multiprocessing Pool hangs in terminate()

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#78,178 建立於 2018年6月29日 6 則留言 0 個 reaction 已指派 0 人在 GitHub 檢視

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難度: 4/5
預估耗時: 3-5 天
新手友好度: 25/100

Issue 類型: 缺陷
描述清晰度: 基本清楚
活躍度: 停滯
技術堆疊: python
領域: backend

研究方向

從附帶的 multiprocessing_hangs.py 和 test_multiprocessing.py 檔案開始，然後檢查相關的 multiprocessing Pool 實作和 PR 8009。重現附帶偵錯檔案中描述的停滯，並比較現有的測試涵蓋範圍。完成的標準是解決終止時的停滯，並讓 multiprocessing 測試展示修正後的行為。

由索引模型根據 Issue 內容生成。

描述

3.7 (EOL) 3.8 (EOL) 3.9 (EOL) stdlib topic-multiprocessing type-bug

BPO	33997
Nosy	@pfmoore, @pitrou, @tjguk, @zware, @zooba, @applio, @remilapeyre, @3mb3dw0rk5, @alexmojaki
PRs	python/cpython#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']

主要語言: Python
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