root/ompi/mpi/c/file_c2f.c

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DEFINITIONS

This source file includes following definitions.
  1. MPI_File_c2f

   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) 2006-2012 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 
  22 #include "ompi_config.h"
  23 
  24 #include "ompi/mpi/c/bindings.h"
  25 #include "ompi/runtime/params.h"
  26 #include "ompi/errhandler/errhandler.h"
  27 #include "ompi/mpi/fortran/base/fint_2_int.h"
  28 #include "ompi/file/file.h"
  29 
  30 #if OMPI_BUILD_MPI_PROFILING
  31 #if OPAL_HAVE_WEAK_SYMBOLS
  32 #pragma weak MPI_File_c2f = PMPI_File_c2f
  33 #endif
  34 #define MPI_File_c2f PMPI_File_c2f
  35 #endif
  36 
  37 static const char FUNC_NAME[] = "MPI_File_c2f";
  38 
  39 
  40 MPI_Fint MPI_File_c2f(MPI_File file)
  41 {
  42 
  43     OPAL_CR_NOOP_PROGRESS();
  44 
  45     if (MPI_PARAM_CHECK) {
  46         OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
  47 
  48         /* Note that ompi_file_invalid() explicitly checks for
  49            MPI_FILE_NULL, but MPI_FILE_C2F is supposed to treat
  50            MPI_FILE_NULL as a valid file (and therefore return a valid
  51            Fortran handle for it).  Hence, this function should not
  52            return an error if MPI_FILE_NULL is passed in.
  53 
  54            See a big comment in ompi/communicator/communicator.h about
  55            this. */
  56         if (ompi_file_invalid(file) && MPI_FILE_NULL != file) {
  57             return OMPI_INT_2_FINT(-1);
  58         }
  59     }
  60 
  61     return OMPI_INT_2_FINT(file->f_f_to_c_index);
  62 }

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