do not free the group of MPI_COMM_WORLD when asked, because it is a global in smpi...

[simgrid.git] / src / smpi / smpi_pmpi.c

diff --git a/src/smpi/smpi_pmpi.c b/src/smpi/smpi_pmpi.c
index 8baedae..d34903c 100644 (file)
--- a/src/smpi/smpi_pmpi.c
+++ b/src/smpi/smpi_pmpi.c
@@ -271,6 +271,7 @@ int PMPI_Group_free(MPI_Group * group)
   if (group == NULL) {
     retval = MPI_ERR_ARG;
   } else {
   if (group == NULL) {
     retval = MPI_ERR_ARG;
   } else {

+    if(*group!= smpi_comm_group(MPI_COMM_WORLD))// do not free the group of the comm_world

     smpi_group_destroy(*group);
     *group = MPI_GROUP_NULL;
     retval = MPI_SUCCESS;
     smpi_group_destroy(*group);
     *group = MPI_GROUP_NULL;
     retval = MPI_SUCCESS;