fix stdin bug returning eof in input loop

srsue/src/main.cc

@@ -403,6 +403,10 @@ void *input_loop(void *m) {
   char key;
   while (running) {
     cin >> key;
+    if (cin.eof() || cin.bad()) {
+      cout << "Closing stdin thread\n" << endl;
+       break;
+    } else {
       if ('t' == key) {
         do_metrics = !do_metrics;
         if (do_metrics) {
@@ -413,6 +417,7 @@ void *input_loop(void *m) {
         metrics_screen.toggle_print(do_metrics);
       }
     }
+  }
   return NULL;
 }