root/ompi/mpi/c/comm_remote_group.c

DEFINITIONS

1. MPI_Comm_remote_group

   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) 2006      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 #include <string.h>
  24 
  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 
  31 #if OMPI_BUILD_MPI_PROFILING
  32 #if OPAL_HAVE_WEAK_SYMBOLS
  33 #pragma weak MPI_Comm_remote_group = PMPI_Comm_remote_group
  34 #endif
  35 #define MPI_Comm_remote_group PMPI_Comm_remote_group
  36 #endif
  37 
  38 
  39 static const char FUNC_NAME[] = "MPI_Comm_remote_group";
  40 
  41 
  42 int MPI_Comm_remote_group(MPI_Comm comm, MPI_Group *group)
  43 {
  44     MEMCHECKER(
  45         memchecker_comm(comm);
  46     );
  47 
  48     OPAL_CR_NOOP_PROGRESS();
  49 
  50     if ( MPI_PARAM_CHECK ) {
  51         OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
  52         if (ompi_comm_invalid (comm)) {
  53             return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM,
  54                                           FUNC_NAME);
  55         }
  56 
  57         if ( NULL == group ) {
  58             return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_ARG,
  59                                           FUNC_NAME);
  60         }
  61     }
  62 
  63     if ( OMPI_COMM_IS_INTER(comm) ) {
  64         OBJ_RETAIN(comm->c_remote_group);
  65     }
  66     else {
  67         return OMPI_ERRHANDLER_INVOKE (comm, MPI_ERR_COMM,
  68                                        FUNC_NAME);
  69     }
  70 
  71     *group = (MPI_Group) comm->c_remote_group;
  72     return MPI_SUCCESS;
  73 }