You may use:

kill -USR1 <pid>

Cheers,
-- Pavel

2015-04-21 16:36 GMT+02:00 Thierry Goubier <thierry.goubier@gmail.com>:
> Hi all,
>
> anybody knows if it would be possible to generate an external interruption
> (a signal) from outside the Pharo process which would trigger a Ctrl+.
> interrupt?
>
> OSProcess 4.5.13 has a tendancy to lock the image on some linux systems
> (ubuntu 14.10 at least), and it would be nice to be able to interrupt it to
> be able to see where it is blocked.
>
> "killall pharo" or Ctrl+C does not give much information :(
>
> Thanks,
>
> Thierry