Stop listening thread and wait for it to terminate.

This commit was SVN r30507.

orte/mca/oob/tcp/oob_tcp_component.c

@@ -14,6 +14,7 @@
  * Copyright (c) 2009-2013 Cisco Systems, Inc.  All rights reserved.
  * Copyright (c) 2011      Oak Ridge National Labs.  All rights reserved.
  * Copyright (c) 2013      Intel, Inc.  All rights reserved.
+ * Copyright (c) 2014      NVIDIA Corporation.  All rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow
@@ -633,6 +634,11 @@ static void component_shutdown(void)
                         "%s TCP SHUTDOWN",
                         ORTE_NAME_PRINT(ORTE_PROC_MY_NAME));
 
+    if (ORTE_PROC_IS_HNP && mca_oob_tcp_component.listen_thread_active) {
+        mca_oob_tcp_component.listen_thread_active = 0;
+        opal_thread_join(&mca_oob_tcp_component.listen_thread, NULL);
+    }
+
     while (NULL != (item = opal_list_remove_first(&mca_oob_tcp_component.listeners))) {
         OBJ_RELEASE(item);
     }