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Re: [BUG] Bash not reacting to Ctrl-C

From: Chet Ramey
Subject: Re: [BUG] Bash not reacting to Ctrl-C
Date: Mon, 28 Feb 2011 21:16:19 -0500
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On 2/11/11 4:00 PM, Oleg Nesterov wrote:

> I already tried to discuss this, but you didn't reply ;) See
> http://www.mail-archive.com/address@hidden/msg08528.html
> So, if I understand correctly, you mean that
>       #!/bin/sh
>       interactive_application
>       echo DONE
> shouldn't be interrupted by SIGINT after interactive_application exits.
> For example, it can be a text-editor which treats SIGINT specially.
> But, in this case, shouldn't we fix the script above? In this case
> the shell and the application should not run in the same tty->pgrp
> group, or we can add "trap SIGINT".

That's not a scalable solution, and doesn't take into account all programs
that use SIGINT as a normal part of their processing and all scripts that
might call them.

I would argue that the intended bash behavior, modulo any race conditions
that exist, is what the user expects to happen.

``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU    address@hidden    http://cnswww.cns.cwru.edu/~chet/

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