From: Rak Rok <rakrok@...>
Date: 2007-11-07T06:17:54+09:00
Subject: Re: Changing date backward messes up threaded sleep

FYI was a thread about this back in March:
http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/241281

-rr-

On 11/6/07, MenTaLguY <mental@rydia.net> wrote:
> On Wed, 7 Nov 2007 05:23:46 +0900, Gary Wright <gwtmp01@mac.com> wrote:
> > Ruby's sleep actually is a request to the thread scheduler to
> > stop the current thread until the system clock has reached
> > (now + delay).  So if you move the clock backwards, it will take
> > that much longer to reach (now + delay).  If you move the clock
> > forwards then the thread becomes runnable immediately.
>
> I think this is arguably a bug in the scheduler, but it is not
> easy to remedy in a portable way.
>
> -mental
>
>
>