plugin-dev.h

#ifndef BABELTRACE2_PLUGIN_PLUGIN_DEV_H
#define BABELTRACE2_PLUGIN_PLUGIN_DEV_H
 
/*
 * Copyright (c) 2010-2019 EfficiOS Inc. and Linux Foundation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
 
#ifndef __BT_IN_BABELTRACE_H
# error "Please include <babeltrace2/babeltrace.h> instead."
#endif
 
#include <stdint.h>
 
#include <babeltrace2/graph/component-class-dev.h>
#include <babeltrace2/graph/message-iterator-class.h>
#include <babeltrace2/types.h>
 
/*
 * _BT_HIDDEN: set the hidden attribute for internal functions
 * On Windows, symbols are local unless explicitly exported,
 * see https://gcc.gnu.org/wiki/Visibility
 */
#if defined(_WIN32) || defined(__CYGWIN__)
#define _BT_HIDDEN
#else
#define _BT_HIDDEN __attribute__((visibility("hidden")))
#endif
 
/*
 * _BT_EXPORT: set the visibility for exported functions.
 */
#if defined(_WIN32) || defined(__CYGWIN__)
#define _BT_EXPORT
#else
#define _BT_EXPORT __attribute__((visibility("default")))
#endif
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define BT_PLUGIN_MODULE() \
    static struct __bt_plugin_descriptor const * const __bt_plugin_descriptor_dummy __BT_PLUGIN_DESCRIPTOR_ATTRS = NULL; \
    _BT_HIDDEN extern struct __bt_plugin_descriptor const *__BT_PLUGIN_DESCRIPTOR_BEGIN_SYMBOL __BT_PLUGIN_DESCRIPTOR_BEGIN_EXTRA; \
    _BT_HIDDEN extern struct __bt_plugin_descriptor const *__BT_PLUGIN_DESCRIPTOR_END_SYMBOL __BT_PLUGIN_DESCRIPTOR_END_EXTRA; \
    \
    static struct __bt_plugin_descriptor_attribute const * const __bt_plugin_descriptor_attribute_dummy __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_ATTRS = NULL; \
    _BT_HIDDEN extern struct __bt_plugin_descriptor_attribute const *__BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA; \
    _BT_HIDDEN extern struct __bt_plugin_descriptor_attribute const *__BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_SYMBOL __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_EXTRA; \
    \
    static struct __bt_plugin_component_class_descriptor const * const __bt_plugin_component_class_descriptor_dummy __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRS = NULL; \
    _BT_HIDDEN extern struct __bt_plugin_component_class_descriptor const *__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_SYMBOL __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_EXTRA; \
    _BT_HIDDEN extern struct __bt_plugin_component_class_descriptor const *__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_SYMBOL __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_EXTRA; \
    \
    static struct __bt_plugin_component_class_descriptor_attribute const * const __bt_plugin_component_class_descriptor_attribute_dummy __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_ATTRS = NULL; \
    _BT_HIDDEN extern struct __bt_plugin_component_class_descriptor_attribute const *__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA; \
    _BT_HIDDEN extern struct __bt_plugin_component_class_descriptor_attribute const *__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_SYMBOL __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_EXTRA; \
    \
    _BT_EXPORT struct __bt_plugin_descriptor const * const *__bt_get_begin_section_plugin_descriptors(void) \
    { \
        return &__BT_PLUGIN_DESCRIPTOR_BEGIN_SYMBOL; \
    } \
    _BT_EXPORT struct __bt_plugin_descriptor const * const *__bt_get_end_section_plugin_descriptors(void) \
    { \
        return &__BT_PLUGIN_DESCRIPTOR_END_SYMBOL; \
    } \
    _BT_EXPORT struct __bt_plugin_descriptor_attribute const * const *__bt_get_begin_section_plugin_descriptor_attributes(void) \
    { \
        return &__BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL; \
    } \
    _BT_EXPORT struct __bt_plugin_descriptor_attribute const * const *__bt_get_end_section_plugin_descriptor_attributes(void) \
    { \
        return &__BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_SYMBOL; \
    } \
    _BT_EXPORT struct __bt_plugin_component_class_descriptor const * const *__bt_get_begin_section_component_class_descriptors(void) \
    { \
        return &__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_SYMBOL; \
    } \
    _BT_EXPORT struct __bt_plugin_component_class_descriptor const * const *__bt_get_end_section_component_class_descriptors(void) \
    { \
        return &__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_SYMBOL; \
    } \
    _BT_EXPORT struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_begin_section_component_class_descriptor_attributes(void) \
    { \
        return &__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL; \
    } \
    _BT_EXPORT struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_end_section_component_class_descriptor_attributes(void) \
    { \
        return &__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_SYMBOL; \
    }
 
#define BT_PLUGIN_WITH_ID(_id, _name)                   \
    struct __bt_plugin_descriptor __bt_plugin_descriptor_##_id = {  \
        .name = _name,                      \
    };                              \
    static struct __bt_plugin_descriptor const * const __bt_plugin_descriptor_##_id##_ptr __BT_PLUGIN_DESCRIPTOR_ATTRS = &__bt_plugin_descriptor_##_id
 
#define BT_PLUGIN(_name)        static BT_PLUGIN_WITH_ID(auto, #_name)
 
