Index: main.cpp
===================================================================
diff -u -r939d1bae9a394697d46ca913a2dc3442bf8ef82f -r805119c460b4a266d6401c8705f4427e7fbe270f
--- main.cpp	(.../main.cpp)	(revision 939d1bae9a394697d46ca913a2dc3442bf8ef82f)
+++ main.cpp	(.../main.cpp)	(revision 805119c460b4a266d6401c8705f4427e7fbe270f)
@@ -39,6 +39,26 @@
 #include "usbwatcher.h"
 #include "threads.h"
 
+#include <signal.h>
+/*!
+ * \brief   signalhandler
+ * \details When application terminates it quits gracefully.
+ * \param   sig - The Linux signal causes the termination.
+ */
+void signalhandler(int sig)
+{
+    if (sig == SIGINT)
+    {
+        qDebug() << QObject::tr("Application terminated by SIGINT");
+        qApp->quit();
+    }
+    else if (sig == SIGTERM)
+    {
+        qDebug() << QObject::tr("Application terminated by SIGTERM");
+        qApp->quit();
+    }
+}
+
 #ifdef UNIT_TEST
     #include TEST_CLASS_INCLUDE
     QTEST_MAIN(TEST_CLASS_NAME)
@@ -50,6 +70,12 @@
  */
 int main(int argc, char *argv[])
 {
+
+#ifndef SQUISH_COCO_BULD
+    signal(SIGINT , signalhandler);
+    signal(SIGTERM, signalhandler);
+#endif
+
     //! - Qt Application initialization and parameters settings
     // Qt Core Application parameters settings
     QApplication::setApplicationName(QLatin1String("Denali"));
@@ -132,7 +158,7 @@
     int app_exec = app.exec();
 
     // Due to Qt Error the CAN Device cannot be disable/enable from withing another thread
-    // (other than main thread which is the owner of the CanDevice owner).
+    // (other than main thread which is the owner of the CanDevice).
     // So it needs to be done here in main thread.
     _CanInterface.quitDevice();