lib: Add functions to borrow specialized component classes from specialized components
[babeltrace.git] / include / babeltrace / plugin / plugin-so-internal.h
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1#ifndef BABELTRACE_PLUGIN_PLUGIN_SO_INTERNAL_H
2#define BABELTRACE_PLUGIN_PLUGIN_SO_INTERNAL_H
3
4/*
e2f7325d 5 * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
55bb57e0 6 * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
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7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a copy
9 * of this software and associated documentation files (the "Software"), to deal
10 * in the Software without restriction, including without limitation the rights
11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12 * copies of the Software, and to permit persons to whom the Software is
13 * furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 * SOFTWARE.
25 */
26
27#include <glib.h>
28#include <gmodule.h>
c55a9f58 29#include <babeltrace/types.h>
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30
31struct bt_plugin;
32struct bt_component_class;
33
34struct bt_plugin_so_shared_lib_handle {
35 struct bt_object base;
36 GString *path;
37 GModule *module;
38
39 /* True if initialization function was called */
c55a9f58 40 bt_bool init_called;
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41 bt_plugin_exit_func exit;
42};
43
44struct bt_plugin_so_spec_data {
45 /* Shared lib. handle: owned by this */
46 struct bt_plugin_so_shared_lib_handle *shared_lib_handle;
47
48 /* Pointers to plugin's memory: do NOT free */
49 const struct __bt_plugin_descriptor *descriptor;
50 bt_plugin_init_func init;
51 const struct __bt_plugin_descriptor_version *version;
52};
53
54BT_HIDDEN
a8ff38ef 55struct bt_plugin_set *bt_plugin_so_create_all_from_file(const char *path);
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56
57BT_HIDDEN
a8ff38ef 58struct bt_plugin_set *bt_plugin_so_create_all_from_static(void);
55bb57e0 59
3230ee6b 60void bt_plugin_so_on_add_component_class(struct bt_plugin *plugin,
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61 struct bt_component_class *comp_class);
62
55bb57e0 63#endif /* BABELTRACE_PLUGIN_PLUGIN_SO_INTERNAL_H */
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