From d47797088f52ebfb32ee292b8f6563634863b7d0 Mon Sep 17 00:00:00 2001
From: Arceliar <Arceliar@users.noreply.github.com>
Date: Sun, 29 Mar 2020 00:48:41 -0500
Subject: [PATCH] fix shutdown deadlock

---
 src/yggdrasil/core.go   | 2 ++
 src/yggdrasil/switch.go | 4 ++--
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/yggdrasil/core.go b/src/yggdrasil/core.go
index 98a5c6e..dcb5bc7 100644
--- a/src/yggdrasil/core.go
+++ b/src/yggdrasil/core.go
@@ -195,8 +195,10 @@ func (c *Core) _stop() {
 		c.addPeerTimer.Stop()
 	}
 	c.link.stop()
+	/* FIXME this deadlocks, need a waitgroup or something to coordinate shutdown
 	for _, peer := range c.GetPeers() {
 		c.DisconnectPeer(peer.Port)
 	}
+	*/
 	c.log.Infoln("Stopped")
 }
diff --git a/src/yggdrasil/switch.go b/src/yggdrasil/switch.go
index 33f2a1b..7ccb6c9 100644
--- a/src/yggdrasil/switch.go
+++ b/src/yggdrasil/switch.go
@@ -250,7 +250,7 @@ func (t *switchTable) cleanRoot() {
 		t.time = now
 		if t.data.locator.root != t.key {
 			t.data.seq++
-			t.updateTable()
+			defer t.updateTable()
 			t.core.router.reset(nil)
 		}
 		t.data.locator = switchLocator{root: t.key, tstamp: now.Unix()}
@@ -524,7 +524,7 @@ func (t *switchTable) unlockedHandleMsg(msg *switchMsg, fromPort switchPort, rep
 		t.core.peers.sendSwitchMsgs(t)
 	}
 	if true || doUpdate {
-		t.updateTable()
+		defer t.updateTable()
 	}
 	return
 }