[New-bugs-announce] [issue43952] Multiprocessing UNIX socket connection: client freeze if authkey is an empty byte string
report at bugs.python.org
Tue Apr 27 07:45:15 EDT 2021
New submission from anon01 <swsfinoa at sharklasers.com>:
When I run this code (on a UNIX system with temporary directory `/tmp/`):
from multiprocessing import connection
it prints out "receive data" normally.
However, in the special case that `key=b""` the doesn't print anything, and can only be interrupted with Ctrl+C.
`key=None` doesn't have that issue.
Note that this issue does happen when the client uses the key `b""` and the server uses the key `None`, but the program works normally if the reverse situation.
Python version: Python 3.9.3.
components: Library (Lib)
title: Multiprocessing UNIX socket connection: client freeze if authkey is an empty byte string
versions: Python 3.9
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