Add is_writing retrieval flag

core-writer/include/H5WriteModule.hpp

@@ -34,6 +34,8 @@ public:
             );
 
     void stop_writing();
+
+    bool is_writing();
 };
 
 

core-writer/src/module/H5WriteModule.cpp

@@ -211,3 +211,8 @@ void H5WriteModule::write_thread(
         cout << " Writer thread stopped." << endl;
     #endif
 }
+
+bool H5WriteModule::is_writing()
+{
+    return is_writing_.load(memory_order_relaxed);
+}