1 files changed, 6 insertions, 0 deletions
diff --git a/lib/PublicInbox/LEI.pm b/lib/PublicInbox/LEI.pm
index 3ad5e01a..6f21da35 100644
--- a/lib/PublicInbox/LEI.pm
+++ b/lib/PublicInbox/LEI.pm
@@ -236,6 +236,7 @@ my %CONFIG_KEYS = (
  
  sub x_it ($$) { # pronounced "exit"
          my ($self, $code) = @_;
+        $self->{1}->autoflush(1); # make sure client sees stdout before exit
          if (my $sig = ($code & 127)) {
                  kill($sig, $self->{pid} // $$);
          } else {
@@ -635,6 +636,7 @@ sub accept_dispatch { # Listener {post_accept} callback
                  say $sock "timed out waiting to recv FDs";
                  return;
          }
+        $self->{2}->autoflush(1); # keep stdout buffered until x_it|DESTROY
          # $ARGV_STR = join("]\0[", @ARGV);
          # $ENV_STR = join('', map { "$_=$ENV{$_}\0" } keys %ENV);
          # $line = "$$\0\0>$ARGV_STR\0\0>$ENV_STR\0\0";
@@ -773,4 +775,8 @@ sub oneshot {
          }, __PACKAGE__), @ARGV);
  }
  
+# ensures stdout hits the FS before sock disconnects so a client
+# can immediately reread it
+sub DESTROY { $_[0]->{1}->autoflush(1) }
+
  1;