Add Reduce SMP collective from MVAPICH2

[simgrid.git] / src / smpi / colls / reduce-ompi.c

diff --git a/src/smpi/colls/reduce-ompi.c b/src/smpi/colls/reduce-ompi.c
index 0b71d60..e9e3803 100644 (file)
--- a/src/smpi/colls/reduce-ompi.c
+++ b/src/smpi/colls/reduce-ompi.c
@@ -1,3 +1,9 @@
+/* Copyright (c) 2013-2014. The SimGrid Team.
+ * All rights reserved.                                                     */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
 /*
  * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
  *                         University Research and Technology
@@ -9,11 +15,8 @@
  *                         University of Stuttgart.  All rights reserved.
  * Copyright (c) 2004-2005 The Regents of the University of California.
  *                         All rights reserved.
- * $COPYRIGHT$
  *
  * Additional copyrights may follow
- *
- * $HEADER$
  */
 
 #include "colls_private.h"
@@ -612,7 +615,7 @@ smpi_coll_tuned_reduce_ompi_basic_linear(void *sbuf, void *rbuf, int count,
         smpi_mpi_send(sbuf, count, dtype, root,
                                 COLL_TAG_REDUCE,
                                 comm);
-        return -1;
+        return MPI_SUCCESS;
     }
 
     /* see discussion in ompi_coll_basic_reduce_lin_intra about