> unless the parent does implement such propagation or if the signal is send to 0, or -PGID or if signal target PID is a group leader / session id or any other

> unless the parent does implement such propagation or if the signal is send to 0, or -PGID or if signal target PID is a group leader / session id or any other subtleties But you're right the general case is that children won't be interrupted.