From 32549b002b1e85cdd36a1df08fa8d2b887f6648f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EC=84=A4=EC=9B=90=EC=A4=80=28Wonjoon=20Seol=29/Dispatch?=
 =?UTF-8?q?=20squad?= <wonjoon.seol@wesang.com>
Date: Sat, 27 Aug 2022 01:39:27 +0900
Subject: [PATCH] Fix uvicorn gunicorn worker class restarts when USR1 is
 issued (#1565)

* Fix uvicorn gunicorn worker class restarts when USR1 is issued

* Remove comment
---
 uvicorn/workers.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/uvicorn/workers.py b/uvicorn/workers.py
index f28c3a8d43..c7d16ff6ed 100644
--- a/uvicorn/workers.py
+++ b/uvicorn/workers.py
@@ -72,6 +72,10 @@ def init_signals(self) -> None:
         for s in self.SIGNALS:
             signal.signal(s, signal.SIG_DFL)
 
+        signal.signal(signal.SIGUSR1, self.handle_usr1)
+        # Don't let SIGUSR1 disturb active requests by interrupting system calls
+        signal.siginterrupt(signal.SIGUSR1, False)
+
     async def _serve(self) -> None:
         self.config.app = self.wsgi
         server = Server(config=self.config)