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libs/ck-libs/ampi/romio/adio/ad_zoidfs/ad_zoidfs_fcntl.c

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/* -*- Mode: C; c-basic-offset:4 ; -*- */
/* 
 *
 *   Copyright (C) 1997 University of Chicago. 
 *   See COPYRIGHT notice in top-level directory.
 */

#include "ad_zoidfs.h"
#include "adio_extern.h"
#include "ad_zoidfs_common.h"

void ADIOI_ZOIDFS_Fcntl(ADIO_File fd, int flag, ADIO_Fcntl_t *fcntl_struct,
               int *error_code)
{
    int ret;
    zoidfs_attr_t attr;
    ADIOI_ZOIDFS_object *zoidfs_obj_ptr;
    static char myname[] = "ADIOI_ZOIDFS_FCNTL";

    zoidfs_obj_ptr = (ADIOI_ZOIDFS_object*)fd->fs_ptr;

    switch(flag) {
    case ADIO_FCNTL_GET_FSIZE:
    attr.mask = ZOIDFS_ATTR_SIZE;
        NO_STALE(ret, fd, zoidfs_obj_ptr,
                 zoidfs_getattr(zoidfs_obj_ptr, &attr, ZOIDFS_NO_OP_HINT));
    if ( !(attr.mask & ZOIDFS_ATTR_SIZE) || (ret != ZFS_OK ) ) {
        /* --BEGIN ERROR HANDLING-- */
        *error_code = MPIO_Err_create_code(MPI_SUCCESS,
                           MPIR_ERR_RECOVERABLE,
                           myname, __LINE__,
                           ADIOI_ZOIDFS_error_convert(ret),
                           "Error in zoidfs_getattr", 0);
        /* --END ERROR HANDLING-- */
    }
    else {
        *error_code = MPI_SUCCESS;
    }
    fcntl_struct->fsize = attr.size;
    return;

    case ADIO_FCNTL_SET_DISKSPACE:
    ADIOI_GEN_Prealloc(fd, fcntl_struct->diskspace, error_code);
    break;

    /* --BEGIN ERROR HANDLING-- */
    case ADIO_FCNTL_SET_ATOMICITY:
    default:
    *error_code = MPIO_Err_create_code(MPI_SUCCESS,
                       MPIR_ERR_RECOVERABLE,
                       myname, __LINE__,
                       MPI_ERR_ARG,
                       "**flag", "**flag %d", flag);
    /* --END ERROR HANDLING-- */
    }
}

/* 
 * vim: ts=8 sts=4 sw=4 noexpandtab 
 */

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