Fix for BUG#19391: IM fails to start after two executions

server-tools/instance-manager/manager.cc:
  Start Listener-thread after all initialization.

server-tools/instance-manager/manager.cc

@@ -147,28 +147,6 @@ void manager(const Options &options)
   if (create_pid_file(options.pid_file_name, manager_pid))
     return;
 
-  sigset_t mask;
-  set_signals(&mask);
-
-  /* create the listener */
-  {
-    pthread_t listener_thd_id;
-    pthread_attr_t listener_thd_attr;
-    int rc;
-
-    pthread_attr_init(&listener_thd_attr);
-    pthread_attr_setdetachstate(&listener_thd_attr, PTHREAD_CREATE_DETACHED);
-    rc= set_stacksize_n_create_thread(&listener_thd_id, &listener_thd_attr,
-                                      listener, &listener_args);
-    pthread_attr_destroy(&listener_thd_attr);
-    if (rc)
-    {
-      log_error("manager(): set_stacksize_n_create_thread(listener) failed");
-      goto err;
-    }
-
-  }
-
   /* create guardian thread */
   {
     pthread_t guardian_thd_id;
@@ -211,6 +189,30 @@ void manager(const Options &options)
     return;
   }
 
+  /* Initialize signals and alarm-infrastructure. */
+
+  sigset_t mask;
+  set_signals(&mask);
+
+  /* create the listener */
+  {
+    pthread_t listener_thd_id;
+    pthread_attr_t listener_thd_attr;
+    int rc;
+
+    pthread_attr_init(&listener_thd_attr);
+    pthread_attr_setdetachstate(&listener_thd_attr, PTHREAD_CREATE_DETACHED);
+    rc= set_stacksize_n_create_thread(&listener_thd_id, &listener_thd_attr,
+                                      listener, &listener_args);
+    pthread_attr_destroy(&listener_thd_attr);
+    if (rc)
+    {
+      log_error("manager(): set_stacksize_n_create_thread(listener) failed");
+      goto err;
+    }
+
+  }
+
   /*
     After the list of guarded instances have been initialized,
     Guardian should start them.