File: get_atom.c

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openmpi 5.0.8-4
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/*
 * Copyright (C) by Argonne National Laboratory
 *     See COPYRIGHT in top-level directory
 */

#include "mpioimpl.h"

#ifdef HAVE_WEAK_SYMBOLS

#if defined(HAVE_PRAGMA_WEAK)
#pragma weak MPI_File_get_atomicity = PMPI_File_get_atomicity
#elif defined(HAVE_PRAGMA_HP_SEC_DEF)
#pragma _HP_SECONDARY_DEF PMPI_File_get_atomicity MPI_File_get_atomicity
#elif defined(HAVE_PRAGMA_CRI_DUP)
#pragma _CRI duplicate MPI_File_get_atomicity as PMPI_File_get_atomicity
/* end of weak pragmas */
#elif defined(HAVE_WEAK_ATTRIBUTE)
int MPI_File_get_atomicity(MPI_File fh, int *flag)
    __attribute__ ((weak, alias("PMPI_File_get_atomicity")));
#endif

/* Include mapping from MPI->PMPI */
#define MPIO_BUILD_PROFILING
#include "mpioprof.h"
#endif

/*@
    MPI_File_get_atomicity - Returns the atomicity mode

Input Parameters:
. fh - file handle (handle)

Output Parameters:
. flag - true if atomic mode, false if nonatomic mode (logical)

.N fortran
@*/
int MPI_File_get_atomicity(MPI_File fh, int *flag)
{
    int error_code;
    ADIO_File adio_fh;
    static char myname[] = "MPI_FILE_GET_ATOMICITY";

    adio_fh = MPIO_File_resolve(fh);

    /* --BEGIN ERROR HANDLING-- */
    MPIO_CHECK_FILE_HANDLE(adio_fh, myname, error_code);
    /* --END ERROR HANDLING-- */

    *flag = adio_fh->atomicity;

  fn_exit:
    return MPI_SUCCESS;
}