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Source at commit 1083 created 13 years 1 month ago. By meklort, add GetDriveInfo | |
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1 | /*␊ |
2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.␊ |
3 | *␊ |
4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@␊ |
5 | * ␊ |
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.␊ |
14 | * ␊ |
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␊ |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
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.␊ |
25 | * ␊ |
26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@␊ |
27 | */␊ |
28 | /*␊ |
29 | * @OSF_COPYRIGHT@␊ |
30 | */␊ |
31 | /* ␊ |
32 | * Mach Operating System␊ |
33 | * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University␊ |
34 | * All Rights Reserved.␊ |
35 | * ␊ |
36 | * Permission to use, copy, modify and distribute this software and its␊ |
37 | * documentation is hereby granted, provided that both the copyright␊ |
38 | * notice and this permission notice appear in all copies of the␊ |
39 | * software, derivative works or modified versions, and any portions␊ |
40 | * thereof, and that both notices appear in supporting documentation.␊ |
41 | * ␊ |
42 | * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"␊ |
43 | * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR␊ |
44 | * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.␊ |
45 | * ␊ |
46 | * Carnegie Mellon requests users of this software to return to␊ |
47 | * ␊ |
48 | * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU␊ |
49 | * School of Computer Science␊ |
50 | * Carnegie Mellon University␊ |
51 | * Pittsburgh PA 15213-3890␊ |
52 | * ␊ |
53 | * any improvements or extensions that they make and grant Carnegie Mellon␊ |
54 | * the rights to redistribute these changes.␊ |
55 | */␊ |
56 | ␊ |
57 | #ifndef␉_MACH_TIME_VALUE_H_␊ |
58 | #define␉_MACH_TIME_VALUE_H_␊ |
59 | ␊ |
60 | #include <mach/machine/vm_types.h>␊ |
61 | ␊ |
62 | /*␊ |
63 | *␉Time value returned by kernel.␊ |
64 | */␊ |
65 | ␊ |
66 | struct time_value {␊ |
67 | ␉integer_t seconds;␊ |
68 | ␉integer_t microseconds;␊ |
69 | };␊ |
70 | ␊ |
71 | typedef␉struct time_value␉time_value_t;␊ |
72 | ␊ |
73 | /*␊ |
74 | *␉Macros to manipulate time values. Assume that time values␊ |
75 | *␉are normalized (microseconds <= 999999).␊ |
76 | */␊ |
77 | #define␉TIME_MICROS_MAX␉(1000000)␊ |
78 | ␊ |
79 | #define␉time_value_add_usec(val, micros)␉{␉\␊ |
80 | ␉if (((val)->microseconds += (micros))␉␉\␊ |
81 | ␉␉>= TIME_MICROS_MAX) {␉␉␉\␊ |
82 | ␉ (val)->microseconds -= TIME_MICROS_MAX;␉\␊ |
83 | ␉ (val)->seconds++;␉␉␉␉\␊ |
84 | ␉}␉␉␉␉␉␉\␊ |
85 | }␊ |
86 | ␊ |
87 | #define␉time_value_add(result, addend)␉␉{␉␉\␊ |
88 | ␉(result)->microseconds += (addend)->microseconds;␉\␊ |
89 | ␉(result)->seconds += (addend)->seconds;␉␉␉\␊ |
90 | ␉if ((result)->microseconds >= TIME_MICROS_MAX) {␉\␊ |
91 | ␉ (result)->microseconds -= TIME_MICROS_MAX;␉␉\␊ |
92 | ␉ (result)->seconds++;␉␉␉␉\␊ |
93 | ␉}␉␉␉␉␉␉␉\␊ |
94 | }␊ |
95 | ␊ |
96 | #endif␉/* _MACH_TIME_VALUE_H_ */␊ |
97 |