improve window closing behaviour

Author: NikolasK-source

src/InspectSHM.py

@@ -341,11 +341,13 @@ def delete_row(self, row_widget: QTableWidgetItem):
         self.exec_mutex.unlock()
 
     def closeEvent(self, event):
+        self.exec_mutex.lock()
         super(InspectSHM, self).closeEvent(event)
         self.timer.stop()
         if self.add_window:
             self.add_window.close()
         self.closed.emit()
+        self.exec_mutex.unlock()
 
     def save_config(self):
         file_name, _ = QFileDialog.getSaveFileName(self, caption="Save config")

src/SHMHexdump.py

@@ -116,9 +116,11 @@ def execute(self):
         self.exec_mutex.unlock()
 
     def closeEvent(self, event):
+        self.exec_mutex.lock()
         super(SHMHexdump, self).closeEvent(event)
         self.timer.stop()
         self.closed.emit()
+        self.exec_mutex.unlock()
 
 
 if __name__ == "__main__":

src/SHMRandom.py

@@ -141,6 +141,7 @@ def closeEvent(self, event):
         super(SHMRandom, self).closeEvent(event)
         if self.process:
             self.process.terminate()
+        self.process.waitForFinished(500)
         self.closed.emit()