From 9a98c7a156709ae16f7e043f866ecb452ce906f8 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Fri, 23 Nov 2012 22:07:24 +0100 Subject: util: split off time related calls from util.[ch] into time-util.[ch] --- src/shared/time-util.h | 83 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 83 insertions(+) create mode 100644 src/shared/time-util.h (limited to 'src/shared/time-util.h') diff --git a/src/shared/time-util.h b/src/shared/time-util.h new file mode 100644 index 0000000000..6b69940eb5 --- /dev/null +++ b/src/shared/time-util.h @@ -0,0 +1,83 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +#pragma once + +/*** + This file is part of systemd. + + Copyright 2010 Lennart Poettering + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see . +***/ + +#include + +typedef uint64_t usec_t; +typedef uint64_t nsec_t; + +#include "macro.h" + +typedef struct dual_timestamp { + usec_t realtime; + usec_t monotonic; +} dual_timestamp; + +#define MSEC_PER_SEC 1000ULL +#define USEC_PER_SEC 1000000ULL +#define USEC_PER_MSEC 1000ULL +#define NSEC_PER_SEC 1000000000ULL +#define NSEC_PER_MSEC 1000000ULL +#define NSEC_PER_USEC 1000ULL + +#define USEC_PER_MINUTE (60ULL*USEC_PER_SEC) +#define NSEC_PER_MINUTE (60ULL*NSEC_PER_SEC) +#define USEC_PER_HOUR (60ULL*USEC_PER_MINUTE) +#define NSEC_PER_HOUR (60ULL*NSEC_PER_MINUTE) +#define USEC_PER_DAY (24ULL*USEC_PER_HOUR) +#define NSEC_PER_DAY (24ULL*NSEC_PER_HOUR) +#define USEC_PER_WEEK (7ULL*USEC_PER_DAY) +#define NSEC_PER_WEEK (7ULL*NSEC_PER_DAY) +#define USEC_PER_MONTH (2629800ULL*USEC_PER_SEC) +#define NSEC_PER_MONTH (2629800ULL*NSEC_PER_SEC) +#define USEC_PER_YEAR (31557600ULL*USEC_PER_SEC) +#define NSEC_PER_YEAR (31557600ULL*NSEC_PER_SEC) + +#define FORMAT_TIMESTAMP_MAX (6+11+9+4+1) +#define FORMAT_TIMESTAMP_PRETTY_MAX 256 +#define FORMAT_TIMESPAN_MAX 64 + +usec_t now(clockid_t clock); + +dual_timestamp* dual_timestamp_get(dual_timestamp *ts); +dual_timestamp* dual_timestamp_from_realtime(dual_timestamp *ts, usec_t u); + +#define dual_timestamp_is_set(ts) ((ts)->realtime > 0) + +usec_t timespec_load(const struct timespec *ts); +struct timespec *timespec_store(struct timespec *ts, usec_t u); + +usec_t timeval_load(const struct timeval *tv); +struct timeval *timeval_store(struct timeval *tv, usec_t u); + +char *format_timestamp(char *buf, size_t l, usec_t t); +char *format_timestamp_pretty(char *buf, size_t l, usec_t t); +char *format_timespan(char *buf, size_t l, usec_t t); + +void dual_timestamp_serialize(FILE *f, const char *name, dual_timestamp *t); +void dual_timestamp_deserialize(const char *value, dual_timestamp *t); + +int parse_timestamp(const char *t, usec_t *usec); + +int parse_usec(const char *t, usec_t *usec); +int parse_nsec(const char *t, nsec_t *nsec); -- cgit v1.2.3-54-g00ecf