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) 2004-2013 The University of Tennessee and The University
6 * of Tennessee Research Foundation. All rights
7 * reserved.
8 * Copyright (c) 2004-2008 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) 2007-2012 Cisco Systems, Inc. All rights reserved.
13 * Copyright (c) 2012 Los Alamos Nat Security, LLC. All rights reserved.
14 * Copyright (c) 2012-2013 Inria. All rights 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/mca/topo/topo.h"
31 #include "ompi/memchecker.h"
32
33 #if OMPI_BUILD_MPI_PROFILING
34 #if OPAL_HAVE_WEAK_SYMBOLS
35 #pragma weak MPI_Graph_get = PMPI_Graph_get
36 #endif
37 #define MPI_Graph_get PMPI_Graph_get
38 #endif
39
40 static const char FUNC_NAME[] = "MPI_Graph_get";
41
42
43 int MPI_Graph_get(MPI_Comm comm, int maxindx, int maxedges,
44 int indx[], int edges[])
45 {
46 int err;
47
48 MEMCHECKER(
49 memchecker_comm(comm);
50 );
51
52 /* check the arguments */
53 if (MPI_PARAM_CHECK) {
54 if (ompi_comm_invalid(comm)) {
55 return OMPI_ERRHANDLER_INVOKE (MPI_COMM_WORLD, MPI_ERR_COMM,
56 FUNC_NAME);
57 }
58 if (OMPI_COMM_IS_INTER(comm)) {
59 return OMPI_ERRHANDLER_INVOKE (comm, MPI_ERR_COMM,
60 FUNC_NAME);
61 }
62 if (0 > maxindx || 0 > maxedges || NULL == indx || NULL == edges) {
63 return OMPI_ERRHANDLER_INVOKE (comm, MPI_ERR_ARG,
64 FUNC_NAME);
65 }
66 }
67
68 if (!OMPI_COMM_IS_GRAPH(comm)) {
69 return OMPI_ERRHANDLER_INVOKE (comm, MPI_ERR_TOPOLOGY,
70 FUNC_NAME);
71 }
72 OPAL_CR_ENTER_LIBRARY();
73
74 /* call the function */
75 err = comm->c_topo->topo.graph.graph_get(comm, maxindx, maxedges, indx, edges);
76 OPAL_CR_EXIT_LIBRARY();
77
78 OMPI_ERRHANDLER_RETURN(err, comm, err, FUNC_NAME);
79 }