1 /*
2 * Copyright (c) 2021 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15 #ifndef POWERMGR_POWER_MGR_TIME_UTIL_H
16 #define POWERMGR_POWER_MGR_TIME_UTIL_H
17
18 #include <stdint.h>
19
20 #include <time.h>
21
22 #ifdef __cplusplus
23 extern "C" {
24 #endif // __cplusplus
25
26 enum {
27 NSEC_PER_MIN = 60000000000LL,
28 NSEC_PER_SEC = 1000000000LL,
29 NSEC_PER_MSEC = 1000000LL,
30 NSEC_PER_USEC = 1000LL,
31 USEC_PER_SEC = 1000000LL,
32 USEC_PER_MSEC = 1000LL,
33 MSEC_PER_DAY = 86400000LL,
34 MSEC_PER_HOUR = 3600000LL,
35 MSEC_PER_MIN = 60000LL,
36 MSEC_PER_SEC = 1000LL,
37 SEC_PER_MIN = 60LL,
38 SEC_PER_HOUR = 3600LL,
39 SEC_PER_DAY = 86400LL,
40 MIN_PER_HOUR = 60LL,
41 HOUR_PER_DAY = 24LL,
42 };
43
NsecToUsec(int64_t nsec)44 static inline int64_t NsecToUsec(int64_t nsec)
45 {
46 return nsec / NSEC_PER_USEC;
47 }
48
NsecToMsec(int64_t nsec)49 static inline int64_t NsecToMsec(int64_t nsec)
50 {
51 return nsec / NSEC_PER_MSEC;
52 }
53
UsecToMsec(int64_t usec)54 static inline int64_t UsecToMsec(int64_t usec)
55 {
56 return usec / USEC_PER_MSEC;
57 }
58
MsecToNsec(int64_t msec)59 static inline int64_t MsecToNsec(int64_t msec)
60 {
61 return msec * NSEC_PER_MSEC;
62 }
63
MsecToUsec(int64_t msec)64 static inline int64_t MsecToUsec(int64_t msec)
65 {
66 return msec * USEC_PER_MSEC;
67 }
68
MsecToSec(int64_t msec)69 static inline int64_t MsecToSec(int64_t msec)
70 {
71 return msec / MSEC_PER_SEC;
72 }
73
MsecToMin(int64_t msec)74 static inline int64_t MsecToMin(int64_t msec)
75 {
76 return msec / MSEC_PER_MIN;
77 }
78
MsecToHour(int64_t msec)79 static inline int64_t MsecToHour(int64_t msec)
80 {
81 return msec / MSEC_PER_HOUR;
82 }
83
SecToNsec(int64_t sec)84 static inline int64_t SecToNsec(int64_t sec)
85 {
86 return sec * NSEC_PER_SEC;
87 }
88
SecToMsec(int64_t sec)89 static inline int64_t SecToMsec(int64_t sec)
90 {
91 return sec * MSEC_PER_SEC;
92 }
93
MinToNsec(int64_t mins)94 static inline int64_t MinToNsec(int64_t mins)
95 {
96 return mins * NSEC_PER_MIN;
97 }
98
MinToMsec(int64_t mins)99 static inline int64_t MinToMsec(int64_t mins)
100 {
101 return mins * MSEC_PER_MIN;
102 }
103
HourToMsec(int64_t hour)104 static inline int64_t HourToMsec(int64_t hour)
105 {
106 return hour * MSEC_PER_HOUR;
107 }
108
DayToMsec(int64_t day)109 static inline int64_t DayToMsec(int64_t day)
110 {
111 return day * MSEC_PER_DAY;
112 }
113
114 int64_t GetCurrentTimeMsec(clockid_t clkId);
115
116 #ifdef __cplusplus
117 }
118 #endif // __cplusplus
119 #endif // POWERMGR_POWER_MGR_TIME_UTIL_H
120