include/babeltrace2/plugin/plugin-dev.h

   1 #ifndef BABELTRACE2_PLUGIN_PLUGIN_DEV_H
   2 #define BABELTRACE2_PLUGIN_PLUGIN_DEV_H
   3
   4 /*
   5  * Copyright (c) 2010-2019 EfficiOS Inc. and Linux Foundation
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a copy
   8  * of this software and associated documentation files (the "Software"), to deal
   9  * in the Software without restriction, including without limitation the rights
  10  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11  * copies of the Software, and to permit persons to whom the Software is
  12  * furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included in
  15  * all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  20  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23  * SOFTWARE.
  24  */
  25
  26 #ifndef __BT_IN_BABELTRACE_H
  27 # error "Please include <babeltrace2/babeltrace.h> instead."
  28 #endif
  29
  30 #include <stdint.h>
  31
  32 #include <babeltrace2/graph/component-class-const.h>
  33 #include <babeltrace2/graph/component-class-source.h>
  34 #include <babeltrace2/graph/component-class-filter.h>
  35 #include <babeltrace2/graph/component-class-sink.h>
  36 #include <babeltrace2/types.h>
  37
  38 /*
  39  * _BT_HIDDEN: set the hidden attribute for internal functions
  40  * On Windows, symbols are local unless explicitly exported,
  41  * see https://gcc.gnu.org/wiki/Visibility
  42  */
  43 #if defined(_WIN32) || defined(__CYGWIN__)
  44 #define _BT_HIDDEN
  45 #else
  46 #define _BT_HIDDEN __attribute__((visibility("hidden")))
  47 #endif
  48
  49 #ifdef __cplusplus
  50 extern "C" {
  51 #endif
  52
  53 /*
  54  * Plugin interface's version, not synced with Babeltrace's version
  55  * (internal use).
  56  */
  57 #define __BT_PLUGIN_VERSION_MAJOR       1
  58 #define __BT_PLUGIN_VERSION_MINOR       0
  59
  60 /* Plugin initialization function type */
  61 typedef enum bt_plugin_init_func_status {
  62         BT_PLUGIN_INIT_FUNC_STATUS_OK           = __BT_FUNC_STATUS_OK,
  63         BT_PLUGIN_INIT_FUNC_STATUS_MEMORY_ERROR = __BT_FUNC_STATUS_MEMORY_ERROR,
  64         BT_PLUGIN_INIT_FUNC_STATUS_ERROR        = __BT_FUNC_STATUS_ERROR,
  65 } bt_plugin_init_func_status;
  66
  67 typedef bt_plugin_init_func_status (*bt_plugin_init_func)(
  68                 bt_self_plugin *plugin);
  69
  70 /* Plugin exit function type */
  71 typedef void (*bt_plugin_exit_func)(void);
  72
  73 /* Plugin descriptor: describes a single plugin (internal use) */
  74 struct __bt_plugin_descriptor {
  75         /* Plugin's interface major version number */
  76         uint32_t major;
  77
  78         /* Plugin's interface minor version number */
  79         uint32_t minor;
  80
  81         /* Plugin's name */
  82         const char *name;
  83 } __attribute__((packed));
  84
  85 /* Type of a plugin attribute (internal use) */
  86 enum __bt_plugin_descriptor_attribute_type {
  87         BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_INIT                = 0,
  88         BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_EXIT                = 1,
  89         BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_AUTHOR              = 2,
  90         BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_LICENSE             = 3,
  91         BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION         = 4,
  92         BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_VERSION             = 5,
  93 };
  94
  95 /* Plugin (user) version */
  96 struct __bt_plugin_descriptor_version {
  97         uint32_t major;
  98         uint32_t minor;
  99         uint32_t patch;
 100         const char *extra;
 101 };
 102
 103 /* Plugin attribute (internal use) */
 104 struct __bt_plugin_descriptor_attribute {
 105         /* Plugin descriptor to which to associate this attribute */
 106         const struct __bt_plugin_descriptor *plugin_descriptor;
 107
 108         /* Name of the attribute's type for debug purposes */
 109         const char *type_name;
 110
 111         /* Attribute's type */
 112         enum __bt_plugin_descriptor_attribute_type type;
 113
 114         /* Attribute's value (depends on attribute's type) */
 115         union {
 116                 /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_INIT */
 117                 bt_plugin_init_func init;
 118
 119                 /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_EXIT */
 120                 bt_plugin_exit_func exit;
 121
 122                 /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_AUTHOR */
 123                 const char *author;
 124
 125                 /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_LICENSE */
 126                 const char *license;
 127
 128                 /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION */
 129                 const char *description;
 130
 131                 /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_VERSION */
 132                 struct __bt_plugin_descriptor_version version;
 133         } value;
 134 } __attribute__((packed));
 135
 136 /* Component class descriptor (internal use) */
 137 struct __bt_plugin_component_class_descriptor {
 138         /*
 139          * Plugin descriptor to which to associate this component
 140          * class descriptor.
 141          */
 142         const struct __bt_plugin_descriptor *plugin_descriptor;
 143
 144         /* Component class name */
 145         const char *name;
 146
 147         /* Component class type */
 148         bt_component_class_type type;
 149
 150         /* Mandatory methods (depends on component class type) */
 151         union {
 152                 /* BT_COMPONENT_CLASS_TYPE_SOURCE */
 153                 struct {
 154                         bt_component_class_source_message_iterator_next_method msg_iter_next;
 155                 } source;
 156
 157                 /* BT_COMPONENT_CLASS_TYPE_FILTER */
 158                 struct {
 159                         bt_component_class_filter_message_iterator_next_method msg_iter_next;
 160                 } filter;
 161
 162                 /* BT_COMPONENT_CLASS_TYPE_SINK */
 163                 struct {
 164                         bt_component_class_sink_consume_method consume;
 165                 } sink;
 166         } methods;
 167 } __attribute__((packed));
 168
 169 /* Type of a component class attribute (internal use) */
 170 enum __bt_plugin_component_class_descriptor_attribute_type {
 171         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION                                 = 0,
 172         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_HELP                                        = 1,
 173         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_GET_SUPPORTED_MIP_VERSIONS_METHOD           = 2,
 174         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INIT_METHOD                                 = 3,
 175         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_FINALIZE_METHOD                             = 4,
 176         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_QUERY_METHOD                                = 5,
 177         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INPUT_PORT_CONNECTED_METHOD                 = 6,
 178         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_OUTPUT_PORT_CONNECTED_METHOD                = 7,
 179         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_GRAPH_IS_CONFIGURED_METHOD                  = 8,
 180         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_INIT_METHOD                        = 9,
 181         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_FINALIZE_METHOD                    = 10,
 182         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_NS_FROM_ORIGIN_METHOD         = 11,
 183         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_BEGINNING_METHOD              = 12,
 184         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_NS_FROM_ORIGIN_METHOD     = 13,
 185         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_BEGINNING_METHOD          = 14,
 186 };
 187
 188 /* Component class attribute (internal use) */
 189 struct __bt_plugin_component_class_descriptor_attribute {
 190         /*
 191          * Component class plugin attribute to which to associate this
 192          * component class attribute.
