1 files changed, 6 insertions, 0 deletions
diff --git a/lib/PublicInbox/SearchIdxShard.pm b/lib/PublicInbox/SearchIdxShard.pm
index 1333b305..875a9ec9 100644
--- a/lib/PublicInbox/SearchIdxShard.pm
+++ b/lib/PublicInbox/SearchIdxShard.pm
@@ -10,6 +10,7 @@ use parent qw(PublicInbox::SearchIdx);
  use bytes qw(length);
  use IO::Handle (); # autoflush
  use PublicInbox::Eml;
+use PublicInbox::Sigfd;
  
  sub new {
          my ($class, $v2w, $shard) = @_; # v2w may be ExtSearchIdx
@@ -29,9 +30,13 @@ sub spawn_worker {
          my ($r, $w);
          pipe($r, $w) or die "pipe failed: $!\n";
          $w->autoflush(1);
+        my $oldset = PublicInbox::Sigfd::block_signals();
          my $pid = fork;
          defined $pid or die "fork failed: $!\n";
          if ($pid == 0) {
+                # these signals are localized in parent
+                $SIG{$_} = 'IGNORE' for (qw(TERM INT QUIT));
+                PublicInbox::Sigfd::sig_setmask($oldset);
                  my $bnote = $v2w->atfork_child;
                  close $w or die "failed to close: $!";
  
@@ -44,6 +49,7 @@ sub spawn_worker {
                  die "unexpected MM $self->{mm}" if $self->{mm};
                  exit;
          }
+        PublicInbox::Sigfd::sig_setmask($oldset);
          $self->{pid} = $pid;
          $self->{w} = $w;
          close $r or die "failed to close: $!";