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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 | ||
33 | static | |
34 | void 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 | ||
47 | BT_HIDDEN | |
48 | struct 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; | |
69 | end: | |
70 | return class; | |
71 | } | |
72 | ||
73 | BT_HIDDEN | |
74 | void 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 | ||
83 | BT_HIDDEN | |
84 | void bt_component_class_put(struct bt_component_class *class) | |
85 | { | |
86 | if (!class) { | |
87 | return; | |
88 | } | |
89 | ||
90 | bt_ref_put(&class->ref); | |
91 | } |