From 0af38293961844486e4ef3ed80453cd199455533 Mon Sep 17 00:00:00 2001
From: Mitsuo Heijo <mitsuo.heijo@gmail.com>
Date: Thu, 2 Apr 2020 04:59:47 +0900
Subject: [PATCH] fix: wait until  all connections have been closed

---
 http.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/http.go b/http.go
index b3e15ecea0..1ba8e704a8 100644
--- a/http.go
+++ b/http.go
@@ -150,6 +150,7 @@ func (s *Server) serve(listener net.Listener) {
 	if err != nil && !errors.Is(err, http.ErrServerClosed) {
 		logger.Printf("ERROR: http.Serve() - %s", err)
 	}
+	<-idleConnsClosed
 }
 
 // tcpKeepAliveListener sets TCP keep-alive timeouts on accepted