Copy the group when doing a comm_split, to avoid to have shared objects with referenc...

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

diff --git a/src/smpi/smpi_pmpi.c b/src/smpi/smpi_pmpi.c
index df6074b..26e809b 100644 (file)
--- a/src/smpi/smpi_pmpi.c
+++ b/src/smpi/smpi_pmpi.c
@@ -606,26 +606,25 @@ int PMPI_Group_range_incl(MPI_Group group, int n, int ranges[][3],
         }
       }
 
-        *newgroup = smpi_group_new(size);
-        j = 0;
-        for (i = 0; i < n; i++) {
-          for (rank = ranges[i][0];     /* First */
-               rank >= 0; /* Last */
-               ) {
-            index = smpi_group_index(group, rank);
-            smpi_group_set_mapping(*newgroup, index, j);
-            j++;
-            rank += ranges[i][2]; /* Stride */
-           if (ranges[i][0]<ranges[i][1]){
-             if(rank > ranges[i][1])
-               break;
-           }else{
-             if(rank < ranges[i][1])
-               break;
-           }
-          }
+      *newgroup = smpi_group_new(size);
+      j = 0;
+      for (i = 0; i < n; i++) {
+        for (rank = ranges[i][0];     /* First */
+             rank >= 0; /* Last */
+             ) {
+          index = smpi_group_index(group, rank);
+          smpi_group_set_mapping(*newgroup, index, j);
+          j++;
+          rank += ranges[i][2]; /* Stride */
+         if (ranges[i][0]<ranges[i][1]){
+           if(rank > ranges[i][1])
+             break;
+         }else{
+           if(rank < ranges[i][1])
+             break;
+         }
         }
-      //}
+      }
     }
     smpi_group_use(*newgroup);
     retval = MPI_SUCCESS;