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 Cisco Systems, 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 #include "ompi_config.h"
22 #include <stdio.h>
23
24 #include "ompi/mpi/c/bindings.h"
25 #include "ompi/runtime/params.h"
26 #include "ompi/communicator/communicator.h"
27 #include "ompi/errhandler/errhandler.h"
28 #include "ompi/win/win.h"
29
30 #if OMPI_BUILD_MPI_PROFILING
31 #if OPAL_HAVE_WEAK_SYMBOLS
32 #pragma weak MPI_Win_get_name = PMPI_Win_get_name
33 #endif
34 #define MPI_Win_get_name PMPI_Win_get_name
35 #endif
36
37 static const char FUNC_NAME[] = "MPI_Win_get_name";
38
39
40 int MPI_Win_get_name(MPI_Win win, char *win_name, int *resultlen)
41 {
42 int ret;
43
44 if (MPI_PARAM_CHECK) {
45 OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
46
47 if (ompi_win_invalid(win)) {
48 return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_WIN, FUNC_NAME);
49 } else if (NULL == win_name || NULL == resultlen) {
50 return OMPI_ERRHANDLER_INVOKE(win, MPI_ERR_ARG, FUNC_NAME);
51 }
52 }
53
54 OPAL_CR_ENTER_LIBRARY();
55
56 /* Note that MPI-2.1 requires:
57 - terminating the string with a \0
58 - name[*resultlen] == '\0'
59 - and therefore (*resultlen) cannot be > (MPI_MAX_OBJECT_NAME-1)
60
61 The Fortran API version will pad to the right if necessary.
62
63 Note that win->name is guaranteed to be \0-terminated and
64 able to completely fit into MPI_MAX_OBJECT_NAME bytes (i.e.,
65 name+\0). ompi_win_get_name() does the Right things. */
66 ret = ompi_win_get_name(win, win_name, resultlen);
67 OMPI_ERRHANDLER_RETURN(ret, win, ret, FUNC_NAME);
68 }