# Signal event
extern class NativeEvSignal
super NativeEvent
new (base: NativeEventBase, signal: Int, handler: EventCallback)
import EventCallback.callback `{
EventCallback_incr_ref(handler);
return evsignal_new(base, signal, signal_cb, handler);
`}
end
lib/libevent/libevent.nit:132,1--141,3