added mutex for ArmarXPlotter

source/RobotAPI/gui-plugins/SensorActorWidgetsPlugin/ArmarXPlotter/ArmarXPlotter.cpp

@@ -238,6 +238,8 @@ namespace armarx
 
     void ArmarXPlotter::toggleLogging(bool toggled)
     {
+        std::lock_guard<std::mutex> lock(mutex);
+
         if (toggled)
         {
             std::string filename = "datalog-" + IceUtil::Time::now().toDateTime() + ".csv";
@@ -266,6 +268,8 @@ namespace armarx
         }
         else
         {
+            logstream.flush();
+            ARMARX_INFO << "done writing log";
             logstream.close();
         }
     }

source/RobotAPI/gui-plugins/SensorActorWidgetsPlugin/ArmarXPlotter/ArmarXPlotter.h

@@ -49,6 +49,7 @@
 
 #include <vector>
 #include <fstream>
+#include <mutex>
 
 //forward declarations
 class QwtPlotCurve;
@@ -209,6 +210,8 @@ namespace armarx
         std::map<std::string, QwtThermo*> bars;
         void clearBarList();
 
+        std::mutex mutex;
+
 
     };