]>
Commit | Line | Data |
---|---|---|
1 | /* | |
2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. | |
3 | * | |
4 | * @APPLE_LICENSE_HEADER_START@ | |
5 | * | |
6 | * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. | |
7 | * | |
8 | * This file contains Original Code and/or Modifications of Original Code | |
9 | * as defined in and that are subject to the Apple Public Source License | |
10 | * Version 2.0 (the 'License'). You may not use this file except in | |
11 | * compliance with the License. Please obtain a copy of the License at | |
12 | * http://www.opensource.apple.com/apsl/ and read it before using this | |
13 | * file. | |
14 | * | |
15 | * The Original Code and all software distributed under the License are | |
16 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
17 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
18 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
19 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. | |
20 | * Please see the License for the specific language governing rights and | |
21 | * limitations under the License. | |
22 | * | |
23 | * @APPLE_LICENSE_HEADER_END@ | |
24 | */ | |
25 | /* | |
26 | * @OSF_COPYRIGHT@ | |
27 | */ | |
28 | /* | |
29 | * HISTORY | |
30 | * | |
31 | * Revision 1.1.1.1 1998/09/22 21:05:48 wsanchez | |
32 | * Import of Mac OS X kernel (~semeria) | |
33 | * | |
34 | * Revision 1.1.1.1 1998/03/07 02:25:59 wsanchez | |
35 | * Import of OSF Mach kernel (~mburg) | |
36 | * | |
37 | * Revision 1.2.6.1 1994/09/23 03:13:17 ezf | |
38 | * change marker to not FREE | |
39 | * [1994/09/22 21:58:56 ezf] | |
40 | * | |
41 | * Revision 1.2.2.2 1993/06/09 02:55:33 gm | |
42 | * Added to OSF/1 R1.3 from NMK15.0. | |
43 | * [1993/06/02 21:31:02 jeffc] | |
44 | * | |
45 | * Revision 1.2 1993/04/19 17:17:07 devrcs | |
46 | * Fixes for ANSI C | |
47 | * [1993/02/26 14:02:46 sp] | |
48 | * | |
49 | * Revision 1.1 1992/09/30 02:36:58 robert | |
50 | * Initial revision | |
51 | * | |
52 | * $EndLog$ | |
53 | */ | |
54 | /* CMU_HIST */ | |
55 | /* | |
56 | * Revision 2.3 91/05/14 17:40:25 mrt | |
57 | * Correcting copyright | |
58 | * | |
59 | * Revision 2.2 91/02/05 17:56:58 mrt | |
60 | * Changed to new Mach copyright | |
61 | * [91/02/01 17:49:29 mrt] | |
62 | * | |
63 | */ | |
64 | /* CMU_ENDHIST */ | |
65 | /* | |
66 | * Mach Operating System | |
67 | * Copyright (c) 1991 Carnegie Mellon University | |
68 | * All Rights Reserved. | |
69 | * | |
70 | * Permission to use, copy, modify and distribute this software and its | |
71 | * documentation is hereby granted, provided that both the copyright | |
72 | * notice and this permission notice appear in all copies of the | |
73 | * software, derivative works or modified versions, and any portions | |
74 | * thereof, and that both notices appear in supporting documentation. | |
75 | * | |
76 | * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" | |
77 | * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR | |
78 | * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. | |
79 | * | |
80 | * Carnegie Mellon requests users of this software to return to | |
81 | * | |
82 | * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU | |
83 | * School of Computer Science | |
84 | * Carnegie Mellon University | |
85 | * Pittsburgh PA 15213-3890 | |
86 | * | |
87 | * any improvements or extensions that they make and grant Carnegie Mellon rights | |
88 | * to redistribute these changes. | |
89 | */ | |
90 | /* | |
91 | */ | |
92 | /* | |
93 | * Time-keeper for kernel IO devices. | |
94 | * | |
95 | * May or may not have any relation to wall-clock time. | |
96 | */ | |
97 | ||
98 | #ifndef _SYS_TIME_H_ | |
99 | #define _SYS_TIME_H_ | |
100 | #include <mach/time_value.h> | |
101 | ||
102 | extern time_value_t time; | |
103 | ||
104 | /* | |
105 | * Definitions to keep old code happy. | |
106 | */ | |
107 | #define timeval_t time_value_t | |
108 | #define timeval time_value | |
109 | #define tv_sec seconds | |
110 | #define tv_usec microseconds | |
111 | ||
112 | #define timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec) | |
113 | #define timercmp(tvp, uvp, cmp) \ | |
114 | ((tvp)->tv_sec cmp (uvp)->tv_sec || \ | |
115 | (tvp)->tv_sec == (uvp)->tv_sec && (tvp)->tv_usec cmp (uvp)->tv_usec) | |
116 | #define timerclear(tvp) (tvp)->tv_sec = (tvp)->tv_usec = 0 | |
117 | #endif /* _SYS_TIME_H_ */ |