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

DEFINITIONS

1. MPI_File_read_all_end
2. MPIOI_File_read_all_end

   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_read_all_end = PMPI_File_read_all_end
  14 #elif defined(HAVE_PRAGMA_HP_SEC_DEF)
  15 #pragma _HP_SECONDARY_DEF PMPI_File_read_all_end MPI_File_read_all_end
  16 #elif defined(HAVE_PRAGMA_CRI_DUP)
  17 #pragma _CRI duplicate MPI_File_read_all_end as PMPI_File_read_all_end
  18 /* end of weak pragmas */
  19 #elif defined(HAVE_WEAK_ATTRIBUTE)
  20 int MPI_File_read_all_end(MPI_File fh, void *buf, MPI_Status *status) __attribute__((weak,alias("PMPI_File_read_all_end")));
  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_read_all_end - Complete a split collective read using
  30     individual file pointer
  31 
  32 Input Parameters:
  33 . fh - file handle (handle)
  34 
  35 Output Parameters:
  36 . buf - initial address of buffer (choice)
  37 . status - status object (Status)
  38 
  39 .N fortran
  40 @*/
  41 int MPI_File_read_all_end(MPI_File fh, void *buf, MPI_Status *status)
  42 {
  43     int error_code;
  44     static char myname[] = "MPI_FILE_IREAD";
  45 
  46     error_code = MPIOI_File_read_all_end(fh, buf, myname, status);
  47 
  48     return error_code;
  49 }
  50 
  51 /* prevent multiple definitions of this routine */
  52 #ifdef MPIO_BUILD_PROFILING
  53 int MPIOI_File_read_all_end(MPI_File fh,
  54                             void *buf,
  55                             char *myname,
  56                             MPI_Status *status)
  57 {
  58     int error_code = MPI_SUCCESS;
  59     ADIO_File adio_fh;
  60 
  61     MPIU_UNREFERENCED_ARG(buf);
  62 
  63     ROMIO_THREAD_CS_ENTER();
  64 
  65     adio_fh = MPIO_File_resolve(fh);
  66 
  67     /* --BEGIN ERROR HANDLING-- */
  68     MPIO_CHECK_FILE_HANDLE(adio_fh, myname, error_code);
  69 
  70     if (!(adio_fh->split_coll_count)) {
  71         error_code = MPIO_Err_create_code(MPI_SUCCESS, MPIR_ERR_RECOVERABLE,
  72                                           myname, __LINE__, MPI_ERR_IO, 
  73                                           "**iosplitcollnone", 0);
  74         error_code = MPIO_Err_return_file(adio_fh, error_code);
  75         goto fn_exit;
  76     }
  77     /* --END ERROR HANDLING-- */
  78 
  79 #ifdef HAVE_STATUS_SET_BYTES
  80     if (status != MPI_STATUS_IGNORE)
  81        *status = adio_fh->split_status;
  82 #endif
  83     adio_fh->split_coll_count = 0;
  84 
  85 fn_exit:
  86     ROMIO_THREAD_CS_EXIT();
  87 
  88     return error_code;
  89 }
  90 #endif