[Zope] Re: [ZODB-Dev] [Warning] Zope/ZEO clients: subprocesses can lead to non-deterministic message loss

Paul Winkler pw_lists at slinkp.com
Fri Jun 25 17:41:39 EDT 2004


On Fri, Jun 25, 2004 at 07:23:19PM +0200, Dieter Maurer wrote:
> ATTENTION: Crosspost -- Reply-To set to 'zope-dev at zope.org'
> 
> Today, I hit a nasty error.
> 
> The error affects applications under Unix (and maybe Windows) which
> 
>   *  use an "asyncore" mainloop thread (and maybe other asyncore applications)
> 
>      Zope and many ZEO clients belong to this class
> 
> and
> 
>   *  create subprocesses (via "fork" and "system", "popen" or friends if
>      they use "fork" internally (they do under Unix but I think not
>      under Windows)).

Hm.  this applies to external methods and product code that makes
these calls?
 
-- 

Paul Winkler
http://www.slinkp.com


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