#define BT_PLUGIN_DESCRIPTION_WITH_ID(_id, _description) \
    __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(description, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION, _id, _description)
 
#define BT_PLUGIN_DESCRIPTION(_description)     BT_PLUGIN_DESCRIPTION_WITH_ID(auto, _description)
 
 
#define BT_PLUGIN_AUTHOR_WITH_ID(_id, _author) \
    __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(author, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_AUTHOR, _id, _author)
 
#define BT_PLUGIN_AUTHOR(_author)       BT_PLUGIN_AUTHOR_WITH_ID(auto, _author)
 
#define BT_PLUGIN_LICENSE_WITH_ID(_id, _license) \
    __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(license, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_LICENSE, _id, _license)
 
#define BT_PLUGIN_LICENSE(_license)         BT_PLUGIN_LICENSE_WITH_ID(auto, _license)
 
#define BT_PLUGIN_VERSION_WITH_ID(_id, _major, _minor, _patch, _extra) \
    __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(version, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_VERSION, _id, __BT_PLUGIN_VERSION_STRUCT_VALUE(_major, _minor, _patch, _extra))
 
#define BT_PLUGIN_VERSION(_major, _minor, _patch, _extra) BT_PLUGIN_VERSION_WITH_ID(auto, _major, _minor, _patch, _extra)
 
typedef enum bt_plugin_initialize_func_status {
    BT_PLUGIN_INITIALIZE_FUNC_STATUS_OK     = __BT_FUNC_STATUS_OK,
 
    BT_PLUGIN_INITIALIZE_FUNC_STATUS_MEMORY_ERROR   = __BT_FUNC_STATUS_MEMORY_ERROR,
 
    BT_PLUGIN_INITIALIZE_FUNC_STATUS_ERROR      = __BT_FUNC_STATUS_ERROR,
} bt_plugin_initialize_func_status;
 
typedef bt_plugin_initialize_func_status (*bt_plugin_initialize_func)(
        bt_self_plugin *self_plugin);
 
#define BT_PLUGIN_INITIALIZE_FUNC_WITH_ID(_id, _func) \
    __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(init, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_INIT, _id, _func)
 
#define BT_PLUGIN_INITIALIZE_FUNC(_func)    BT_PLUGIN_INITIALIZE_FUNC_WITH_ID(auto, _func)
 
typedef void (*bt_plugin_finalize_func)(void);
 
#define BT_PLUGIN_FINALIZE_FUNC_WITH_ID(_id, _func) \
    __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(exit, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_EXIT, _id, _func)
 
#define BT_PLUGIN_FINALIZE_FUNC(_func)  BT_PLUGIN_FINALIZE_FUNC_WITH_ID(auto, _func)
 
#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_WITH_ID(_plugin_id, _component_class_id, _name, _message_iterator_class_next_method) \
    static struct __bt_plugin_component_class_descriptor __bt_plugin_source_component_class_descriptor_##_plugin_id##_##_component_class_id = { \
        .plugin_descriptor = &__bt_plugin_descriptor_##_plugin_id,      \
        .name = _name,                              \
        .type = BT_COMPONENT_CLASS_TYPE_SOURCE,                 \
        .methods = { .source = { .msg_iter_next = _message_iterator_class_next_method } },  \
    };                                      \
    static struct __bt_plugin_component_class_descriptor const * const __bt_plugin_source_component_class_descriptor_##_plugin_id##_##_component_class_id##_ptr __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRS = &__bt_plugin_source_component_class_descriptor_##_plugin_id##_##_component_class_id
 
#define BT_PLUGIN_SOURCE_COMPONENT_CLASS(_name, _message_iterator_class_next_method) \
    BT_PLUGIN_SOURCE_COMPONENT_CLASS_WITH_ID(auto, _name, #_name, _message_iterator_class_next_method)
 
#define BT_PLUGIN_FILTER_COMPONENT_CLASS_WITH_ID(_plugin_id, _component_class_id, _name, _message_iterator_class_next_method) \
    static struct __bt_plugin_component_class_descriptor __bt_plugin_filter_component_class_descriptor_##_plugin_id##_##_component_class_id = { \
        .plugin_descriptor = &__bt_plugin_descriptor_##_plugin_id,      \
        .name = _name,                              \
        .type = BT_COMPONENT_CLASS_TYPE_FILTER,                 \
        .methods = { .filter = { .msg_iter_next = _message_iterator_class_next_method } },  \
    };                                      \
    static struct __bt_plugin_component_class_descriptor const * const __bt_plugin_filter_component_class_descriptor_##_plugin_id##_##_component_class_id##_ptr __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRS = &__bt_plugin_filter_component_class_descriptor_##_plugin_id##_##_component_class_id
 
#define BT_PLUGIN_FILTER_COMPONENT_CLASS(_name, _message_iterator_class_next_method) \
    BT_PLUGIN_FILTER_COMPONENT_CLASS_WITH_ID(auto, _name, #_name, _message_iterator_class_next_method)
 