 193          */
 194         const struct __bt_plugin_component_class_descriptor *comp_class_descriptor;
 195
 196         /* Name of the attribute's type for debug purposes */
 197         const char *type_name;
 198
 199         /* Attribute's type */
 200         enum __bt_plugin_component_class_descriptor_attribute_type type;
 201
 202         /* Attribute's value (depends on attribute's type) */
 203         union {
 204                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION */
 205                 const char *description;
 206
 207                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_HELP */
 208                 const char *help;
 209
 210                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_GET_SUPPORTED_MIP_VERSIONS_METHOD */
 211                 bt_component_class_source_get_supported_mip_versions_method source_get_supported_mip_versions_method;
 212                 bt_component_class_filter_get_supported_mip_versions_method filter_get_supported_mip_versions_method;
 213                 bt_component_class_sink_get_supported_mip_versions_method sink_get_supported_mip_versions_method;
 214
 215                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INIT_METHOD */
 216                 bt_component_class_source_init_method source_init_method;
 217                 bt_component_class_filter_init_method filter_init_method;
 218                 bt_component_class_sink_init_method sink_init_method;
 219
 220                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_FINALIZE_METHOD */
 221                 bt_component_class_source_finalize_method source_finalize_method;
 222                 bt_component_class_filter_finalize_method filter_finalize_method;
 223                 bt_component_class_sink_finalize_method sink_finalize_method;
 224
 225                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_QUERY_METHOD */
 226                 bt_component_class_source_query_method source_query_method;
 227                 bt_component_class_filter_query_method filter_query_method;
 228                 bt_component_class_sink_query_method sink_query_method;
 229
 230                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INPUT_PORT_CONNECTED_METHOD */
 231                 bt_component_class_filter_input_port_connected_method filter_input_port_connected_method;
 232                 bt_component_class_sink_input_port_connected_method sink_input_port_connected_method;
 233
 234                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_OUTPUT_PORT_CONNECTED_METHOD */
 235                 bt_component_class_source_output_port_connected_method source_output_port_connected_method;
 236                 bt_component_class_filter_output_port_connected_method filter_output_port_connected_method;
 237
 238                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_GRAPH_IS_CONFIGURED_METHOD */
 239                 bt_component_class_sink_graph_is_configured_method sink_graph_is_configured_method;
 240
 241                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_INIT_METHOD */
 242                 bt_component_class_source_message_iterator_init_method source_msg_iter_init_method;
 243                 bt_component_class_filter_message_iterator_init_method filter_msg_iter_init_method;
 244
 245                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_FINALIZE_METHOD */
 246                 bt_component_class_source_message_iterator_finalize_method source_msg_iter_finalize_method;
 247                 bt_component_class_filter_message_iterator_finalize_method filter_msg_iter_finalize_method;
 248
 249                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_NS_FROM_ORIGIN_METHOD */
 250                 bt_component_class_source_message_iterator_seek_ns_from_origin_method source_msg_iter_seek_ns_from_origin_method;
 251                 bt_component_class_filter_message_iterator_seek_ns_from_origin_method filter_msg_iter_seek_ns_from_origin_method;
 252
 253                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_BEGINNING_METHOD */
 254                 bt_component_class_source_message_iterator_seek_beginning_method source_msg_iter_seek_beginning_method;
 255                 bt_component_class_filter_message_iterator_seek_beginning_method filter_msg_iter_seek_beginning_method;
 256
 257                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_NS_FROM_ORIGIN_METHOD */
 258                 bt_component_class_source_message_iterator_can_seek_ns_from_origin_method source_msg_iter_can_seek_ns_from_origin_method;
 259                 bt_component_class_filter_message_iterator_can_seek_ns_from_origin_method filter_msg_iter_can_seek_ns_from_origin_method;
 260
 261                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_BEGINNING_METHOD */
 262                 bt_component_class_source_message_iterator_can_seek_beginning_method source_msg_iter_can_seek_beginning_method;
 263                 bt_component_class_filter_message_iterator_can_seek_beginning_method filter_msg_iter_can_seek_beginning_method;
 264         } value;
 265 } __attribute__((packed));
 266
 267 struct __bt_plugin_descriptor const * const *__bt_get_begin_section_plugin_descriptors(void);
 268 struct __bt_plugin_descriptor const * const *__bt_get_end_section_plugin_descriptors(void);
 269 struct __bt_plugin_descriptor_attribute const * const *__bt_get_begin_section_plugin_descriptor_attributes(void);
 270 struct __bt_plugin_descriptor_attribute const * const *__bt_get_end_section_plugin_descriptor_attributes(void);
 271 struct __bt_plugin_component_class_descriptor const * const *__bt_get_begin_section_component_class_descriptors(void);
 272 struct __bt_plugin_component_class_descriptor const * const *__bt_get_end_section_component_class_descriptors(void);
 273 struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_begin_section_component_class_descriptor_attributes(void);
 274 struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_end_section_component_class_descriptor_attributes(void);
 275
 276 /*
 277  * Variable attributes for a plugin descriptor pointer to be added to
 278  * the plugin descriptor section (internal use).
 279  */
 280 #ifdef __APPLE__
 281 #define __BT_PLUGIN_DESCRIPTOR_ATTRS \
 282         __attribute__((section("__DATA,btp_desc"), used))
 283
 284 #define __BT_PLUGIN_DESCRIPTOR_BEGIN_SYMBOL \
 285         __start___bt_plugin_descriptors
 286
 287 #define __BT_PLUGIN_DESCRIPTOR_END_SYMBOL \
 288         __stop___bt_plugin_descriptors
 289
 290 #define __BT_PLUGIN_DESCRIPTOR_BEGIN_EXTRA \
 291         __asm("section$start$__DATA$btp_desc")
 292
 293 #define __BT_PLUGIN_DESCRIPTOR_END_EXTRA \
 294         __asm("section$end$__DATA$btp_desc")
 295
 296 #else
 297
 298 #define __BT_PLUGIN_DESCRIPTOR_ATTRS \
 299         __attribute__((section("__bt_plugin_descriptors"), used))
 300
 301 #define __BT_PLUGIN_DESCRIPTOR_BEGIN_SYMBOL \
 302         __start___bt_plugin_descriptors
 303
 304 #define __BT_PLUGIN_DESCRIPTOR_END_SYMBOL \
 305         __stop___bt_plugin_descriptors
 306
 307 #define __BT_PLUGIN_DESCRIPTOR_BEGIN_EXTRA
 308
 309 #define __BT_PLUGIN_DESCRIPTOR_END_EXTRA
 310 #endif
 311
 312 /*
 313  * Variable attributes for a plugin attribute pointer to be added to
 314  * the plugin attribute section (internal use).
 315  */
 316 #ifdef __APPLE__
 317 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_ATTRS \
 318         __attribute__((section("__DATA,btp_desc_att"), used))
 319
 320 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL \
 321         __start___bt_plugin_descriptor_attributes
 322
 323 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_SYMBOL \
 324         __stop___bt_plugin_descriptor_attributes
 325
 326 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA \
 327         __asm("section$start$__DATA$btp_desc_att")
 328
 329 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_EXTRA \
 330         __asm("section$end$__DATA$btp_desc_att")
 331
 332 #else
 333
 334 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_ATTRS \
 335         __attribute__((section("__bt_plugin_descriptor_attributes"), used))
 336
 337 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL \
 338         __start___bt_plugin_descriptor_attributes
 339
 340 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_SYMBOL \
 341         __stop___bt_plugin_descriptor_attributes
 342
 343 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA
 344
 345 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_EXTRA
 346 #endif
 347
 348 /*
 349  * Variable attributes for a component class descriptor pointer to be
 350  * added to the component class descriptor section (internal use).
 351  */
 352 #ifdef __APPLE__
 353 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRS \
 354         __attribute__((section("__DATA,btp_cc_desc"), used))
 355
 356 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_SYMBOL \
 357         __start___bt_plugin_component_class_descriptors
 358
 359 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_SYMBOL \
 360         __stop___bt_plugin_component_class_descriptors
 361
 362 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_EXTRA \
 363         __asm("section$start$__DATA$btp_cc_desc")
 364
 365 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_EXTRA \
 366         __asm("section$end$__DATA$btp_cc_desc")
 367
 368 #else
 369
 370 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRS \
 371         __attribute__((section("__bt_plugin_component_class_descriptors"), used))
 372
 373 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_SYMBOL \
 374         __start___bt_plugin_component_class_descriptors
 375
 376 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_SYMBOL \
 377         __stop___bt_plugin_component_class_descriptors
 378
 379 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_EXTRA
 380
 381 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_EXTRA
 382 #endif
 383
 384 /*
 385  * Variable attributes for a component class descriptor attribute
 386  * pointer to be added to the component class descriptor attribute
 387  * section (internal use).
 388  */
 389 #ifdef __APPLE__
 390 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_ATTRS \
 391         __attribute__((section("__DATA,btp_cc_desc_att"), used))
 392
 393 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL \
 394         __start___bt_plugin_component_class_descriptor_attributes
 395
 396 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_SYMBOL \
 397         __stop___bt_plugin_component_class_descriptor_attributes
 398
 399 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA \
 400         __asm("section$start$__DATA$btp_cc_desc_att")
 401
 402 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_EXTRA \
 403         __asm("section$end$__DATA$btp_cc_desc_att")
 404
 405 #else
 406
 407 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_ATTRS \
 408         __attribute__((section("__bt_plugin_component_class_descriptor_attributes"), used))
 409
 410 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL \
 411         __start___bt_plugin_component_class_descriptor_attributes
 412
 413 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_SYMBOL \
 414         __stop___bt_plugin_component_class_descriptor_attributes
 415
 416 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA
 417
 418 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_EXTRA
 419 #endif
 420
 421 /*
 422  * Declares a plugin descriptor pointer variable with a custom ID.
 423  *
 424  * _id: ID (any valid C identifier except `auto`).
 425  */
 426 #define BT_PLUGIN_DECLARE(_id) extern struct __bt_plugin_descriptor __bt_plugin_descriptor_##_id
 427
 428 /*
 429  * Defines a plugin descriptor with a custom ID.
 430  *
 431  * _id:   ID (any valid C identifier except `auto`).
 432  * _name: Plugin's name (C string).
