Introduce bt_plugin and bt_component_class
[babeltrace.git] / plugins / component-class.c
CommitLineData
fb2dcc52
JG
1/*
2 * component-class.c
3 *
4 * Babeltrace Plugin Component Class
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/component-class-internal.h>
31#include <glib.h>
32
33static
34void bt_component_class_destroy(struct bt_ref *ref)
35{
36 struct bt_component_class *class;
37
38 assert(ref);
39 class = container_of(ref, struct bt_component_class, ref);
40 if (class->name) {
41 g_string_free(class->name, TRUE);
42 }
43 bt_plugin_put(class->plugin);
44 g_free(class);
45}
46
47BT_HIDDEN
48struct bt_component_class *bt_component_class_create(
49 enum bt_component_type type, const char *name,
50 struct bt_plugin *plugin)
51{
52 struct bt_component_class *class;
53
54 class = g_new0(struct bt_component_class, 1);
55 if (!class) {
56 goto end;
57 }
58
59 bt_ref_init(&class->ref, bt_component_class_destroy);
60 class->type = type;
61 class->name = g_string_new(name);
62 if (!class->name) {
63 bt_component_class_put(class);
64 class = NULL;
65 goto end;
66 }
67 bt_plugin_get(plugin);
68 class->plugin = plugin;
69end:
70 return class;
71}
72
73BT_HIDDEN
74void bt_component_class_get(struct bt_component_class *class)
75{
76 if (!class) {
77 return;
78 }
79
80 bt_ref_get(&class->ref);
81}
82
83BT_HIDDEN
84void bt_component_class_put(struct bt_component_class *class)
85{
86 if (!class) {
87 return;
88 }
89
90 bt_ref_put(&class->ref);
91}
This page took 0.025228 seconds and 4 git commands to generate.