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So apart from the object ID issues, which is valid for the current implementation of Perl ithreads and fairly easily addressed, your point is that it isn't thread-safe in general against some unimplemented, future version of Perl threading that shares virtual memory but whose other properties are as yet undefined? I'd say that's setting the standard a tad high. That said, your general impression might be correct -- and it's certainly led me to have a crash course on threads in Perl, so I appreciate the feedback

I think the question of whether the "localized globals" approach would work under a shared virtual memory thread depends mostly on the whether the dynamic scoping effects of local are localized to a thread or not. From reading Temporary Values via Local, I would tend to think that might be an important implementation feature -- otherwise, I would think that localizing "magic" variables like $/ and $| wouldn't be thread-safe in your broader definition either.

-xdg

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In reply to Re^4: Outside-in objects with Object::LocalVars (threads) by xdg
in thread Outside-in objects with Object::LocalVars by xdg

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