[Twisted-Python] SMTP Client Blocking Connects

Glyph Lefkowitz glyph at twistedmatrix.com
Mon Jul 12 20:53:20 EDT 2010

On Jul 12, 2010, at 8:51 PM, Jason J. W. Williams wrote:

> Are TCP connects in Twisted usually blocking? Noticing a behavior when
> I've got several simultaneous SMTP client objects operating, where
> when one of them hits a server that times out on the connect...the
> program blocks until the connect times out. Everything else is working
> async/non-blocking as expected.

They're absolutely not supposed to be!  If you can reproduce this, you've definitely found a bug.  (A quick search doesn't turn up any existing bugs.)

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