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 #include "ompi_config.h"
22
23 #include <stdio.h>
24
25 #include "ompi/win/win.h"
26 #include "ompi/mpi/c/bindings.h"
27 #include "ompi/runtime/params.h"
28 #include "ompi/errhandler/errhandler.h"
29 #include "ompi/mpi/fortran/base/fint_2_int.h"
30
31 #if OMPI_BUILD_MPI_PROFILING
32 #if OPAL_HAVE_WEAK_SYMBOLS
33 #pragma weak MPI_Win_c2f = PMPI_Win_c2f
34 #endif
35 #define MPI_Win_c2f PMPI_Win_c2f
36 #endif
37
38 static const char FUNC_NAME[] = "MPI_Win_c2f";
39
40
41 MPI_Fint MPI_Win_c2f(MPI_Win win)
42 {
43
44 OPAL_CR_NOOP_PROGRESS();
45
46 if ( MPI_PARAM_CHECK) {
47 OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
48
49 /* Note that ompi_win_invalid() explicitly checks for
50 MPI_WIN_NULL, but MPI_WIN_C2F is supposed to treat
51 MPI_WIN_NULL as a valid window (and therefore return
52 a valid Fortran handle for it). Hence, this function
53 should not return an error if MPI_WIN_NULL is passed in.
54
55 See a big comment in ompi/communicator/communicator.h about
56 this (I know that's not win.h, but the issues are related,
57 and that's where the explanation is). */
58 if (ompi_win_invalid(win) && MPI_WIN_NULL != win) {
59 return OMPI_INT_2_FINT(-1);
60 }
61 }
62
63 return OMPI_INT_2_FINT(win->w_f_to_c_index);
64 }