 433  */
 434 #define BT_PLUGIN_WITH_ID(_id, _name)                                   \
 435         struct __bt_plugin_descriptor __bt_plugin_descriptor_##_id = {  \
 436                 .major = __BT_PLUGIN_VERSION_MAJOR,                     \
 437                 .minor = __BT_PLUGIN_VERSION_MINOR,                     \
 438                 .name = _name,                                          \
 439         };                                                              \
 440         static struct __bt_plugin_descriptor const * const __bt_plugin_descriptor_##_id##_ptr __BT_PLUGIN_DESCRIPTOR_ATTRS = &__bt_plugin_descriptor_##_id
 441
 442 /*
 443  * Defines a plugin attribute (generic, internal use).
 444  *
 445  * _attr_name: Name of the attribute (C identifier).
 446  * _attr_type: Type of the attribute (enum __bt_plugin_descriptor_attribute_type).
 447  * _id:        Plugin descriptor ID (C identifier).
 448  * _x:         Value.
 449  */
 450 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(_attr_name, _attr_type, _id, _x) \
 451         static struct __bt_plugin_descriptor_attribute __bt_plugin_descriptor_attribute_##_id##_##_attr_name = { \
 452                 .plugin_descriptor = &__bt_plugin_descriptor_##_id,     \
 453                 .type_name = #_attr_name,                               \
 454                 .type = _attr_type,                                     \
 455                 .value._attr_name = _x,                                 \
 456         };                                                              \
 457         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
 458
 459 /*
 460  * Defines a plugin initialization function attribute attached to a
 461  * specific plugin descriptor.
 462  *
 463  * _id: Plugin descriptor ID (C identifier).
 464  * _x:  Initialization function (bt_plugin_init_func).
 465  */
 466 #define BT_PLUGIN_INIT_WITH_ID(_id, _x) \
 467         __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(init, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_INIT, _id, _x)
 468
 469 /*
 470  * Defines a plugin exit function attribute attached to a specific
 471  * plugin descriptor.
 472  *
 473  * _id: Plugin descriptor ID (C identifier).
 474  * _x:  Exit function (bt_plugin_exit_func).
 475  */
 476 #define BT_PLUGIN_EXIT_WITH_ID(_id, _x) \
 477         __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(exit, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_EXIT, _id, _x)
 478
 479 /*
 480  * Defines an author attribute attached to a specific plugin descriptor.
 481  *
 482  * _id: Plugin descriptor ID (C identifier).
 483  * _x:  Author (C string).
 484  */
 485 #define BT_PLUGIN_AUTHOR_WITH_ID(_id, _x) \
 486         __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(author, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_AUTHOR, _id, _x)
 487
 488 /*
 489  * Defines a license attribute attached to a specific plugin descriptor.
 490  *
 491  * _id: Plugin descriptor ID (C identifier).
 492  * _x:  License (C string).
 493  */
 494 #define BT_PLUGIN_LICENSE_WITH_ID(_id, _x) \
 495         __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(license, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_LICENSE, _id, _x)
 496
 497 /*
 498  * Defines a description attribute attached to a specific plugin
 499  * descriptor.
 500  *
 501  * _id: Plugin descriptor ID (C identifier).
 502  * _x:  Description (C string).
 503  */
 504 #define BT_PLUGIN_DESCRIPTION_WITH_ID(_id, _x) \
 505         __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(description, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION, _id, _x)
 506
 507 #define __BT_PLUGIN_VERSION_STRUCT_VALUE(_major, _minor, _patch, _extra) \
 508         {.major = _major, .minor = _minor, .patch = _patch, .extra = _extra,}
 509
 510 /*
 511  * Defines a version attribute attached to a specific plugin descriptor.
 512  *
 513  * _id:    Plugin descriptor ID (C identifier).
 514  * _major: Plugin's major version (uint32_t).
 515  * _minor: Plugin's minor version (uint32_t).
 516  * _patch: Plugin's patch version (uint32_t).
 517  * _extra: Plugin's version extra information (C string).
 518  */
 519 #define BT_PLUGIN_VERSION_WITH_ID(_id, _major, _minor, _patch, _extra) \
 520         __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(version, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_VERSION, _id, __BT_PLUGIN_VERSION_STRUCT_VALUE(_major, _minor, _patch, _extra))
 521
 522 /*
 523  * Defines a source component class descriptor with a custom ID.
 524  *
 525  * _id:                     ID (any valid C identifier except `auto`).
 526  * _comp_class_id:          Component class ID (C identifier).
 527  * _name:                   Component class name (C string).
 528  * _msg_iter_next_method: Component class's iterator next method
 529  *                          (bt_component_class_source_message_iterator_next_method).
 530  */
 531 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_WITH_ID(_id, _comp_class_id, _name, _msg_iter_next_method) \
 532         static struct __bt_plugin_component_class_descriptor __bt_plugin_source_component_class_descriptor_##_id##_##_comp_class_id = { \
 533                 .plugin_descriptor = &__bt_plugin_descriptor_##_id,     \
 534                 .name = _name,                                          \
 535                 .type = BT_COMPONENT_CLASS_TYPE_SOURCE,                 \
 536                 .methods.source = {                                     \
 537                         .msg_iter_next = _msg_iter_next_method, \
 538                 },                                                      \
 539         };                                                              \
 540         static struct __bt_plugin_component_class_descriptor const * const __bt_plugin_source_component_class_descriptor_##_id##_##_comp_class_id##_ptr __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRS = &__bt_plugin_source_component_class_descriptor_##_id##_##_comp_class_id
 541
 542 /*
 543  * Defines a filter component class descriptor with a custom ID.
 544  *
 545  * _id:                     ID (any valid C identifier except `auto`).
 546  * _comp_class_id:          Component class ID (C identifier).
 547  * _name:                   Component class name (C string).
 548  * _msg_iter_next_method: Component class's iterator next method
 549  *                          (bt_component_class_filter_message_iterator_next_method).
 550  */
 551 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_WITH_ID(_id, _comp_class_id, _name, _msg_iter_next_method) \
 552         static struct __bt_plugin_component_class_descriptor __bt_plugin_filter_component_class_descriptor_##_id##_##_comp_class_id = { \
 553                 .plugin_descriptor = &__bt_plugin_descriptor_##_id,     \
 554                 .name = _name,                                          \
 555                 .type = BT_COMPONENT_CLASS_TYPE_FILTER,                 \
 556                 .methods.filter = {                                     \
 557                         .msg_iter_next = _msg_iter_next_method, \
 558                 },                                                      \
 559         };                                                              \
 560         static struct __bt_plugin_component_class_descriptor const * const __bt_plugin_filter_component_class_descriptor_##_id##_##_comp_class_id##_ptr __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRS = &__bt_plugin_filter_component_class_descriptor_##_id##_##_comp_class_id
 561
 562 /*
 563  * Defines a sink component class descriptor with a custom ID.
 564  *
 565  * _id:                 ID (any valid C identifier except `auto`).
 566  * _comp_class_id:      Component class ID (C identifier).
 567  * _name:               Component class name (C string).
 568  * _consume_method:     Component class's iterator consume method
 569  *                      (bt_component_class_sink_consume_method).
 570  */
 571 #define BT_PLUGIN_SINK_COMPONENT_CLASS_WITH_ID(_id, _comp_class_id, _name, _consume_method) \
 572         static struct __bt_plugin_component_class_descriptor __bt_plugin_sink_component_class_descriptor_##_id##_##_comp_class_id = { \
 573                 .plugin_descriptor = &__bt_plugin_descriptor_##_id,     \
 574                 .name = _name,                                          \
 575                 .type = BT_COMPONENT_CLASS_TYPE_SINK,                   \
 576                 .methods.sink = {                                       \
 577                         .consume = _consume_method,                     \
 578                 },                                                      \
 579         };                                                              \
 580         static struct __bt_plugin_component_class_descriptor const * const __bt_plugin_sink_component_class_descriptor_##_id##_##_comp_class_id##_ptr __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRS = &__bt_plugin_sink_component_class_descriptor_##_id##_##_comp_class_id
 581
 582 /*
 583  * Defines a component class descriptor attribute (generic, internal
 584  * use).
 585  *
 586  * _id:            Plugin descriptor ID (C identifier).
 587  * _comp_class_id: Component class ID (C identifier).
 588  * _type:          Component class type (`source`, `filter`, or `sink`).
 589  * _attr_name:     Name of the attribute (C identifier).
 590  * _attr_type:     Type of the attribute
 591  *                 (enum __bt_plugin_descriptor_attribute_type).
 592  * _x:             Value.
