int PMPI_Errhandler_create(MPI_Handler_function* function, MPI_Errhandler* errhandler){
CHECK_NULL(2, MPI_ERR_ARG, errhandler)
*errhandler=new simgrid::smpi::Errhandler(function);
int PMPI_Errhandler_create(MPI_Handler_function* function, MPI_Errhandler* errhandler){
CHECK_NULL(2, MPI_ERR_ARG, errhandler)
*errhandler=new simgrid::smpi::Errhandler(function);