lkml.org 
[lkml]   [1998]   [Sep]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: GPS Leap Second Scheduled!
Date
Followup to:  <98090822315400.00819@soda>
By author: Andrej Presern <andrejp@luz.fe.uni-lj.si>
In newsgroup: linux.dev.kernel
>
> Have you considered simply not scheduling any processes for one second and
> adjusting the time accordingly? (if one second chunk is too big, you can do it
> in several steps)
>
> Andrej
>

The way xntp deals with leap seconds is it lets the epoch
float... i.e. it holds time_t to the same value for two seconds. One
proposal (which I like) was to compensate for this by allowing the
microsecond or nanosecond fields or struct timeval & co to advance to
1,999,999 µs or 1,999,999,999 ns in the case of such events. The neat
thing is that the latter number fits very nicely in a 32-bit integer
even if someone (mis-) interprets it as signed.

-hpa

--
PGP: 2047/2A960705 BA 03 D3 2C 14 A8 A8 BD 1E DF FE 69 EE 35 BD 74
See http://www.zytor.com/~hpa/ for web page and full PGP public key
I am Bahá'í -- ask me about it or see http://www.bahai.org/
"To love another person is to see the face of God." -- Les Misérables

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/faq.html

\
 
 \ /
  Last update: 2005-03-22 13:44    [W:1.367 / U:0.080 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site