According to perlmod:

This provides a simple mechanism for making a module threadsafe; just add sub CLONE_SKIP { 1 } at the top of the class, and DESTROY() will now only be called once per object. Of course, if the child thread needs to make use of the objects, then a more sophisticated approach is needed.

Are you aware of a "more sophisticated approach"?

Ie. Is there some technique or trick to allow a module to discover which of its blessed refs have been cloned (and which not) so as to allow it to ignore/defer DESTROY requests until the last copy goes out of scope?

Seems that if CLONE_SKIP was called each time a reference for a package it cloned -- and passed in a copy of the reference -- it would be possible for packages to do their own reference counting and thus avoid corrupting the internals of cloned objects -- by freeing memory associated with a cloned reference when one copy of it goes out of scope (when a thread ends) -- as I did.

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In reply to Re^2: [XS] Cloning is corrupting my privates. by BrowserUk
in thread [XS] Cloning is corrupting my privates. (Solved!) by BrowserUk

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