view release on metacpan or  search on metacpan

lib/Daemon/Generic.pm  view on Meta::CPAN

	my %newconfig = $self->gd_preconfig;

	$self->{gd_pidfile} = $newconfig{pidfile} if $newconfig{pidfile};

	print "PIDFILE=$self->{gd_pidfile}\n" if $self->{debug};

	print "Configuration looks okay\n" if $do eq 'check';

	my $pidfile = $self->{gd_pidfile};
	my $killed = 0;
	my $locked = 0;
	if (-e $pidfile) {
		if ($locked = lock($pidfile, undef, 'nonblocking')) {
			# old process is dead
			if ($do eq 'status') {
			    print "$self->{gd_progname} dead\n";
			    exit 1;
			}
		} else {
			sleep(2) if -M $pidfile < 2/86400;
			my $oldpid = read_file($pidfile);
			chomp($oldpid);
			if ($oldpid) {
				if ($do eq 'stop' or $do eq 'restart') {
					$killed = $self->gd_kill($oldpid);
					$locked = lock($pidfile);
					if ($do eq 'stop') {
						unlink($pidfile);
						exit;
					}
				} elsif ($do eq 'reload') {
					if (kill(1,$oldpid)) {
						print "Requested reconfiguration\n";
						exit;
					} else {
						print "Kill failed: $!\n";

lib/Daemon/Generic.pm  view on Meta::CPAN

					if (kill(0,$oldpid)) {
						print "$self->{gd_progname} running - pid $oldpid\n";
						$self->gd_check($pidfile, $oldpid);
						exit;
					} 
				} elsif ($do eq 'start' || $do eq 'debug') {
					print "\u$self->{gd_progname} is already running (pid $oldpid)\n";
					exit; # according to LSB, this is no error
				}
			} else {
				$self->gd_error("Pid file $pidfile is invalid but locked, exiting\n");
			}
		}
	} else {
		$locked = lock($pidfile, undef, 'nonblocking') 
			or die "Could not lock pid file $pidfile: $!";
	}

	if ($do eq 'reload' || $do eq 'stop' || $do eq 'check' || ($do eq 'restart' && ! $killed)) {
		print "No $self->{gd_progname} running\n";
	}

	if ($do eq 'stop') {
		unlink($pidfile);
		exit;

lib/Daemon/Generic.pm  view on Meta::CPAN

		print "No $self->{gd_progname} running\n";
		exit 3;
	}

	if ($do eq 'check') {
		$self->gd_check($pidfile);
		exit 
	}

	unless ($do eq 'reload' || $do eq 'restart' || $do eq 'start' || $do eq 'debug') {
		$self->gd_other_cmd($do, $locked);
	}

	unless ($self->{gd_foreground} || $do eq 'debug') {
		$self->gd_daemonize;
	}

	$locked or lock($pidfile, undef, 'nonblocking') 
		or die "Could not lock PID file $pidfile: $!";

	write_file($pidfile, "$$\n");

	print STDERR "Starting up...\n";

	$self->gd_postconfig(%newconfig);

	$self->gd_setup_signals;