lei-daemon: prefer graceful shutdowns

We'll keep the daemon alive as long as a a script/lei client
remains connected.  This ought to improve user experience
and is in line with what -imapd/-httpd/-nntpd users have
expected over the years.

1 files changed, 2 insertions, 0 deletions

diff --git a/lib/PublicInbox/LEI.pm b/lib/PublicInbox/LEI.pm
index 0b4bc20e..8d49b212 100644
--- a/lib/PublicInbox/LEI.pm
+++ b/lib/PublicInbox/LEI.pm
@@ -1101,6 +1101,8 @@ sub lazy_start {
         exit($exit_code // 0);
 }
 
+sub busy { 1 } # prevent daemon-shutdown if client is connected
+
 # for users w/o Socket::Msghdr installed or Inline::C enabled
 sub oneshot {
         my ($main_pkg) = @_;