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time-util: assume CLOCK_BOOTTIME always exists

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Let's raise our supported baseline a bit: CLOCK_BOOTTIME started to work
with timerfd in kernel 3.15 (i.e. back in 2014), let's require support
for it now.

This will raise our baseline only modestly from 3.13 → 3.15.
This commit is contained in:
Lennart Poettering
2022-03-28 16:55:41 +02:00
parent ec4954d934
commit ba4e0427e9
46 changed files with 122 additions and 176 deletions
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src/basic/time-util.h
+1 -3
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@@ -82,7 +82,7 @@ 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);
dual_timestamp* dual_timestamp_from_boottime(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);
@@ -155,9 +155,7 @@ static inline bool timezone_is_valid(const char *name, int log_level) {
return verify_timezone(name, log_level) >= 0;
}
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);