wtf? why threads and mutexes and stuff? is there anything to actually
justify having a thread?
KKRT
2009/4/17 Stéphane Bisinger <stephane.bisin...@gmail.com>
> Hi all,
> I forward you the message I sent on comp.lang.python, hoping that
> someone will show me how dumb I am. Or maybe I stumbled across a
> python bug...
>
>
> ---------- Forwarded message ----------
> From: <stephane.bisin...@gmail.com>
> Date: 2009/4/18
> Subject: Condition.wait(0.5) doesn't respect it's timeout
> To: stephane.bisin...@gmail.com
>
>
> Hi all,
> I have a problem with Condition.wait(), it doesn't return after the
> given timeout. The thing is that if I try to create a simple program,
> it works as expected, but in the actual code, the timeout is not
> respected (albeit the notify()s work as expected).
> You can find the code I am talking about here:
>
> http://github.com/Kjir/amsn2/blob/6688da4c0b7cc16c0fe04d6d6018bc1b16d992a6/amsn2/gui/front_ends/curses/contact_list.py
>
> If you clone the repository, then you can run the program like this:
> $ python amsn2.py -f curses 2>> run.log
> and in another term watch for prints with a tail -f run.log (You need
> an MSN account). You'll notice that after the initial downloading of
> the contact list, there won't be any logs (unless some of your
> contacts changes status, which will trigger a notify)
>
> Has anyone the slightest idea on what I may be doing wrong? Or am I
> just lucky enough to have stumbled across a bug? Maybe pollution from
> another module in other parts of the code? (Like gobject...)
>
> Anyway just for completeness here is a sample program that works for
> me:
>
> from threading import Thread
> from threading import Condition
>
> def some_func():
> while True:
> cond.acquire()
> while True:
> cond.wait(0.5)
> print "Hello, world!"
>
> cond = Condition()
> thread = Thread(target=some_func)
> thread.start()
>
> thanks,
>
> Stéphane Bisinger
>
>
> --
> Stéphane
>
>
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