Introduce bt_plugin and bt_component_class
[babeltrace.git] / plugins / plugin.c
CommitLineData
fb2dcc52
JG
1/*
2 * plugin.c
3 *
4 * Babeltrace Plugin
5 *
6 * Copyright 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 *
8 * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
9 *
10 * Permission is hereby granted, free of charge, to any person obtaining a copy
11 * of this software and associated documentation files (the "Software"), to deal
12 * in the Software without restriction, including without limitation the rights
13 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
14 * copies of the Software, and to permit persons to whom the Software is
15 * furnished to do so, subject to the following conditions:
16 *
17 * The above copyright notice and this permission notice shall be included in
18 * all copies or substantial portions of the Software.
19 *
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
23 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
24 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
25 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
26 * SOFTWARE.
27 */
28
29#include <babeltrace/compiler.h>
30#include <babeltrace/plugin/plugin-internal.h>
31#include <glib.h>
32
33static
34void bt_plugin_destroy(struct bt_ref *ref)
35{
36 struct bt_plugin *plugin;
37
38 assert(ref);
39 plugin = container_of(ref, struct bt_plugin, ref);
40 if (plugin->module) {
41 if (!g_module_close(plugin->module)) {
42 printf_error("Module close error: %s",
43 g_module_error());
44
45 }
46 }
47 g_free(plugin);
48}
49
50BT_HIDDEN
51struct bt_plugin *bt_plugin_create(GModule *module)
52{
53 struct bt_plugin *plugin;
54
55 plugin = g_new0(struct bt_plugin, 1);
56 if (!plugin) {
57 goto end;
58 }
59
60 bt_ref_init(&plugin->ref, bt_plugin_destroy);
61end:
62 return plugin;
63}
64
65BT_HIDDEN
66enum bt_component_status bt_plugin_register_component_classes(
67 struct bt_plugin *plugin, struct bt_component_factory *factory)
68{
69 assert(plugin && factory);
70 return plugin->init(factory);
71}
72
73BT_HIDDEN
74void bt_plugin_get(struct bt_plugin *plugin)
75{
76 if (!plugin) {
77 return;
78 }
79
80 bt_ref_get(&plugin->ref);
81}
82
83BT_HIDDEN
84void bt_plugin_put(struct bt_plugin *plugin)
85{
86 if (!plugin) {
87 return;
88 }
89
90 bt_ref_put(&plugin->ref);
91}
This page took 0.026179 seconds and 4 git commands to generate.