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1/*
2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3 *
6601e61a 4 * @APPLE_LICENSE_HEADER_START@
1c79356b 5 *
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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.
8f6c56a5 11 *
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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
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14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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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.
8f6c56a5 19 *
6601e61a 20 * @APPLE_LICENSE_HEADER_END@
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21 */
22/*
23 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
24 *
25 * HISTORY
26 *
27 */
28
29#ifndef _OS_OSBASE_H
30#define _OS_OSBASE_H
31
32#include <sys/cdefs.h>
33
34#include <libkern/OSTypes.h>
35
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36#include <stdint.h>
37
38__BEGIN_DECLS
39
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40#ifdef KERNEL_PRIVATE
41
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42OS_INLINE
43uint64_t
44__OSAbsoluteTime(
45 AbsoluteTime abstime)
46{
47 return (*(uint64_t *)&abstime);
48}
49
50OS_INLINE
51uint64_t *
52__OSAbsoluteTimePtr(
53 AbsoluteTime *abstime)
54{
55 return ((uint64_t *)abstime);
56}
57
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58#define AbsoluteTime_to_scalar(x) (*(uint64_t *)(x))
59
60/* t1 < = > t2 */
61#define CMP_ABSOLUTETIME(t1, t2) \
62 (AbsoluteTime_to_scalar(t1) > \
63 AbsoluteTime_to_scalar(t2)? (int)+1 : \
64 (AbsoluteTime_to_scalar(t1) < \
65 AbsoluteTime_to_scalar(t2)? (int)-1 : 0))
66
67/* t1 += t2 */
68#define ADD_ABSOLUTETIME(t1, t2) \
69 (AbsoluteTime_to_scalar(t1) += \
70 AbsoluteTime_to_scalar(t2))
71
72/* t1 -= t2 */
73#define SUB_ABSOLUTETIME(t1, t2) \
74 (AbsoluteTime_to_scalar(t1) -= \
75 AbsoluteTime_to_scalar(t2))
76
77#define ADD_ABSOLUTETIME_TICKS(t1, ticks) \
78 (AbsoluteTime_to_scalar(t1) += \
79 (int32_t)(ticks))
80
81#endif /* KERNEL_PRIVATE */
82
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83__END_DECLS
84
1c79356b 85#endif /* _OS_OSBASE_H */