From: Jason A. Donenfeld <Jason@zx2c4.com>
Date: Tue, 26 Sep 2017 13:24:18 +0000 (+0200)
Subject: Sleep to close fd
X-Git-Tag: 0.0.20180514~104
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=32d8932d1b29effa42fe56822988d3888c496873;p=thirdparty%2Fwireguard-go.git

Sleep to close fd
---

diff --git a/src/conn.go b/src/conn.go
index 41a5b85..2cf588d 100644
--- a/src/conn.go
+++ b/src/conn.go
@@ -3,6 +3,7 @@ package main
 import (
 	"errors"
 	"net"
+	"time"
 )
 
 func parseEndpoint(s string) (*net.UDPAddr, error) {
@@ -36,6 +37,10 @@ func updateUDPConn(device *Device) error {
 	if netc.conn != nil {
 		netc.conn.Close()
 		netc.conn = nil
+
+		// We need for that fd to be closed in all other go routines, which
+		// means we have to wait. TODO: find less horrible way of doing this.
+		time.Sleep(time.Second / 2)
 	}
 
 	// open new connection