From 216a97188d86cb3edb307a40ff5ee61b030eb033 Mon Sep 17 00:00:00 2001
From: Mark Andrews <marka@isc.org>
Date: Wed, 20 Jan 2021 13:53:50 +1100
Subject: [PATCH] Handle expected signals in tsiggss authsock.pl script

When the authsock.pl script would be terminated with a signal,
it would leave the pidfile around.  This commit adds a signal
handler that cleanups the pidfile on signals that are expected.
---
 bin/tests/system/tsiggss/authsock.pl | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/bin/tests/system/tsiggss/authsock.pl b/bin/tests/system/tsiggss/authsock.pl
index c43cab679f..ab3833d26f 100644
--- a/bin/tests/system/tsiggss/authsock.pl
+++ b/bin/tests/system/tsiggss/authsock.pl
@@ -42,6 +42,11 @@ open(my $pid,">",$pidfile)
 print $pid "$$\n";
 close($pid);
 
+# close gracefully
+sub rmpid { unlink "$pidfile"; exit 1; };
+$SIG{INT} = \&rmpid;
+$SIG{TERM} = \&rmpid;
+
 if ($timeout != 0) {
     # die after the given timeout
     alarm($timeout);