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What should happen to signals when the main thread dies? #50412

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eggy mannequin opened this issue Jun 1, 2009 · 2 comments
Closed

What should happen to signals when the main thread dies? #50412

eggy mannequin opened this issue Jun 1, 2009 · 2 comments
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interpreter-core (Objects, Python, Grammar, and Parser dirs) type-feature A feature request or enhancement

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@eggy
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eggy mannequin commented Jun 1, 2009

BPO 6162
Nosy @terryjreedy
Files
  • ignore_signals.py: Ignore signals such as SIGINT
    		•

    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 2010-07-09.03:42:06.523>
created_at = <Date 2009-06-01.16:01:32.485>
labels = ['interpreter-core', 'type-feature']
title = 'What should happen to signals when the main thread dies?'
updated_at = <Date 2010-07-09.03:42:06.520>
user = 'https://bugs.python.org/eggy'

    bugs.python.org fields:

    activity = <Date 2010-07-09.03:42:06.520>
actor = 'terry.reedy'
assignee = 'none'
closed = True
closed_date = <Date 2010-07-09.03:42:06.523>
closer = 'terry.reedy'
components = ['Interpreter Core']
creation = <Date 2009-06-01.16:01:32.485>
creator = 'eggy'
dependencies = []
files = ['14143']
hgrepos = []
issue_num = 6162
keywords = []
message_count = 2.0
messages = ['88650', '109674']
nosy_count = 2.0
nosy_names = ['terry.reedy', 'eggy']
pr_nums = []
priority = 'normal'
resolution = 'later'
stage = None
status = 'closed'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue6162'
versions = ['Python 3.2']
    @eggy
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    eggy mannequin commented Jun 1, 2009

    As signals are only delivered to the main thread, what should happen
    when the main thread dies? Currently, the signal mask is not unset in
    any other thread, so when the main thread dies, all signals set in the
    mask are simply ignored. Perhaps an other thread could be selected as
    the main thread?

    The accompanied file demonstrates this behavior.

    @eggy eggy mannequin added interpreter-core (Objects, Python, Grammar, and Parser dirs) type-feature A feature request or enhancement labels Jun 1, 2009
    @terryjreedy
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    I think there has been some discussion of signals, in the last year, on the py-dev list (== gmane.comp.python.devel), which is archived both on the python site and gmane.org. Signals seem to be a somewhat nasty subject.

    Since you only raise a question rather than proposing a specific, possible change, I am closing this for now. I suggest you open a discussion on python-list (mirrored as newsgroup gmane.comp.python.general). Perhaps a specific proposal would come from that, perhaps you would find that your idea is impossible.

    @ezio-melotti ezio-melotti transferred this issue from another repository Apr 10, 2022
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