[Windows] multiprocessing handle leak when child process is killed during startup/unpickling

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#87,134 建立於 2021年1月19日 3 則留言 0 個 reaction 已指派 0 人在 GitHub 檢視

還沒有人認領這個 Issue。

評估

難度: 4/5
預估耗時: 3-5 天
新手友好度: 35/100

Issue 類型: 缺陷
描述清晰度: 需要釐清
活躍度: 停滯
技術堆疊: python
領域: backend, operating-systems

研究方向

從附帶的 deadlock.py 重現程式以及 Windows multiprocessing 的 startup/unpickling 路徑開始。重現子程序在啟動期間被終止的情況，然後調查程序控制代碼是否仍保持開啟狀態。完成標準是：重現程式在支援的 Python 版本上不再洩漏控制代碼。

由索引模型根據 Issue 內容生成。

描述

3.10 3.8 (EOL) 3.9 (EOL) OS-windows stdlib topic-multiprocessing type-bug

BPO	42968
Nosy	@pfmoore, @tjguk, @zware, @eryksun, @zooba, @dgrunwald
Files	deadlock.py

^{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 2021-01-19.18:24:16.409>
labels = ['type-bug', '3.8', '3.9', '3.10', 'library', 'OS-windows']
title = '[Windows] multiprocessing handle leak when child process is killed during startup/unpickling'
updated_at = <Date 2021-03-30.18:31:06.717>
user = 'https://github.com/dgrunwald'

bugs.python.org fields:

activity = <Date 2021-03-30.18:31:06.717>
actor = 'eryksun'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)', 'Windows']
creation = <Date 2021-01-19.18:24:16.409>
creator = 'dgrunwald'
dependencies = []
files = ['49751']
hgrepos = []
issue_num = 42968
keywords = []
message_count = 3.0
messages = ['385283', '385284', '385380']
nosy_count = 6.0
nosy_names = ['paul.moore', 'tim.golden', 'zach.ware', 'eryksun', 'steve.dower', 'dgrunwald']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue42968'
versions = ['Python 3.8', 'Python 3.9', 'Python 3.10']

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