set_event_handler ($sock, write => undef);
if (exists $conn->{close_on_empty}) {
&{$conn->{eproc}}($conn, undef) if exists $conn->{eproc};
set_event_handler ($sock, write => undef);
if (exists $conn->{close_on_empty}) {
&{$conn->{eproc}}($conn, undef) if exists $conn->{eproc};