You could hunt through the current CDDB module and pick out the no-blocking fcntl stuff, preferablly converted to something nearly equivilent on Win32. If you do, it'd be great if it was released as a new ...::Win32 module.

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I wanted to explore how Perl's closures can be manipulated, and ended up creating an object system by accident.
-- Schemer

Note: All code is untested, unless otherwise stated