okay maybe not

app/common/threadsafemap.h

@@ -0,0 +1,27 @@
+#ifndef THREADSAFEMAP_H
+#define THREADSAFEMAP_H
+
+#include <QMap>
+#include <QMutex>
+
+template <typename K, typename V>
+class ThreadSafeMap
+{
+public:
+  ThreadSafeMap() = default;
+
+  void insert(K key, V value)
+  {
+    mutex_.lock();
+    map_.insert(key, value);
+    mutex_.unlock();
+  }
+
+private:
+  QMutex mutex_;
+
+  QMap<K, V> map_;
+
+};
+
+#endif // THREADSAFEMAP_H