X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/96cedde3cdbc0b8ffc3f096a1b65d021b0226f99..5f0777244e5821403a26f5425bbb9eaa23500fe9:/teshsuite/smpi/coll-barrier/coll-barrier.c

diff --git a/teshsuite/smpi/coll-barrier/coll-barrier.c b/teshsuite/smpi/coll-barrier/coll-barrier.c
index d0a6bc9b0f..29b98f90eb 100644
--- a/teshsuite/smpi/coll-barrier/coll-barrier.c
+++ b/teshsuite/smpi/coll-barrier/coll-barrier.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2009-2019. The SimGrid Team.
+/* Copyright (c) 2009-2021. The SimGrid Team.
  * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
@@ -15,6 +15,11 @@ int main(int argc, char **argv)
   MPI_Init(&argc, &argv);
   MPI_Comm_size(MPI_COMM_WORLD, &size);
   MPI_Comm_rank(MPI_COMM_WORLD, &rank);
+  MPI_Comm_set_errhandler(MPI_COMM_WORLD, MPI_ERRORS_RETURN);
+
+  int status = MPI_Barrier(MPI_COMM_NULL);
+  if(status!=MPI_ERR_COMM)
+    printf("MPI_Barrier did not return MPI_ERR_COMM for MPI_COMM_NULL comm\n");
 
   MPI_Barrier(MPI_COMM_WORLD);