src/libs/ck-libs/ampi/romio/mpi-io/get_atom.c

   1 /* -*- Mode: C; c-basic-offset:4 ; -*- */
   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_atomicity = PMPI_File_get_atomicity
  14 #elif defined(HAVE_PRAGMA_HP_SEC_DEF)
  15 #pragma _HP_SECONDARY_DEF PMPI_File_get_atomicity MPI_File_get_atomicity
  16 #elif defined(HAVE_PRAGMA_CRI_DUP)
  17 #pragma _CRI duplicate MPI_File_get_atomicity as PMPI_File_get_atomicity
  18 /* end of weak pragmas */
  19 #endif
  20
  21 /* Include mapping from MPI->PMPI */
  22 #define MPIO_BUILD_PROFILING
  23 #include "mpioprof.h"
  24 #endif
  25
  26 /*@
  27     MPI_File_get_atomicity - Returns the atomicity mode
  28
  29 Input Parameters:
  30 . fh - file handle (handle)
  31
  32 Output Parameters:
  33 . flag - true if atomic mode, false if nonatomic mode (logical)
  34
  35 .N fortran
  36 @*/
  37 int MPI_File_get_atomicity(MPI_File mpi_fh, int *flag)
  38 {
  39     int error_code;
  40     ADIO_File fh;
  41     static char myname[] = "MPI_FILE_GET_ATOMICITY";
  42
  43     fh = MPIO_File_resolve(mpi_fh);
  44
  45     /* --BEGIN ERROR HANDLING-- */
  46     MPIO_CHECK_FILE_HANDLE(fh, myname, error_code);
  47     /* --END ERROR HANDLING-- */
  48
  49     *flag = fh->atomicity;
  50
  51 fn_exit:
  52     return MPI_SUCCESS;
  53 }