python / python/cpython

Windows select() errors out when given no fds to select on, which breaks SelectSelector

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

BPO 29256
Nosy @pfmoore, @giampaolo, @tjguk, @njsmith, @berkerpeksag, @zware, @eryksun, @zooba

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 2017-01-12.23:42:18.821>
labels = ['type-bug', '3.8', '3.9', '3.10', 'library', 'OS-windows']
title = 'Windows select() errors out when given no fds to select on, which breaks SelectSelector'
updated_at = <Date 2021-03-12.21:41:22.098>
user = 'https://github.com/njsmith'

bugs.python.org fields:

activity = <Date 2021-03-12.21:41:22.098>
actor = 'vstinner'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)', 'Windows']
creation = <Date 2017-01-12.23:42:18.821>
creator = 'njs'
dependencies = []
files = []
hgrepos = []
issue_num = 29256
keywords = []
message_count = 5.0
messages = ['285353', '285497', '287222', '287223', '287225']
nosy_count = 8.0
nosy_names = ['paul.moore', 'giampaolo.rodola', 'tim.golden', 'njs', 'berker.peksag', 'zach.ware', 'eryksun', 'steve.dower']
pr_nums = []
priority = 'normal'
resolution = None
stage = 'needs patch'
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue29256'
versions = ['Python 3.8', 'Python 3.9', 'Python 3.10']

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  1. 先读完整个 Issue,再读项目的贡献指南。
  2. 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
  3. Fork 仓库,在一个分支上完成修改。
  4. 提交 Pull Request,并在描述里引用这个 Issue 编号。

调研方向

从 SelectSelector 入口点开始,调查未提供任何文件描述符时 Windows select() 的行为。在 Windows 上重现该故障,并跟踪空集合的处理方式。当 SelectSelector 可以在没有描述符的情况下等待而不引发报告中的错误,并且该情况有回归测试覆盖时,即视为完成。

由索引模型根据 Issue 内容生成。

评估

技术栈
python
领域
operating-systems
Issue 类型
缺陷
难度
4/5
预计耗时
3-5 天
活跃度
停滞
描述清晰度
基本清楚
新手友好度
35/100

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