#define BT_PLUGIN_SINK_COMPONENT_CLASS_WITH_ID(_plugin_id, _component_class_id, _name, _consume_method) \
    static struct __bt_plugin_component_class_descriptor __bt_plugin_sink_component_class_descriptor_##_plugin_id##_##_component_class_id = { \
        .plugin_descriptor = &__bt_plugin_descriptor_##_plugin_id, \
        .name = _name,                      \
        .type = BT_COMPONENT_CLASS_TYPE_SINK,           \
        .methods = { .sink = { .consume = _consume_method } },  \
    };                              \
    static struct __bt_plugin_component_class_descriptor const * const __bt_plugin_sink_component_class_descriptor_##_plugin_id##_##_component_class_id##_ptr __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRS = &__bt_plugin_sink_component_class_descriptor_##_plugin_id##_##_component_class_id
 
#define BT_PLUGIN_SINK_COMPONENT_CLASS(_name, _consume_method) \
    BT_PLUGIN_SINK_COMPONENT_CLASS_WITH_ID(auto, _name, #_name, _consume_method)
 
#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_DESCRIPTION_WITH_ID(_plugin_id, _component_class_id, _description) \
    __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(description, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION, _plugin_id, _component_class_id, source, _description)
 
#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_DESCRIPTION(_name, _description) \
    BT_PLUGIN_SOURCE_COMPONENT_CLASS_DESCRIPTION_WITH_ID(auto, _name, _description)
 
#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_HELP_WITH_ID(_plugin_id, _component_class_id, _help_text) \
    __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(help, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_HELP, _plugin_id, _component_class_id, source, _help_text)
 
#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_HELP(_name, _help_text) \
    BT_PLUGIN_SOURCE_COMPONENT_CLASS_HELP_WITH_ID(auto, _name, _help_text)
 
#define BT_PLUGIN_FILTER_COMPONENT_CLASS_DESCRIPTION_WITH_ID(_plugin_id, _component_class_id, _description) \
    __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(description, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION, _plugin_id, _component_class_id, filter, _description)
 
#define BT_PLUGIN_FILTER_COMPONENT_CLASS_DESCRIPTION(_name, _description) \
    BT_PLUGIN_FILTER_COMPONENT_CLASS_DESCRIPTION_WITH_ID(auto, _name, _description)
 
#define BT_PLUGIN_FILTER_COMPONENT_CLASS_HELP_WITH_ID(_plugin_id, _component_class_id, _help_text) \
    __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(help, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_HELP, _plugin_id, _component_class_id, filter, _help_text)
 
#define BT_PLUGIN_FILTER_COMPONENT_CLASS_HELP(_name, _help_text) \
    BT_PLUGIN_FILTER_COMPONENT_CLASS_HELP_WITH_ID(auto, _name, _help_text)
 
#define BT_PLUGIN_SINK_COMPONENT_CLASS_DESCRIPTION_WITH_ID(_plugin_id, _component_class_id, _description) \
    __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(description, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION, _plugin_id, _component_class_id, sink, _description)
 
#define BT_PLUGIN_SINK_COMPONENT_CLASS_DESCRIPTION(_name, _description) \
    BT_PLUGIN_SINK_COMPONENT_CLASS_DESCRIPTION_WITH_ID(auto, _name, _description)
 
#define BT_PLUGIN_SINK_COMPONENT_CLASS_HELP_WITH_ID(_plugin_id, _component_class_id, _help_text) \
    __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(help, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_HELP, _plugin_id, _component_class_id, sink, _help_text)
 
#define BT_PLUGIN_SINK_COMPONENT_CLASS_HELP(_name, _help_text) \
    BT_PLUGIN_SINK_COMPONENT_CLASS_HELP_WITH_ID(auto, _name, _help_text)
 
#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(_plugin_id, _component_class_id, _method) \
    __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_finalize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_FINALIZE_METHOD, _plugin_id, _component_class_id, source, _method)
 
#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_FINALIZE_METHOD(_name, _method) \
    BT_PLUGIN_SOURCE_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(auto, _name, _method)
 
#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_GET_SUPPORTED_MIP_VERSIONS_METHOD_WITH_ID(_plugin_id, _component_class_id, _method) \
    __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_get_supported_mip_versions_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_GET_SUPPORTED_MIP_VERSIONS_METHOD, _plugin_id, _component_class_id, source, _method)
 
#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_GET_SUPPORTED_MIP_VERSIONS_METHOD(_name, _method) \
    BT_PLUGIN_SOURCE_COMPONENT_CLASS_GET_SUPPORTED_MIP_VERSIONS_METHOD_WITH_ID(auto, _name, _method)
 
#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_INITIALIZE_METHOD_WITH_ID(_plugin_id, _component_class_id, _method) \
    __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_initialize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INITIALIZE_METHOD, _plugin_id, _component_class_id, source, _method)
 
#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_INITIALIZE_METHOD(_name, _method) \
    BT_PLUGIN_SOURCE_COMPONENT_CLASS_INITIALIZE_METHOD_WITH_ID(auto, _name, _method)
 
#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CLASS_FINALIZE_METHOD_WITH_ID(_plugin_id, _component_class_id, _method) \
    __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(msg_iter_finalize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_FINALIZE_METHOD, _plugin_id, _component_class_id, source, _method)
 
#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CLASS_FINALIZE_METHOD(_name, _method) \
    BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CLASS_FINALIZE_METHOD_WITH_ID(auto, _name, _method)
 
