projects / apple / xnu.git / blame
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|---|---|---|
| 1c79356b A |
1 | /* |
| 2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 2d21ac55 | 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
| 1c79356b | 5 | * |
| 2d21ac55 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 License | |
| 10 | * may not be used to create, or enable the creation or redistribution of, | |
| 11 | * unlawful or unlicensed copies of an Apple operating system, or to | |
| 12 | * circumvent, violate, or enable the circumvention or violation of, any | |
| 13 | * terms of an Apple operating system software license agreement. | |
| 8f6c56a5 | 14 | * |
| 2d21ac55 A |
15 | * Please obtain a copy of the License at |
| 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. | |
| 17 | * | |
| 18 | * The Original Code and all software distributed under the License are | |
| 19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 8f6c56a5 A |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 2d21ac55 A |
22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| 23 | * Please see the License for the specific language governing rights and | |
| 24 | * limitations under the License. | |
| 8f6c56a5 | 25 | * |
| 2d21ac55 | 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
| 1c79356b A |
27 | */ |
| 28 | /* | |
| 29 | * @OSF_COPYRIGHT@ | |
| 30 | */ | |
| 31 | /* | |
| 32 | * HISTORY | |
| 33 | * | |
| 34 | * Revision 1.1.1.1 1998/09/22 21:05:48 wsanchez | |
| 35 | * Import of Mac OS X kernel (~semeria) | |
| 36 | * | |
| 37 | * Revision 1.1.1.1 1998/03/07 02:25:59 wsanchez | |
| 38 | * Import of OSF Mach kernel (~mburg) | |
| 39 | * | |
| 40 | * Revision 1.2.6.1 1994/09/23 03:13:17 ezf | |
| 41 | * change marker to not FREE | |
| 42 | * [1994/09/22 21:58:56 ezf] | |
| 43 | * | |
| 44 | * Revision 1.2.2.2 1993/06/09 02:55:33 gm | |
| 45 | * Added to OSF/1 R1.3 from NMK15.0. | |
| 46 | * [1993/06/02 21:31:02 jeffc] | |
| 47 | * | |
| 48 | * Revision 1.2 1993/04/19 17:17:07 devrcs | |
| 49 | * Fixes for ANSI C | |
| 50 | * [1993/02/26 14:02:46 sp] | |
| 51 | * | |
| 52 | * Revision 1.1 1992/09/30 02:36:58 robert | |
| 53 | * Initial revision | |
| 54 | * | |
| 55 | * $EndLog$ | |
| 56 | */ | |
| 57 | /* CMU_HIST */ | |
| 58 | /* | |
| 59 | * Revision 2.3 91/05/14 17:40:25 mrt | |
| 60 | * Correcting copyright | |
| 61 | * | |
| 62 | * Revision 2.2 91/02/05 17:56:58 mrt | |
| 63 | * Changed to new Mach copyright | |
| 64 | * [91/02/01 17:49:29 mrt] | |
| 65 | * | |
| 66 | */ | |
| 67 | /* CMU_ENDHIST */ | |
| 68 | /* | |
| 69 | * Mach Operating System | |
| 70 | * Copyright (c) 1991 Carnegie Mellon University | |
| 71 | * All Rights Reserved. | |
| 72 | * | |
| 73 | * Permission to use, copy, modify and distribute this software and its | |
| 74 | * documentation is hereby granted, provided that both the copyright | |
| 75 | * notice and this permission notice appear in all copies of the | |
| 76 | * software, derivative works or modified versions, and any portions | |
| 77 | * thereof, and that both notices appear in supporting documentation. | |
| 78 | * | |
| 79 | * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" | |
| 80 | * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR | |
| 81 | * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. | |
| 82 | * | |
| 83 | * Carnegie Mellon requests users of this software to return to | |
| 84 | * | |
| 85 | * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU | |
| 86 | * School of Computer Science | |
| 87 | * Carnegie Mellon University | |
| 88 | * Pittsburgh PA 15213-3890 | |
| 89 | * | |
| 90 | * any improvements or extensions that they make and grant Carnegie Mellon rights | |
| 91 | * to redistribute these changes. | |
| 92 | */ | |
| 93 | /* | |
| 94 | */ | |
| 95 | /* | |
| 96 | * Time-keeper for kernel IO devices. | |
| 97 | * | |
| 98 | * May or may not have any relation to wall-clock time. | |
| 99 | */ | |
| 100 | ||
| 101 | #ifndef _SYS_TIME_H_ | |
| 102 | #define _SYS_TIME_H_ | |
| 103 | #include <mach/time_value.h> | |
| 104 | ||
| 105 | extern time_value_t time; | |
| 106 | ||
| 107 | /* | |
| 108 | * Definitions to keep old code happy. | |
| 109 | */ | |
| 110 | #define timeval_t time_value_t | |
| 111 | #define timeval time_value | |
| 112 | #define tv_sec seconds | |
| 113 | #define tv_usec microseconds | |
| 114 | ||
| 115 | #define timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec) | |
| 116 | #define timercmp(tvp, uvp, cmp) \ | |
| 117 | ((tvp)->tv_sec cmp (uvp)->tv_sec || \ | |
| 118 | (tvp)->tv_sec == (uvp)->tv_sec && (tvp)->tv_usec cmp (uvp)->tv_usec) | |
| 119 | #define timerclear(tvp) (tvp)->tv_sec = (tvp)->tv_usec = 0 | |
| 120 | #endif /* _SYS_TIME_H_ */ |