Re: Trap does not work if a subshell wait(s) for job

[Chet Ramey]

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On 2/18/15 8:06 AM, Dr. Werner Fink wrote:
> Hi,
> 
> found due to a hang in the test suite of gnutls, after debugging I've
> extract the example code
> 
>      launch_server () { sleep 100 & l=$!; trap "kill -15 $l" 15; echo $l; 
> wait $l; }
>      launch_server & x=$!
>      sleep 2
>      kill $x
> 
> which does wait the full 100 seconds with bash 4.3 but with the old bash 4.2 
> only 2 seconds.

It sleeps 2 seconds on Mac OS X, Debian 7, Ubuntu 14, OpenSuSE 13, and
RHEL 5.  Check whether or not SIGTERM is trapped or ignored when you run
the script.


- -- 
``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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