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authorMichael Biebl <biebl@debian.org>2021-10-01 23:05:04 +0200
committerMichael Biebl <biebl@debian.org>2021-10-01 23:05:04 +0200
commite74c568b07b50b97873fb4ee1d776dedefbd54d6 (patch)
tree3469f17ea9af91f7ff169b890633bda68b0cf76e /shared/systemd/src/basic/time-util.h
parentbfe522304da217296e2a61040f58e35ec5d6f3f2 (diff)
New upstream version 1.32.12 upstream/1.32.12
Diffstat (limited to 'shared/systemd/src/basic/time-util.h')
-rw-r--r--shared/systemd/src/basic/time-util.h201
1 files changed, 0 insertions, 201 deletions
diff --git a/shared/systemd/src/basic/time-util.h b/shared/systemd/src/basic/time-util.h
deleted file mode 100644
index 89ee8b4a..00000000
--- a/shared/systemd/src/basic/time-util.h
+++ /dev/null
@@ -1,201 +0,0 @@
-/* SPDX-License-Identifier: LGPL-2.1-or-later */
-#pragma once
-
-#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 PRI_NSEC PRIu64
-#define PRI_USEC PRIu64
-#define NSEC_FMT "%" PRI_NSEC
-#define USEC_FMT "%" PRI_USEC
-
-#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;
-
-typedef enum TimestampStyle {
-        TIMESTAMP_PRETTY,
-        TIMESTAMP_US,
-        TIMESTAMP_UTC,
-        TIMESTAMP_US_UTC,
-        _TIMESTAMP_STYLE_MAX,
-        _TIMESTAMP_STYLE_INVALID = -1,
-} TimestampStyle;
-
-#define USEC_INFINITY ((usec_t) UINT64_MAX)
-#define NSEC_INFINITY ((nsec_t) UINT64_MAX)
-
-#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 (3U+1U+10U+1U+8U+1U+6U+1U+6U+1U)
-#define FORMAT_TIMESTAMP_WIDTH 28U /* when outputting, assume this width */
-#define FORMAT_TIMESTAMP_RELATIVE_MAX 256U
-#define FORMAT_TIMESPAN_MAX 64U
-
-#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);
-
-usec_t map_clock_usec(usec_t from, clockid_t from_clock, clockid_t to_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 timestamp_is_set(usec_t timestamp) {
-        return timestamp > 0 && timestamp != USEC_INFINITY;
-}
-
-static inline bool dual_timestamp_is_set(const dual_timestamp *ts) {
-        return timestamp_is_set(ts->realtime) ||
-               timestamp_is_set(ts->monotonic);
-}
-
-static inline bool triple_timestamp_is_set(const triple_timestamp *ts) {
-        return timestamp_is_set(ts->realtime) ||
-               timestamp_is_set(ts->monotonic) ||
-               timestamp_is_set(ts->boottime);
-}
-
-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);
-struct timespec *timespec_store_nsec(struct timespec *ts, nsec_t n);
-
-usec_t timeval_load(const struct timeval *tv) _pure_;
-struct timeval *timeval_store(struct timeval *tv, usec_t u);
-
-char *format_timestamp_style(char *buf, size_t l, usec_t t, TimestampStyle style);
-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);
-
-static inline char *format_timestamp(char *buf, size_t l, usec_t t) {
-        return format_timestamp_style(buf, l, t, TIMESTAMP_PRETTY);
-}
-
-int parse_timestamp(const char *t, usec_t *usec);
-
-int parse_sec(const char *t, usec_t *usec);
-int parse_sec_fix_0(const char *t, usec_t *usec);
-int parse_sec_def_infinity(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, int log_level);
-
-bool clock_boottime_supported(void);
-bool clock_supported(clockid_t clock);
-clockid_t clock_boottime_or_monotonic(void);
-
-usec_t usec_shift_clock(usec_t, clockid_t from, clockid_t to);
-
-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);
-
-uint32_t usec_to_jiffies(usec_t usec);
-usec_t jiffies_to_usec(uint32_t jiffies);
-
-bool in_utc_timezone(void);
-
-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_unsigned(usec_t timestamp, usec_t delta) {
-
-        if (timestamp == USEC_INFINITY) /* Make sure infinity doesn't degrade */
-                return USEC_INFINITY;
-        if (timestamp < delta)
-                return 0;
-
-        return timestamp - delta;
-}
-
-static inline usec_t usec_sub_signed(usec_t timestamp, int64_t delta) {
-        if (delta < 0)
-                return usec_add(timestamp, (usec_t) (-delta));
-        else
-                return usec_sub_unsigned(timestamp, (usec_t) delta);
-}
-
-#if SIZEOF_TIME_T == 8
-/* The last second we can format is 31. Dec 9999, 1s before midnight, because otherwise we'd enter 5 digit year
- * territory. However, since we want to stay away from this in all timezones we take one day off. */
-#define USEC_TIMESTAMP_FORMATTABLE_MAX ((usec_t) 253402214399000000)
-#elif SIZEOF_TIME_T == 4
-/* With a 32bit time_t we can't go beyond 2038... */
-#define USEC_TIMESTAMP_FORMATTABLE_MAX ((usec_t) 2147483647000000)
-#else
-#error "Yuck, time_t is neither 4 nor 8 bytes wide?"
-#endif
-
-int time_change_fd(void);
-
-const char* timestamp_style_to_string(TimestampStyle t) _const_;
-TimestampStyle timestamp_style_from_string(const char *s) _pure_;