+ my $over = $ctx->{ibx}->over or return gone($ctx, 'over');
+ while (1) {
+ while (defined(my $num = shift(@{$ctx->{ids}}))) {
+ my $smsg = $over->get_art($num) or next;
+ return $smsg;
+ }
+ # refill result set
+ my $srch = $ctx->{ibx}->isrch or return gone($ctx, 'search');
+ my $mset = $srch->mset($ctx->{query}, $ctx->{qopts});
+ my $size = $mset->size or return;
+ $ctx->{qopts}->{offset} += $size;
+ $ctx->{ids} = $srch->mset_to_artnums($mset, $ctx->{qopts});
+ }
+}
+
+sub results_thread_cb {
+ my ($ctx) = @_;
+
+ my $over = $ctx->{ibx}->over or return gone($ctx, 'over');