X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/25cc8f2c515534fee077ff6ef9a71b55bfc2786f..f4d034af50e34fbac8e6cf57d767f6704dfaf49c:/src/smpi/smpi_coll.c

diff --git a/src/smpi/smpi_coll.c b/src/smpi/smpi_coll.c
index 172ddb167c..70fdb14f87 100644
--- a/src/smpi/smpi_coll.c
+++ b/src/smpi/smpi_coll.c
@@ -1,6 +1,6 @@
 /* smpi_coll.c -- various optimized routing for collectives                   */
 
-/* Copyright (c) 2009, 2010. The SimGrid Team.
+/* Copyright (c) 2009-2013. The SimGrid Team.
  * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
@@ -143,7 +143,9 @@ int find_coll_description(s_mpi_coll_description_t * table,
         return i;
     }
   }
-  name_list = strdup(table[0].name);
+  if (!table[0].name)
+    xbt_die("No collective is valid! This is a bug.");
+  name_list = xbt_strdup(table[0].name);
   for (i = 1; table[i].name; i++) {
     name_list =
         xbt_realloc(name_list,
@@ -151,7 +153,7 @@ int find_coll_description(s_mpi_coll_description_t * table,
     strcat(name_list, ", ");
     strcat(name_list, table[i].name);
   }
-  xbt_die("Model '%s' is invalid! Valid models are: %s.", name, name_list);
+  xbt_die("Collective '%s' is invalid! Valid collectives are: %s.", name, name_list);
   return -1;
 }
 
@@ -243,7 +245,7 @@ static void build_tree(int root, int rank, int size, proc_tree_t * tree)
 static void tree_bcast(void *buf, int count, MPI_Datatype datatype,
                        MPI_Comm comm, proc_tree_t tree)
 {
-  int system_tag = 999;         // used negative int but smpi_create_request() declares this illegal (to be checked)
+  int system_tag = COLL_TAG_BCAST;
   int rank, i;
   MPI_Request *requests;
 
@@ -281,7 +283,7 @@ static void tree_bcast(void *buf, int count, MPI_Datatype datatype,
 static void tree_antibcast(void *buf, int count, MPI_Datatype datatype,
                            MPI_Comm comm, proc_tree_t tree)
 {
-  int system_tag = 999;         // used negative int but smpi_create_request() declares this illegal (to be checked)
+  int system_tag = COLL_TAG_BCAST;
   int rank, i;
   MPI_Request *requests;