I don't have any helpful advice for threaded programming, but would you have any better luck using a pre-existing solution, and using File::Temp for your temp directory? 
         use File::Temp qw/ tempfile tempdir /;

         $dir = tempdir( CLEANUP => 1 );

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In reply to Re: END block not excuting when thread interrupted by HuckinFappy
in thread END block not excuting when thread interrupted by iankorf

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