* The Regents of the University of California. All rights reserved.
	34	* (c) UNIX System Laboratories, Inc.
	35	* All or some portions of this file are derived from material licensed
	36	* to the University of California by American Telephone and Telegraph
	37	* Co. or Unix System Laboratories, Inc. and are reproduced herein with
	38	* the permission of UNIX System Laboratories, Inc.
	39	*
	40	* Redistribution and use in source and binary forms, with or without
	41	* modification, are permitted provided that the following conditions
	42	* are met:
	43	* 1. Redistributions of source code must retain the above copyright
	44	* notice, this list of conditions and the following disclaimer.
	45	* 2. Redistributions in binary form must reproduce the above copyright
	46	* notice, this list of conditions and the following disclaimer in the
	47	* documentation and/or other materials provided with the distribution.
	48	* 3. All advertising materials mentioning features or use of this software
	49	* must display the following acknowledgement:
	50	* This product includes software developed by the University of
	51	* California, Berkeley and its contributors.
	52	* 4. Neither the name of the University nor the names of its contributors
	53	* may be used to endorse or promote products derived from this software
	54	* without specific prior written permission.
	55	*
	56	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	57	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	58	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	59	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	60	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	61	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	62	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	63	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	64	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	65	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	66	* SUCH DAMAGE.
	67	*
	68	* @(#)kernel.h 8.3 (Berkeley) 1/21/94
	69	*/
	70	#ifndef _SYS_KERNEL_H_
	71	#define _SYS_KERNEL_H_
	72
9bccf70c A	73	#include <sys/appleapiopts.h>
9bccf70c A	74
1c79356b A	75	#ifdef KERNEL
	76
	77	#include <sys/param.h>
	78
91447636	79	#ifdef BSD_KERNEL_PRIVATE
1c79356b A	80	/* Global variables for the kernel. */
	81
	82	/* 1.1 */
	83	extern long hostid;
	84	extern char hostname[MAXHOSTNAMELEN];
	85	extern int hostnamelen;
	86	extern char domainname[MAXHOSTNAMELEN];
	87	extern int domainnamelen;
	88
	89	/* 1.2 */
91447636 A	90	extern int stathz; /* statistics clock's frequency */
	91	extern int profhz; /* profiling clock's frequency */
	92	#endif /* BSD_KERNEL_PRIVATE */
	93
	94
	95	#ifdef KERNEL_PRIVATE
9bccf70c	96	extern int lbolt; /* once a second sleep address */
91447636 A	97
	98	extern struct timezone tz; /* XXX */
	99
1c79356b	100	extern int tick; /* usec per tick (1000000 / hz) */
1c79356b	101	extern int hz; /* system clock's frequency */
9bccf70c	102
91447636	103	#endif /* KERNEL_PRIVATE */
9bccf70c	104
1c79356b	105	#endif /* KERNEL */
1c79356b	106
9bccf70c	107	#endif /* !_SYS_KERNEL_H_ */