#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_WITH_ID(_plugin_id, _component_class_id, _method) \
    __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(msg_iter_initialize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_INITIALIZE_METHOD, _plugin_id, _component_class_id, source, _method)
 
#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD(_name, _method) \
    BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_WITH_ID(auto, _name, _method)
 
#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CLASS_SEEK_BEGINNING_METHODS_WITH_ID(_plugin_id, _component_class_id, _seek_method, _can_seek_method) \
    __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(msg_iter_seek_beginning_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_BEGINNING_METHOD, _plugin_id, _component_class_id, source, _seek_method); \
    __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(msg_iter_can_seek_beginning_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_BEGINNING_METHOD, _plugin_id, _component_class_id, source, _can_seek_method)
 
#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CLASS_SEEK_BEGINNING_METHODS(_name, _seek_method, _can_seek_method) \
    BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CLASS_SEEK_BEGINNING_METHODS_WITH_ID(auto, _name, _seek_method, _can_seek_method)
 
#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CLASS_SEEK_NS_FROM_ORIGIN_METHODS_WITH_ID(_plugin_id, _component_class_id, _seek_method, _can_seek_method) \
    __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(msg_iter_seek_ns_from_origin_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_NS_FROM_ORIGIN_METHOD, _plugin_id, _component_class_id, source, _seek_method); \
    __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(msg_iter_can_seek_ns_from_origin_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_NS_FROM_ORIGIN_METHOD, _plugin_id, _component_class_id, source, _can_seek_method)
 
#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CLASS_SEEK_NS_FROM_ORIGIN_METHODS(_name, _seek_method, _can_seek_method) \
    BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CLASS_SEEK_NS_FROM_ORIGIN_METHODS_WITH_ID(auto, _name, _seek_method, _can_seek_method)
 
#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD_WITH_ID(_plugin_id, _component_class_id, _method) \
    __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_output_port_connected_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_OUTPUT_PORT_CONNECTED_METHOD, _plugin_id, _component_class_id, source, _method)
 
#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD(_name, _method) \
    BT_PLUGIN_SOURCE_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD_WITH_ID(auto, _name, _method)
 
#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(_plugin_id, _component_class_id, _method) \
    __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_query_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_QUERY_METHOD, _plugin_id, _component_class_id, source, _method)
 
#define BT_PLUGIN_SOURCE_COMPONENT_CLASS_QUERY_METHOD(_name, _method) \
    BT_PLUGIN_SOURCE_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(auto, _name, _method)
 
#define BT_PLUGIN_FILTER_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(_plugin_id, _component_class_id, _method) \
    __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_finalize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_FINALIZE_METHOD, _plugin_id, _component_class_id, filter, _method)
 
#define BT_PLUGIN_FILTER_COMPONENT_CLASS_FINALIZE_METHOD(_name, _method) \
    BT_PLUGIN_FILTER_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(auto, _name, _method)
 
#define BT_PLUGIN_FILTER_COMPONENT_CLASS_GET_SUPPORTED_MIP_VERSIONS_METHOD_WITH_ID(_plugin_id, _component_class_id, _method) \
    __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_get_supported_mip_versions_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_GET_SUPPORTED_MIP_VERSIONS_METHOD, _plugin_id, _component_class_id, filter, _method)
 
#define BT_PLUGIN_FILTER_COMPONENT_CLASS_GET_SUPPORTED_MIP_VERSIONS_METHOD(_name, _method) \
    BT_PLUGIN_FILTER_COMPONENT_CLASS_GET_SUPPORTED_MIP_VERSIONS_METHOD_WITH_ID(auto, _name, _method)
 
#define BT_PLUGIN_FILTER_COMPONENT_CLASS_INITIALIZE_METHOD_WITH_ID(_plugin_id, _component_class_id, _method) \
    __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_initialize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INITIALIZE_METHOD, _plugin_id, _component_class_id, filter, _method)
 
#define BT_PLUGIN_FILTER_COMPONENT_CLASS_INITIALIZE_METHOD(_name, _method) \
    BT_PLUGIN_FILTER_COMPONENT_CLASS_INITIALIZE_METHOD_WITH_ID(auto, _name, _method)
 
#define BT_PLUGIN_FILTER_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD_WITH_ID(_plugin_id, _component_class_id, _method) \
    __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_input_port_connected_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INPUT_PORT_CONNECTED_METHOD, _plugin_id, _component_class_id, filter, _method)
 
#define BT_PLUGIN_FILTER_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD(_name, _method) \
    BT_PLUGIN_FILTER_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD_WITH_ID(auto, _name, _method)
 
#define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CLASS_FINALIZE_METHOD_WITH_ID(_plugin_id, _component_class_id, _method) \
    __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(msg_iter_finalize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_FINALIZE_METHOD, _plugin_id, _component_class_id, filter, _method)
 
#define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CLASS_FINALIZE_METHOD(_name, _method) \
    BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CLASS_FINALIZE_METHOD_WITH_ID(auto, _name, _method)
 
#define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_WITH_ID(_plugin_id, _component_class_id, _method) \
    __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(msg_iter_initialize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_INITIALIZE_METHOD, _plugin_id, _component_class_id, filter, _method)
 
#define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD(_name, _method) \
    BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_WITH_ID(auto, _name, _method)
 
