1/* 2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_LICENSE_HEADER_START@ 5 * 6 * The contents of this file constitute Original Code as defined in and 7 * are subject to the Apple Public Source License Version 1.1 (the 8 * "License"). You may not use this file except in compliance with the 9 * License. Please obtain a copy of the License at 10 * http://www.apple.com/publicsource and read it before using this file. 11 * 12 * This Original Code and all software distributed under the License are 13 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER 14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the 17 * License for the specific language governing rights and limitations 18 * under the License. 19 * 20 * @APPLE_LICENSE_HEADER_END@ 21 */ 22/* 23 * @OSF_COPYRIGHT@ 24 */ 25/* 26 * HISTORY 27 * 28 * Revision 1.1.1.1 1998/09/22 21:05:48 wsanchez 29 * Import of Mac OS X kernel (~semeria) 30 * 31 * Revision 1.1.1.1 1998/03/07 02:25:59 wsanchez 32 * Import of OSF Mach kernel (~mburg) 33 * 34 * Revision 1.2.6.1 1994/09/23 03:13:17 ezf 35 * change marker to not FREE 36 * [1994/09/22 21:58:56 ezf] 37 * 38 * Revision 1.2.2.2 1993/06/09 02:55:33 gm 39 * Added to OSF/1 R1.3 from NMK15.0. 40 * [1993/06/02 21:31:02 jeffc] 41 * 42 * Revision 1.2 1993/04/19 17:17:07 devrcs 43 * Fixes for ANSI C 44 * [1993/02/26 14:02:46 sp] 45 * 46 * Revision 1.1 1992/09/30 02:36:58 robert 47 * Initial revision 48 * 49 * $EndLog$ 50 */ 51/* CMU_HIST */ 52/* 53 * Revision 2.3 91/05/14 17:40:25 mrt 54 * Correcting copyright 55 * 56 * Revision 2.2 91/02/05 17:56:58 mrt 57 * Changed to new Mach copyright 58 * [91/02/01 17:49:29 mrt] 59 * 60 */ 61/* CMU_ENDHIST */ 62/* 63 * Mach Operating System 64 * Copyright (c) 1991 Carnegie Mellon University 65 * All Rights Reserved. 66 * 67 * Permission to use, copy, modify and distribute this software and its 68 * documentation is hereby granted, provided that both the copyright 69 * notice and this permission notice appear in all copies of the 70 * software, derivative works or modified versions, and any portions 71 * thereof, and that both notices appear in supporting documentation. 72 * 73 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 74 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 75 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 76 * 77 * Carnegie Mellon requests users of this software to return to 78 * 79 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 80 * School of Computer Science 81 * Carnegie Mellon University 82 * Pittsburgh PA 15213-3890 83 * 84 * any improvements or extensions that they make and grant Carnegie Mellon rights 85 * to redistribute these changes. 86 */ 87/* 88 */ 89/* 90 * Time-keeper for kernel IO devices. 91 * 92 * May or may not have any relation to wall-clock time. 93 */ 94 95#ifndef _SYS_TIME_H_ 96#define _SYS_TIME_H_ 97#include <mach/time_value.h> 98 99extern time_value_t time; 100 101/* 102 * Definitions to keep old code happy. 103 */ 104#define timeval_t time_value_t 105#define timeval time_value 106#define tv_sec seconds 107#define tv_usec microseconds 108 109#define timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec) 110#define timercmp(tvp, uvp, cmp) \ 111 ((tvp)->tv_sec cmp (uvp)->tv_sec || \ 112 (tvp)->tv_sec == (uvp)->tv_sec && (tvp)->tv_usec cmp (uvp)->tv_usec) 113#define timerclear(tvp) (tvp)->tv_sec = (tvp)->tv_usec = 0 114#endif /* _SYS_TIME_H_ */ 115