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Re: [Help-bash] Restoring tty line settings after a trap


From: Chet Ramey
Subject: Re: [Help-bash] Restoring tty line settings after a trap
Date: Tue, 17 Jun 2014 10:26:44 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.5.0

On 6/16/14, 8:27 PM, Jesse Molina wrote:
> 
> Hi everyone
> 
> I have an issue with a bash script where if the user calls SIGINT via a
> ctrl+c, my trap gets called and the tty line settings don't get restored
> like they should, because they had been changed before trap was called, but
> not restored.

Thanks for the report.  The trap exiting `short-circuits' the normal
terminal restoration process.  Here's a patch that will undo readline's
terminal settings on the way out of the shell.

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/

Attachment: restore-term.patch
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