| 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 | #include "common/macros.h" |
| 16 | |
| 17 | struct bt_plugin; |
| 18 | struct bt_component_class; |
| 19 | |
| 20 | struct bt_plugin_so_shared_lib_handle { |
| 21 | struct bt_object base; |
| 22 | GString *path; |
| 23 | GModule *module; |
| 24 | |
| 25 | /* True if initialization function was called */ |
| 26 | bt_bool init_called; |
| 27 | bt_plugin_finalize_func exit; |
| 28 | }; |
| 29 | |
| 30 | struct bt_plugin_so_spec_data { |
| 31 | /* Shared lib. handle: owned by this */ |
| 32 | struct bt_plugin_so_shared_lib_handle *shared_lib_handle; |
| 33 | |
| 34 | /* Pointers to plugin's memory: do NOT free */ |
| 35 | const struct __bt_plugin_descriptor *descriptor; |
| 36 | bt_plugin_initialize_func init; |
| 37 | const struct __bt_plugin_descriptor_version *version; |
| 38 | }; |
| 39 | |
| 40 | BT_HIDDEN |
| 41 | int bt_plugin_so_create_all_from_file(const char *path, |
| 42 | bool fail_on_load_error, struct bt_plugin_set **plugin_set_out); |
| 43 | |
| 44 | BT_HIDDEN |
| 45 | int bt_plugin_so_create_all_from_static(bool fail_on_load_error, |
| 46 | struct bt_plugin_set **plugin_set_out); |
| 47 | |
| 48 | /* |
| 49 | * This function would normally be BT_HIDDEN, but it is used by the Python |
| 50 | * plugin provider, which is conceptually part of libbabeltrace2, but |
| 51 | * implemented as a separate shared object, for modularity. It is therefore |
| 52 | * exposed, but not part of the public ABI. |
| 53 | */ |
| 54 | void bt_plugin_so_on_add_component_class(struct bt_plugin *plugin, |
| 55 | struct bt_component_class *comp_class); |
| 56 | |
| 57 | #endif /* BABELTRACE_PLUGIN_PLUGIN_SO_INTERNAL_H */ |