linux-kernel - Re: Bug: Status/Summary of slashdot leap-second crash on new years 2008-2009

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Message-ID: <49614F90.2020904@davidnewall.com>
Date:	Mon, 05 Jan 2009 10:38:48 +1030
From:	David Newall <davidn@...idnewall.com>
To:	Valdis.Kletnieks@...edu
CC:	Kyle Moffett <kyle@...fetthome.net>,
	Ben Goodger <goodgerster@...il.com>,
	Robert Hancock <hancockr@...w.ca>,
	linux-kernel@...r.kernel.org, linasvepstas@...il.com,
	"Jeffrey J. Kosowsky" <jeff@...owsky.org>,
	MentalMooMan <slashdot@...eshallam.info>,
	Travis Crump <pretzalz@...hhouse.org>, burdell@...ntheinter.net
Subject: Re: Bug: Status/Summary of slashdot leap-second crash on new years
 2008-2009

Valdis.Kletnieks@...edu wrote:
> On Sun, 04 Jan 2009 20:33:41 +1030, David Newall said:
>
>   
>> I don't understand why such a simple thing was unnecessarily
>> complicated.  And causing crashes!  Ha ha ha or what?  A simple addition
>> to zoneinfo was (and still is) all that is required.
>>     
>
> Something to keep in mind is that the Posix standard does *NOT* say anything
> about leap seconds - poke around in a 'struct tm' sometime.
>   

I have poked, decades ago.  There's nothing in struct tm that's a problem.

> That's why /usr/share/zoneinfo has separate 'posix' and 'right' subdirectories.
>
> The fun starts when software using the 'right' rules tries to interact with
> other software using the Posix rules (quite possibly running on a non-Unixy
> system that doesn't even *use* zoneinfo).
>
> Repeat after me: Not all the world is Linux.

But Linux is; and that's what we're discussing.
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