#define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CLASS_SEEK_BEGINNING_METHODS_WITH_ID(_plugin_id, _component_class_id, _seek_method, _can_seek_method) \
        __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(msg_iter_seek_beginning_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_BEGINNING_METHOD, _plugin_id, _component_class_id, filter, _seek_method); \
        __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(msg_iter_can_seek_beginning_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_BEGINNING_METHOD, _plugin_id, _component_class_id, filter, _can_seek_method);
 
#define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CLASS_SEEK_BEGINNING_METHODS(_name, _seek_method, _can_seek_method) \
    BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CLASS_SEEK_BEGINNING_METHODS_WITH_ID(auto, _name, _seek_method, _can_seek_method)
 
#define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CLASS_SEEK_NS_FROM_ORIGIN_METHODS_WITH_ID(_plugin_id, _component_class_id, _seek_method, _can_seek_method) \
    __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(msg_iter_seek_ns_from_origin_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_NS_FROM_ORIGIN_METHOD, _plugin_id, _component_class_id, filter, _seek_method); \
    __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(msg_iter_can_seek_ns_from_origin_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_NS_FROM_ORIGIN_METHOD, _plugin_id, _component_class_id, filter, _can_seek_method)
 
#define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CLASS_SEEK_NS_FROM_ORIGIN_METHODS(_name, _seek_method, _can_seek_method) \
    BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CLASS_SEEK_NS_FROM_ORIGIN_METHODS_WITH_ID(auto, _name, _seek_method, _can_seek_method)
 
#define BT_PLUGIN_FILTER_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD_WITH_ID(_plugin_id, _component_class_id, _method) \
    __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_output_port_connected_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_OUTPUT_PORT_CONNECTED_METHOD, _plugin_id, _component_class_id, filter, _method)
 
#define BT_PLUGIN_FILTER_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD(_name, _method) \
    BT_PLUGIN_FILTER_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD_WITH_ID(auto, _name, _method)
 
#define BT_PLUGIN_FILTER_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(_plugin_id, _component_class_id, _method) \
    __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_query_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_QUERY_METHOD, _plugin_id, _component_class_id, filter, _method)
 
#define BT_PLUGIN_FILTER_COMPONENT_CLASS_QUERY_METHOD(_name, _method) \
    BT_PLUGIN_FILTER_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(auto, _name, _method)
 
#define BT_PLUGIN_SINK_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(_plugin_id, _component_class_id, _method) \
    __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(sink_finalize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_FINALIZE_METHOD, _plugin_id, _component_class_id, sink, _method)
 
#define BT_PLUGIN_SINK_COMPONENT_CLASS_FINALIZE_METHOD(_name, _method) \
    BT_PLUGIN_SINK_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(auto, _name, _method)
 
#define BT_PLUGIN_SINK_COMPONENT_CLASS_GET_SUPPORTED_MIP_VERSIONS_METHOD_WITH_ID(_plugin_id, _component_class_id, _method) \
    __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(sink_get_supported_mip_versions_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_GET_SUPPORTED_MIP_VERSIONS_METHOD, _plugin_id, _component_class_id, sink, _method)
 
#define BT_PLUGIN_SINK_COMPONENT_CLASS_GET_SUPPORTED_MIP_VERSIONS_METHOD(_name, _method) \
    BT_PLUGIN_SINK_COMPONENT_CLASS_GET_SUPPORTED_MIP_VERSIONS_METHOD_WITH_ID(auto, _name, _method)
 
#define BT_PLUGIN_SINK_COMPONENT_CLASS_GRAPH_IS_CONFIGURED_METHOD_WITH_ID(_plugin_id, _component_class_id, _method) \
    __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(sink_graph_is_configured_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_GRAPH_IS_CONFIGURED_METHOD, _plugin_id, _component_class_id, sink, _method)
 
#define BT_PLUGIN_SINK_COMPONENT_CLASS_GRAPH_IS_CONFIGURED_METHOD(_name, _method) \
    BT_PLUGIN_SINK_COMPONENT_CLASS_GRAPH_IS_CONFIGURED_METHOD_WITH_ID(auto, _name, _method)
 
#define BT_PLUGIN_SINK_COMPONENT_CLASS_INITIALIZE_METHOD_WITH_ID(_plugin_id, _component_class_id, _method) \
    __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(sink_initialize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INITIALIZE_METHOD, _plugin_id, _component_class_id, sink, _method)
 
#define BT_PLUGIN_SINK_COMPONENT_CLASS_INITIALIZE_METHOD(_name, _method) \
    BT_PLUGIN_SINK_COMPONENT_CLASS_INITIALIZE_METHOD_WITH_ID(auto, _name, _method)
 
#define BT_PLUGIN_SINK_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD_WITH_ID(_plugin_id, _component_class_id, _method) \
    __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(sink_input_port_connected_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INPUT_PORT_CONNECTED_METHOD, _plugin_id, _component_class_id, sink, _method)
 
#define BT_PLUGIN_SINK_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD(_name, _method) \
    BT_PLUGIN_SINK_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD_WITH_ID(auto, _name, _method)
 
#define BT_PLUGIN_SINK_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(_plugin_id, _component_class_id, _method) \
    __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(sink_query_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_QUERY_METHOD, _plugin_id, _component_class_id, sink, _method)
 
