1 files changed, 5 insertions, 1 deletions
diff --git a/lib/PublicInbox/Listener.pm b/lib/PublicInbox/Listener.pm
index 5f351a77..a3a2015b 100644
--- a/lib/PublicInbox/Listener.pm
+++ b/lib/PublicInbox/Listener.pm
@@ -13,7 +13,7 @@ require IO::Handle;
  sub new ($$$) {
          my ($class, $s, $cb) = @_;
          setsockopt($s, SOL_SOCKET, SO_KEEPALIVE, 1);
-        setsockopt($s, IPPROTO_TCP, TCP_NODELAY, 1);
+        setsockopt($s, IPPROTO_TCP, TCP_NODELAY, 1); # ignore errors on non-TCP
          listen($s, 1024);
          IO::Handle::blocking($s, 0);
          my $self = fields::new($class);
@@ -26,8 +26,12 @@ sub new ($$$) {
  sub event_read {
          my ($self) = @_;
          my $sock = $self->{sock};
+
          # no loop here, we want to fairly distribute clients
          # between multiple processes sharing the same socket
+        # XXX our event loop needs better granularity for
+        # a single accept() here to be, umm..., acceptable
+        # on high-traffic sites.
          if (my $addr = accept(my $c, $sock)) {
                  IO::Handle::blocking($c, 0); # no accept4 :<
                  $self->{post_accept}->($c, $addr, $sock);