1 /*
2 * Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
3 * University Research and Technology
4 * Corporation. All rights reserved.
5 * Copyright (c) 2004-2005 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 Sun Microsystems, Inc. All rights reserved.
13 * Copyright (c) 2015 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 #include "ompi_config.h"
23
24 #include "ompi/mpi/c/bindings.h"
25 #include "ompi/runtime/params.h"
26 #include "ompi/errhandler/errhandler.h"
27 #include "ompi/file/file.h"
28
29 #if OMPI_BUILD_MPI_PROFILING
30 #if OPAL_HAVE_WEAK_SYMBOLS
31 #pragma weak MPI_File_set_size = PMPI_File_set_size
32 #endif
33 #define MPI_File_set_size PMPI_File_set_size
34 #endif
35
36 static const char FUNC_NAME[] = "MPI_File_set_size";
37
38
39 int MPI_File_set_size(MPI_File fh, MPI_Offset size)
40 {
41 int rc;
42
43 if (MPI_PARAM_CHECK) {
44 rc = MPI_SUCCESS;
45 OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
46 if (ompi_file_invalid(fh)) {
47 rc = MPI_ERR_FILE;
48 fh = MPI_FILE_NULL;
49 }
50 OMPI_ERRHANDLER_CHECK(rc, fh, rc, FUNC_NAME);
51 }
52
53 OPAL_CR_ENTER_LIBRARY();
54
55 /* Call the back-end io component function */
56
57 switch (fh->f_io_version) {
58 case MCA_IO_BASE_V_2_0_0:
59 rc = fh->f_io_selected_module.v2_0_0.
60 io_module_file_set_size(fh, size);
61 break;
62
63 default:
64 rc = MPI_ERR_INTERN;
65 break;
66 }
67
68 /* All done */
69
70 OMPI_ERRHANDLER_RETURN(rc, fh, rc, FUNC_NAME);
71 }