root/ompi/mpi/c/comm_compare.c

DEFINITIONS

1. MPI_Comm_compare

   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) 2004-2005 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) 2007      Cisco Systems, Inc.  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 #include "ompi_config.h"
  22 #include <stdio.h>
  23 
  24 #include "ompi/mpi/c/bindings.h"
  25 #include "ompi/runtime/params.h"
  26 #include "ompi/communicator/communicator.h"
  27 #include "ompi/errhandler/errhandler.h"
  28 #include "ompi/memchecker.h"
  29 
  30 #if OMPI_BUILD_MPI_PROFILING
  31 #if OPAL_HAVE_WEAK_SYMBOLS
  32 #pragma weak MPI_Comm_compare = PMPI_Comm_compare
  33 #endif
  34 #define MPI_Comm_compare PMPI_Comm_compare
  35 #endif
  36 
  37 static const char FUNC_NAME[] = "MPI_Comm_compare";
  38 
  39 
  40 int MPI_Comm_compare(MPI_Comm comm1, MPI_Comm comm2, int *result) {
  41 
  42     int rc;
  43 
  44     MEMCHECKER(
  45         memchecker_comm(comm1);
  46         memchecker_comm(comm2);
  47     );
  48 
  49     if ( MPI_PARAM_CHECK ) {
  50         OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
  51 
  52         if (ompi_comm_invalid(comm1) || ompi_comm_invalid(comm2)) {
  53             return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM,
  54                                           FUNC_NAME);
  55         }
  56 
  57         if ( NULL == result ) {
  58             return OMPI_ERRHANDLER_INVOKE(comm1, MPI_ERR_ARG,
  59                                           FUNC_NAME);
  60         }
  61     }
  62 
  63     OPAL_CR_ENTER_LIBRARY();
  64 
  65     rc = ompi_comm_compare ( (ompi_communicator_t*)comm1,
  66                              (ompi_communicator_t*)comm2,
  67                              result);
  68     OMPI_ERRHANDLER_RETURN ( rc, comm1, rc, FUNC_NAME);
  69 }