include/babeltrace2/plugin/plugin-so-internal.h

   1 #ifndef BABELTRACE_PLUGIN_PLUGIN_SO_INTERNAL_H
   2 #define BABELTRACE_PLUGIN_PLUGIN_SO_INTERNAL_H
   3
   4 /*
   5  * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
   6  * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   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>
  29 #include <babeltrace2/types.h>
  30
  31 struct bt_plugin;
  32 struct bt_component_class;
  33
  34 struct 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 */
  40         bt_bool init_called;
  41         bt_plugin_exit_func exit;
  42 };
  43
  44 struct 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
  54 BT_HIDDEN
  55 struct bt_plugin_set *bt_plugin_so_create_all_from_file(const char *path);
  56
  57 BT_HIDDEN
  58 struct bt_plugin_set *bt_plugin_so_create_all_from_static(void);
  59
  60 void bt_plugin_so_on_add_component_class(struct bt_plugin *plugin,
  61                 struct bt_component_class *comp_class);
  62
  63 #endif /* BABELTRACE_PLUGIN_PLUGIN_SO_INTERNAL_H */