[issue15263] Guard against invalid file handles in os functions

[Amaury Forgeot d'Arc]

Amaury Forgeot d'Arc <amauryfa at gmail.com> added the comment:

Windows will also crash if you pass INVALID_HANDLE_VALUE (which is not a file descriptor) to crt functions...
How did you want to use this macro?

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue15263>
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