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Re: Changing window size via bind -x may cause bash to hang in futex() c


From: Chet Ramey
Subject: Re: Changing window size via bind -x may cause bash to hang in futex() call
Date: Sun, 27 Mar 2011 20:50:26 -0400
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 2/27/11 4:26 AM, Henning Bekel wrote:

> Bash Version: 4.2
> Patch Level: 0
> Release Status: release
> 
> Description: When the size of an XTerminal is changed via a keybinding
>            (either by issuing an escape sequence or by an external
>            program that uses xlib) then sometimes bash will simply hang
>            before redrawing the prompt, not responding to C-c
>            anymore. I've used strace to verify that it's not the terminal
>            but indeed bash that seems to hang, apparently in a
>            futex(...FUTEX_WAIT...) call.

Thanks for the report.  This will be fixed in the next release of
bash/readline.

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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