##
my $pid = fork;
exit 0 if $pid;
exit 1 if not defined $pid;
##
##
setsid();
$pid = fork;
exit 0 if $pid;
exit 1 if not defined $pid;
##
##
chdir '/' or die $!;
##
##
umask 0;
##
##
close $_ for @_;
}