on_destroy: support PID owner guard

Since we'll be forking for Xapian indexing and maybe
other places, having a simple guard in place to ensure
OnDestroy doesn't unexpectedly unlink files or similar
is a safer option.

1 files changed, 2 insertions, 3 deletions

diff --git a/lib/PublicInbox/LEI.pm b/lib/PublicInbox/LEI.pm
index b84e24ef..4af85d49 100644
--- a/lib/PublicInbox/LEI.pm
+++ b/lib/PublicInbox/LEI.pm
@@ -745,9 +745,8 @@ sub lazy_start {
         # reading the <$daemon> pipe.
         openlog($path, 'pid', 'user');
         local $SIG{__WARN__} = sub { syslog('warning', "@_") };
-        my $owner_pid = $$;
-        my $on_destroy = PublicInbox::OnDestroy->new(sub {
-                syslog('crit', "$@") if $@ && $$ == $owner_pid;
+        my $on_destroy = PublicInbox::OnDestroy->new($$, sub {
+                syslog('crit', "$@") if $@;
         });
         open STDERR, '>&STDIN' or die "redirect stderr failed: $!";
         open STDOUT, '>&STDIN' or die "redirect stdout failed: $!";