 593  */
 594 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(_attr_name, _attr_type, _id, _comp_class_id, _type, _x) \
 595         static struct __bt_plugin_component_class_descriptor_attribute __bt_plugin_##_type##_component_class_descriptor_attribute_##_id##_##_comp_class_id##_##_attr_name = { \
 596                 .comp_class_descriptor = &__bt_plugin_##_type##_component_class_descriptor_##_id##_##_comp_class_id, \
 597                 .type_name = #_attr_name,                               \
 598                 .type = _attr_type,                                     \
 599                 .value._attr_name = _x,                                 \
 600         };                                                              \
 601         static struct __bt_plugin_component_class_descriptor_attribute const * const __bt_plugin_##_type##_component_class_descriptor_attribute_##_id##_##_comp_class_id##_##_attr_name##_ptr __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_ATTRS = &__bt_plugin_##_type##_component_class_descriptor_attribute_##_id##_##_comp_class_id##_##_attr_name
 602
 603 /*
 604  * Defines a description attribute attached to a specific source
 605  * component class descriptor.
 606  *
 607  * _id:            Plugin descriptor ID (C identifier).
 608  * _comp_class_id: Component class descriptor ID (C identifier).
 609  * _x:             Description (C string).
 610  */
 611 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_DESCRIPTION_WITH_ID(_id, _comp_class_id, _x) \
 612         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(description, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION, _id, _comp_class_id, source, _x)
 613
 614 /*
 615  * Defines a description attribute attached to a specific filter
 616  * component class descriptor.
 617  *
 618  * _id:            Plugin descriptor ID (C identifier).
 619  * _comp_class_id: Component class descriptor ID (C identifier).
 620  * _x:             Description (C string).
 621  */
 622 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_DESCRIPTION_WITH_ID(_id, _comp_class_id, _x) \
 623         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(description, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION, _id, _comp_class_id, filter, _x)
 624
 625 /*
 626  * Defines a description attribute attached to a specific sink
 627  * component class descriptor.
 628  *
 629  * _id:            Plugin descriptor ID (C identifier).
 630  * _comp_class_id: Component class descriptor ID (C identifier).
 631  * _x:             Description (C string).
 632  */
 633 #define BT_PLUGIN_SINK_COMPONENT_CLASS_DESCRIPTION_WITH_ID(_id, _comp_class_id, _x) \
 634         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(description, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION, _id, _comp_class_id, sink, _x)
 635
 636 /*
 637  * Defines a help attribute attached to a specific source component
 638  * class descriptor.
 639  *
 640  * _id:            Plugin descriptor ID (C identifier).
 641  * _comp_class_id: Component class descriptor ID (C identifier).
 642  * _x:             Help (C string).
 643  */
 644 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_HELP_WITH_ID(_id, _comp_class_id, _x) \
 645         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(help, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_HELP, _id, _comp_class_id, source, _x)
 646
 647 /*
 648  * Defines a help attribute attached to a specific filter component
 649  * class descriptor.
 650  *
 651  * _id:            Plugin descriptor ID (C identifier).
 652  * _comp_class_id: Component class descriptor ID (C identifier).
 653  * _x:             Help (C string).
 654  */
 655 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_HELP_WITH_ID(_id, _comp_class_id, _x) \
 656         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(help, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_HELP, _id, _comp_class_id, filter, _x)
 657
 658 /*
 659  * Defines a help attribute attached to a specific sink component class
 660  * descriptor.
 661  *
 662  * _id:            Plugin descriptor ID (C identifier).
 663  * _comp_class_id: Component class descriptor ID (C identifier).
 664  * _x:             Help (C string).
 665  */
 666 #define BT_PLUGIN_SINK_COMPONENT_CLASS_HELP_WITH_ID(_id, _comp_class_id, _x) \
 667         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(help, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_HELP, _id, _comp_class_id, sink, _x)
 668
 669 /*
 670  * Defines an initialization method attribute attached to a specific
 671  * source component class descriptor.
 672  *
 673  * _id:            Plugin descriptor ID (C identifier).
 674  * _comp_class_id: Component class descriptor ID (C identifier).
 675  * _x:             Initialization method (bt_component_class_source_init_method).
 676  */
 677 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_INIT_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 678         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_init_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INIT_METHOD, _id, _comp_class_id, source, _x)
 679
 680 /*
 681  * Defines an initialization method attribute attached to a specific
 682  * filter component class descriptor.
 683  *
 684  * _id:            Plugin descriptor ID (C identifier).
 685  * _comp_class_id: Component class descriptor ID (C identifier).
 686  * _x:             Initialization method (bt_component_class_filter_init_method).
 687  */
 688 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_INIT_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 689         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_init_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INIT_METHOD, _id, _comp_class_id, filter, _x)
 690
 691 /*
 692  * Defines an initialization method attribute attached to a specific
 693  * sink component class descriptor.
 694  *
 695  * _id:            Plugin descriptor ID (C identifier).
 696  * _comp_class_id: Component class descriptor ID (C identifier).
 697  * _x:             Initialization method (bt_component_class_sink_init_method).
 698  */
 699 #define BT_PLUGIN_SINK_COMPONENT_CLASS_INIT_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 700         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(sink_init_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INIT_METHOD, _id, _comp_class_id, sink, _x)
 701
 702 /*
 703  * Defines a "get supported MIP versions" attribute attached to a
 704  * specific source component class descriptor.
 705  *
 706  * _id:            Plugin descriptor ID (C identifier).
 707  * _comp_class_id: Component class descriptor ID (C identifier).
 708  * _x:             "Get supported MIP versions" method (bt_component_class_source_get_supported_mip_versions_method).
 709  */
 710 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_GET_SUPPORTED_MIP_VERSIONS_WITH_ID(_id, _comp_class_id, _x) \
 711         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_get_supported_mip_versions_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_GET_SUPPORTED_MIP_VERSIONS, _id, _comp_class_id, source, _x)
 712
 713 /*
 714  * Defines a "get supported MIP versions" attribute attached to a
 715  * specific filter component class descriptor.
 716  *
 717  * _id:            Plugin descriptor ID (C identifier).
 718  * _comp_class_id: Component class descriptor ID (C identifier).
 719  * _x:             "Get supported MIP versions" method (bt_component_class_filter_get_supported_mip_versions_method).
 720  */
 721 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_GET_SUPPORTED_MIP_VERSIONS_WITH_ID(_id, _comp_class_id, _x) \
 722         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_get_supported_mip_versions_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_GET_SUPPORTED_MIP_VERSIONS, _id, _comp_class_id, filter, _x)
 723
 724 /*
 725  * Defines a "get supported MIP versions" attribute attached to a
 726  * specific sink component class descriptor.
 727  *
 728  * _id:            Plugin descriptor ID (C identifier).
 729  * _comp_class_id: Component class descriptor ID (C identifier).
 730  * _x:             "Get supported MIP versions" method (bt_component_class_sink_get_supported_mip_versions_method).
 731  */
 732 #define BT_PLUGIN_SINK_COMPONENT_CLASS_GET_SUPPORTED_MIP_VERSIONS_WITH_ID(_id, _comp_class_id, _x) \
 733         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(sink_get_supported_mip_versions_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_GET_SUPPORTED_MIP_VERSIONS, _id, _comp_class_id, sink, _x)
 734
 735 /*
 736  * Defines a finalization method attribute attached to a specific source
 737  * component class descriptor.
 738  *
 739  * _id:            Plugin descriptor ID (C identifier).
 740  * _comp_class_id: Component class descriptor ID (C identifier).
 741  * _x:             Finalize method (bt_component_class_source_finalize_method).
 742  */
 743 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 744         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_finalize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_FINALIZE_METHOD, _id, _comp_class_id, source, _x)
 745
 746 /*
 747  * Defines a finalization method attribute attached to a specific filter
 748  * component class descriptor.
 749  *
 750  * _id:            Plugin descriptor ID (C identifier).
 751  * _comp_class_id: Component class descriptor ID (C identifier).
 752  * _x:             Finalize method (bt_component_class_filter_finalize_method).
 753  */
 754 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 755         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_finalize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_FINALIZE_METHOD, _id, _comp_class_id, filter, _x)
 756
 757 /*
 758  * Defines a finalization method attribute attached to a specific sink
 759  * component class descriptor.
 760  *
 761  * _id:            Plugin descriptor ID (C identifier).
 762  * _comp_class_id: Component class descriptor ID (C identifier).
 763  * _x:             Finalize method (bt_component_class_sink_finalize_method).
 764  */
 765 #define BT_PLUGIN_SINK_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 766         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(sink_finalize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_FINALIZE_METHOD, _id, _comp_class_id, sink, _x)
 767
 768 /*
 769  * Defines a query method attribute attached to a specific source
 770  * component class descriptor.
 771  *
 772  * _id:            Plugin descriptor ID (C identifier).
 773  * _comp_class_id: Component class descriptor ID (C identifier).
 774  * _x:             Finalize method (bt_component_class_source_query_method).
 775  */
 776 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 777         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_query_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_QUERY_METHOD, _id, _comp_class_id, source, _x)
 778
 779 /*
 780  * Defines a query method attribute attached to a specific filter
 781  * component class descriptor.
