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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> | |
cb0dac05 | 25 | #include <inttypes.h> |
9a98c7a1 LP |
26 | |
27 | typedef uint64_t usec_t; | |
28 | typedef uint64_t nsec_t; | |
29 | ||
ccd06097 ZJS |
30 | #define NSEC_FMT "%" PRIu64 |
31 | #define USEC_FMT "%" PRIu64 | |
32 | ||
9a98c7a1 LP |
33 | #include "macro.h" |
34 | ||
35 | typedef struct dual_timestamp { | |
36 | usec_t realtime; | |
37 | usec_t monotonic; | |
38 | } dual_timestamp; | |
39 | ||
609e002e LP |
40 | #define MSEC_PER_SEC ((usec_t) 1000ULL) |
41 | #define USEC_PER_SEC ((usec_t) 1000000ULL) | |
42 | #define USEC_PER_MSEC ((usec_t) 1000ULL) | |
43 | #define NSEC_PER_SEC ((usec_t) 1000000000ULL) | |
44 | #define NSEC_PER_MSEC ((usec_t) 1000000ULL) | |
45 | #define NSEC_PER_USEC ((usec_t) 1000ULL) | |
46 | ||
47 | #define USEC_PER_MINUTE ((usec_t) (60ULL*USEC_PER_SEC)) | |
48 | #define NSEC_PER_MINUTE ((usec_t) (60ULL*NSEC_PER_SEC)) | |
49 | #define USEC_PER_HOUR ((usec_t) (60ULL*USEC_PER_MINUTE)) | |
50 | #define NSEC_PER_HOUR ((usec_t) (60ULL*NSEC_PER_MINUTE)) | |
51 | #define USEC_PER_DAY ((usec_t) (24ULL*USEC_PER_HOUR)) | |
52 | #define NSEC_PER_DAY ((usec_t) (24ULL*NSEC_PER_HOUR)) | |
53 | #define USEC_PER_WEEK ((usec_t) (7ULL*USEC_PER_DAY)) | |
54 | #define NSEC_PER_WEEK ((usec_t) (7ULL*NSEC_PER_DAY)) | |
55 | #define USEC_PER_MONTH ((usec_t) (2629800ULL*USEC_PER_SEC)) | |
56 | #define NSEC_PER_MONTH ((usec_t) (2629800ULL*NSEC_PER_SEC)) | |
57 | #define USEC_PER_YEAR ((usec_t) (31557600ULL*USEC_PER_SEC)) | |
58 | #define NSEC_PER_YEAR ((usec_t) (31557600ULL*NSEC_PER_SEC)) | |
9a98c7a1 | 59 | |
f0d7b0fc | 60 | #define FORMAT_TIMESTAMP_MAX ((4*4+1)+11+9+4+1) /* weekdays can be unicode */ |
9185c8e6 | 61 | #define FORMAT_TIMESTAMP_RELATIVE_MAX 256 |
9a98c7a1 LP |
62 | #define FORMAT_TIMESPAN_MAX 64 |
63 | ||
842129f5 LP |
64 | #define DUAL_TIMESTAMP_NULL ((struct dual_timestamp) { 0, 0 }) |
65 | ||
9a98c7a1 LP |
66 | usec_t now(clockid_t clock); |
67 | ||
68 | dual_timestamp* dual_timestamp_get(dual_timestamp *ts); | |
69 | dual_timestamp* dual_timestamp_from_realtime(dual_timestamp *ts, usec_t u); | |
cae0c5e0 | 70 | dual_timestamp* dual_timestamp_from_monotonic(dual_timestamp *ts, usec_t u); |
9a98c7a1 | 71 | |
966204e0 LP |
72 | static inline bool dual_timestamp_is_set(dual_timestamp *ts) { |
73 | return ((ts->realtime > 0 && ts->realtime != (usec_t) -1) || | |
74 | (ts->monotonic > 0 && ts->monotonic != (usec_t) -1)); | |
75 | } | |
9a98c7a1 | 76 | |
44a6b1b6 | 77 | usec_t timespec_load(const struct timespec *ts) _pure_; |
9a98c7a1 LP |
78 | struct timespec *timespec_store(struct timespec *ts, usec_t u); |
79 | ||
44a6b1b6 | 80 | usec_t timeval_load(const struct timeval *tv) _pure_; |
9a98c7a1 LP |
81 | struct timeval *timeval_store(struct timeval *tv, usec_t u); |
82 | ||
83 | char *format_timestamp(char *buf, size_t l, usec_t t); | |
f02d8367 | 84 | char *format_timestamp_us(char *buf, size_t l, usec_t t); |
bbb8486e | 85 | char *format_timestamp_relative(char *buf, size_t l, usec_t t); |
2fa4092c | 86 | char *format_timespan(char *buf, size_t l, usec_t t, usec_t accuracy); |
9a98c7a1 LP |
87 | |
88 | void dual_timestamp_serialize(FILE *f, const char *name, dual_timestamp *t); | |
89 | void dual_timestamp_deserialize(const char *value, dual_timestamp *t); | |
90 | ||
91 | int parse_timestamp(const char *t, usec_t *usec); | |
92 | ||
7f602784 | 93 | int parse_sec(const char *t, usec_t *usec); |
9a98c7a1 | 94 | int parse_nsec(const char *t, nsec_t *nsec); |
03cc26dd LP |
95 | |
96 | bool ntp_synced(void); |