Verify that the chdir(2) succeeds.

Signed-off-by: Mark Santcroos <mark.santcroos@rutgers.edu>

orte/mca/odls/alps/odls_alps_module.c

@@ -16,6 +16,8 @@
  * Copyright (c) 2011-2014 Los Alamos National Security, LLC.  All rights
  *                         reserved.
  * Copyright (c) 2013-2017 Intel, Inc.  All rights reserved.
+ * Copyright (c) 2017      Rutgers, The State University of New Jersey.
+ *                         All rights reserved.
  *
  * $COPYRIGHT$
  *
@@ -425,7 +427,16 @@ static int do_child(orte_odls_spawn_caddy_t *cd, int write_fd)
 
     /* take us to the correct wdir */
     if (NULL != cd->wdir) {
-        chdir(cd->wdir);
+        if (0 != chdir(cd->wdir)) {
+            send_error_show_help(write_fd, 1,
+                                 "help-orterun.txt",
+                                 "orterun:wdir-not-found",
+                                 orte_basename,
+                                 cd->wdir,
+                                 orte_process_info.nodename,
+                                 cd->child->app_rank);
+            /* Does not return */
+        }
     }
 
     /* Exec the new executable */

orte/mca/odls/default/odls_default_module.c

@@ -16,6 +16,8 @@
  * Copyright (c) 2011-2013 Los Alamos National Security, LLC.  All rights
  *                         reserved.
  * Copyright (c) 2013-2017 Intel, Inc. All rights reserved.
+ * Copyright (c) 2017      Rutgers, The State University of New Jersey.
+ *                         All rights reserved.
  *
  * $COPYRIGHT$
  *
@@ -416,7 +418,16 @@ static int do_child(orte_odls_spawn_caddy_t *cd, int write_fd)
 
     /* take us to the correct wdir */
     if (NULL != cd->wdir) {
-        chdir(cd->wdir);
+        if (0 != chdir(cd->wdir)) {
+            send_error_show_help(write_fd, 1,
+                                 "help-orterun.txt",
+                                 "orterun:wdir-not-found",
+                                 orte_basename,
+                                 cd->wdir,
+                                 orte_process_info.nodename,
+                                 cd->child->app_rank);
+            /* Does not return */
+        }
     }
 
     /* Exec the new executable */