Re: Unix reached billionth second?

From: Philip Ching (605.734.71) (pching@aplcenMP.apl.jhu.edu)
Date: 09/24/01 

Date: Mon, 24 Sep 2001 15:24:06 -0400 (EDT)
From: "Philip Ching (605.734.71)" <pching@aplcenMP.apl.jhu.edu>
To: security-discuss@linuxsecurity.com
Subject: Re: Unix reached billionth second?
Message-ID: <Pine.GSO.4.10.10109241519080.19139-100000@aplcenMP.apl.jhu.edu>

Hi Michael,

Hmm ... that is interesting.

I bet there are some Unix software out there that will have problems.

Thanks for your explanation!

Philip

On Mon, 24 Sep 2001, Michael van Bracht wrote
> >
> > Hi All,
> >
> > I heard some one say that early this month, Unix has reached
> > it's billionth second and caused some problem.
> >
> > I thought Unix won't have clock problem until year 2036.
> >
> > What about Linux systems?
> >
> > Can any one shad some light on this news?
> >
>
> Thats correct, the "unix-time-counter" hit one billion on Sun Sep 9
> 01:46:39 2001 UTC
> this change from a 9 digit number to a 10 digit number isn't a problem in
> general, because
> commonly this value is not stored as decimal digits, instaed its stored as
> integer (32-bit binary value) which will cause no errors until 2038.
> portable file formats like tar cpio and ar use a decimal time format for the
> seconds counter, but this programs have ever supported at least 11 decimal
> digits, so the won't cause any problems. but its possible that there are
> programms using a to short decimal digit or char array to store the
> unixtime.
>
>
> regars
>
> michael
>
>
> > Thanks!
> >
> > Philip
> >
> >
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