[issue39811] Curses crash on ^4

[toonn]

toonn  added the comment:

Vim can handle ^4 just fine while still responding to SIGQUIT though.
Is there a way to determine where the signal's coming from to decide whether to 
react to it?

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[issue39811] Curses crash on ^4

[Serhiy Storchaka]

Serhiy Storchaka  added the comment:

It is not related to curses and Python.

Run arbitrary program (for example `cat` or `sleep 100`) and press Ctrl-4. You 
will get a core dump. This is because your terminal generates the signal 
SIGQUIT on Ctrl-4, and default action on SIGQUIT is core dump. So it all works 
as expected.

If you want to change it, ignore the signal.

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nosy: +serhiy.storchaka
resolution:  -> not a bug
stage:  -> resolved
status: open -> closed

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[issue39811] Curses crash on ^4

[toonn]

New submission from toonn :

We got a report about a crash which seems to happen in the curses library when 
a user pressed ^4.

How do we go about debugging this?
https://github.com/ranger/ranger/issues/1859

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components: Library (Lib)
messages: 363057
nosy: toonn
priority: normal
severity: normal
status: open
title: Curses crash on ^4
type: crash
versions: Python 3.6

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