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 e3abcd2..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!= 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;
@@ -914,7 +915,7 @@ int PMPI_Irecv(void *buf, int count, MPI_Datatype datatype, int src,
   } else if (src == MPI_PROC_NULL) {
     *request = MPI_REQUEST_NULL;
     retval = MPI_SUCCESS;
-  } else if (src >= smpi_group_size(smpi_comm_group(comm)) || src <0){
+  } else if (src!=MPI_ANY_SOURCE && (src >= smpi_group_size(smpi_comm_group(comm)) || src <0)){
     retval = MPI_ERR_COMM;
   } else if (count < 0) {
     retval = MPI_ERR_COUNT;
@@ -1008,7 +1009,7 @@ int PMPI_Recv(void *buf, int count, MPI_Datatype datatype, int src, int tag,
     smpi_empty_status(status);
     status->MPI_SOURCE = MPI_PROC_NULL;
     retval = MPI_SUCCESS;
-  }else if(src >= smpi_group_size(smpi_comm_group(comm)) || src <0){
+  } else if (src!=MPI_ANY_SOURCE && (src >= smpi_group_size(smpi_comm_group(comm)) || src <0)){
     retval = MPI_ERR_COMM;
   } else if (count < 0) {
     retval = MPI_ERR_COUNT;
@@ -1105,7 +1106,8 @@ int PMPI_Sendrecv(void *sendbuf, int sendcount, MPI_Datatype sendtype,
       smpi_empty_status(status);
       status->MPI_SOURCE = MPI_PROC_NULL;
       retval = MPI_SUCCESS;
-  }else if (dst >= smpi_group_size(smpi_comm_group(comm)) || dst <0 || src >= smpi_group_size(smpi_comm_group(comm)) || src <0){
+  }else if (dst >= smpi_group_size(smpi_comm_group(comm)) || dst <0 ||
+      (src!=MPI_ANY_SOURCE && (src >= smpi_group_size(smpi_comm_group(comm)) || src <0))){
     retval = MPI_ERR_COMM;
   } else if (sendcount < 0 || recvcount<0) {
       retval = MPI_ERR_COUNT;