[issue44155] Race condition when using multiprocessing BaseManager and Pool in Python3

Change by Jun : -- keywords: +patch nosy: +junnplus nosy_count: 1.0 -> 2.0 pull_requests: +24924 stage: -> patch review pull_request: https://github.com/python/cpython/pull/26332 ___ Python tracker

[issue44155] Race condition when using multiprocessing BaseManager and Pool in Python3

David Chen added the comment: After some investigation, i almost finally identified the root cause - it was caused by the following line in `Server` class in `manager.py` file: ``` self.listener = Listener(address=address, backlog=16) ``` i'm not sure where the magic number `16` came from,

[issue44155] Race condition when using multiprocessing BaseManager and Pool in Python3

New submission from David Chen : could someone help me out? i spent a lot of time to debug a race condition i have encountered when using BaseManager, Pool within multiprocessing library. here is the simplified code: ``` import sys, time from multiprocessing.managers import BaseManager,