From 462860480ac00a7958daa2a590bfdb5f4fde4147 Mon Sep 17 00:00:00 2001
From: Eric Wong <e@80x24.org>
Date: Mon, 23 May 2016 01:00:15 +0000
Subject: daemon: ignore SIGWINCH when connected to terminal

Users may change terminal sizes if the process is connected to a
terminal, so we can't reasonably expect SIGWINCH to work as
intended.
---
 lib/PublicInbox/Daemon.pm | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'lib')

diff --git a/lib/PublicInbox/Daemon.pm b/lib/PublicInbox/Daemon.pm
index 3d895b09..b64ec874 100644
--- a/lib/PublicInbox/Daemon.pm
+++ b/lib/PublicInbox/Daemon.pm
@@ -375,7 +375,13 @@ sub master_loop {
 				exit if $quit++;
 				kill_workers($s);
 			} elsif ($s eq 'WINCH') {
-				$worker_processes = 0;
+				if (-t STDIN || -t STDOUT || -t STDERR) {
+					warn
+"ignoring SIGWINCH while connected to terminal\n";
+					$SIG{WINCH} = 'IGNORE';
+				} else {
+					$worker_processes = 0;
+				}
 			} elsif ($s eq 'HUP') {
 				$worker_processes = $set_workers;
 				kill_workers($s);
-- 
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