1*f6217f89SApple OSS Distributions /* 2*f6217f89SApple OSS Distributions * Copyright (c) 2000-2019 Apple Inc. All rights reserved. 3*f6217f89SApple OSS Distributions * 4*f6217f89SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*f6217f89SApple OSS Distributions * 6*f6217f89SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*f6217f89SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*f6217f89SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*f6217f89SApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*f6217f89SApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*f6217f89SApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*f6217f89SApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*f6217f89SApple OSS Distributions * terms of an Apple operating system software license agreement. 14*f6217f89SApple OSS Distributions * 15*f6217f89SApple OSS Distributions * Please obtain a copy of the License at 16*f6217f89SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*f6217f89SApple OSS Distributions * 18*f6217f89SApple OSS Distributions * The Original Code and all software distributed under the License are 19*f6217f89SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*f6217f89SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*f6217f89SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*f6217f89SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*f6217f89SApple OSS Distributions * Please see the License for the specific language governing rights and 24*f6217f89SApple OSS Distributions * limitations under the License. 25*f6217f89SApple OSS Distributions * 26*f6217f89SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*f6217f89SApple OSS Distributions */ 28*f6217f89SApple OSS Distributions /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ 29*f6217f89SApple OSS Distributions /*- 30*f6217f89SApple OSS Distributions * Copyright (c) 1990, 1993 31*f6217f89SApple OSS Distributions * The Regents of the University of California. All rights reserved. 32*f6217f89SApple OSS Distributions * (c) UNIX System Laboratories, Inc. 33*f6217f89SApple OSS Distributions * All or some portions of this file are derived from material licensed 34*f6217f89SApple OSS Distributions * to the University of California by American Telephone and Telegraph 35*f6217f89SApple OSS Distributions * Co. or Unix System Laboratories, Inc. and are reproduced herein with 36*f6217f89SApple OSS Distributions * the permission of UNIX System Laboratories, Inc. 37*f6217f89SApple OSS Distributions * 38*f6217f89SApple OSS Distributions * Redistribution and use in source and binary forms, with or without 39*f6217f89SApple OSS Distributions * modification, are permitted provided that the following conditions 40*f6217f89SApple OSS Distributions * are met: 41*f6217f89SApple OSS Distributions * 1. Redistributions of source code must retain the above copyright 42*f6217f89SApple OSS Distributions * notice, this list of conditions and the following disclaimer. 43*f6217f89SApple OSS Distributions * 2. Redistributions in binary form must reproduce the above copyright 44*f6217f89SApple OSS Distributions * notice, this list of conditions and the following disclaimer in the 45*f6217f89SApple OSS Distributions * documentation and/or other materials provided with the distribution. 46*f6217f89SApple OSS Distributions * 3. All advertising materials mentioning features or use of this software 47*f6217f89SApple OSS Distributions * must display the following acknowledgement: 48*f6217f89SApple OSS Distributions * This product includes software developed by the University of 49*f6217f89SApple OSS Distributions * California, Berkeley and its contributors. 50*f6217f89SApple OSS Distributions * 4. Neither the name of the University nor the names of its contributors 51*f6217f89SApple OSS Distributions * may be used to endorse or promote products derived from this software 52*f6217f89SApple OSS Distributions * without specific prior written permission. 53*f6217f89SApple OSS Distributions * 54*f6217f89SApple OSS Distributions * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 55*f6217f89SApple OSS Distributions * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 56*f6217f89SApple OSS Distributions * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 57*f6217f89SApple OSS Distributions * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 58*f6217f89SApple OSS Distributions * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 59*f6217f89SApple OSS Distributions * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 60*f6217f89SApple OSS Distributions * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 61*f6217f89SApple OSS Distributions * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 62*f6217f89SApple OSS Distributions * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 63*f6217f89SApple OSS Distributions * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 64*f6217f89SApple OSS Distributions * SUCH DAMAGE. 65*f6217f89SApple OSS Distributions * 66*f6217f89SApple OSS Distributions * @(#)kernel.h 8.3 (Berkeley) 1/21/94 67*f6217f89SApple OSS Distributions */ 68*f6217f89SApple OSS Distributions #ifndef _SYS_KERNEL_H_ 69*f6217f89SApple OSS Distributions #define _SYS_KERNEL_H_ 70*f6217f89SApple OSS Distributions 71*f6217f89SApple OSS Distributions #include <sys/appleapiopts.h> 72*f6217f89SApple OSS Distributions 73*f6217f89SApple OSS Distributions #ifdef KERNEL 74*f6217f89SApple OSS Distributions 75*f6217f89SApple OSS Distributions #include <sys/param.h> 76*f6217f89SApple OSS Distributions 77*f6217f89SApple OSS Distributions #ifdef BSD_KERNEL_PRIVATE 78*f6217f89SApple OSS Distributions #include <stdbool.h> 79*f6217f89SApple OSS Distributions #include <kern/locks.h> 80*f6217f89SApple OSS Distributions 81*f6217f89SApple OSS Distributions /* Global variables for the kernel. */ 82*f6217f89SApple OSS Distributions 83*f6217f89SApple OSS Distributions /* 1.1 */ 84*f6217f89SApple OSS Distributions extern long hostid; 85*f6217f89SApple OSS Distributions extern char hostname[MAXHOSTNAMELEN]; 86*f6217f89SApple OSS Distributions extern lck_mtx_t hostname_lock; 87*f6217f89SApple OSS Distributions extern char domainname[MAXHOSTNAMELEN]; 88*f6217f89SApple OSS Distributions extern lck_mtx_t domainname_lock; 89*f6217f89SApple OSS Distributions 90*f6217f89SApple OSS Distributions /* 1.2 */ 91*f6217f89SApple OSS Distributions extern int stathz; /* statistics clock's frequency */ 92*f6217f89SApple OSS Distributions extern int profhz; /* profiling clock's frequency */ 93*f6217f89SApple OSS Distributions #endif /* BSD_KERNEL_PRIVATE */ 94*f6217f89SApple OSS Distributions 95*f6217f89SApple OSS Distributions 96*f6217f89SApple OSS Distributions #ifdef KERNEL_PRIVATE 97*f6217f89SApple OSS Distributions extern struct timezone tz; /* XXX */ 98*f6217f89SApple OSS Distributions 99*f6217f89SApple OSS Distributions extern int tick; /* usec per tick (1000000 / hz) */ 100*f6217f89SApple OSS Distributions extern int hz; /* system clock's frequency */ 101*f6217f89SApple OSS Distributions 102*f6217f89SApple OSS Distributions #endif /* KERNEL_PRIVATE */ 103*f6217f89SApple OSS Distributions 104*f6217f89SApple OSS Distributions #endif /* KERNEL */ 105*f6217f89SApple OSS Distributions 106*f6217f89SApple OSS Distributions #endif /* !_SYS_KERNEL_H_ */ 107