From: Nick Andrew <nick@nick-andrew.net>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: David Newall <davidn@davidnewall.com>,
Linas Vepstas <linasvepstas@gmail.com>,
david@lang.hm, Kyle Moffett <kyle@moffetthome.net>,
Ben Goodger <goodgerster@gmail.com>,
Robert Hancock <hancockr@shaw.ca>,
linux-kernel@vger.kernel.org,
"Jeffrey J. Kosowsky" <jeff@kosowsky.org>,
MentalMooMan <slashdot@jameshallam.info>,
Travis Crump <pretzalz@techhouse.org>,
burdell@iruntheinter.net
Subject: Re: Bug: Status/Summary of slashdot leap-second crash on new years 2008-2009
Date: Wed, 7 Jan 2009 12:17:13 +1100 [thread overview]
Message-ID: <20090107011713.GA27527@mail.local.tull.net> (raw)
In-Reply-To: <20090106094058.64c89586@lxorguk.ukuu.org.uk>
On Tue, Jan 06, 2009 at 09:40:58AM +0000, Alan Cox wrote:
> > UTC equivalent to conversion on the naive basis that leap seconds are ignored and all
> > years divisible by 4 are leap years. This value is not the same as the actual number of
> > seconds between the time and the Epoch, because of leap seconds and because clocks are not
> > required to be synchronized to a standard reference.
>
> I'm not sure what you are quoting from but it is out of date on the
> subject of leap years.
"man 2 time" on Debian Lenny. The treatment of leap years looks ridiculous, but
within the context of a 32-bit time_t, all divisible-by-4 years between 1901 and
2038 are leap years. It's a bit of a problem for 64-bit time_t though.
Nick.
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next prev parent reply other threads:[~2009-01-07 1:17 UTC|newest]
Thread overview: 109+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-02 19:25 Linas Vepstas
2009-01-02 20:04 ` Diego Calleja
2009-01-02 20:25 ` Robert Hancock
2009-01-03 6:32 ` David Newall
2009-01-03 6:37 ` Ben Goodger
2009-01-04 8:43 ` David Newall
2009-01-04 9:00 ` Kyle Moffett
2009-01-04 10:03 ` David Newall
2009-01-04 11:13 ` david
2009-01-04 23:15 ` David Newall
2009-01-04 23:25 ` Chris Adams
2009-01-05 0:01 ` David Newall
2009-01-05 0:41 ` Alan Cox
2009-01-05 8:43 ` David Newall
2009-01-05 19:47 ` Alan Cox
2009-01-05 0:29 ` david
2009-01-04 23:37 ` David Newall
2009-01-05 1:05 ` david
2009-01-05 0:14 ` David Newall
2009-01-05 0:21 ` Ben Goodger
2009-01-05 6:34 ` David Newall
2009-01-05 23:03 ` Linas Vepstas
2009-01-05 0:44 ` Alan Cox
2009-01-05 5:48 ` Linas Vepstas
2009-01-05 14:33 ` Nick Andrew
2009-01-05 16:08 ` Linas Vepstas
2009-01-05 17:51 ` david
2009-01-05 17:42 ` Linas Vepstas
2009-01-06 2:27 ` john stultz-lkml
2009-01-06 4:53 ` Linas Vepstas
2009-01-06 5:00 ` Linas Vepstas
2009-01-06 19:40 ` [ntpwg] " M. Warner Losh
2009-01-06 19:50 ` M. Warner Losh
2009-01-07 3:50 ` Danny Mayer
2009-01-07 4:52 ` Linas Vepstas
2009-01-07 10:03 ` David Newall
2009-01-07 17:24 ` M. Warner Losh
