die "fork: $!" unless defined $pid;
$self->{poll_pids}->{$pid} = [ $intvl, $uris ];
PublicInbox::EOFpipe->new($r, \&reap, [$pid, \&poll_fetch_reap, $self]);
die "fork: $!" unless defined $pid;
$self->{poll_pids}->{$pid} = [ $intvl, $uris ];
PublicInbox::EOFpipe->new($r, \&reap, [$pid, \&poll_fetch_reap, $self]);