#define BT_PLUGIN_SINK_COMPONENT_CLASS_QUERY_METHOD(_name, _method) \
    BT_PLUGIN_SINK_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(auto, _name, _method)
 
/* Plugin descriptor: describes a single plugin (internal use) */
struct __bt_plugin_descriptor {
    /* Plugin's name */
    const char *name;
} __attribute__((packed));
 
/* Type of a plugin attribute (internal use) */
enum __bt_plugin_descriptor_attribute_type {
    BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_INIT        = 0,
    BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_EXIT        = 1,
    BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_AUTHOR      = 2,
    BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_LICENSE     = 3,
    BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION     = 4,
    BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_VERSION     = 5,
};
 
/* Plugin (user) version */
struct __bt_plugin_descriptor_version {
    uint32_t major;
    uint32_t minor;
    uint32_t patch;
    const char *extra;
};
 
/* Plugin attribute (internal use) */
struct __bt_plugin_descriptor_attribute {
    /* Plugin descriptor to which to associate this attribute */
    const struct __bt_plugin_descriptor *plugin_descriptor;
 
    /* Name of the attribute's type for debug purposes */
    const char *type_name;
 
    /* Attribute's type */
    enum __bt_plugin_descriptor_attribute_type type;
 
    /* Attribute's value (depends on attribute's type) */
    union {
        /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_INIT */
        bt_plugin_initialize_func init;
 
        /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_EXIT */
        bt_plugin_finalize_func exit;
 
        /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_AUTHOR */
        const char *author;
 
        /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_LICENSE */
        const char *license;
 
        /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION */
        const char *description;
 
        /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_VERSION */
        struct __bt_plugin_descriptor_version version;
    } value;
} __attribute__((packed));
 
/* Component class descriptor (internal use) */
struct __bt_plugin_component_class_descriptor {
    /*
     * Plugin descriptor to which to associate this component
     * class descriptor.
     */
    const struct __bt_plugin_descriptor *plugin_descriptor;
 
    /* Component class name */
    const char *name;
 
    /* Component class type */
    bt_component_class_type type;
 
    /* Mandatory methods (depends on component class type) */
    union {
        /* BT_COMPONENT_CLASS_TYPE_SOURCE */
        struct {
            bt_message_iterator_class_next_method msg_iter_next;
        } source;
 
        /* BT_COMPONENT_CLASS_TYPE_FILTER */
        struct {
            bt_message_iterator_class_next_method msg_iter_next;
        } filter;
 
        /* BT_COMPONENT_CLASS_TYPE_SINK */
        struct {
            bt_component_class_sink_consume_method consume;
        } sink;
    } methods;
} __attribute__((packed));
 
/* Type of a component class attribute (internal use) */
enum __bt_plugin_component_class_descriptor_attribute_type {
    BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION                 = 0,
    BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_HELP                    = 1,
    BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_GET_SUPPORTED_MIP_VERSIONS_METHOD       = 2,
    BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INITIALIZE_METHOD                   = 3,
    BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_FINALIZE_METHOD             = 4,
    BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_QUERY_METHOD                = 5,
    BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INPUT_PORT_CONNECTED_METHOD         = 6,
    BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_OUTPUT_PORT_CONNECTED_METHOD        = 7,
    BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_GRAPH_IS_CONFIGURED_METHOD          = 8,
    BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_INITIALIZE_METHOD          = 9,
    BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_FINALIZE_METHOD            = 10,
    BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_NS_FROM_ORIGIN_METHOD     = 11,
    BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_BEGINNING_METHOD      = 12,
    BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_NS_FROM_ORIGIN_METHOD = 13,
    BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_BEGINNING_METHOD      = 14,
};
 
/* Component class attribute (internal use) */
struct __bt_plugin_component_class_descriptor_attribute {
    /*
     * Component class plugin attribute to which to associate this
     * component class attribute.
     */
    const struct __bt_plugin_component_class_descriptor *comp_class_descriptor;
 
    /* Name of the attribute's type for debug purposes */
    const char *type_name;
 
    /* Attribute's type */
    enum __bt_plugin_component_class_descriptor_attribute_type type;
 
    /* Attribute's value (depends on attribute's type) */
    union {
        /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION */
        const char *description;
 
        /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_HELP */
        const char *help;
 
        /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_GET_SUPPORTED_MIP_VERSIONS_METHOD */
        bt_component_class_source_get_supported_mip_versions_method source_get_supported_mip_versions_method;
        bt_component_class_filter_get_supported_mip_versions_method filter_get_supported_mip_versions_method;
        bt_component_class_sink_get_supported_mip_versions_method sink_get_supported_mip_versions_method;
 
        /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INITIALIZE_METHOD */
        bt_component_class_source_initialize_method source_initialize_method;
        bt_component_class_filter_initialize_method filter_initialize_method;
        bt_component_class_sink_initialize_method sink_initialize_method;
 
        /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_FINALIZE_METHOD */
        bt_component_class_source_finalize_method source_finalize_method;
        bt_component_class_filter_finalize_method filter_finalize_method;
        bt_component_class_sink_finalize_method sink_finalize_method;
 
        /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_QUERY_METHOD */
        bt_component_class_source_query_method source_query_method;
        bt_component_class_filter_query_method filter_query_method;
        bt_component_class_sink_query_method sink_query_method;
 
