src/lib/plugin/plugin-so.h

   1 /*
   2  * SPDX-License-Identifier: MIT
   3  *
   4  * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
   5  * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   6  */
   7
   8 #ifndef BABELTRACE_PLUGIN_PLUGIN_SO_INTERNAL_H
   9 #define BABELTRACE_PLUGIN_PLUGIN_SO_INTERNAL_H
  10
  11 #include <glib.h>
  12 #include <gmodule.h>
  13 #include <stdbool.h>
  14 #include <babeltrace2/types.h>
  15
  16 struct bt_plugin;
  17 struct bt_component_class;
  18
  19 struct bt_plugin_so_shared_lib_handle {
  20         struct bt_object base;
  21         GString *path;
  22         GModule *module;
  23
  24         /* True if initialization function was called */
  25         bt_bool init_called;
  26         bt_plugin_finalize_func exit;
  27 };
  28
  29 struct bt_plugin_so_spec_data {
  30         /* Shared lib. handle: owned by this */
  31         struct bt_plugin_so_shared_lib_handle *shared_lib_handle;
  32
  33         /* Pointers to plugin's memory: do NOT free */
  34         const struct __bt_plugin_descriptor *descriptor;
  35         bt_plugin_initialize_func init;
  36         const struct __bt_plugin_descriptor_version *version;
  37 };
  38
  39 int bt_plugin_so_create_all_from_file(const char *path,
  40                 bool fail_on_load_error, struct bt_plugin_set **plugin_set_out);
  41
  42 int bt_plugin_so_create_all_from_static(bool fail_on_load_error,
  43                 struct bt_plugin_set **plugin_set_out);
  44
  45 void bt_plugin_so_on_add_component_class(struct bt_plugin *plugin,
  46                 struct bt_component_class *comp_class);
  47
  48 #endif /* BABELTRACE_PLUGIN_PLUGIN_SO_INTERNAL_H */