[issue21247] test_asyncio: test_subprocess_send_signal hangs on Fedora builders

[STINNER Victor]

STINNER Victor added the comment:

Here is a patch implementing a basic synchronization between the parent and the child processing, to wait until the child is sleeping.

Can you please try this patch?

If it doesn't work, we might add a small sleep of 500 ms after the readline().

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keywords: +patch
Added file: http://bugs.python.org/file35973/test_send_signal.patch

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