1*aca3beaaSApple OSS Distributions /* 2*aca3beaaSApple OSS Distributions * Copyright (c) 2000-2019 Apple Inc. All rights reserved. 3*aca3beaaSApple OSS Distributions * 4*aca3beaaSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*aca3beaaSApple OSS Distributions * 6*aca3beaaSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*aca3beaaSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*aca3beaaSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*aca3beaaSApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*aca3beaaSApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*aca3beaaSApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*aca3beaaSApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*aca3beaaSApple OSS Distributions * terms of an Apple operating system software license agreement. 14*aca3beaaSApple OSS Distributions * 15*aca3beaaSApple OSS Distributions * Please obtain a copy of the License at 16*aca3beaaSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*aca3beaaSApple OSS Distributions * 18*aca3beaaSApple OSS Distributions * The Original Code and all software distributed under the License are 19*aca3beaaSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*aca3beaaSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*aca3beaaSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*aca3beaaSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*aca3beaaSApple OSS Distributions * Please see the License for the specific language governing rights and 24*aca3beaaSApple OSS Distributions * limitations under the License. 25*aca3beaaSApple OSS Distributions * 26*aca3beaaSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*aca3beaaSApple OSS Distributions */ 28*aca3beaaSApple OSS Distributions /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ 29*aca3beaaSApple OSS Distributions /*- 30*aca3beaaSApple OSS Distributions * Copyright (c) 1990, 1993 31*aca3beaaSApple OSS Distributions * The Regents of the University of California. All rights reserved. 32*aca3beaaSApple OSS Distributions * (c) UNIX System Laboratories, Inc. 33*aca3beaaSApple OSS Distributions * All or some portions of this file are derived from material licensed 34*aca3beaaSApple OSS Distributions * to the University of California by American Telephone and Telegraph 35*aca3beaaSApple OSS Distributions * Co. or Unix System Laboratories, Inc. and are reproduced herein with 36*aca3beaaSApple OSS Distributions * the permission of UNIX System Laboratories, Inc. 37*aca3beaaSApple OSS Distributions * 38*aca3beaaSApple OSS Distributions * Redistribution and use in source and binary forms, with or without 39*aca3beaaSApple OSS Distributions * modification, are permitted provided that the following conditions 40*aca3beaaSApple OSS Distributions * are met: 41*aca3beaaSApple OSS Distributions * 1. Redistributions of source code must retain the above copyright 42*aca3beaaSApple OSS Distributions * notice, this list of conditions and the following disclaimer. 43*aca3beaaSApple OSS Distributions * 2. Redistributions in binary form must reproduce the above copyright 44*aca3beaaSApple OSS Distributions * notice, this list of conditions and the following disclaimer in the 45*aca3beaaSApple OSS Distributions * documentation and/or other materials provided with the distribution. 46*aca3beaaSApple OSS Distributions * 3. All advertising materials mentioning features or use of this software 47*aca3beaaSApple OSS Distributions * must display the following acknowledgement: 48*aca3beaaSApple OSS Distributions * This product includes software developed by the University of 49*aca3beaaSApple OSS Distributions * California, Berkeley and its contributors. 50*aca3beaaSApple OSS Distributions * 4. Neither the name of the University nor the names of its contributors 51*aca3beaaSApple OSS Distributions * may be used to endorse or promote products derived from this software 52*aca3beaaSApple OSS Distributions * without specific prior written permission. 53*aca3beaaSApple OSS Distributions * 54*aca3beaaSApple OSS Distributions * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 55*aca3beaaSApple OSS Distributions * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 56*aca3beaaSApple OSS Distributions * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 57*aca3beaaSApple OSS Distributions * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 58*aca3beaaSApple OSS Distributions * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 59*aca3beaaSApple OSS Distributions * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 60*aca3beaaSApple OSS Distributions * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 61*aca3beaaSApple OSS Distributions * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 62*aca3beaaSApple OSS Distributions * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 63*aca3beaaSApple OSS Distributions * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 64*aca3beaaSApple OSS Distributions * SUCH DAMAGE. 65*aca3beaaSApple OSS Distributions * 66*aca3beaaSApple OSS Distributions * @(#)kernel.h 8.3 (Berkeley) 1/21/94 67*aca3beaaSApple OSS Distributions */ 68*aca3beaaSApple OSS Distributions #ifndef _SYS_KERNEL_H_ 69*aca3beaaSApple OSS Distributions #define _SYS_KERNEL_H_ 70*aca3beaaSApple OSS Distributions 71*aca3beaaSApple OSS Distributions #include <sys/appleapiopts.h> 72*aca3beaaSApple OSS Distributions 73*aca3beaaSApple OSS Distributions #ifdef KERNEL 74*aca3beaaSApple OSS Distributions 75*aca3beaaSApple OSS Distributions #include <sys/param.h> 76*aca3beaaSApple OSS Distributions 77*aca3beaaSApple OSS Distributions #ifdef BSD_KERNEL_PRIVATE 78*aca3beaaSApple OSS Distributions #include <stdbool.h> 79*aca3beaaSApple OSS Distributions #include <kern/locks.h> 80*aca3beaaSApple OSS Distributions 81*aca3beaaSApple OSS Distributions /* Global variables for the kernel. */ 82*aca3beaaSApple OSS Distributions 83*aca3beaaSApple OSS Distributions /* 1.1 */ 84*aca3beaaSApple OSS Distributions extern long hostid; 85*aca3beaaSApple OSS Distributions extern char hostname[MAXHOSTNAMELEN]; 86*aca3beaaSApple OSS Distributions extern lck_mtx_t hostname_lock; 87*aca3beaaSApple OSS Distributions extern char domainname[MAXHOSTNAMELEN]; 88*aca3beaaSApple OSS Distributions extern lck_mtx_t domainname_lock; 89*aca3beaaSApple OSS Distributions 90*aca3beaaSApple OSS Distributions /* 1.2 */ 91*aca3beaaSApple OSS Distributions extern int stathz; /* statistics clock's frequency */ 92*aca3beaaSApple OSS Distributions extern int profhz; /* profiling clock's frequency */ 93*aca3beaaSApple OSS Distributions #endif /* BSD_KERNEL_PRIVATE */ 94*aca3beaaSApple OSS Distributions 95*aca3beaaSApple OSS Distributions 96*aca3beaaSApple OSS Distributions #ifdef KERNEL_PRIVATE 97*aca3beaaSApple OSS Distributions extern struct timezone tz; /* XXX */ 98*aca3beaaSApple OSS Distributions 99*aca3beaaSApple OSS Distributions extern int tick; /* usec per tick (1000000 / hz) */ 100*aca3beaaSApple OSS Distributions extern int hz; /* system clock's frequency */ 101*aca3beaaSApple OSS Distributions 102*aca3beaaSApple OSS Distributions #endif /* KERNEL_PRIVATE */ 103*aca3beaaSApple OSS Distributions 104*aca3beaaSApple OSS Distributions #endif /* KERNEL */ 105*aca3beaaSApple OSS Distributions 106*aca3beaaSApple OSS Distributions #endif /* !_SYS_KERNEL_H_ */ 107