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9a98c7a1 LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | #pragma once | |
4 | ||
5 | /*** | |
6 | This file is part of systemd. | |
7 | ||
8 | Copyright 2010 Lennart Poettering | |
9 | ||
10 | systemd is free software; you can redistribute it and/or modify it | |
11 | under the terms of the GNU Lesser General Public License as published by | |
12 | the Free Software Foundation; either version 2.1 of the License, or | |
13 | (at your option) any later version. | |
14 | ||
15 | systemd is distributed in the hope that it will be useful, but | |
16 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
18 | Lesser General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU Lesser General Public License | |
21 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
22 | ***/ | |
23 | ||
24 | #include <stdio.h> | |
25 | ||
26 | typedef uint64_t usec_t; | |
27 | typedef uint64_t nsec_t; | |
28 | ||
29 | #include "macro.h" | |
30 | ||
31 | typedef struct dual_timestamp { | |
32 | usec_t realtime; | |
33 | usec_t monotonic; | |
34 | } dual_timestamp; | |
35 | ||
36 | #define MSEC_PER_SEC 1000ULL | |
37 | #define USEC_PER_SEC 1000000ULL | |
38 | #define USEC_PER_MSEC 1000ULL | |
39 | #define NSEC_PER_SEC 1000000000ULL | |
40 | #define NSEC_PER_MSEC 1000000ULL | |
41 | #define NSEC_PER_USEC 1000ULL | |
42 | ||
43 | #define USEC_PER_MINUTE (60ULL*USEC_PER_SEC) | |
44 | #define NSEC_PER_MINUTE (60ULL*NSEC_PER_SEC) | |
45 | #define USEC_PER_HOUR (60ULL*USEC_PER_MINUTE) | |
46 | #define NSEC_PER_HOUR (60ULL*NSEC_PER_MINUTE) | |
47 | #define USEC_PER_DAY (24ULL*USEC_PER_HOUR) | |
48 | #define NSEC_PER_DAY (24ULL*NSEC_PER_HOUR) | |
49 | #define USEC_PER_WEEK (7ULL*USEC_PER_DAY) | |
50 | #define NSEC_PER_WEEK (7ULL*NSEC_PER_DAY) | |
51 | #define USEC_PER_MONTH (2629800ULL*USEC_PER_SEC) | |
52 | #define NSEC_PER_MONTH (2629800ULL*NSEC_PER_SEC) | |
53 | #define USEC_PER_YEAR (31557600ULL*USEC_PER_SEC) | |
54 | #define NSEC_PER_YEAR (31557600ULL*NSEC_PER_SEC) | |
55 | ||
f0d7b0fc | 56 | #define FORMAT_TIMESTAMP_MAX ((4*4+1)+11+9+4+1) /* weekdays can be unicode */ |
9185c8e6 | 57 | #define FORMAT_TIMESTAMP_RELATIVE_MAX 256 |
9a98c7a1 LP |
58 | #define FORMAT_TIMESPAN_MAX 64 |
59 | ||
60 | usec_t now(clockid_t clock); | |
61 | ||
62 | dual_timestamp* dual_timestamp_get(dual_timestamp *ts); | |
63 | dual_timestamp* dual_timestamp_from_realtime(dual_timestamp *ts, usec_t u); | |
cae0c5e0 | 64 | dual_timestamp* dual_timestamp_from_monotonic(dual_timestamp *ts, usec_t u); |
9a98c7a1 LP |
65 | |
66 | #define dual_timestamp_is_set(ts) ((ts)->realtime > 0) | |
67 | ||
68 | usec_t timespec_load(const struct timespec *ts); | |
69 | struct timespec *timespec_store(struct timespec *ts, usec_t u); | |
70 | ||
71 | usec_t timeval_load(const struct timeval *tv); | |
72 | struct timeval *timeval_store(struct timeval *tv, usec_t u); | |
73 | ||
74 | char *format_timestamp(char *buf, size_t l, usec_t t); | |
bbb8486e | 75 | char *format_timestamp_relative(char *buf, size_t l, usec_t t); |
9a98c7a1 LP |
76 | char *format_timespan(char *buf, size_t l, usec_t t); |
77 | ||
78 | void dual_timestamp_serialize(FILE *f, const char *name, dual_timestamp *t); | |
79 | void dual_timestamp_deserialize(const char *value, dual_timestamp *t); | |
80 | ||
81 | int parse_timestamp(const char *t, usec_t *usec); | |
82 | ||
83 | int parse_usec(const char *t, usec_t *usec); | |
84 | int parse_nsec(const char *t, nsec_t *nsec); |