Message 110356 - Python tracker

Message110356

Author	pitrou
Recipients	belopolsky, brett.cannon, christian.heimes, grahamd, gvanrossum, ncoghlan, pitrou
Date	2010-07-15.10:49:06
SpamBayes Score	5.7286943e-05
Marked as misclassified	No
Message-id	<1279190942.3149.2.camel@localhost.localdomain>
In-reply-to	<1279146969.89.0.055637673447.issue9260@psf.upfronthosting.co.za>

Content
> Graham Dumpleton <Graham.Dumpleton@gmail.com> added the comment: > > How is this going to deal with cyclical imports where different > threads could import at the same time different modules within that > cycle? I need to look through the proposed patch and work out exactly > what it does, but am concerned about whether this approach would cause > the classic deadlock problem if not done right? You're right, I hadn't thought about that. Additional machinery will be needed to detect potential deadlocks (and break them).

Content

> Graham Dumpleton <Graham.Dumpleton@gmail.com> added the comment:
> 
> How is this going to deal with cyclical imports where different
> threads could import at the same time different modules within that
> cycle? I need to look through the proposed patch and work out exactly
> what it does, but am concerned about whether this approach would cause
> the classic deadlock problem if not done right?

You're right, I hadn't thought about that. Additional machinery will be
needed to detect potential deadlocks (and break them).

History
Date	User	Action	Args
2010-07-15 10:49:08	pitrou	set	recipients: + pitrou, gvanrossum, brett.cannon, ncoghlan, belopolsky, christian.heimes, grahamd
2010-07-15 10:49:06	pitrou	link	issue9260 messages
2010-07-15 10:49:06	pitrou	create