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

DEFINITIONS

1. MPI_File_read_at_all_begin

   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_at_all_begin = PMPI_File_read_at_all_begin
  14 #elif defined(HAVE_PRAGMA_HP_SEC_DEF)
  15 #pragma _HP_SECONDARY_DEF PMPI_File_read_at_all_begin MPI_File_read_at_all_begin
  16 #elif defined(HAVE_PRAGMA_CRI_DUP)
  17 #pragma _CRI duplicate MPI_File_read_at_all_begin as PMPI_File_read_at_all_begin
  18 /* end of weak pragmas */
  19 #elif defined(HAVE_WEAK_ATTRIBUTE)
  20 int MPI_File_read_at_all_begin(MPI_File fh, MPI_Offset offset, void *buf, int count,
  21                                MPI_Datatype datatype) __attribute__((weak,alias("PMPI_File_read_at_all_begin")));
  22 #endif
  23 
  24 /* Include mapping from MPI->PMPI */
  25 #define MPIO_BUILD_PROFILING
  26 #include "mpioprof.h"
  27 #endif
  28 
  29 /*@
  30     MPI_File_read_at_all_begin - Begin a split collective read using explicit offset
  31 
  32 Input Parameters:
  33 . fh - file handle (handle)
  34 . offset - file offset (nonnegative integer)
  35 . count - number of elements in buffer (nonnegative integer)
  36 . datatype - datatype of each buffer element (handle)
  37 
  38 Output Parameters:
  39 . buf - initial address of buffer (choice)
  40 
  41 .N fortran
  42 @*/
  43 int MPI_File_read_at_all_begin(MPI_File fh, MPI_Offset offset, void *buf,
  44                                int count, MPI_Datatype datatype)
  45 {
  46     int error_code;
  47     static char myname[] = "MPI_FILE_READ_AT_ALL_BEGIN";
  48 
  49     error_code = MPIOI_File_read_all_begin(fh, offset,
  50                                            ADIO_EXPLICIT_OFFSET,
  51                                            buf, count, datatype, myname);
  52 
  53     return error_code;
  54 }