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 
MPI_Win_get_attr(MPI_Win win,int win_keyval,void * attribute_val,int * flag)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 }
71