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authorEric Wong <e@80x24.org>2021-03-24 14:23:31 +0500
committerEric Wong <e@80x24.org>2021-03-24 23:01:19 +0000
commitc5b52ce9b026e0a1cd5c32ffade1f08e544f4cdb (patch)
tree88bb441da037deb9a7afc1927d11d400018d3e2e /lib/PublicInbox/LeiXSearch.pm
parentd33f1ef680f2e7bce511f1e18d6bb5b24650e17b (diff)
downloadpublic-inbox-c5b52ce9b026e0a1cd5c32ffade1f08e544f4cdb.tar.gz
We need to consistently ensure pkt_op_c doesn't lead to a
long-lived circular reference if an exception is thrown in
pre_augment.  Maybe the API could be better, but this fixes an
FD leak when attempting to --augment a FIFO.

Followup-to: b9524082ba39e665 ("lei_xsearch: cleanup {pkt_op_p} on exceptions")
Diffstat (limited to 'lib/PublicInbox/LeiXSearch.pm')
-rw-r--r--lib/PublicInbox/LeiXSearch.pm9
1 files changed, 2 insertions, 7 deletions
diff --git a/lib/PublicInbox/LeiXSearch.pm b/lib/PublicInbox/LeiXSearch.pm
index c6b82eeb..58b6cfc0 100644
--- a/lib/PublicInbox/LeiXSearch.pm
+++ b/lib/PublicInbox/LeiXSearch.pm
@@ -406,11 +406,6 @@ sub ipc_atfork_child {
         $self->SUPER::ipc_atfork_child;
 }
 
-sub delete_pkt_op { # OnDestroy callback
-        my $unclosed_after_die = delete($_[0])->{pkt_op_p} or return;
-        close $unclosed_after_die;
-}
-
 sub do_query {
         my ($self, $lei) = @_;
         my $l2m = $lei->{l2m};
@@ -426,8 +421,7 @@ sub do_query {
                 'incr_start_query' => [ \&incr_start_query, $self, $l2m ],
         };
         $lei->{auth}->op_merge($ops, $l2m) if $l2m && $lei->{auth};
-        my $od = PublicInbox::OnDestroy->new($$, \&delete_pkt_op, $lei);
-        ($lei->{pkt_op_c}, $lei->{pkt_op_p}) = PublicInbox::PktOp->pair($ops);
+        my $end = $lei->pkt_op_pair($ops);
         $lei->{1}->autoflush(1);
         $lei->start_pager if delete $lei->{need_pager};
         $lei->{ovv}->ovv_begin($lei);
@@ -446,6 +440,7 @@ sub do_query {
                                 $lei->oldset, { lei => $lei });
         my $op = delete $lei->{pkt_op_c};
         delete $lei->{pkt_op_p};
+        @$end = ();
         $self->{threads} = $lei->{opt}->{threads};
         if ($l2m) {
                 $l2m->net_merge_complete unless $lei->{auth};