1 /* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
2 /*
3 * Copyright (c) 2004-2008 The Trustees of Indiana University and Indiana
4 * University Research and Technology
5 * Corporation. All rights reserved.
6 * Copyright (c) 2004-2005 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) 2015-2017 Los Alamos National Security, LLC. All rights
14 * reserved.
15 * Copyright (c) 2017 Intel, Inc. All rights reserved.
16 * Copyright (c) 2017 Research Organization for Information Science
17 * and Technology (RIST). All rights reserved.
18 * $COPYRIGHT$
19 *
20 * Additional copyrights may follow
21 *
22 * $HEADER$
23 *
24 * These symbols are in a file by themselves to provide nice linker
25 * semantics. Since linkers generally pull in symbols by object
26 * files, keeping these symbols as the only symbols in this file
27 * prevents utility programs such as "ompi_info" from having to import
28 * entire components just to query their version and parameters.
29 */
30
31 #include "opal/util/argv.h"
32
33 #include "orte_config.h"
34 #include "orte/constants.h"
35
36 #include "orte/util/proc_info.h"
37 #include "orte/util/show_help.h"
38
39 #include "orte/mca/ess/ess.h"
40 #include "orte/mca/ess/hnp/ess_hnp.h"
41 #include "orte/runtime/orte_globals.h"
42
43 extern orte_ess_base_module_t orte_ess_hnp_module;
44 static int hnp_component_open(void);
45 static int hnp_component_close(void);
46 static int hnp_component_query(mca_base_module_t **module, int *priority);
47
48 /*
49 * Instantiate the public struct with all of our public information
50 * and pointers to our public functions in it
51 */
52 orte_ess_base_component_t mca_ess_hnp_component = {
53 .base_version = {
54 ORTE_ESS_BASE_VERSION_3_0_0,
55
56 /* Component name and version */
57 .mca_component_name = "hnp",
58 MCA_BASE_MAKE_VERSION(component, ORTE_MAJOR_VERSION, ORTE_MINOR_VERSION,
59 ORTE_RELEASE_VERSION),
60
61 /* Component open and close functions */
62 .mca_open_component = hnp_component_open,
63 .mca_close_component = hnp_component_close,
64 .mca_query_component = hnp_component_query
65 },
66 .base_data = {
67 /* The component is checkpoint ready */
68 MCA_BASE_METADATA_PARAM_CHECKPOINT
69 }
70 };
71
72 static int hnp_component_open(void)
73 {
74
75 return ORTE_SUCCESS;
76 }
77
78
79 static int hnp_component_query(mca_base_module_t **module, int *priority)
80 {
81
82 /* we are the hnp module - we need to be selected
83 * IFF we are designated as the hnp
84 */
85 if (ORTE_PROC_IS_HNP) {
86 *priority = 100;
87 *module = (mca_base_module_t *)&orte_ess_hnp_module;
88 return ORTE_SUCCESS;
89 }
90
91 /* else, we are not */
92 *priority = -1;
93 *module = NULL;
94 return ORTE_ERROR;
95 }
96
97
98 static int hnp_component_close(void)
99 {
100 return ORTE_SUCCESS;
101 }