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

[Chet Ramey]

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/bug-bash@gnu.org/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.

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