1 /*
2 * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
3 * University Research and Technology
4 * Corporation. All rights reserved.
5 * Copyright (c) 2004-2017 The University of Tennessee and The University
6 * of Tennessee Research Foundation. All rights
7 * reserved.
8 * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
9 * University of Stuttgart. All rights reserved.
10 * Copyright (c) 2004-2005 The Regents of the University of California.
11 * All rights reserved.
12 * Copyright (c) 2008-2018 University of Houston. All rights reserved.
13 * Copyright (c) 2018 Research Organization for Information Science
14 * and Technology (RIST). All rights reserved.
15 * $COPYRIGHT$
16 *
17 * Additional copyrights may follow
18 *
19 * $HEADER$
20 */
21
22
23 #include "ompi_config.h"
24 #include "base.h"
25
26 #include "mpi.h"
27 #include "ompi/constants.h"
28 #include "ompi/mca/fs/fs.h"
29
30 #include <unistd.h>
31
32 /*
33 * file_set_size_ufs
34 *
35 * Function: - set_size of a file
36 * Accepts: - same arguments as MPI_File_set_size()
37 * Returns: - Success if size is set
38 */
39 int mca_fs_base_file_set_size (ompio_file_t *fh,
40 OMPI_MPI_OFFSET_TYPE size)
41 {
42 int err = 0;
43
44 err = ftruncate(fh->fd, size);
45
46 fh->f_comm->c_coll->coll_bcast (&err,
47 1,
48 MPI_INT,
49 OMPIO_ROOT,
50 fh->f_comm,
51 fh->f_comm->c_coll->coll_bcast_module);
52 if (-1 == err) {
53 return OMPI_ERROR;
54 }
55 return OMPI_SUCCESS;
56 }