1 /* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
2 /*
3 * Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
4 * University Research and Technology
5 * Corporation. All rights reserved.
6 * Copyright (c) 2004-2006 The University of Tennessee and The University
7 * of Tennessee Research Foundation. All rights
8 * reserved.
9 * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
10 * University of Stuttgart. All rights reserved.
11 * Copyright (c) 2004-2005 The Regents of the University of California.
12 * All rights reserved.
13 * Copyright (c) 2015 Los Alamos National Security, LLC. All rights
14 * reserved.
15 * Copyright (c) 2015 Research Organization for Information Science
16 * and Technology (RIST). All rights reserved.
17 * $COPYRIGHT$
18 *
19 * Additional copyrights may follow
20 *
21 * $HEADER$
22 */
23 #include "ompi_config.h"
24 #include <stdio.h>
25
26 #include "ompi/mpi/c/bindings.h"
27 #include "ompi/runtime/params.h"
28 #include "ompi/communicator/communicator.h"
29 #include "ompi/errhandler/errhandler.h"
30 #include "ompi/attribute/attribute.h"
31 #include "ompi/win/win.h"
32
33 #if OMPI_BUILD_MPI_PROFILING
34 #if OPAL_HAVE_WEAK_SYMBOLS
35 #pragma weak MPI_Win_get_attr = PMPI_Win_get_attr
36 #endif
37 #define MPI_Win_get_attr PMPI_Win_get_attr
38 #endif
39
40 static const char FUNC_NAME[] = "MPI_Win_get_attr";
41
42
43 int MPI_Win_get_attr(MPI_Win win, int win_keyval,
44 void *attribute_val, int *flag)
45 {
46 int ret;
47
48 if (MPI_PARAM_CHECK) {
49 OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
50
51 if (ompi_win_invalid(win)) {
52 return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_WIN, FUNC_NAME);
53 } else if ((NULL == attribute_val) || (NULL == flag)) {
54 return OMPI_ERRHANDLER_INVOKE(win, MPI_ERR_ARG, FUNC_NAME);
55 } else if (MPI_KEYVAL_INVALID == win_keyval) {
56 return OMPI_ERRHANDLER_INVOKE(win, MPI_ERR_KEYVAL, FUNC_NAME);
57 }
58 }
59
60 OPAL_CR_ENTER_LIBRARY();
61
62 /* This stuff is very confusing. Be sure to see
63 src/attribute/attribute.c for a lengthy comment explaining Open
64 MPI attribute behavior. */
65
66 ret = ompi_attr_get_c(win->w_keyhash, win_keyval,
67 (void**)attribute_val, flag);
68
69 OMPI_ERRHANDLER_RETURN(ret, win, MPI_ERR_OTHER, FUNC_NAME);
70 }