        /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INPUT_PORT_CONNECTED_METHOD */
        bt_component_class_filter_input_port_connected_method filter_input_port_connected_method;
        bt_component_class_sink_input_port_connected_method sink_input_port_connected_method;
 
        /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_OUTPUT_PORT_CONNECTED_METHOD */
        bt_component_class_source_output_port_connected_method source_output_port_connected_method;
        bt_component_class_filter_output_port_connected_method filter_output_port_connected_method;
 
        /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_GRAPH_IS_CONFIGURED_METHOD */
        bt_component_class_sink_graph_is_configured_method sink_graph_is_configured_method;
 
        /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_INITIALIZE_METHOD */
        bt_message_iterator_class_initialize_method msg_iter_initialize_method;
 
        /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_FINALIZE_METHOD */
        bt_message_iterator_class_finalize_method msg_iter_finalize_method;
 
        /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_NS_FROM_ORIGIN_METHOD */
        bt_message_iterator_class_seek_ns_from_origin_method msg_iter_seek_ns_from_origin_method;
 
        /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_BEGINNING_METHOD */
        bt_message_iterator_class_seek_beginning_method msg_iter_seek_beginning_method;
 
        /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_NS_FROM_ORIGIN_METHOD */
        bt_message_iterator_class_can_seek_ns_from_origin_method msg_iter_can_seek_ns_from_origin_method;
 
        /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_BEGINNING_METHOD */
        bt_message_iterator_class_can_seek_beginning_method msg_iter_can_seek_beginning_method;
    } value;
} __attribute__((packed));
 
struct __bt_plugin_descriptor const * const *__bt_get_begin_section_plugin_descriptors(void);
struct __bt_plugin_descriptor const * const *__bt_get_end_section_plugin_descriptors(void);
struct __bt_plugin_descriptor_attribute const * const *__bt_get_begin_section_plugin_descriptor_attributes(void);
struct __bt_plugin_descriptor_attribute const * const *__bt_get_end_section_plugin_descriptor_attributes(void);
struct __bt_plugin_component_class_descriptor const * const *__bt_get_begin_section_component_class_descriptors(void);
struct __bt_plugin_component_class_descriptor const * const *__bt_get_end_section_component_class_descriptors(void);
struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_begin_section_component_class_descriptor_attributes(void);
struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_end_section_component_class_descriptor_attributes(void);
 
/*
 * Defines a plugin attribute (generic, internal use).
 *
 * _attr_name: Name of the attribute (C identifier).
 * _attr_type: Type of the attribute (enum __bt_plugin_descriptor_attribute_type).
 * _id:        Plugin descriptor ID (C identifier).
 * _x:         Value.
 */
#define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(_attr_name, _attr_type, _id, _x) \
    static struct __bt_plugin_descriptor_attribute __bt_plugin_descriptor_attribute_##_id##_##_attr_name = { \
        .plugin_descriptor = &__bt_plugin_descriptor_##_id, \
        .type_name = #_attr_name,               \
        .type = _attr_type,                 \
        .value = { ._attr_name = _x },              \
    };                              \
    static struct __bt_plugin_descriptor_attribute const * const __bt_plugin_descriptor_attribute_##_id##_##_attr_name##_ptr __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_ATTRS = &__bt_plugin_descriptor_attribute_##_id##_##_attr_name
 
#define __BT_PLUGIN_VERSION_STRUCT_VALUE(_major, _minor, _patch, _extra) \
    {.major = _major, .minor = _minor, .patch = _patch, .extra = _extra,}
 
/*
 * Defines a component class descriptor attribute (generic, internal
 * use).
 *
 * _id:            Plugin descriptor ID (C identifier).
 * _component_class_id: Component class ID (C identifier).
 * _type:          Component class type (`source`, `filter`, or `sink`).
 * _attr_name:     Name of the attribute (C identifier).
 * _attr_type:     Type of the attribute
 *                 (enum __bt_plugin_descriptor_attribute_type).
 * _x:             Value.
 */
#define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(_attr_name, _attr_type, _id, _component_class_id, _type, _x) \
    static struct __bt_plugin_component_class_descriptor_attribute __bt_plugin_##_type##_component_class_descriptor_attribute_##_id##_##_component_class_id##_##_attr_name = { \
        .comp_class_descriptor = &__bt_plugin_##_type##_component_class_descriptor_##_id##_##_component_class_id, \
        .type_name = #_attr_name,               \
        .type = _attr_type,                 \
        .value = { ._attr_name = _x },              \
    };                              \
    static struct __bt_plugin_component_class_descriptor_attribute const * const __bt_plugin_##_type##_component_class_descriptor_attribute_##_id##_##_component_class_id##_##_attr_name##_ptr __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_ATTRS = &__bt_plugin_##_type##_component_class_descriptor_attribute_##_id##_##_component_class_id##_##_attr_name
 
/*
 * Clang supports the no_sanitize variable attribute on global variables.
 * GCC only supports the no_sanitize_address function attribute, which is
 * not what we need. This is fine because, as far as we have seen, gcc
 * does not insert red zones around global variables.
 */
#if defined(__clang__)
# if __has_feature(address_sanitizer)
#  define __bt_plugin_variable_attribute_no_sanitize_address \
    __attribute__((no_sanitize("address")))
# else
#  define __bt_plugin_variable_attribute_no_sanitize_address
# endif
#else
#  define __bt_plugin_variable_attribute_no_sanitize_address
#endif
 
