return unless PublicInbox::EvCleanup::enabled();
$cleanup_timer ||= PublicInbox::EvCleanup::later(*cleanup_task);
$CLEANUP->{"$self"} = $self;
return unless PublicInbox::EvCleanup::enabled();
$cleanup_timer ||= PublicInbox::EvCleanup::later(*cleanup_task);
$CLEANUP->{"$self"} = $self;