in reply to Re^4: How do I make the garbage collector throw an exception when it fails to auto-close a filehandle?
in thread How do I make the garbage collector throw an exception when it fails to auto-close a filehandle?

If you attempted to limit the effect of the change to that one function (and those it calls) using local *IO::Handle::DESTROY = sub { ... };, your code wouldn't be thread-safe.

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