[time-nuts] FreeBSD 7 ntp server
M. Warner Losh
imp at bsdimp.com
Thu Jan 1 04:22:53 UTC 2009
In message: <f6bol4dpdl7b5oh32h3mo18pfki549hboh at 4ax.com>
Neon John <jgd at johngsbbq.com> writes:
: On Wed, 31 Dec 2008 17:57:33 -0700 (MST), "M. Warner Losh" <imp at bsdimp.com>
: >In message: <b3bd5fcb0812311604q2c8f7129v9b1185457c8a93d9 at mail.gmail.com>
: > "Robert Darlington" <rdarlington at gmail.com> writes:
: >: Okay, not very fun. I was hoping to see ...58,59,60,00. Instead my
: >: system ticked :59 twice. Here's the output of my not so very
: >: scientific logs (up arrow, enter, over and over):
: >That's the correct output. It isn't possible to tick 60 with a POSIX
: >time_t, so second 59 is replayed so that we don't cross a day
: I wonder how application software handled that. Say, a transaction processing
: machine handling a few thousand transactions a second where the time stamp
: matters. What did the high res timer do?
Same thing it normally does...
: I'm thinking about, for example, stock trading where the first bid wins.
: Sub-second resolution is needed there, I think.
That's one of many reasons why I think that leap seconds are
fundamentally incompatible with POSIX.
: I wonder if this was a mini-Y2K and folks haven't realized it yet?
: John De Armond
: See my website for my current email address
: http://www.johndearmond.com <-- best little blog on the net!
: Tellico Plains, Occupied TN
: Alcohol, Tobacco & Firearms should be a convenience store, not a government agency.
: time-nuts mailing list -- time-nuts at febo.com
: To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
: and follow the instructions there.
More information about the time-nuts