/* -*- 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. * $COPYRIGHT$ * * Additional copyrights may follow * * $HEADER$ */ #include "ompi_config.h" #include #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 OPAL_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES #pragma weak MPI_Request_c2f = PMPI_Request_c2f #endif #if OMPI_PROFILING_DEFINES #include "ompi/mpi/c/profile/defines.h" #endif static const char FUNC_NAME[] = "MPI_Request_f2c"; MPI_Fint MPI_Request_c2f(MPI_Request request) { MEMCHECKER( memchecker_request(&request); ); OPAL_CR_NOOP_PROGRESS(); 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) ; }