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 | * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. |
30 | * |
31 | * HISTORY |
32 | * |
33 | */ |
34 | |
35 | #ifndef _OS_OSBASE_H |
36 | #define _OS_OSBASE_H |
37 | |
38 | #include <sys/cdefs.h> |
39 | |
40 | #include <libkern/OSTypes.h> |
41 | |
42 | #include <stdint.h> |
43 | |
44 | __BEGIN_DECLS |
45 | |
46 | #ifdef KERNEL_PRIVATE |
47 | |
48 | OS_INLINE |
49 | uint64_t |
50 | __OSAbsoluteTime( |
51 | AbsoluteTime abstime) |
52 | { |
53 | return (*(uint64_t *)&abstime); |
54 | } |
55 | |
56 | OS_INLINE |
57 | uint64_t * |
58 | __OSAbsoluteTimePtr( |
59 | AbsoluteTime *abstime) |
60 | { |
61 | return ((uint64_t *)abstime); |
62 | } |
63 | |
64 | #define AbsoluteTime_to_scalar(x) (*(uint64_t *)(x)) |
65 | |
66 | /* t1 < = > t2 */ |
67 | #define CMP_ABSOLUTETIME(t1, t2) \ |
68 | (AbsoluteTime_to_scalar(t1) > \ |
69 | AbsoluteTime_to_scalar(t2)? (int)+1 : \ |
70 | (AbsoluteTime_to_scalar(t1) < \ |
71 | AbsoluteTime_to_scalar(t2)? (int)-1 : 0)) |
72 | |
73 | /* t1 += t2 */ |
74 | #define ADD_ABSOLUTETIME(t1, t2) \ |
75 | (AbsoluteTime_to_scalar(t1) += \ |
76 | AbsoluteTime_to_scalar(t2)) |
77 | |
78 | /* t1 -= t2 */ |
79 | #define SUB_ABSOLUTETIME(t1, t2) \ |
80 | (AbsoluteTime_to_scalar(t1) -= \ |
81 | AbsoluteTime_to_scalar(t2)) |
82 | |
83 | #define ADD_ABSOLUTETIME_TICKS(t1, ticks) \ |
84 | (AbsoluteTime_to_scalar(t1) += \ |
85 | (int32_t)(ticks)) |
86 | |
87 | #endif /* KERNEL_PRIVATE */ |
88 | |
89 | __END_DECLS |
90 | |
91 | #endif /* _OS_OSBASE_H */ |
92 | |