[issue7205] bz2file deadlock
Antoine Pitrou
report at bugs.python.org
Mon Oct 26 22:27:34 CET 2009
Antoine Pitrou <pitrou at free.fr> added the comment:
> Looks fine to me assuming that the locking functions can be used outside
> the GIL.
Yes, they can. Actually, even the GIL uses them. :-)
> On the test side, the case I supplied was low noise for me - I'd
> hesitate to do as much compression as you are (50 times more) unless you
> saw it spuriously pass a lot - the nature of the deadlock isn't
> dependent on races so much as simple scheduling - as long as the seocnd
> thread is scheduled before the first thread completes compressing the
> deadlock will occur.
Well, your test case often succeeded here, so I decided on a more
aggressive variation.
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