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 }