root/ompi/mpi/fortran/mpif-h/file_read_at_f.c

DEFINITIONS

1. ompi_file_read_at_f

   1 /*
   2  * Copyright (c) 2004-2005 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) 2012      Oracle and/or its affiliates.  All rights reserved.
  14  * Copyright (c) 2015      Research Organization for Information Science
  15  *                         and Technology (RIST). All rights reserved.
  16  * $COPYRIGHT$
  17  *
  18  * Additional copyrights may follow
  19  *
  20  * $HEADER$
  21  */
  22 
  23 #include "ompi_config.h"
  24 
  25 #include "ompi/mpi/fortran/mpif-h/bindings.h"
  26 #include "ompi/mpi/fortran/mpif-h/status-conversion.h"
  27 #include "ompi/mpi/fortran/base/constants.h"
  28 
  29 #if OMPI_BUILD_MPI_PROFILING
  30 #if OPAL_HAVE_WEAK_SYMBOLS
  31 #pragma weak PMPI_FILE_READ_AT = ompi_file_read_at_f
  32 #pragma weak pmpi_file_read_at = ompi_file_read_at_f
  33 #pragma weak pmpi_file_read_at_ = ompi_file_read_at_f
  34 #pragma weak pmpi_file_read_at__ = ompi_file_read_at_f
  35 
  36 #pragma weak PMPI_File_read_at_f = ompi_file_read_at_f
  37 #pragma weak PMPI_File_read_at_f08 = ompi_file_read_at_f
  38 #else
  39 OMPI_GENERATE_F77_BINDINGS (PMPI_FILE_READ_AT,
  40                            pmpi_file_read_at,
  41                            pmpi_file_read_at_,
  42                            pmpi_file_read_at__,
  43                            pompi_file_read_at_f,
  44                            (MPI_Fint *fh, MPI_Offset *offset, char *buf, MPI_Fint *count, MPI_Fint *datatype, MPI_Fint *status, MPI_Fint *ierr),
  45                            (fh, offset, buf, count, datatype, status, ierr) )
  46 #endif
  47 #endif
  48 
  49 #if OPAL_HAVE_WEAK_SYMBOLS
  50 #pragma weak MPI_FILE_READ_AT = ompi_file_read_at_f
  51 #pragma weak mpi_file_read_at = ompi_file_read_at_f
  52 #pragma weak mpi_file_read_at_ = ompi_file_read_at_f
  53 #pragma weak mpi_file_read_at__ = ompi_file_read_at_f
  54 
  55 #pragma weak MPI_File_read_at_f = ompi_file_read_at_f
  56 #pragma weak MPI_File_read_at_f08 = ompi_file_read_at_f
  57 #else
  58 #if ! OMPI_BUILD_MPI_PROFILING
  59 OMPI_GENERATE_F77_BINDINGS (MPI_FILE_READ_AT,
  60                            mpi_file_read_at,
  61                            mpi_file_read_at_,
  62                            mpi_file_read_at__,
  63                            ompi_file_read_at_f,
  64                            (MPI_Fint *fh, MPI_Offset *offset, char *buf, MPI_Fint *count, MPI_Fint *datatype, MPI_Fint *status, MPI_Fint *ierr),
  65                            (fh, offset, buf, count, datatype, status, ierr) )
  66 #else
  67 #define ompi_file_read_at_f pompi_file_read_at_f
  68 #endif
  69 #endif
  70 
  71 
  72 void ompi_file_read_at_f(MPI_Fint *fh, MPI_Offset *offset, char *buf,
  73                         MPI_Fint *count, MPI_Fint *datatype,
  74                         MPI_Fint *status, MPI_Fint *ierr)
  75 {
  76     int c_ierr;
  77     MPI_File c_fh = PMPI_File_f2c(*fh);
  78     MPI_Datatype c_type = PMPI_Type_f2c(*datatype);
  79     OMPI_FORTRAN_STATUS_DECLARATION(c_status,c_status2)
  80 
  81     OMPI_FORTRAN_STATUS_SET_POINTER(c_status,c_status2,status)
  82 
  83     c_ierr = PMPI_File_read_at(c_fh,
  84                               (MPI_Offset) *offset,
  85                               buf,
  86                               OMPI_FINT_2_INT(*count),
  87                               c_type, c_status);
  88     if (NULL != ierr) *ierr = OMPI_INT_2_FINT(c_ierr);
  89 
  90     OMPI_FORTRAN_STATUS_RETURN(c_status,c_status2,status,c_ierr)
  91 }