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-rw-r--r--src/basic/time-util.h181
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diff --git a/src/basic/time-util.h b/src/basic/time-util.h
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--- a/src/basic/time-util.h
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@@ -1,181 +0,0 @@
-#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 <http://www.gnu.org/licenses/>.
-***/
-
-#include <inttypes.h>
-#include <stdbool.h>
-#include <stddef.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <time.h>
-
-typedef uint64_t usec_t;
-typedef uint64_t nsec_t;
-
-#define NSEC_FMT "%" PRIu64
-#define USEC_FMT "%" PRIu64
-
-#include "macro.h"
-
-typedef struct dual_timestamp {
- usec_t realtime;
- usec_t monotonic;
-} dual_timestamp;
-
-typedef struct triple_timestamp {
- usec_t realtime;
- usec_t monotonic;
- usec_t boottime;
-} triple_timestamp;
-
-#define USEC_INFINITY ((usec_t) -1)
-#define NSEC_INFINITY ((nsec_t) -1)
-
-#define MSEC_PER_SEC 1000ULL
-#define USEC_PER_SEC ((usec_t) 1000000ULL)
-#define USEC_PER_MSEC ((usec_t) 1000ULL)
-#define NSEC_PER_SEC ((nsec_t) 1000000000ULL)
-#define NSEC_PER_MSEC ((nsec_t) 1000000ULL)
-#define NSEC_PER_USEC ((nsec_t) 1000ULL)
-
-#define USEC_PER_MINUTE ((usec_t) (60ULL*USEC_PER_SEC))
-#define NSEC_PER_MINUTE ((nsec_t) (60ULL*NSEC_PER_SEC))
-#define USEC_PER_HOUR ((usec_t) (60ULL*USEC_PER_MINUTE))
-#define NSEC_PER_HOUR ((nsec_t) (60ULL*NSEC_PER_MINUTE))
-#define USEC_PER_DAY ((usec_t) (24ULL*USEC_PER_HOUR))
-#define NSEC_PER_DAY ((nsec_t) (24ULL*NSEC_PER_HOUR))
-#define USEC_PER_WEEK ((usec_t) (7ULL*USEC_PER_DAY))
-#define NSEC_PER_WEEK ((nsec_t) (7ULL*NSEC_PER_DAY))
-#define USEC_PER_MONTH ((usec_t) (2629800ULL*USEC_PER_SEC))
-#define NSEC_PER_MONTH ((nsec_t) (2629800ULL*NSEC_PER_SEC))
-#define USEC_PER_YEAR ((usec_t) (31557600ULL*USEC_PER_SEC))
-#define NSEC_PER_YEAR ((nsec_t) (31557600ULL*NSEC_PER_SEC))
-
-/* We assume a maximum timezone length of 6. TZNAME_MAX is not defined on Linux, but glibc internally initializes this
- * to 6. Let's rely on that. */
-#define FORMAT_TIMESTAMP_MAX (3+1+10+1+8+1+6+1+6+1)
-#define FORMAT_TIMESTAMP_WIDTH 28 /* when outputting, assume this width */
-#define FORMAT_TIMESTAMP_RELATIVE_MAX 256
-#define FORMAT_TIMESPAN_MAX 64
-
-#define TIME_T_MAX (time_t)((UINTMAX_C(1) << ((sizeof(time_t) << 3) - 1)) - 1)
-
-#define DUAL_TIMESTAMP_NULL ((struct dual_timestamp) {})
-#define TRIPLE_TIMESTAMP_NULL ((struct triple_timestamp) {})
-
-usec_t now(clockid_t clock);
-nsec_t now_nsec(clockid_t clock);
-
-dual_timestamp* dual_timestamp_get(dual_timestamp *ts);
-dual_timestamp* dual_timestamp_from_realtime(dual_timestamp *ts, usec_t u);
-dual_timestamp* dual_timestamp_from_monotonic(dual_timestamp *ts, usec_t u);
-dual_timestamp* dual_timestamp_from_boottime_or_monotonic(dual_timestamp *ts, usec_t u);
-
-triple_timestamp* triple_timestamp_get(triple_timestamp *ts);
-triple_timestamp* triple_timestamp_from_realtime(triple_timestamp *ts, usec_t u);
-
-#define DUAL_TIMESTAMP_HAS_CLOCK(clock) \
