Ctrl+C Can't Exit Script with Pool on Windows

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Assessment

Difficulty
4/5
Estimated time
3-5 days
Newbie friendliness
25/100
Issue type
Bug
Clarity
Needs clarification
Activity status
Stale
Tech stack
python
Domain
operating-systems

Research direction

Start by reviewing and running the attached t.py script, which uses multiprocessing.Pool on Windows, to reproduce the Ctrl+C behavior. Trace the interaction between the script, Pool, and Windows process handling; done means Ctrl+C can exit the script as expected.

Written by the indexing model from the issue text.

Description

OS-windows topic-multiprocessing type-bug
BPO 25962
Nosy @pfmoore, @tjguk, @zware, @zooba
Files
  • t.py: A Script Using multiprocessing.Pool
    		•

    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 2015-12-28.07:48:19.516>
labels = ['type-bug', 'OS-windows']
title = "Ctrl+C Can't Exit Script with Pool on Windows"
updated_at = <Date 2015-12-28.07:48:19.516>
user = 'https://bugs.python.org/Meng-YuanHuang'

    bugs.python.org fields:

    activity = <Date 2015-12-28.07:48:19.516>
actor = 'Meng-Yuan Huang'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Windows']
creation = <Date 2015-12-28.07:48:19.516>
creator = 'Meng-Yuan Huang'
dependencies = []
files = ['41436']
hgrepos = []
issue_num = 25962
keywords = []
message_count = 1.0
messages = ['257106']
nosy_count = 5.0
nosy_names = ['paul.moore', 'tim.golden', 'zach.ware', 'steve.dower', 'Meng-Yuan Huang']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue25962'
versions = ['Python 3.5']

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