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[Python-Dev] threadsafe patch for asynchat

Fredrik Lundh fredrik at pythonware.com
Wed Feb 8 08:44:25 CET 2006 
Steve Holden wrote:

> > What is the reason that people want to use threads when they can have
> > poll/select-style message processing? Why does Zope require threads?
> > IOW, why would anybody *want* a "threadsafe patch for asynchat"?
> >
> In case the processing of events needed to block? If I'm processing web
> requests in an async* dispatch loop and a request needs the results of a
> (probably lengthy) database query in order to generate its output, how
> do I give the dispatcher control again to process the next asynchronous
> network event?
>
> The usual answer is "process the request in a thread". That way the
> dispatcher can spring to life for each event as quickly as needed.

but why do such threads have to talk to asyncore directly ?

</F>
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