[Zope] Running more than one instance on windows often block each other

[Dieter Maurer]

Tim Peters wrote at 2005-7-25 10:36 -0400:
>Yup.  ZODB has what looks like a copy/paste of this code, in
>ZEO/zrpc/trigger.py.  I didn't realize where it came from originally
>until you pointed out the Medusa code here.
>
>Anyway, it so happens I rewrote ZEO's copy a few weeks ago, in ZODB
>3.4.  The Windows part is much simpler there now.
> ....
>After:
>
>            # Specifying port 0 tells Windows to pick a port for us.
>            a.bind(("127.0.0.1", 0))
>            connect_address = a.getsockname()  # assigned (host, port) pair
>            a.listen(1)
>            w.connect(connect_address)
>            r, addr = a.accept()  # r becomes asyncore's (self.)socket
>            a.close()
>            self.trigger = w

This may even be portable (not Windows specific).
At least, it works for Linux2.

In this case, we might get rid of the stupid code duplication...

-- 
Dieter