From e1c3ebb378d302514a714a2d5610e4e0ee7e9c03 Mon Sep 17 00:00:00 2001
From: Håvard Pettersen <havardpe@oath.com>
Date: Mon, 13 May 2019 14:11:23 +0000
Subject: perform all 'state' changes in the transport thread

---
 jrt/src/com/yahoo/jrt/TransportThread.java | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/jrt/src/com/yahoo/jrt/TransportThread.java b/jrt/src/com/yahoo/jrt/TransportThread.java
index 8f4f49b8888..bb41e67c3f1 100644
--- a/jrt/src/com/yahoo/jrt/TransportThread.java
+++ b/jrt/src/com/yahoo/jrt/TransportThread.java
@@ -331,13 +331,14 @@ public class TransportThread {
         parent.notifyDone(this);
     }
 
-    TransportThread shutdown() {
-        synchronized (this) {
-            if (state == OPEN) {
-                state = CLOSING;
-                selector.wakeup();
-            }
+    private synchronized void handleShutdown() {
+        if (state == OPEN) {
+            state = CLOSING;
         }
+    }
+
+    TransportThread shutdown() {
+        postCommand(this::handleShutdown);
         return this;
     }
 
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