in reply to What is a shared variable?

I think perlthrtut explanation is ok
Note that Perl will protect its internals from your race conditions, but it won't protect you from you.

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Re^2: What is a shared variable?
by llancet (Friar) on Dec 29, 2009 at 08:46 UTC
    I don't find the answer about whether a shared variable is copied while new thread created.
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