 782  *
 783  * _id:            Plugin descriptor ID (C identifier).
 784  * _comp_class_id: Component class descriptor ID (C identifier).
 785  * _x:             Finalize method (bt_component_class_filter_query_method).
 786  */
 787 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 788         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_query_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_QUERY_METHOD, _id, _comp_class_id, filter, _x)
 789
 790 /*
 791  * Defines a query method attribute attached to a specific sink
 792  * component class descriptor.
 793  *
 794  * _id:            Plugin descriptor ID (C identifier).
 795  * _comp_class_id: Component class descriptor ID (C identifier).
 796  * _x:             Finalize method (bt_component_class_sink_query_method).
 797  */
 798 #define BT_PLUGIN_SINK_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 799         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(sink_query_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_QUERY_METHOD, _id, _comp_class_id, sink, _x)
 800
 801 /*
 802  * Defines an input port connected method attribute attached to a
 803  * specific filter component class descriptor.
 804  *
 805  * _id:            Plugin descriptor ID (C identifier).
 806  * _comp_class_id: Component class descriptor ID (C identifier).
 807  * _x:             Port connected method
 808  *                 (bt_component_class_filter_input_port_connected_method).
 809  */
 810 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 811         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_input_port_connected_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INPUT_PORT_CONNECTED_METHOD, _id, _comp_class_id, filter, _x)
 812
 813 /*
 814  * Defines an input port connected method attribute attached to a
 815  * specific sink component class descriptor.
 816  *
 817  * _id:            Plugin descriptor ID (C identifier).
 818  * _comp_class_id: Component class descriptor ID (C identifier).
 819  * _x:             Port connected method
 820  *                 (bt_component_class_sink_input_port_connected_method).
 821  */
 822 #define BT_PLUGIN_SINK_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 823         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(sink_input_port_connected_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INPUT_PORT_CONNECTED_METHOD, _id, _comp_class_id, sink, _x)
 824
 825 /*
 826  * Defines an output port connected method attribute attached to a
 827  * specific source component class descriptor.
 828  *
 829  * _id:            Plugin descriptor ID (C identifier).
 830  * _comp_class_id: Component class descriptor ID (C identifier).
 831  * _x:             Port connected method
 832  *                 (bt_component_class_source_output_port_connected_method).
 833  */
 834 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 835         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_output_port_connected_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_OUTPUT_PORT_CONNECTED_METHOD, _id, _comp_class_id, source, _x)
 836
 837 /*
 838  * Defines an output port connected method attribute attached to a
 839  * specific filter component class descriptor.
 840  *
 841  * _id:            Plugin descriptor ID (C identifier).
 842  * _comp_class_id: Component class descriptor ID (C identifier).
 843  * _x:             Port connected method
 844  *                 (bt_component_class_filter_output_port_connected_method).
 845  */
 846 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 847         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_output_port_connected_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_OUTPUT_PORT_CONNECTED_METHOD, _id, _comp_class_id, filter, _x)
 848
 849 /*
 850  * Defines a "graph is configured" method attribute attached to a
 851  * specific sink component class descriptor.
 852  *
 853  * _id:            Plugin descriptor ID (C identifier).
 854  * _comp_class_id: Component class descriptor ID (C identifier).
 855  * _x:             "Graph is configured" method
 856  *                 (bt_component_class_sink_graph_is_configured_method).
 857  */
 858 #define BT_PLUGIN_SINK_COMPONENT_CLASS_GRAPH_IS_CONFIGURED_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 859         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(sink_graph_is_configured_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_GRAPH_IS_CONFIGURED_METHOD, _id, _comp_class_id, sink, _x)
 860
 861 /*
 862  * Defines an iterator initialization method attribute attached to a
 863  * specific source component class descriptor.
 864  *
 865  * _id:            Plugin descriptor ID (C identifier).
 866  * _comp_class_id: Component class descriptor ID (C identifier).
 867  * _x:             Iterator initialization method
 868  *                 (bt_component_class_source_message_iterator_init_method).
 869  */
 870 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 871         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_msg_iter_init_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_INIT_METHOD, _id, _comp_class_id, source, _x)
 872
 873 /*
 874  * Defines an iterator finalize method attribute attached to a specific
 875  * source component class descriptor.
 876  *
 877  * _id:            Plugin descriptor ID (C identifier).
 878  * _comp_class_id: Component class descriptor ID (C identifier).
 879  * _x:             Iterator finalize method
 880  *                 (bt_component_class_source_message_iterator_finalize_method).
 881  */
 882 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 883         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_msg_iter_finalize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_FINALIZE_METHOD, _id, _comp_class_id, source, _x)
 884
 885 /*
 886  * Defines an iterator "seek nanoseconds from origin" method attribute
 887  * attached to a specific source component class descriptor.
 888  *
 889  * _id:            Plugin descriptor ID (C identifier).
 890  * _comp_class_id: Component class descriptor ID (C identifier).
 891  * _x:             Iterator "seek nanoseconds from origin" method
 892  *                 (bt_component_class_source_message_iterator_seek_ns_from_origin_method).
 893  */
 894 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 895         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_msg_iter_seek_ns_from_origin_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_NS_FROM_ORIGIN_METHOD, _id, _comp_class_id, source, _x)
 896
 897 /*
 898  * Defines an iterator "seek beginning" method attribute attached to a
 899  * specific source component class descriptor.
 900  *
 901  * _id:            Plugin descriptor ID (C identifier).
 902  * _comp_class_id: Component class descriptor ID (C identifier).
 903  * _x:             Iterator "seek beginning" method
 904  *                 (bt_component_class_source_message_iterator_seek_beginning_method).
 905  */
 906 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 907         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_msg_iter_seek_beginning_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_BEGINNING_METHOD, _id, _comp_class_id, source, _x)
 908
 909 /*
 910  * Defines an iterator "can seek nanoseconds from origin" method
 911  * attribute attached to a specific source component class descriptor.
 912  *
 913  * _id:            Plugin descriptor ID (C identifier).
 914  * _comp_class_id: Component class descriptor ID (C identifier).
 915  * _x:             Iterator "can seek nanoseconds from origin" method
 916  *                 (bt_component_class_source_message_iterator_can_seek_ns_from_origin_method).
 917  */
 918 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 919         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_msg_iter_can_seek_ns_from_origin_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_NS_FROM_ORIGIN_METHOD, _id, _comp_class_id, source, _x)
 920
 921 /*
 922  * Defines an iterator "can seek beginning" method attribute attached to a
 923  * specific source component class descriptor.
 924  *
 925  * _id:            Plugin descriptor ID (C identifier).
 926  * _comp_class_id: Component class descriptor ID (C identifier).
 927  * _x:             Iterator "can seek beginning" method
 928  *                 (bt_component_class_source_message_iterator_can_seek_beginning_method).
 929  */
 930 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 931         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_msg_iter_can_seek_beginning_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_BEGINNING_METHOD, _id, _comp_class_id, source, _x)
 932
 933 /*
 934  * Defines an iterator initialization method attribute attached to a
 935  * specific filter component class descriptor.
 936  *
 937  * _id:            Plugin descriptor ID (C identifier).
 938  * _comp_class_id: Component class descriptor ID (C identifier).
 939  * _x:             Iterator initialization method
 940  *                 (bt_component_class_filter_message_iterator_init_method).
 941  */
 942 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 943         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_msg_iter_init_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_INIT_METHOD, _id, _comp_class_id, filter, _x)
 944
 945 /*
 946  * Defines an iterator finalize method attribute attached to a specific
 947  * filter component class descriptor.
 948  *
 949  * _id:            Plugin descriptor ID (C identifier).
 950  * _comp_class_id: Component class descriptor ID (C identifier).
 951  * _x:             Iterator finalize method
 952  *                 (bt_component_class_filter_message_iterator_finalize_method).
 953  */
 954 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 955         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_msg_iter_finalize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_FINALIZE_METHOD, _id, _comp_class_id, filter, _x)
 956
 957 /*
 958  * Defines an iterator "seek nanoseconds from origin" method attribute
 959  * attached to a specific filter component class descriptor.
 960  *
 961  * _id:            Plugin descriptor ID (C identifier).
 962  * _comp_class_id: Component class descriptor ID (C identifier).
 963  * _x:             Iterator "seek nanoseconds from origin" method
 964  *                 (bt_component_class_filter_message_iterator_seek_ns_from_origin_method).
 965  */
 966 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 967         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_msg_iter_seek_ns_from_origin_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_NS_FROM_ORIGIN_METHOD, _id, _comp_class_id, filter, _x)
 968
 969 /*
 970  * Defines an iterator "seek beginning" method attribute attached to a
 971  * specific filter component class descriptor.
