priv_daemon causes the process to detach from the controlling terminal, and run in the
background as system daemons. A Privman managed program should call this
in place of calling the
nochdir and noclose have the same meaning here as in the normal daemon method. See
for more details.
As a (hopefully) irrelevant detail, normally
daemon forks, and the child continues running while the original process
priv_daemon causes the privilege server to detach from the controlling terminal