[issue32219] SSLWantWriteError being raised by blocking SSL socket

Nathaniel Smith report at bugs.python.org
Tue Dec 5 06:10:00 EST 2017


Nathaniel Smith <njs at pobox.com> added the comment:

There's no timeout. The man page claims SSL_ERROR_WANT_WRITE can't happen on a blocking socket, but who knows...

Re: EINTR, this is all happening in a child thread. On Linux, this would mean that it almost certainly isn't receiving any signals. I'm not sure about MacOS, though. (POSIX allows signals to be delivered to any thread, but most Unixes are much more conservative in practice.)

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