From: Jason A. Donenfeld <Jason@zx2c4.com>
Date: Mon, 21 May 2018 23:26:47 +0000 (+0200)
Subject: Call shutdown on route socket on freebsd
X-Git-Tag: 0.0.20180524~19
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b8c9e13c6e0db93133dc302b40e25b615fece9b8;p=thirdparty%2Fwireguard-go.git

Call shutdown on route socket on freebsd
---

diff --git a/tun_freebsd.go b/tun_freebsd.go
index e2ec511..f738c7f 100644
--- a/tun_freebsd.go
+++ b/tun_freebsd.go
@@ -441,8 +441,7 @@ func (tun *NativeTun) Close() error {
 	err2 := tun.fd.Close()
 	err3 := tunDestroy(tun.name)
 	if tun.routeSocket != -1 {
-		// Surprisingly, on FreeBSD, simply closing a route socket is enough to unblock it.
-		// We don't even need to call shutdown, or use a rwcancel. TODO: CONFIRM THIS CLAIM. IT WAS TRUE ON DARWIN BUT...
+		unix.Shutdown(tun.routeSocket, unix.SHUT_RDWR)
 		err4 = unix.Close(tun.routeSocket)
 		tun.routeSocket = -1
 	} else if tun.events != nil {