From 65742d89de3fa9f0b2c8d8a2bca7e6830c03f736 Mon Sep 17 00:00:00 2001
From: Shulhan <m.shulhan@gmail.com>
Date: Thu, 24 Oct 2019 10:22:55 +0700
Subject: dns: return an error received on server's Wait

By knowing the error value, the caller can decide wether the application
should exit with 0 or non-zero value.
---
 lib/dns/server.go | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'lib/dns/server.go')

diff --git a/lib/dns/server.go b/lib/dns/server.go
index b0f19271..abe527e7 100644
--- a/lib/dns/server.go
+++ b/lib/dns/server.go
@@ -367,13 +367,15 @@ func (srv *Server) Stop() {
 //
 // Wait for server to be Stop()-ed or when one of listener throw an error.
 //
-func (srv *Server) Wait() {
-	err := <-srv.errListener
+func (srv *Server) Wait() (err error) {
+	err = <-srv.errListener
 	if err != nil && err != io.EOF {
 		log.Println(err)
 	}
 
 	srv.Stop()
+
+	return err
 }
 
 //
-- 
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