From 41c6125e1b5414b6d784067681739a818e82e579 Mon Sep 17 00:00:00 2001
From: Raphael Deem <raphael.deem@gmail.com>
Date: Sun, 12 Feb 2017 14:40:10 -0800
Subject: [PATCH] use try/except when adding loop sig handlers

---
 sanic/server.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/sanic/server.py b/sanic/server.py
index 8b9ed532..8a7969e2 100644
--- a/sanic/server.py
+++ b/sanic/server.py
@@ -346,7 +346,11 @@ def serve(host, port, request_handler, error_handler, before_start=None,
     # Register signals for graceful termination
     if register_sys_signals:
         for _signal in (SIGINT, SIGTERM):
-            loop.add_signal_handler(_signal, loop.stop)
+            try:
+                loop.add_signal_handler(_signal, loop.stop)
+            except NotImplementedError:
+                log.warn(('Sanic tried to use loop.add_signal_handler')
+                         ('but it is not implemented on this platform.'))
 
     pid = os.getpid()
     try: