Leap Second

[Leif Pedersen]

On Wed, Jul 1, 2015 at 3:27 PM, Peter Jeremy <peter at rulingia.com> wrote:
>
> On 2015-Jul-01 12:46:21 -0500, Leif Pedersen <bilbo at hobbiton.org> wrote:
> >Is there a reasonable way to enable awareness of leap-seconds while
syncing
> >with ntpd? That is to say, how can I get the system to include
leap-seconds
> >in calculating `date +%s`, without having `date` be off by 26[1] seconds?
>
> ntpd(8) has provision for specifying a leapsecond file which presumably
> makes it leap-second aware.  I haven't looked into the details.
>

>From the docs, I'm fairly sure that the leap-second files don't stop NTP
from fudging hardware clock, and only help it do so more gracefully.

> There's also posix2time(3) to convert between a TAI-based time_t and a
> POSIX-based time_t.

posix2time(3) doesn't seem to have anything to do with setting the hardware
clock.

>
> --
> Peter Jeremy


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