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multiprocessing Pool hangs in terminate() #78178

@3mb3dw0rk5

Description

@3mb3dw0rk5
BPO 33997
Nosy @pfmoore, @pitrou, @tjguk, @zware, @zooba, @applio, @remilapeyre, @3mb3dw0rk5, @alexmojaki
PRs
  • bpo-33997: Fix racing condition in termination of pool result_handler #8009
  • Files
  • debug.trace
  • multiprocessing_hangs.py
  • test_multiprocessing.py
  • pool_terminate_snoop.txt
  • Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.

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    GitHub fields:

    assignee = None
    closed_at = None
    created_at = <Date 2018-06-29.12:37:53.185>
    labels = ['3.7', '3.8', 'type-bug', 'library', '3.9']
    title = 'multiprocessing Pool hangs in terminate()'
    updated_at = <Date 2020-09-01.09:45:02.063>
    user = 'https://github.com/3mb3dw0rk5'

    bugs.python.org fields:

    activity = <Date 2020-09-01.09:45:02.063>
    actor = 'vstinner'
    assignee = 'none'
    closed = False
    closed_date = None
    closer = None
    components = ['Library (Lib)']
    creation = <Date 2018-06-29.12:37:53.185>
    creator = '3mb3dw0rk5'
    dependencies = []
    files = ['47659', '48531', '48532', '48867']
    hgrepos = []
    issue_num = 33997
    keywords = ['patch']
    message_count = 6.0
    messages = ['320713', '320726', '349051', '349052', '360761', '360762']
    nosy_count = 10.0
    nosy_names = ['paul.moore', 'pitrou', 'tim.golden', 'zach.ware', 'steve.dower', 'davin', 'remi.lapeyre', '3mb3dw0rk5', 'alexmojaki', 'paul.madden']
    pr_nums = ['8009']
    priority = 'normal'
    resolution = None
    stage = 'patch review'
    status = 'open'
    superseder = None
    type = 'behavior'
    url = 'https://bugs.python.org/issue33997'
    versions = ['Python 3.7', 'Python 3.8', 'Python 3.9']

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