root/ompi/mca/io/romio321/romio/mpi-io/get_info.c

DEFINITIONS

1. MPI_File_get_info

   1 /* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
   2 /* 
   3  *
   4  *   Copyright (C) 1997 University of Chicago. 
   5  *   See COPYRIGHT notice in top-level directory.
   6  */
   7 
   8 #include "mpioimpl.h"
   9 
  10 #ifdef HAVE_WEAK_SYMBOLS
  11 
  12 #if defined(HAVE_PRAGMA_WEAK)
  13 #pragma weak MPI_File_get_info = PMPI_File_get_info
  14 #elif defined(HAVE_PRAGMA_HP_SEC_DEF)
  15 #pragma _HP_SECONDARY_DEF PMPI_File_get_info MPI_File_get_info
  16 #elif defined(HAVE_PRAGMA_CRI_DUP)
  17 #pragma _CRI duplicate MPI_File_get_info as PMPI_File_get_info
  18 /* end of weak pragmas */
  19 #elif defined(HAVE_WEAK_ATTRIBUTE)
  20 int MPI_File_get_info(MPI_File fh, MPI_Info *info_used) __attribute__((weak,alias("PMPI_File_get_info")));
  21 #endif
  22 
  23 /* Include mapping from MPI->PMPI */
  24 #define MPIO_BUILD_PROFILING
  25 #include "mpioprof.h"
  26 #endif
  27 
  28 /*@
  29     MPI_File_get_info - Returns the hints for a file that are actually being used by MPI
  30 
  31 Input Parameters:
  32 . fh - file handle (handle)
  33 
  34 Output Parameters:
  35 . info_used - info object (handle)
  36 
  37 .N fortran
  38 @*/
  39 int MPI_File_get_info(MPI_File fh, MPI_Info *info_used)
  40 {
  41     int error_code;
  42     ADIO_File adio_fh;
  43     static char myname[] = "MPI_FILE_GET_INFO";
  44 
  45     ROMIO_THREAD_CS_ENTER();
  46 
  47     adio_fh = MPIO_File_resolve(fh);
  48 
  49     /* --BEGIN ERROR HANDLING-- */
  50     MPIO_CHECK_FILE_HANDLE(adio_fh, myname, error_code);
  51     /* --END ERROR HANDLING-- */
  52 
  53     error_code = MPI_Info_dup(adio_fh->info, info_used);
  54     /* --BEGIN ERROR HANDLING-- */
  55     if (error_code != MPI_SUCCESS)
  56         error_code = MPIO_Err_return_file(adio_fh, error_code);
  57     /* --END ERROR HANDLING-- */
  58 
  59 fn_exit:
  60     ROMIO_THREAD_CS_EXIT();
  61     return  error_code;
  62 }