[Python-Dev] threadsafe patch for asynchat

["Martin v. Löwis"]

Tim Peters wrote:
> Bugs and "missing features" in asyncore.  For ZEO's purposes, if I had
> designed it, I expect it would have used threads (without asyncore). 
> However, bits of code still sitting around suggest that it was at
> least the _intent_ at one time that ZEO be able to run without threads
> at all.  That's certainly not possible now.

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"?

Regards,
Martin