multiprocessing.Queue hangs when process on other side dies

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#87,971 创建于 2021年4月11日 6 条评论 0 个 reaction 已指派 0 人在 GitHub 查看

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难度: 4/5
预计耗时: 3-5 天
新手友好度: 25/100

Issue 类型: 缺陷
描述清晰度: 需要澄清
活跃度: 停滞
技术栈: python
领域: operating-systems

调研方向

该 issue 提到了 multiprocessing.Queue，但没有提供复现步骤、文件或测试。首先复现对端进程退出时发生的挂起，然后跟踪 Queue 的实现和现有的 multiprocessing 测试。当队列在这种失败情况下不再挂起，并且该行为由回归测试覆盖时，即视为完成。

由索引模型根据 Issue 内容生成。

描述

3.8 (EOL) stdlib topic-multiprocessing

BPO	43805
Nosy	@pitrou, @takluyver, @applio, @kormang, @shnizzedy

^{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 2021-04-11.11:52:50.914>
labels = ['3.8', 'library']
title = 'multiprocessing.Queue hangs when process on other side dies'
updated_at = <Date 2021-12-06.10:37:11.589>
user = 'https://github.com/kormang'

bugs.python.org fields:

activity = <Date 2021-12-06.10:37:11.589>
actor = 'takluyver'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2021-04-11.11:52:50.914>
creator = 'kormang'
dependencies = []
files = []
hgrepos = []
issue_num = 43805
keywords = []
message_count = 6.0
messages = ['390774', '390777', '390779', '406953', '407709', '407785']
nosy_count = 6.0
nosy_names = ['pitrou', 'takluyver', 'davin', 'kormang', 'shnizzedy', 'myles.steinhauser']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = None
url = 'https://bugs.python.org/issue43805'
versions = ['Python 3.8']

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