lei: use cached $daemon_pid when possible

->lei_daemon_pid can only be called in the top-level daemon
process when $daemon_pid is valid, so avoid a getpid(2) syscall
in those cases.

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/PublicInbox/LEI.pm b/lib/PublicInbox/LEI.pm
index 2832db63..f32e5bbc 100644
--- a/lib/PublicInbox/LEI.pm
+++ b/lib/PublicInbox/LEI.pm
@@ -927,7 +927,7 @@ sub _config {
         run_wait($cmd, \%env, \%opt) ? ($err_ok ? undef : fail($self, $?)) : 1;
 }
 
-sub lei_daemon_pid { puts shift, $$ }
+sub lei_daemon_pid { puts shift, $daemon_pid }
 
 sub lei_daemon_kill {
         my ($self) = @_;