shutdown (exit) can hang or segfault with daemon threads running

gpshead

BPO	1856
Nosy	@birkenfeld, @terryjreedy, @doko42, @gpshead, @kbkaiser, @amauryfa, @pitrou, @vstinner, @benjaminp, @ned-deily, @Trundle
Files	thread_exit.py: run this several times for several different behaviors python-trunk-issue1856-threadexit.diff: Immediately exit non-main threads if the interpreter is exiting thread_noswap.patch python-thread_noswap-2.diff finalizing.patch finalizing2.patch

^{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 = <Date 2014-07-11.21:08:57.822>
created_at = <Date 2008-01-17.02:01:14.628>
labels = ['interpreter-core', 'type-crash']
title = 'shutdown (exit) can hang or segfault with daemon threads running'
updated_at = <Date 2020-03-26.23:05:06.906>
user = 'https://github.com/gpshead'

bugs.python.org fields:

activity = <Date 2020-03-26.23:05:06.906>
actor = 'vstinner'
assignee = 'none'
closed = True
closed_date = <Date 2014-07-11.21:08:57.822>
closer = 'ned.deily'
components = ['Interpreter Core']
creation = <Date 2008-01-17.02:01:14.628>
creator = 'gregory.p.smith'
dependencies = []
files = ['9188', '9199', '9200', '10208', '21862', '21872']
hgrepos = []
issue_num = 1856
keywords = ['patch']
message_count = 32.0
messages = ['60014', '60016', '60018', '60056', '60059', '60063', '60069', '60070', '60071', '60072', '60073', '60074', '60075', '60077', '66363', '66742', '73720', '81485', '112641', '115330', '116928', '135006', '135007', '135051', '135144', '135146', '194599', '220786', '222768', '222796', '231460', '365120']
nosy_count = 20.0
nosy_names = ['georg.brandl', 'terry.reedy', 'doko', 'gregory.p.smith', 'kbk', 'guettli', 'amaury.forgeotdarc', 'ggenellina', 'Rhamphoryncus', 'larsimmisch', 'pitrou', 'vstinner', 'forest', 'flub', 'benjamin.peterson', 'jamescooper', 'ned.deily', 'Trundle', 'Netto', 'python-dev']
pr_nums = []
priority = 'high'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'crash'
url = 'https://bugs.python.org/issue1856'
versions = ['Python 3.2', 'Python 3.3']