/*
 * Variable attributes for a plugin descriptor pointer to be added to
 * the plugin descriptor section (internal use).
 */
#ifdef __APPLE__
#define __BT_PLUGIN_DESCRIPTOR_ATTRS \
    __attribute__((section("__DATA,btp_desc"), used)) \
    __bt_plugin_variable_attribute_no_sanitize_address
 
#define __BT_PLUGIN_DESCRIPTOR_BEGIN_SYMBOL \
    __start___bt_plugin_descriptors
 
#define __BT_PLUGIN_DESCRIPTOR_END_SYMBOL \
    __stop___bt_plugin_descriptors
 
#define __BT_PLUGIN_DESCRIPTOR_BEGIN_EXTRA \
    __asm("section$start$__DATA$btp_desc")
 
#define __BT_PLUGIN_DESCRIPTOR_END_EXTRA \
    __asm("section$end$__DATA$btp_desc")
 
#else
 
#define __BT_PLUGIN_DESCRIPTOR_ATTRS \
    __attribute__((section("__bt_plugin_descriptors"), used)) \
    __bt_plugin_variable_attribute_no_sanitize_address
 
#define __BT_PLUGIN_DESCRIPTOR_BEGIN_SYMBOL \
    __start___bt_plugin_descriptors
 
#define __BT_PLUGIN_DESCRIPTOR_END_SYMBOL \
    __stop___bt_plugin_descriptors
 
#define __BT_PLUGIN_DESCRIPTOR_BEGIN_EXTRA
 
#define __BT_PLUGIN_DESCRIPTOR_END_EXTRA
#endif
 
/*
 * Variable attributes for a plugin attribute pointer to be added to
 * the plugin attribute section (internal use).
 */
#ifdef __APPLE__
#define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_ATTRS \
    __attribute__((section("__DATA,btp_desc_att"), used)) \
    __bt_plugin_variable_attribute_no_sanitize_address
 
#define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL \
    __start___bt_plugin_descriptor_attributes
 
#define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_SYMBOL \
    __stop___bt_plugin_descriptor_attributes
 
#define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA \
    __asm("section$start$__DATA$btp_desc_att")
 
#define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_EXTRA \
    __asm("section$end$__DATA$btp_desc_att")
 
#else
 
#define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_ATTRS \
    __attribute__((section("__bt_plugin_descriptor_attributes"), used)) \
    __bt_plugin_variable_attribute_no_sanitize_address
 
#define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL \
    __start___bt_plugin_descriptor_attributes
 
#define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_SYMBOL \
    __stop___bt_plugin_descriptor_attributes
 
#define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA
 
#define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_EXTRA
#endif
 
/*
 * Variable attributes for a component class descriptor pointer to be
 * added to the component class descriptor section (internal use).
 */
#ifdef __APPLE__
#define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRS \
    __attribute__((section("__DATA,btp_cc_desc"), used)) \
    __bt_plugin_variable_attribute_no_sanitize_address
 
#define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_SYMBOL \
    __start___bt_plugin_component_class_descriptors
 
#define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_SYMBOL \
    __stop___bt_plugin_component_class_descriptors
 
#define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_EXTRA \
    __asm("section$start$__DATA$btp_cc_desc")
 
#define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_EXTRA \
    __asm("section$end$__DATA$btp_cc_desc")
 
#else
 
#define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRS \
    __attribute__((section("__bt_plugin_component_class_descriptors"), used)) \
    __bt_plugin_variable_attribute_no_sanitize_address
 
#define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_SYMBOL \
    __start___bt_plugin_component_class_descriptors
 
#define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_SYMBOL \
    __stop___bt_plugin_component_class_descriptors
 
#define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_EXTRA
 
#define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_EXTRA
#endif
 
/*
 * Variable attributes for a component class descriptor attribute
 * pointer to be added to the component class descriptor attribute
 * section (internal use).
 */
#ifdef __APPLE__
#define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_ATTRS \
    __attribute__((section("__DATA,btp_cc_desc_att"), used)) \
    __bt_plugin_variable_attribute_no_sanitize_address
 
#define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL \
    __start___bt_plugin_component_class_descriptor_attributes
 
#define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_SYMBOL \
    __stop___bt_plugin_component_class_descriptor_attributes
 
#define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA \
    __asm("section$start$__DATA$btp_cc_desc_att")
 
#define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_EXTRA \
    __asm("section$end$__DATA$btp_cc_desc_att")
 
#else
 
#define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_ATTRS \
    __attribute__((section("__bt_plugin_component_class_descriptor_attributes"), used)) \
    __bt_plugin_variable_attribute_no_sanitize_address
 
#define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL \
    __start___bt_plugin_component_class_descriptor_attributes
 
#define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_SYMBOL \
    __stop___bt_plugin_component_class_descriptor_attributes
 
#define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA
 
#define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_EXTRA
#endif
 
#ifdef __cplusplus
}
#endif
 
#endif /* BABELTRACE2_PLUGIN_PLUGIN_DEV_H */