From a933935e2d6af70dea252a2707efa2d3ce8d7675 Mon Sep 17 00:00:00 2001
From: Andrew Meadows <andrew@highfidelity.io>
Date: Sun, 28 Feb 2016 15:13:49 -0800
Subject: [PATCH] lock mutex in clearEntitiesInernal()

---
 libraries/entities/src/SimpleEntitySimulation.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libraries/entities/src/SimpleEntitySimulation.cpp b/libraries/entities/src/SimpleEntitySimulation.cpp
index 693d80b27d..6bf25f767d 100644
--- a/libraries/entities/src/SimpleEntitySimulation.cpp
+++ b/libraries/entities/src/SimpleEntitySimulation.cpp
@@ -127,6 +127,7 @@ void SimpleEntitySimulation::changeEntityInternal(EntityItemPointer entity) {
 }
 
 void SimpleEntitySimulation::clearEntitiesInternal() {
+    QMutexLocker lock(&_mutex);
     _entitiesWithSimulationOwner.clear();
     _entitiesThatNeedSimulationOwner.clear();
 }