 972  *
 973  * _id:            Plugin descriptor ID (C identifier).
 974  * _comp_class_id: Component class descriptor ID (C identifier).
 975  * _x:             Iterator "seek beginning" method
 976  *                 (bt_component_class_filter_message_iterator_seek_beginning_method).
 977  */
 978 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 979         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_msg_iter_seek_beginning_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_BEGINNING_METHOD, _id, _comp_class_id, filter, _x)
 980
 981 /*
 982  * Defines an iterator "can seek nanoseconds from origin" method
 983  * attribute attached to a specific filter component class descriptor.
 984  *
 985  * _id:            Plugin descriptor ID (C identifier).
 986  * _comp_class_id: Component class descriptor ID (C identifier).
 987  * _x:             Iterator "can seek nanoseconds from origin" method
 988  *                 (bt_component_class_filter_message_iterator_can_seek_ns_from_origin_method).
 989  */
 990 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 991         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_msg_iter_can_seek_ns_from_origin_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_NS_FROM_ORIGIN_METHOD, _id, _comp_class_id, filter, _x)
 992
 993 /*
 994  * Defines an iterator "can seek beginning" method attribute attached to a
 995  * specific filter component class descriptor.
 996  *
 997  * _id:            Plugin descriptor ID (C identifier).
 998  * _comp_class_id: Component class descriptor ID (C identifier).
 999  * _x:             Iterator "can seek beginning" method
1000  *                 (bt_component_class_filter_message_iterator_can_seek_beginning_method).
1001  */
1002 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_METHOD_WITH_ID(_id, _comp_class_id, _x) \
1003         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_msg_iter_can_seek_beginning_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_BEGINNING_METHOD, _id, _comp_class_id, filter, _x)
1004
1005 /*
1006  * Defines a plugin descriptor with an automatic ID.
1007  *
1008  * _name: Plugin's name (C string).
1009  */
1010 #define BT_PLUGIN(_name)                static BT_PLUGIN_WITH_ID(auto, #_name)
1011
1012 /*
1013  * Defines a plugin initialization function attribute attached to the
1014  * automatic plugin descriptor.
1015  *
1016  * _x: Initialization function (bt_plugin_init_func).
1017  */
1018 #define BT_PLUGIN_INIT(_x)              BT_PLUGIN_INIT_WITH_ID(auto, _x)
1019
1020  /*
1021  * Defines a plugin exit function attribute attached to the automatic
1022  * plugin descriptor.
1023  *
1024  * _x: Exit function (bt_plugin_exit_func).
1025  */
1026 #define BT_PLUGIN_EXIT(_x)              BT_PLUGIN_EXIT_WITH_ID(auto, _x)
1027
1028 /*
1029  * Defines an author attribute attached to the automatic plugin
1030  * descriptor.
1031  *
1032  * _x: Author (C string).
1033  */
1034 #define BT_PLUGIN_AUTHOR(_x)            BT_PLUGIN_AUTHOR_WITH_ID(auto, _x)
1035
1036 /*
1037  * Defines a license attribute attached to the automatic plugin
1038  * descriptor.
1039  *
1040  * _x: License (C string).
1041  */
1042 #define BT_PLUGIN_LICENSE(_x)           BT_PLUGIN_LICENSE_WITH_ID(auto, _x)
1043
1044 /*
1045  * Defines a description attribute attached to the automatic plugin
1046  * descriptor.
1047  *
1048  * _x: Description (C string).
1049  */
1050 #define BT_PLUGIN_DESCRIPTION(_x)       BT_PLUGIN_DESCRIPTION_WITH_ID(auto, _x)
1051
1052 /*
1053  * Defines a version attribute attached to the automatic plugin
1054  * descriptor.
1055  *
1056  * _major: Plugin's major version (uint32_t).
1057  * _minor: Plugin's minor version (uint32_t).
1058  * _patch: Plugin's patch version (uint32_t).
1059  * _extra: Plugin's version extra information (C string).
1060  */
1061 #define BT_PLUGIN_VERSION(_major, _minor, _patch, _extra) BT_PLUGIN_VERSION_WITH_ID(auto, _major, _minor, _patch, _extra)
1062
1063 /*
1064  * Defines a source component class attached to the automatic plugin
1065  * descriptor. Its ID is the same as its name, hence its name must be a
1066  * C identifier in this version.
1067  *
1068  * _name:                   Component class name (C identifier).
1069  * _msg_iter_next_method: Component class's iterator next method
1070  *                          (bt_component_class_source_message_iterator_next_method).
1071  */
1072 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS(_name, _msg_iter_next_method) \
1073         BT_PLUGIN_SOURCE_COMPONENT_CLASS_WITH_ID(auto, _name, #_name, _msg_iter_next_method)
1074
1075 /*
1076  * Defines a filter component class attached to the automatic plugin
1077  * descriptor. Its ID is the same as its name, hence its name must be a
1078  * C identifier in this version.
1079  *
1080  * _name:                   Component class name (C identifier).
1081  * _msg_iter_next_method: Component class's iterator next method
1082  *                          (bt_component_class_filter_message_iterator_next_method).
1083  */
1084 #define BT_PLUGIN_FILTER_COMPONENT_CLASS(_name, _msg_iter_next_method) \
1085         BT_PLUGIN_FILTER_COMPONENT_CLASS_WITH_ID(auto, _name, #_name, _msg_iter_next_method)
1086
1087 /*
1088  * Defines a sink component class attached to the automatic plugin
1089  * descriptor. Its ID is the same as its name, hence its name must be a
1090  * C identifier in this version.
1091  *
1092  * _name:           Component class name (C identifier).
1093  * _consume_method: Component class's consume method
1094  *                  (bt_component_class_sink_consume_method).
1095  */
1096 #define BT_PLUGIN_SINK_COMPONENT_CLASS(_name, _consume_method) \
1097         BT_PLUGIN_SINK_COMPONENT_CLASS_WITH_ID(auto, _name, #_name, _consume_method)
1098
1099 /*
1100  * Defines a description attribute attached to a source component class
1101  * descriptor which is attached to the automatic plugin descriptor.
1102  *
1103  * _name: Component class name (C identifier).
1104  * _x:    Description (C string).
1105  */
1106 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_DESCRIPTION(_name, _x) \
1107         BT_PLUGIN_SOURCE_COMPONENT_CLASS_DESCRIPTION_WITH_ID(auto, _name, _x)
1108
1109 /*
1110  * Defines a description attribute attached to a filter component class
1111  * descriptor which is attached to the automatic plugin descriptor.
1112  *
1113  * _name: Component class name (C identifier).
1114  * _x:    Description (C string).
1115  */
1116 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_DESCRIPTION(_name, _x) \
1117         BT_PLUGIN_FILTER_COMPONENT_CLASS_DESCRIPTION_WITH_ID(auto, _name, _x)
1118
1119 /*
1120  * Defines a description attribute attached to a sink component class
1121  * descriptor which is attached to the automatic plugin descriptor.
1122  *
1123  * _name: Component class name (C identifier).
1124  * _x:    Description (C string).
1125  */
1126 #define BT_PLUGIN_SINK_COMPONENT_CLASS_DESCRIPTION(_name, _x) \
1127         BT_PLUGIN_SINK_COMPONENT_CLASS_DESCRIPTION_WITH_ID(auto, _name, _x)
1128
1129 /*
1130  * Defines a help attribute attached to a source component class
1131  * descriptor which is attached to the automatic plugin descriptor.
1132  *
1133  * _name: Component class name (C identifier).
1134  * _x:    Help (C string).
1135  */
1136 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_HELP(_name, _x) \
1137         BT_PLUGIN_SOURCE_COMPONENT_CLASS_HELP_WITH_ID(auto, _name, _x)
1138
1139 /*
1140  * Defines a help attribute attached to a filter component class
1141  * descriptor which is attached to the automatic plugin descriptor.
1142  *
1143  * _name: Component class name (C identifier).
1144  * _x:    Help (C string).
1145  */
1146 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_HELP(_name, _x) \
1147         BT_PLUGIN_FILTER_COMPONENT_CLASS_HELP_WITH_ID(auto, _name, _x)
1148
1149 /*
1150  * Defines a help attribute attached to a sink component class
1151  * descriptor which is attached to the automatic plugin descriptor.
1152  *
1153  * _name: Component class name (C identifier).
1154  * _x:    Help (C string).
1155  */
1156 #define BT_PLUGIN_SINK_COMPONENT_CLASS_HELP(_name, _x) \
1157         BT_PLUGIN_SINK_COMPONENT_CLASS_HELP_WITH_ID(auto, _name, _x)
1158
1159 /*
1160  * Defines an initialization method attribute attached to a source
1161  * component class descriptor which is attached to the automatic plugin
1162  * descriptor.
