[issue22042] signal.set_wakeup_fd(fd): raise an exception if the fd is in blocking mode

[Roundup Robot]

Roundup Robot added the comment:

New changeset f5f5553f219e by Victor Stinner in branch 'default':
Issue #22042: Fix test_signal on Windows
http://hg.python.org/cpython/rev/f5f5553f219e

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue22042>
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