- IN_SET(clock, CLOCK_REALTIME, CLOCK_REALTIME_ALARM, CLOCK_MONOTONIC)
-
-#define TRIPLE_TIMESTAMP_HAS_CLOCK(clock) \
- IN_SET(clock, CLOCK_REALTIME, CLOCK_REALTIME_ALARM, CLOCK_MONOTONIC, CLOCK_BOOTTIME, CLOCK_BOOTTIME_ALARM)
-
-static inline bool dual_timestamp_is_set(dual_timestamp *ts) {
- return ((ts->realtime > 0 && ts->realtime != USEC_INFINITY) ||
- (ts->monotonic > 0 && ts->monotonic != USEC_INFINITY));
-}
-
-static inline bool triple_timestamp_is_set(triple_timestamp *ts) {
- return ((ts->realtime > 0 && ts->realtime != USEC_INFINITY) ||
- (ts->monotonic > 0 && ts->monotonic != USEC_INFINITY) ||
- (ts->boottime > 0 && ts->boottime != USEC_INFINITY));
-}
-
-usec_t triple_timestamp_by_clock(triple_timestamp *ts, clockid_t clock);
-
-usec_t timespec_load(const struct timespec *ts) _pure_;
-nsec_t timespec_load_nsec(const struct timespec *ts) _pure_;
-struct timespec *timespec_store(struct timespec *ts, usec_t u);
-
-usec_t timeval_load(const struct timeval *tv) _pure_;
-struct timeval *timeval_store(struct timeval *tv, usec_t u);
-
-char *format_timestamp(char *buf, size_t l, usec_t t);
-char *format_timestamp_utc(char *buf, size_t l, usec_t t);
-char *format_timestamp_us(char *buf, size_t l, usec_t t);
-char *format_timestamp_us_utc(char *buf, size_t l, usec_t t);
-char *format_timestamp_relative(char *buf, size_t l, usec_t t);
-char *format_timespan(char *buf, size_t l, usec_t t, usec_t accuracy);
-
-void dual_timestamp_serialize(FILE *f, const char *name, dual_timestamp *t);
-int dual_timestamp_deserialize(const char *value, dual_timestamp *t);
-int timestamp_deserialize(const char *value, usec_t *timestamp);
-
-int parse_timestamp(const char *t, usec_t *usec);
-
-int parse_sec(const char *t, usec_t *usec);
-int parse_time(const char *t, usec_t *usec, usec_t default_unit);
-int parse_nsec(const char *t, nsec_t *nsec);
-
-bool ntp_synced(void);
-
-int get_timezones(char ***l);
-bool timezone_is_valid(const char *name);
-
-bool clock_boottime_supported(void);
-bool clock_supported(clockid_t clock);
-clockid_t clock_boottime_or_monotonic(void);
-
-#define xstrftime(buf, fmt, tm) \
- assert_message_se(strftime(buf, ELEMENTSOF(buf), fmt, tm) > 0, \
- "xstrftime: " #buf "[] must be big enough")
-
-int get_timezone(char **timezone);
-
-time_t mktime_or_timegm(struct tm *tm, bool utc);
-struct tm *localtime_or_gmtime_r(const time_t *t, struct tm *tm, bool utc);
-
-unsigned long usec_to_jiffies(usec_t usec);
-
-static inline usec_t usec_add(usec_t a, usec_t b) {
- usec_t c;
-
- /* Adds two time values, and makes sure USEC_INFINITY as input results as USEC_INFINITY in output, and doesn't
- * overflow. */
-
- c = a + b;
- if (c < a || c < b) /* overflow check */
- return USEC_INFINITY;
-
- return c;
-}
-
-static inline usec_t usec_sub(usec_t timestamp, int64_t delta) {
- if (delta < 0)
- return usec_add(timestamp, (usec_t) (-delta));
-
- if (timestamp == USEC_INFINITY) /* Make sure infinity doesn't degrade */
- return USEC_INFINITY;
-
- if (timestamp < (usec_t) delta)
- return 0;
-
- return timestamp - delta;
-}