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Re: read -e does not restore terminal settings correctly when interrupte


From: Mickaël THOMAS
Subject: Re: read -e does not restore terminal settings correctly when interrupted if a trap is set
Date: Mon, 8 Sep 2014 21:05:47 +0200

Yep, that fixed the problem, thank you !

2014-09-08 20:46 GMT+02:00 Chet Ramey <chet.ramey@case.edu>:
> On 9/7/14, 6:40 PM, mickael9@gmail.com wrote:
>
>> Bash Version: 4.3
>> Patch Level: 24
>> Release Status: release
>>
>> Description:
>>       Given the following script (test.sh) :
>>
>>       #!/bin/bash
>>       cleanup() { :; }
>>       trap cleanup 0
>>       read -e dummy
>>
>>       Run the script ('bash test.sh') *in ZSH* and when it waits for an 
>> input,
>>       interrupt it with Ctrl-C.
>
> Thanks for the report.  The problem is that bash doesn't clean up readline
> and its terminal state in all cases that can result in its calling
> longjmp() or exiting the shell.  I've attached a patch that should fix the
> problem.
>
> The problem doesn't manifest itself in bash because bash saves the terminal
> state before a command runs and restores it when the command is terminated
> by a signal.
>
> 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/



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