From a45621948da6ede2c6cb4babc6e4cd73719e002a Mon Sep 17 00:00:00 2001
From: Alexander Bock <alexander.bock@liu.se>
Date: Wed, 21 Sep 2016 09:07:22 +0200
Subject: [PATCH] Making PerformanceMeasurement not crash when memory is
 deallocated

---
 src/performance/performancemanager.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/performance/performancemanager.cpp b/src/performance/performancemanager.cpp
index 41698fa1e8..6c0630f5e3 100644
--- a/src/performance/performancemanager.cpp
+++ b/src/performance/performancemanager.cpp
@@ -173,6 +173,9 @@ PerformanceManager::~PerformanceManager() {
         
         LINFO("Remove shared memory '" << _performanceMemory->name() << "'");
         ghoul::SharedMemory::remove(_performanceMemory->name());
+
+        _performanceMemory = nullptr;
+
     }
     
     PerformanceManager::destroyGlobalSharedMemory();