From 820b76d894cf4a9509b11e88f590cc93ac93e8ef Mon Sep 17 00:00:00 2001
From: James Turner <james@flightgear.org>
Date: Tue, 22 Jun 2021 16:25:41 +0100
Subject: [PATCH] Fix deadlock on quit for Linux

---
 simgear/nasal/NasalEmesaryInterface.cxx | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/simgear/nasal/NasalEmesaryInterface.cxx b/simgear/nasal/NasalEmesaryInterface.cxx
index 609dd214..65e42826 100644
--- a/simgear/nasal/NasalEmesaryInterface.cxx
+++ b/simgear/nasal/NasalEmesaryInterface.cxx
@@ -57,7 +57,11 @@ namespace nasal
 class ThreadedGarbageCollector : public SGExclusiveThread {
 public:
     ThreadedGarbageCollector() : SGExclusiveThread() {}
-    virtual ~ThreadedGarbageCollector() {}
+
+    virtual ~ThreadedGarbageCollector() 
+    {
+        terminate();
+    }
 
     int process() override{
         return naGarbageCollect();