root/ompi/mpi/c/topo_test.c

DEFINITIONS

1. MPI_Topo_test

   1 /*
   2  * Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
   3  *                         University Research and Technology
   4  *                         Corporation.  All rights reserved.
   5  * Copyright (c) 2004-2013 The University of Tennessee and The University
   6  *                         of Tennessee Research Foundation.  All rights
   7  *                         reserved.
   8  * Copyright (c) 2004-2008 High Performance Computing Center Stuttgart,
   9  *                         University of Stuttgart.  All rights reserved.
  10  * Copyright (c) 2004-2005 The Regents of the University of California.
  11  *                         All rights reserved.
  12  * Copyright (c) 2012-2013 Inria.  All rights reserved.
  13  * Copyright (c) 2015      Research Organization for Information Science
  14  *                         and Technology (RIST). All rights reserved.
  15  * $COPYRIGHT$
  16  *
  17  * Additional copyrights may follow
  18  *
  19  * $HEADER$
  20  */
  21 
  22 #include "ompi_config.h"
  23 
  24 #include <stdio.h>
  25 #include "ompi/mpi/c/bindings.h"
  26 #include "ompi/runtime/params.h"
  27 #include "ompi/communicator/communicator.h"
  28 #include "ompi/errhandler/errhandler.h"
  29 #include "ompi/memchecker.h"
  30 #if OMPI_BUILD_MPI_PROFILING
  31 #if OPAL_HAVE_WEAK_SYMBOLS
  32 #pragma weak MPI_Topo_test = PMPI_Topo_test
  33 #endif
  34 #define MPI_Topo_test PMPI_Topo_test
  35 #endif
  36 
  37 static const char FUNC_NAME[] = "MPI_Topo_test";
  38 
  39 
  40 int MPI_Topo_test(MPI_Comm comm, int *status)
  41 {
  42     MEMCHECKER(
  43         memchecker_comm(comm);
  44     );
  45 
  46     OPAL_CR_NOOP_PROGRESS();
  47 
  48     if ( MPI_PARAM_CHECK ) {
  49         OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
  50         if (ompi_comm_invalid (comm)) {
  51             return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM,
  52                                           FUNC_NAME);
  53         } else if ( NULL == status ) {
  54             return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_ARG, FUNC_NAME);
  55         }
  56     }
  57 
  58     if (OMPI_COMM_IS_CART(comm)) {
  59         *status = MPI_CART;
  60     } else if (OMPI_COMM_IS_GRAPH(comm)) {
  61         *status = MPI_GRAPH;
  62     } else if (OMPI_COMM_IS_DIST_GRAPH(comm)) {
  63         *status = MPI_DIST_GRAPH;
  64     } else {
  65         *status = MPI_UNDEFINED;
  66     }
  67 
  68     return MPI_SUCCESS;
  69 }