From 60d262483a4d6ddf295f5124aed3672866795ee5 Mon Sep 17 00:00:00 2001
From: Eric Wong <e@80x24.org>
Date: Mon, 8 Aug 2022 23:53:08 +0000
Subject: daemon: use per-listener SIG{__WARN__} callbacks

This allows "-l $ADDRESS?err=/path/to/err.log to isolate normal
warn() (and carp()) messages for a particular listen address to
track down errors more easily.
---
 lib/PublicInbox/Daemon.pm | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'lib/PublicInbox/Daemon.pm')

diff --git a/lib/PublicInbox/Daemon.pm b/lib/PublicInbox/Daemon.pm
index 0043d21e..bb140640 100644
--- a/lib/PublicInbox/Daemon.pm
+++ b/lib/PublicInbox/Daemon.pm
@@ -134,6 +134,8 @@ sub load_mod ($;$$) {
 		$tlsd->{$f} = $logs{$p} //= open_log_path(my $fh, $p);
 		warn "# $scheme://$addr $f=$p\n";
 	}
+	my $err = $tlsd->{err};
+	$tlsd->{warn_cb} = sub { print $err @_ }; # for local $SIG{__WARN__}
 	\%xn;
 }
 
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