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 }