1163  *
1164  * _name: Component class name (C identifier).
1165  * _x:    Initialization method (bt_component_class_source_init_method).
1166  */
1167 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_INIT_METHOD(_name, _x) \
1168         BT_PLUGIN_SOURCE_COMPONENT_CLASS_INIT_METHOD_WITH_ID(auto, _name, _x)
1169
1170 /*
1171  * Defines an initialization method attribute attached to a filter
1172  * component class descriptor which is attached to the automatic plugin
1173  * descriptor.
1174  *
1175  * _name: Component class name (C identifier).
1176  * _x:    Initialization method (bt_component_class_filter_init_method).
1177  */
1178 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_INIT_METHOD(_name, _x) \
1179         BT_PLUGIN_FILTER_COMPONENT_CLASS_INIT_METHOD_WITH_ID(auto, _name, _x)
1180
1181 /*
1182  * Defines an initialization method attribute attached to a sink
1183  * component class descriptor which is attached to the automatic plugin
1184  * descriptor.
1185  *
1186  * _name: Component class name (C identifier).
1187  * _x:    Initialization method (bt_component_class_sink_init_method).
1188  */
1189 #define BT_PLUGIN_SINK_COMPONENT_CLASS_INIT_METHOD(_name, _x) \
1190         BT_PLUGIN_SINK_COMPONENT_CLASS_INIT_METHOD_WITH_ID(auto, _name, _x)
1191
1192 /*
1193  * Defines a "get supported MIP versions" method attribute attached to a
1194  * source component class descriptor which is attached to the automatic
1195  * plugin descriptor.
1196  *
1197  * _name: Component class name (C identifier).
1198  * _x:    Initialization method (bt_component_class_source_get_supported_mip_versions_method).
1199  */
1200 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_GET_SUPPORTED_MIP_VERSIONS_METHOD(_name, _x) \
1201         BT_PLUGIN_SOURCE_COMPONENT_CLASS_GET_SUPPORTED_MIP_VERSIONS_METHOD_WITH_ID(auto, _name, _x)
1202
1203 /*
1204  * Defines a "get supported MIP versions" method attribute attached to a
1205  * filter component class descriptor which is attached to the automatic
1206  * plugin descriptor.
1207  *
1208  * _name: Component class name (C identifier).
1209  * _x:    Initialization method (bt_component_class_filter_get_supported_mip_versions_method).
1210  */
1211 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_GET_SUPPORTED_MIP_VERSIONS_METHOD(_name, _x) \
1212         BT_PLUGIN_FILTER_COMPONENT_CLASS_GET_SUPPORTED_MIP_VERSIONS_METHOD_WITH_ID(auto, _name, _x)
1213
1214 /*
1215  * Defines a "get supported MIP versions" method attribute attached to a
1216  * sink component class descriptor which is attached to the automatic
1217  * plugin descriptor.
1218  *
1219  * _name: Component class name (C identifier).
1220  * _x:    Initialization method (bt_component_class_sink_get_supported_mip_versions_method).
1221  */
1222 #define BT_PLUGIN_SINK_COMPONENT_CLASS_GET_SUPPORTED_MIP_VERSIONS_METHOD(_name, _x) \
1223         BT_PLUGIN_SINK_COMPONENT_CLASS_GET_SUPPORTED_MIP_VERSIONS_METHOD_WITH_ID(auto, _name, _x)
1224
1225 /*
1226  * Defines a finalization method attribute attached to a source component
1227  * class descriptor which is attached to the automatic plugin
1228  * descriptor.
1229  *
1230  * _name: Component class name (C identifier).
1231  * _x:    Initialization method (bt_component_class_source_finalize_method).
1232  */
1233 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_FINALIZE_METHOD(_name, _x) \
1234         BT_PLUGIN_SOURCE_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(auto, _name, _x)
1235
1236 /*
1237  * Defines a finalization method attribute attached to a filter component
1238  * class descriptor which is attached to the automatic plugin
1239  * descriptor.
1240  *
1241  * _name: Component class name (C identifier).
1242  * _x:    Initialization method (bt_component_class_filter_finalize_method).
1243  */
1244 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_FINALIZE_METHOD(_name, _x) \
1245         BT_PLUGIN_FILTER_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(auto, _name, _x)
1246
1247 /*
1248  * Defines a finalization method attribute attached to a sink component class
1249  * descriptor which is attached to the automatic plugin descriptor.
1250  *
1251  * _name: Component class name (C identifier).
1252  * _x:    Initialization method (bt_component_class_sink_finalize_method).
1253  */
1254 #define BT_PLUGIN_SINK_COMPONENT_CLASS_FINALIZE_METHOD(_name, _x) \
1255         BT_PLUGIN_SINK_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(auto, _name, _x)
1256
1257 /*
1258  * Defines a query method attribute attached to a source component
1259  * class descriptor which is attached to the automatic plugin
1260  * descriptor.
1261  *
1262  * _name: Component class name (C identifier).
1263  * _x:    Initialization method (bt_component_class_source_query_method).
1264  */
1265 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_QUERY_METHOD(_name, _x) \
1266         BT_PLUGIN_SOURCE_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(auto, _name, _x)
1267
1268 /*
1269  * Defines a query method attribute attached to a filter component
1270  * class descriptor which is attached to the automatic plugin
1271  * descriptor.
1272  *
1273  * _name: Component class name (C identifier).
1274  * _x:    Initialization method (bt_component_class_filter_query_method).
1275  */
1276 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_QUERY_METHOD(_name, _x) \
1277         BT_PLUGIN_FILTER_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(auto, _name, _x)
1278
1279 /*
1280  * Defines a query method attribute attached to a sink component
1281  * class descriptor which is attached to the automatic plugin
1282  * descriptor.
1283  *
1284  * _name: Component class name (C identifier).
1285  * _x:    Initialization method (bt_component_class_sink_query_method).
1286  */
1287 #define BT_PLUGIN_SINK_COMPONENT_CLASS_QUERY_METHOD(_name, _x) \
1288         BT_PLUGIN_SINK_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(auto, _name, _x)
1289
1290 /*
1291  * Defines an input port connected method attribute attached to a filter
1292  * component class descriptor which is attached to the automatic plugin
1293  * descriptor.
1294  *
1295  * _name: Component class name (C identifier).
1296  * _x:    Port connected (bt_component_class_filter_input_port_connected_method).
1297  */
1298 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD(_name, _x) \
1299         BT_PLUGIN_FILTER_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD_WITH_ID(auto, _name, _x)
1300
1301 /*
1302  * Defines an input port connected method attribute attached to a sink
1303  * component class descriptor which is attached to the automatic plugin
1304  * descriptor.
1305  *
1306  * _name: Component class name (C identifier).
1307  * _x:    Port connected (bt_component_class_sink_input_port_connected_method).
1308  */
1309 #define BT_PLUGIN_SINK_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD(_name, _x) \
1310         BT_PLUGIN_SINK_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD_WITH_ID(auto, _name, _x)
1311
1312 /*
1313  * Defines an output port connected method attribute attached to a source
1314  * component class descriptor which is attached to the automatic plugin
1315  * descriptor.
1316  *
1317  * _name: Component class name (C identifier).
1318  * _x:    Port connected (bt_component_class_source_output_port_connected_method).
1319  */
1320 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD(_name, _x) \
1321         BT_PLUGIN_SOURCE_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD_WITH_ID(auto, _name, _x)
1322
1323 /*
1324  * Defines an output port connected method attribute attached to a filter
1325  * component class descriptor which is attached to the automatic plugin
1326  * descriptor.
1327  *
1328  * _name: Component class name (C identifier).
1329  * _x:    Port connected (bt_component_class_filter_output_port_connected_method).
1330  */
1331 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD(_name, _x) \
1332         BT_PLUGIN_FILTER_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD_WITH_ID(auto, _name, _x)
1333
1334 /*
1335  * Defines a "graph is configured" method attribute attached to
1336  * a sink component class descriptor which is attached to the automatic
1337  * plugin descriptor.
1338  *
1339  * _name: Component class name (C identifier).
1340  * _x:    "Graph is configured" method
1341  *        (bt_component_class_sink_graph_is_configured_method).
1342  */
1343 #define BT_PLUGIN_SINK_COMPONENT_CLASS_GRAPH_IS_CONFIGURED_METHOD(_name, _x) \
1344         BT_PLUGIN_SINK_COMPONENT_CLASS_GRAPH_IS_CONFIGURED_METHOD_WITH_ID(auto, _name, _x)
1345
1346 /*
1347  * Defines an iterator initialization method attribute attached to a
1348  * source component class descriptor which is attached to the automatic
1349  * plugin descriptor.
1350  *
1351  * _name: Component class name (C identifier).
1352  * _x:    Iterator initialization method
1353  *        (bt_component_class_source_message_iterator_init_method).
