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openmpi/ompi/mpi/c/win_c2f.c
2015-06-23 20:59:57 -07:00

64 строки
2.0 KiB
C

/*
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2006-2012 Cisco Systems, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include <stdio.h>
#include "ompi/win/win.h"
#include "ompi/mpi/c/bindings.h"
#include "ompi/runtime/params.h"
#include "ompi/errhandler/errhandler.h"
#include "ompi/mpi/fortran/base/fint_2_int.h"
#if OPAL_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
#pragma weak MPI_Win_c2f = PMPI_Win_c2f
#endif
#if OMPI_PROFILING_DEFINES
#include "ompi/mpi/c/profile/defines.h"
#endif
static const char FUNC_NAME[] = "MPI_Win_c2f";
MPI_Fint MPI_Win_c2f(MPI_Win win)
{
OPAL_CR_NOOP_PROGRESS();
if ( MPI_PARAM_CHECK) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
/* Note that ompi_win_invalid() explicitly checks for
MPI_WIN_NULL, but MPI_WIN_C2F is supposed to treat
MPI_WIN_NULL as a valid window (and therefore return
a valid Fortran handle for it). Hence, this function
should not return an error if MPI_WIN_NULL is passed in.
See a big comment in ompi/communicator/communicator.h about
this (I know that's not win.h, but the issues are related,
and that's where the explanation is). */
if (ompi_win_invalid(win) && MPI_WIN_NULL != win) {
return OMPI_INT_2_FINT(-1);
}
}
return OMPI_INT_2_FINT(win->w_f_to_c_index);
}