how can I be notified when asynchronous process is over ?



Hello list :)

I'm writing a Gtk2 app which has to launch external processes. In order to do that I use the Glib function "g_spawn_async".
I wonder how I can be notified when it is finished. I was thinking about 
being aware of SIGCHILD but I don't know how to do that.
If someone could tell me what is the best way to do that, it would be 
great.
Thanks

Alexis.




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