Re: the exquisite pain of signal handling in shell scripts

[Ralph Corderoy]

Hi Branden,

> It seems like the main difference between our signal handlers is that
> you do not reset the handler, and rely on exiting with a status
> greater than 127 to notify the shell that the process was killed with
> a signal.  I'm not sure that is reliable, or supposed to be.

Do you mean distinguish these two cases from a shell script using `$?'?

    $ sh -c 'kill $$'; echo $?
    Terminated
    143
    $ sh -c 'exit 143'; echo $?
    143
    $

-- 
Cheers, Ralph.