On Jan 4, 7:21 ¨Βν¬ €Βραki Baz Castillo <i... / aliax.net> wrote: > El Lunes, 4 de Enero de 2010, Robert Klemme escribi > > > > > On 01/04/2010 11:52 AM, Iραki Baz Castillo wrote: > > > Hi, I know that a Ruby process with PID 1000 (under Linux) has forkedimes. How could I know the PID of those childs from any other ruby > > > interpreter? This is, I just know the PID of the parent (1000). > > > > Of course I could do some hack as inspecting the output of "ps" and > > > inspecting the pid/ppid, but I'd prfer a ppure Ruby method for this. > > > > Thanks for any suggestion. > > > The typical approach is that the forking parent records PIDs of its > > children. ¨Βτθατ ιξζοςνατιοξεεδτο βε πςοπαηατεδ ωογαειτθες > > write it to a file or make it available via DRb. > > > If you need multiple Ruby processes to collaborate I would probably turn > > to DRb anyway. ¨Βτθατ γασε ωονιηθξοεφεξ ξεεδ το ςεγοςδ ΠΙΔσ βυ> > you could have a coordinator where processes register and unregister or > > which starts processes itself. ¨Βδεπεξδοξ ωους υσγασε> > Thanks a lot. The fact is that I'd like not to modify the program whose > processes I want to monitor, so I was looking for something as "ps". http://github.com/djberg96/sys-proctable Regards, Dan