From 6f9580bae26976903c000d4251b05773e43c39b1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Garc=C3=ADa=20Aubert?=
 <danielgarciaaubert@gmail.com>
Date: Tue, 9 Jun 2020 09:52:56 +0200
Subject: [PATCH] Allow the metro to exit if this is the only active server in
 the event loop system

---
 metro/metrics-collector.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/metro/metrics-collector.js b/metro/metrics-collector.js
index 50ef3cd5..bf488c17 100644
--- a/metro/metrics-collector.js
+++ b/metro/metrics-collector.js
@@ -115,4 +115,5 @@ http
         res.writeHead(200, { 'Content-Type': register.contentType });
         res.end(register.metrics());
     })
-    .listen(port);
+    .listen(port)
+    .unref();