signal.pause() and signal handlers don't react to SIGCHLD in non-main thread

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#66,094 建立於 2014年7月1日 18 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: operating-systems

研究方向

Start by reviewing PR #768 and the referenced scripts signal_pause_doesnt_wake_up.py and thread_signal.py. Reproduce the SIGCHLD behavior with signal.pause() and handlers in a non-main thread, then verify that both respond as described in the issue.

由索引模型根據 Issue 內容生成。

描述

3.7 (EOL) interpreter-core

BPO	21895
Nosy	@gvanrossum, @pitrou, @vstinner, @njsmith
PRs	python/cpython#768
Files	signal_pause_doesnt_wake_up.py thread_signal.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 2014-07-01.10:01:35.002>
labels = ['interpreter-core', '3.7']
title = "signal.pause() and signal handlers don't react to SIGCHLD in non-main thread"
updated_at = <Date 2021-01-13.06:14:20.968>
user = 'https://bugs.python.org/bkabrda'

bugs.python.org fields:

activity = <Date 2021-01-13.06:14:20.968>
actor = 'gvanrossum'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Interpreter Core']
creation = <Date 2014-07-01.10:01:35.002>
creator = 'bkabrda'
dependencies = []
files = ['35815', '46752']
hgrepos = []
issue_num = 21895
keywords = []
message_count = 18.0
messages = ['222021', '222022', '222028', '289913', '289920', '289952', '289953', '289957', '289964', '289976', '289977', '289978', '289980', '289981', '290024', '290030', '290031', '384997']
nosy_count = 6.0
nosy_names = ['gvanrossum', 'pitrou', 'vstinner', 'njs', 'neologix', 'bkabrda']
pr_nums = ['768']
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = None
url = 'https://bugs.python.org/issue21895'
versions = ['Python 2.7', 'Python 3.4', 'Python 3.5', 'Python 3.6', 'Python 3.7']

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