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/* -*- Mode: C; c-basic-offset:4 ; -*- */
/*
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2007 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2008 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 (c) 2015 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include <stdio.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"
#include "ompi/request/request.h"
#include "ompi/memchecker.h"
#if OMPI_BUILD_MPI_PROFILING
#if OPAL_HAVE_WEAK_SYMBOLS
#pragma weak MPI_Request_c2f = PMPI_Request_c2f
#endif
#define MPI_Request_c2f PMPI_Request_c2f
#endif
static const char FUNC_NAME[] = "MPI_Request_c2f";
MPI_Fint MPI_Request_c2f(MPI_Request request)
{
MEMCHECKER(
memchecker_request(&request);
);
if ( MPI_PARAM_CHECK ) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (NULL == request) {
return OMPI_INT_2_FINT(-1);
}
}
/* We only put requests in the f2c table when this function is
invoked. This is because putting requests in the table
involves locking and unlocking the table, which would incur a
performance penalty (in the critical performance path) for C
applications. In this way, at least only Fortran applications
are penalized. :-\
Modifying this one function neatly fixes up all the Fortran
bindings because they all call MPI_Request_c2f in order to
transmorgify the C MPI_Request that they got back into a
fortran integer.
*/
if (MPI_UNDEFINED == request->req_f_to_c_index) {
request->req_f_to_c_index =
opal_pointer_array_add(&ompi_request_f_to_c_table, request);
}
return OMPI_INT_2_FINT(request->req_f_to_c_index) ;
}
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