1*43a90889SApple OSS Distributions /* 2*43a90889SApple OSS Distributions * Copyright (c) 2000-2019 Apple Inc. All rights reserved. 3*43a90889SApple OSS Distributions * 4*43a90889SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*43a90889SApple OSS Distributions * 6*43a90889SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*43a90889SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*43a90889SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*43a90889SApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*43a90889SApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*43a90889SApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*43a90889SApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*43a90889SApple OSS Distributions * terms of an Apple operating system software license agreement. 14*43a90889SApple OSS Distributions * 15*43a90889SApple OSS Distributions * Please obtain a copy of the License at 16*43a90889SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*43a90889SApple OSS Distributions * 18*43a90889SApple OSS Distributions * The Original Code and all software distributed under the License are 19*43a90889SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*43a90889SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*43a90889SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*43a90889SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*43a90889SApple OSS Distributions * Please see the License for the specific language governing rights and 24*43a90889SApple OSS Distributions * limitations under the License. 25*43a90889SApple OSS Distributions * 26*43a90889SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*43a90889SApple OSS Distributions */ 28*43a90889SApple OSS Distributions /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ 29*43a90889SApple OSS Distributions /*- 30*43a90889SApple OSS Distributions * Copyright (c) 1990, 1993 31*43a90889SApple OSS Distributions * The Regents of the University of California. All rights reserved. 32*43a90889SApple OSS Distributions * (c) UNIX System Laboratories, Inc. 33*43a90889SApple OSS Distributions * All or some portions of this file are derived from material licensed 34*43a90889SApple OSS Distributions * to the University of California by American Telephone and Telegraph 35*43a90889SApple OSS Distributions * Co. or Unix System Laboratories, Inc. and are reproduced herein with 36*43a90889SApple OSS Distributions * the permission of UNIX System Laboratories, Inc. 37*43a90889SApple OSS Distributions * 38*43a90889SApple OSS Distributions * Redistribution and use in source and binary forms, with or without 39*43a90889SApple OSS Distributions * modification, are permitted provided that the following conditions 40*43a90889SApple OSS Distributions * are met: 41*43a90889SApple OSS Distributions * 1. Redistributions of source code must retain the above copyright 42*43a90889SApple OSS Distributions * notice, this list of conditions and the following disclaimer. 43*43a90889SApple OSS Distributions * 2. Redistributions in binary form must reproduce the above copyright 44*43a90889SApple OSS Distributions * notice, this list of conditions and the following disclaimer in the 45*43a90889SApple OSS Distributions * documentation and/or other materials provided with the distribution. 46*43a90889SApple OSS Distributions * 3. All advertising materials mentioning features or use of this software 47*43a90889SApple OSS Distributions * must display the following acknowledgement: 48*43a90889SApple OSS Distributions * This product includes software developed by the University of 49*43a90889SApple OSS Distributions * California, Berkeley and its contributors. 50*43a90889SApple OSS Distributions * 4. Neither the name of the University nor the names of its contributors 51*43a90889SApple OSS Distributions * may be used to endorse or promote products derived from this software 52*43a90889SApple OSS Distributions * without specific prior written permission. 53*43a90889SApple OSS Distributions * 54*43a90889SApple OSS Distributions * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 55*43a90889SApple OSS Distributions * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 56*43a90889SApple OSS Distributions * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 57*43a90889SApple OSS Distributions * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 58*43a90889SApple OSS Distributions * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 59*43a90889SApple OSS Distributions * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 60*43a90889SApple OSS Distributions * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 61*43a90889SApple OSS Distributions * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 62*43a90889SApple OSS Distributions * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 63*43a90889SApple OSS Distributions * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 64*43a90889SApple OSS Distributions * SUCH DAMAGE. 65*43a90889SApple OSS Distributions * 66*43a90889SApple OSS Distributions * @(#)kernel.h 8.3 (Berkeley) 1/21/94 67*43a90889SApple OSS Distributions */ 68*43a90889SApple OSS Distributions #ifndef _SYS_KERNEL_H_ 69*43a90889SApple OSS Distributions #define _SYS_KERNEL_H_ 70*43a90889SApple OSS Distributions 71*43a90889SApple OSS Distributions #include <sys/appleapiopts.h> 72*43a90889SApple OSS Distributions 73*43a90889SApple OSS Distributions #ifdef KERNEL 74*43a90889SApple OSS Distributions 75*43a90889SApple OSS Distributions #include <sys/param.h> 76*43a90889SApple OSS Distributions 77*43a90889SApple OSS Distributions #ifdef BSD_KERNEL_PRIVATE 78*43a90889SApple OSS Distributions #include <stdbool.h> 79*43a90889SApple OSS Distributions #include <kern/locks.h> 80*43a90889SApple OSS Distributions 81*43a90889SApple OSS Distributions /* Global variables for the kernel. */ 82*43a90889SApple OSS Distributions 83*43a90889SApple OSS Distributions /* 1.1 */ 84*43a90889SApple OSS Distributions extern long hostid; 85*43a90889SApple OSS Distributions extern char hostname[MAXHOSTNAMELEN]; 86*43a90889SApple OSS Distributions extern lck_mtx_t hostname_lock; 87*43a90889SApple OSS Distributions extern char domainname[MAXHOSTNAMELEN]; 88*43a90889SApple OSS Distributions extern lck_mtx_t domainname_lock; 89*43a90889SApple OSS Distributions 90*43a90889SApple OSS Distributions /* 1.2 */ 91*43a90889SApple OSS Distributions extern int stathz; /* statistics clock's frequency */ 92*43a90889SApple OSS Distributions extern int profhz; /* profiling clock's frequency */ 93*43a90889SApple OSS Distributions #endif /* BSD_KERNEL_PRIVATE */ 94*43a90889SApple OSS Distributions 95*43a90889SApple OSS Distributions 96*43a90889SApple OSS Distributions #ifdef KERNEL_PRIVATE 97*43a90889SApple OSS Distributions extern struct timezone tz; /* XXX */ 98*43a90889SApple OSS Distributions 99*43a90889SApple OSS Distributions extern int tick; /* usec per tick (1000000 / hz) */ 100*43a90889SApple OSS Distributions extern int hz; /* system clock's frequency */ 101*43a90889SApple OSS Distributions 102*43a90889SApple OSS Distributions #endif /* KERNEL_PRIVATE */ 103*43a90889SApple OSS Distributions 104*43a90889SApple OSS Distributions #endif /* KERNEL */ 105*43a90889SApple OSS Distributions 106*43a90889SApple OSS Distributions #endif /* !_SYS_KERNEL_H_ */ 107