Hmm, that was a lie.

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

diff --git a/src/smpi/smpi_pmpi.c b/src/smpi/smpi_pmpi.c
index 0c38666..09bb17c 100644 (file)
--- a/src/smpi/smpi_pmpi.c
+++ b/src/smpi/smpi_pmpi.c
@@ -84,7 +84,7 @@ int PMPI_Get_library_version (char *version,int *len){
 int PMPI_Init_thread(int *argc, char ***argv, int required, int *provided)
 {
   if (provided != NULL) {
-    *provided = MPI_THREAD_MULTIPLE;
+    *provided = MPI_THREAD_SINGLE;
   }
   return MPI_Init(argc, argv);
 }
@@ -96,7 +96,7 @@ int PMPI_Query_thread(int *provided)
   if (provided == NULL) {
     retval = MPI_ERR_ARG;
   } else {
-    *provided = MPI_THREAD_MULTIPLE;
+    *provided = MPI_THREAD_SINGLE;
     retval = MPI_SUCCESS;
   }
   return retval;
@@ -1825,10 +1825,11 @@ int PMPI_Gatherv(void *sendbuf, int sendcount, MPI_Datatype sendtype,
   int dt_size_recv = 1;
   if(!known)
     dt_size_recv = smpi_datatype_size(recvtype);
+  if((smpi_comm_rank(comm)==root)){
   extra->recvcounts= xbt_malloc(size*sizeof(int));
   for(i=0; i< size; i++)//copy data to avoid bad free
     extra->recvcounts[i] = recvcounts[i]*dt_size_recv;
-
+  }
   TRACE_smpi_collective_in(rank, root_traced, __FUNCTION__,extra);
 
   smpi_mpi_gatherv(sendtmpbuf, sendtmpcount, sendtmptype, recvbuf, recvcounts,
@@ -2028,9 +2029,11 @@ int PMPI_Scatterv(void *sendbuf, int *sendcounts, int *displs,
   int dt_size_send = 1;
   if(!known)
     dt_size_send = smpi_datatype_size(sendtype);
+  if((smpi_comm_rank(comm)==root)){
   extra->sendcounts= xbt_malloc(size*sizeof(int));
   for(i=0; i< size; i++)//copy data to avoid bad free
     extra->sendcounts[i] = sendcounts[i]*dt_size_send;
+  }
   extra->datatype2 = encode_datatype(recvtype, &known);
   int dt_size_recv = 1;
   if(!known)
@@ -2407,9 +2410,9 @@ int PMPI_Get_processor_name(char *name, int *resultlen)
 {
   int retval = MPI_SUCCESS;
 
-  strncpy(name, SIMIX_host_get_name(SIMIX_host_self()),
-          strlen(SIMIX_host_get_name(SIMIX_host_self())) < MPI_MAX_PROCESSOR_NAME - 1 ?
-          strlen(SIMIX_host_get_name(SIMIX_host_self())) +1 :
+  strncpy(name, sg_host_get_name(SIMIX_host_self()),
+          strlen(sg_host_get_name(SIMIX_host_self())) < MPI_MAX_PROCESSOR_NAME - 1 ?
+          strlen(sg_host_get_name(SIMIX_host_self())) +1 :
           MPI_MAX_PROCESSOR_NAME - 1 );
   *resultlen =
       strlen(name) >