2009-01-08 16:51 ` Magnus Danielson
2009-01-07 14:34 ` Danny Mayer
2009-01-07 15:42 ` Linas Vepstas
2009-01-07 19:23 ` Danny Mayer
2009-01-07 16:04 ` john stultz
2009-01-07 17:36 ` M. Warner Losh
2009-01-07 17:39 ` M. Warner Losh
2009-01-07 19:31 ` Alan Cox
2009-01-07 19:42 ` M. Warner Losh
2009-01-08 3:57 ` Danny Mayer
2009-01-08 4:42 ` M. Warner Losh
2009-01-08 10:48 ` Alan Cox
2009-01-08 10:56 ` Alan Cox
2009-01-08 22:22 ` David Mills
2009-01-08 15:02 ` M. Warner Losh
2009-01-08 18:57 ` Marshall Eubanks
2009-01-08 20:09 ` Steve Allen
2009-01-12 16:11 ` Pavel Machek
2009-01-12 17:07 ` [ntpwg] " M. Warner Losh
2009-01-12 21:45 ` Valdis.Kletnieks
2009-01-06 2:31 ` Nick Andrew
2009-01-06 1:59 ` David Newall
2009-01-06 2:18 ` Chris Adams
2009-01-06 2:51 ` Nick Andrew
2009-01-06 9:40 ` Alan Cox
2009-01-07 1:17 ` Nick Andrew [this message]
2009-01-07 9:37 ` Alan Cox
2009-01-07 9:46 ` David Newall
2009-01-07 9:54 ` Alan Cox
2009-01-07 10:18 ` David Newall
2009-01-07 10:52 ` Alan Cox
2009-01-07 13:45 ` David Newall
2009-01-07 14:10 ` Alan Cox
2009-01-07 14:36 ` David Newall
2009-01-07 15:40 ` Alan Cox
2009-01-10 9:46 ` David Newall
2009-01-07 22:13 ` Chris Adams
2009-01-07 13:33 ` Chris Adams
2009-01-07 13:37 ` Alan Cox
2009-01-07 14:12 ` David Newall
2009-01-07 14:09 ` David Newall
2009-01-07 21:42 ` Chris Adams
2009-01-04 11:35 ` Valdis.Kletnieks
2009-01-05 0:08 ` David Newall
2009-01-06 3:53 ` Valdis.Kletnieks
2009-01-04 17:20 ` Kyle Moffett
2009-01-03 7:00 ` Chris Adams
2009-01-04 8:41 ` David Newall
2009-01-02 20:29 ` Linas Vepstas
[not found] ` <8752a8760901021328t545a0327v58faebe1e921680a@mail.gmail.com>
2009-01-02 21:29 ` Ben Goodger
2009-01-03 0:21 ` Chris Adams
2009-01-03 2:23 ` Duane Griffin
2009-01-03 3:45 ` Linas Vepstas
2009-01-03 4:41 ` [PATCH] " Chris Adams
2009-01-03 4:52 ` Duane Griffin
2009-01-03 18:01 ` [PATCH] v2 " Chris Adams
2009-01-03 19:04 ` Duane Griffin
2009-01-03 20:01 ` Linas Vepstas
2009-06-08 2:18 ` Ben Hutchings
2009-06-18 22:34 ` Chris Friesen
2009-06-18 22:58 ` Ben Hutchings
2009-06-18 23:48 ` Chris Friesen
2009-01-06 2:21 ` john stultz-lkml
2009-01-06 2:25 ` Chris Adams
2009-01-06 4:35 ` Linas Vepstas
2009-01-03 3:49 ` Linas Vepstas
2009-01-03 4:02 ` Ben Goodger
2009-01-03 4:46 ` Duane Griffin
2009-01-03 4:50 ` Ben Goodger
2009-01-03 22:58 ` Jeffrey J. Kosowsky
[not found] <fa.dw2l5ZM+UL3xoF6IYh5RLMmbYfw@ifi.uio.no>
[not found] ` <fa.XOM1F85uBvmj4QzZKaDu36nYBk0@ifi.uio.no>
[not found] ` <fa.rviZJBmVqkAE5uxDjhJOpIuKT4g@ifi.uio.no>
[not found] ` <fa.OPVERUiJ763jH2/QynTxgBgoKYw@ifi.uio.no>
[not found] ` <fa.v3FUjJ43bw2G7KiZGaxqL3tD4xo@ifi.uio.no>
[not found] ` <fa.BrNhgY8S+TEOLMiPd27M7YHo9bI@ifi.uio.no>
2009-01-04 16:15 ` Sitsofe Wheeler
2009-01-04 17:26 ` Kyle Moffett
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