[ntp:hackers] smearing the leap second

John Stultz john.stultz at linaro.org
Fri Jul 10 22:20:56 UTC 2015


On Fri, Jul 10, 2015 at 3:06 PM, Hal Murray <hmurray at megapathdsl.net> wrote:
>
> Greg Troxel <gdt at ir.bbn.com> said:
>> The thing I don't really get about the leap second debate is that we have
>> two timescales with the two properties people want.  TAI is straightforward,
>> with no leap seconds, monitic, etc., but not linked to UT1.  UTC has leap
>> seconds but tracks UT1.  So if people don't like UTC, they can just use TAI.
>
> No systems support TAI.  There is no API to get time in TAI.

Linux supports CLOCK_TAI via clock_gettime().   One can also get the
tai_offset via adjtimex().

thanks
-john


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