As long as the original parent is preserved for getppid(). There are
programs out there which communicate between the parent and child with
signals, and if the original parent dies, it undesirable to have the
child getppid() and start sending signals to a program not expecting
them. Invites undefined behavior.
Bill Davidsen <firstname.lastname@example.org>
"We have more to fear from the bungling of the incompetent than from
the machinations of the wicked." - from Slashdot