New submission from Ryan Petrello <r...@ryanpetrello.com>:
It's possible to cause Python child processes to encountered a deadlock and hang on fork by: 1) Spawning one or more threads in a parent process 2) Have one of those threads emit log lines 3) Have the main thread use os.fork() 4) In the child, log immediately The attached Python script can be used to reproduce this issue in Python 2.7.15 and Python 3.6.5 ---------- components: Library (Lib) files: hang.py messages: 346732 nosy: ryan.petrello priority: normal severity: normal status: open title: Python hangs on fork when a logger is in use in a background thread versions: Python 2.7, Python 3.6 Added file: https://bugs.python.org/file48441/hang.py _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue37429> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