1354  */
1355 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD(_name, _x) \
1356         BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_WITH_ID(auto, _name, _x)
1357
1358 /*
1359  * Defines an iterator finalize method attribute attached to a source
1360  * component class descriptor which is attached to the automatic plugin
1361  * descriptor.
1362  *
1363  * _name: Component class name (C identifier).
1364  * _x:    Iterator finalize method
1365  *        (bt_component_class_source_message_iterator_finalize_method).
1366  */
1367 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD(_name, _x) \
1368         BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD_WITH_ID(auto, _name, _x)
1369
1370 /*
1371  * Defines an iterator "seek nanoseconds from origin" method attribute
1372  * attached to a source component class descriptor which is attached to
1373  * the automatic plugin descriptor.
1374  *
1375  * _name: Component class name (C identifier).
1376  * _x:    Iterator "seek nanoseconds from origin" method
1377  *        (bt_component_class_source_message_iterator_seek_ns_from_origin_method).
1378  */
1379 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_METHOD(_name, _x) \
1380         BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(auto, _name, _x)
1381
1382 /*
1383  * Defines an iterator "seek beginning" method attribute
1384  * attached to a source component class descriptor which is attached to
1385  * the automatic plugin descriptor.
1386  *
1387  * _name: Component class name (C identifier).
1388  * _x:    Iterator "seek beginning" method
1389  *        (bt_component_class_source_message_iterator_seek_beginning_method).
1390  */
1391 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD(_name, _x) \
1392         BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_WITH_ID(auto, _name, _x)
1393
1394 /*
1395  * Defines an iterator "can seek nanoseconds from origin" method
1396  * attribute attached to a source component class descriptor which is
1397  * attached to the automatic plugin descriptor.
1398  *
1399  * _name: Component class name (C identifier).
1400  * _x:    Iterator "can seek nanoseconds from origin" method
1401  *        (bt_component_class_source_message_iterator_can_seek_ns_from_origin_method).
1402  */
1403 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_NS_FROM_ORIGIN_METHOD(_name, _x) \
1404         BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(auto, _name, _x)
1405
1406 /*
1407  * Defines an iterator "can seek beginning" method attribute
1408  * attached to a source component class descriptor which is attached to
1409  * the automatic plugin descriptor.
1410  *
1411  * _name: Component class name (C identifier).
1412  * _x:    Iterator "can seek beginning" method
1413  *        (bt_component_class_source_message_iterator_can_seek_beginning_method).
1414  */
1415 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_METHOD(_name, _x) \
1416         BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_METHOD_WITH_ID(auto, _name, _x)
1417
1418 /*
1419  * Defines an iterator initialization method attribute attached to a
1420  * filter component class descriptor which is attached to the automatic
1421  * plugin descriptor.
1422  *
1423  * _name: Component class name (C identifier).
1424  * _x:    Iterator initialization method
1425  *        (bt_component_class_filter_message_iterator_init_method).
1426  */
1427 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD(_name, _x) \
1428         BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_WITH_ID(auto, _name, _x)
1429
1430 /*
1431  * Defines an iterator finalize method attribute attached to a filter
1432  * component class descriptor which is attached to the automatic plugin
1433  * descriptor.
1434  *
1435  * _name: Component class name (C identifier).
1436  * _x:    Iterator finalize method
1437  *        (bt_component_class_filter_message_iterator_finalize_method).
1438  */
1439 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD(_name, _x) \
1440         BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD_WITH_ID(auto, _name, _x)
1441
1442 /*
1443  * Defines an iterator "seek nanoseconds from origin" method attribute
1444  * attached to a filter component class descriptor which is attached to
1445  * the automatic plugin descriptor.
1446  *
1447  * _name: Component class name (C identifier).
1448  * _x:    Iterator "seek nanoseconds from origin" method
1449  *        (bt_component_class_filter_message_iterator_seek_ns_from_origin_method).
1450  */
1451 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_METHOD(_name, _x) \
1452         BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(auto, _name, _x)
1453
1454 /*
1455  * Defines an iterator "seek beginning" method attribute
1456  * attached to a filter component class descriptor which is attached to
1457  * the automatic plugin descriptor.
1458  *
1459  * _name: Component class name (C identifier).
1460  * _x:    Iterator "seek beginning" method
1461  *        (bt_component_class_filter_message_iterator_seek_beginning_method).
1462  */
1463 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD(_name, _x) \
1464         BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_WITH_ID(auto, _name, _x)
1465
1466 /*
1467  * Defines an iterator "can seek nanoseconds from origin" method
1468  * attribute attached to a filter component class descriptor which is
1469  * attached to the automatic plugin descriptor.
1470  *
1471  * _name: Component class name (C identifier).
1472  * _x:    Iterator "can seek nanoseconds from origin" method
1473  *        (bt_component_class_filter_message_iterator_can_seek_ns_from_origin_method).
1474  */
1475 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_NS_FROM_ORIGIN_METHOD(_name, _x) \
1476         BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(auto, _name, _x)
1477
1478 /*
1479  * Defines an iterator "can seek beginning" method attribute
1480  * attached to a filter component class descriptor which is attached to
1481  * the automatic plugin descriptor.
1482  *
1483  * _name: Component class name (C identifier).
1484  * _x:    Iterator "can seek beginning" method
1485  *        (bt_component_class_filter_message_iterator_can_seek_beginning_method).
1486  */
1487 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_METHOD(_name, _x) \
1488         BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_METHOD_WITH_ID(auto, _name, _x)
1489
1490 #define BT_PLUGIN_MODULE() \
1491         static struct __bt_plugin_descriptor const * const __bt_plugin_descriptor_dummy __BT_PLUGIN_DESCRIPTOR_ATTRS = NULL; \
1492         _BT_HIDDEN extern struct __bt_plugin_descriptor const *__BT_PLUGIN_DESCRIPTOR_BEGIN_SYMBOL __BT_PLUGIN_DESCRIPTOR_BEGIN_EXTRA; \
1493         _BT_HIDDEN extern struct __bt_plugin_descriptor const *__BT_PLUGIN_DESCRIPTOR_END_SYMBOL __BT_PLUGIN_DESCRIPTOR_END_EXTRA; \
1494         \
1495         static struct __bt_plugin_descriptor_attribute const * const __bt_plugin_descriptor_attribute_dummy __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_ATTRS = NULL; \
1496         _BT_HIDDEN extern struct __bt_plugin_descriptor_attribute const *__BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA; \
1497         _BT_HIDDEN extern struct __bt_plugin_descriptor_attribute const *__BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_SYMBOL __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_EXTRA; \
1498         \
1499         static struct __bt_plugin_component_class_descriptor const * const __bt_plugin_component_class_descriptor_dummy __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRS = NULL; \
1500         _BT_HIDDEN extern struct __bt_plugin_component_class_descriptor const *__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_SYMBOL __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_EXTRA; \
1501         _BT_HIDDEN extern struct __bt_plugin_component_class_descriptor const *__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_SYMBOL __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_EXTRA; \
1502         \
1503         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; \
1504         _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; \
1505         _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; \
1506         \
1507         struct __bt_plugin_descriptor const * const *__bt_get_begin_section_plugin_descriptors(void) \
1508         { \
1509                 return &__BT_PLUGIN_DESCRIPTOR_BEGIN_SYMBOL; \
1510         } \
1511         struct __bt_plugin_descriptor const * const *__bt_get_end_section_plugin_descriptors(void) \
1512         { \
1513                 return &__BT_PLUGIN_DESCRIPTOR_END_SYMBOL; \
1514         } \
1515         struct __bt_plugin_descriptor_attribute const * const *__bt_get_begin_section_plugin_descriptor_attributes(void) \
1516         { \
1517                 return &__BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL; \
1518         } \
1519         struct __bt_plugin_descriptor_attribute const * const *__bt_get_end_section_plugin_descriptor_attributes(void) \
1520         { \
1521                 return &__BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_SYMBOL; \
1522         } \
1523         struct __bt_plugin_component_class_descriptor const * const *__bt_get_begin_section_component_class_descriptors(void) \
1524         { \
1525                 return &__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_SYMBOL; \
1526         } \
1527         struct __bt_plugin_component_class_descriptor const * const *__bt_get_end_section_component_class_descriptors(void) \
1528         { \
1529                 return &__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_SYMBOL; \
1530         } \
1531         struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_begin_section_component_class_descriptor_attributes(void) \
1532         { \
1533                 return &__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL; \
1534         } \
1535         struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_end_section_component_class_descriptor_attributes(void) \
1536         { \
1537                 return &__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_SYMBOL; \
1538         }
1539
1540 #ifdef __cplusplus
1541 }
1542 #endif
1543
1544 #endif /* BABELTRACE2_PLUGIN_PLUGIN_DEV_H */