root/ompi/mpi/c/file_get_group.c

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DEFINITIONS

This source file includes following definitions.
  1. MPI_File_get_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) 2004-2005 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) 2015      Research Organization for Information Science
  13  *                         and Technology (RIST). All rights reserved.
  14  * $COPYRIGHT$
  15  *
  16  * Additional copyrights may follow
  17  *
  18  * $HEADER$
  19  */
  20 
  21 #include "ompi_config.h"
  22 
  23 #include "ompi/mpi/c/bindings.h"
  24 #include "ompi/runtime/params.h"
  25 #include "ompi/communicator/communicator.h"
  26 #include "ompi/errhandler/errhandler.h"
  27 #include "ompi/file/file.h"
  28 
  29 #if OMPI_BUILD_MPI_PROFILING
  30 #if OPAL_HAVE_WEAK_SYMBOLS
  31 #pragma weak MPI_File_get_group = PMPI_File_get_group
  32 #endif
  33 #define MPI_File_get_group PMPI_File_get_group
  34 #endif
  35 
  36 static const char FUNC_NAME[] = "MPI_File_get_group";
  37 
  38 
  39 int MPI_File_get_group(MPI_File fh, MPI_Group *group)
  40 {
  41     int rc;
  42 
  43     if (MPI_PARAM_CHECK) {
  44         rc = MPI_SUCCESS;
  45         OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
  46         if (ompi_file_invalid(fh)) {
  47             rc = MPI_ERR_FILE;
  48             fh = MPI_FILE_NULL;
  49         } else if (NULL == group) {
  50             rc = MPI_ERR_GROUP;
  51         }
  52         OMPI_ERRHANDLER_CHECK(rc, fh, rc, FUNC_NAME);
  53     }
  54 
  55     OPAL_CR_ENTER_LIBRARY();
  56 
  57     /* Does not need to invoke a back-end io function */
  58 
  59     rc = ompi_comm_group (fh->f_comm, group);
  60     OMPI_ERRHANDLER_RETURN(rc, fh, rc, FUNC_NAME);
  61 }

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