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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: Sun, 06 Mar 2011 16:40:30 -0500
User-agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2.13) Gecko/20101207 Lightning/1.0b2 Thunderbird/3.1.7

On 3/1/11 1:28 AM, Linus Torvalds wrote:

> A real interactive program that uses ^C (like an editor) isn't
> actually ever going to see a SIGINT _at_all_, since it will set the
> tty state to -isig, and actually read the ^C as the character '\003'
> rather than have any SIGINT issues). I dunno.

I will look at the rest of this, but in the case of GNU emacs, for
instance, the above is not true.  Emacs either keeps isig and makes
^G the interrupt character, or sets -isig and sends SIGINT to its own
pgrp when it reads ^G.  Regardless, an enclosing script gets a SIGINT
when you use ^G in GNU emacs.

Chet
-- 
``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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