1 files changed, 6 insertions, 2 deletions
diff --git a/lib/PublicInbox/EvCleanup.pm b/lib/PublicInbox/EvCleanup.pm
index afed24ff..f76fb681 100644
--- a/lib/PublicInbox/EvCleanup.pm
+++ b/lib/PublicInbox/EvCleanup.pm
@@ -6,7 +6,6 @@ package PublicInbox::EvCleanup;
  use strict;
  use warnings;
  use base qw(PublicInbox::DS);
-use fields qw(rd);
  
  my $ENABLED;
  sub enabled { $ENABLED }
@@ -25,7 +24,12 @@ sub once_init () {
          pipe($r, $w) or die "pipe: $!";
          fcntl($w, 1031, 4096) if $^O eq 'linux'; # 1031: F_SETPIPE_SZ
          $self->SUPER::new($w);
-        $self->{rd} = $r; # never read, since we never write..
+
+        # always writable, since PublicInbox::EvCleanup::event_write
+        # never drains wbuf.  We can avoid wasting a hash slot by
+        # stuffing the read-end of the pipe into the never-to-be-touched
+        # wbuf
+        push @{$self->{wbuf}}, $r;
          $self;
  }