include/babeltrace/plugin/plugin-dev.h

   1 #ifndef BABELTRACE_PLUGIN_PLUGIN_DEV_H
   2 #define BABELTRACE_PLUGIN_PLUGIN_DEV_H
   3
   4 /*
   5  * This is the header that you need to include for the development of
   6  * a Babeltrace plug-in.
   7  *
   8  * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
   9  * Copyright 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com>
  10  *
  11  * Permission is hereby granted, free of charge, to any person obtaining a copy
  12  * of this software and associated documentation files (the "Software"), to deal
  13  * in the Software without restriction, including without limitation the rights
  14  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  15  * copies of the Software, and to permit persons to whom the Software is
  16  * furnished to do so, subject to the following conditions:
  17  *
  18  * The above copyright notice and this permission notice shall be included in
  19  * all copies or substantial portions of the Software.
  20  *
  21  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  22  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  23  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  24  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  25  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  26  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  27  * SOFTWARE.
  28  */
  29
  30 #include <stdint.h>
  31
  32 /* For enum bt_plugin_status */
  33 #include <babeltrace/plugin/plugin-const.h>
  34
  35 /* For bt_component_class_type */
  36 #include <babeltrace/graph/component-class-const.h>
  37
  38 /* For component class method type definitions */
  39 #include <babeltrace/graph/component-class-source.h>
  40 #include <babeltrace/graph/component-class-filter.h>
  41 #include <babeltrace/graph/component-class-sink.h>
  42
  43 /*
  44  * _BT_HIDDEN: set the hidden attribute for internal functions
  45  * On Windows, symbols are local unless explicitly exported,
  46  * see https://gcc.gnu.org/wiki/Visibility
  47  */
  48 #if defined(_WIN32) || defined(__CYGWIN__)
  49 #define _BT_HIDDEN
  50 #else
  51 #define _BT_HIDDEN __attribute__((visibility("hidden")))
  52 #endif
  53
  54 #ifdef __cplusplus
  55 extern "C" {
  56 #endif
  57
  58 /*
  59  * Plugin interface's version, not synced with Babeltrace's version
  60  * (internal use).
  61  */
  62 #define __BT_PLUGIN_VERSION_MAJOR       1
  63 #define __BT_PLUGIN_VERSION_MINOR       0
  64
  65 /* Plugin initialization function type */
  66 typedef enum bt_self_plugin_status {
  67         BT_SELF_PLUGIN_STATUS_OK = 0,
  68         BT_SELF_PLUGIN_STATUS_NOMEM = -12,
  69         BT_SELF_PLUGIN_STATUS_ERROR = -1,
  70 } bt_self_plugin_status;
  71
  72 typedef struct bt_self_plugin bt_self_plugin;
  73
  74 typedef bt_self_plugin_status (*bt_plugin_init_func)(
  75                 bt_self_plugin *plugin);
  76
  77 /* Plugin exit function type */
  78 typedef void (*bt_plugin_exit_func)(void);
  79
  80 /* Plugin descriptor: describes a single plugin (internal use) */
  81 struct __bt_plugin_descriptor {
  82         /* Plugin's interface major version number */
  83         uint32_t major;
  84
  85         /* Plugin's interface minor version number */
  86         uint32_t minor;
  87
  88         /* Plugin's name */
  89         const char *name;
  90 } __attribute__((packed));
  91
  92 /* Type of a plugin attribute (internal use) */
  93 enum __bt_plugin_descriptor_attribute_type {
  94         BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_INIT                = 0,
  95         BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_EXIT                = 1,
  96         BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_AUTHOR              = 2,
  97         BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_LICENSE             = 3,
  98         BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION         = 4,
  99         BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_VERSION             = 5,
 100 };
 101
 102 /* Plugin (user) version */
 103 struct __bt_plugin_descriptor_version {
 104         uint32_t major;
 105         uint32_t minor;
 106         uint32_t patch;
 107         const char *extra;
 108 };
 109
 110 /* Plugin attribute (internal use) */
 111 struct __bt_plugin_descriptor_attribute {
 112         /* Plugin descriptor to which to associate this attribute */
 113         const struct __bt_plugin_descriptor *plugin_descriptor;
 114
 115         /* Name of the attribute's type for debug purposes */
 116         const char *type_name;
 117
 118         /* Attribute's type */
 119         enum __bt_plugin_descriptor_attribute_type type;
 120
 121         /* Attribute's value (depends on attribute's type) */
 122         union {
 123                 /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_INIT */
 124                 bt_plugin_init_func init;
 125
 126                 /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_EXIT */
 127                 bt_plugin_exit_func exit;
 128
 129                 /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_AUTHOR */
 130                 const char *author;
 131
 132                 /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_LICENSE */
 133                 const char *license;
 134
 135                 /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION */
 136                 const char *description;
 137
 138                 /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_VERSION */
 139                 struct __bt_plugin_descriptor_version version;
 140         } value;
 141 } __attribute__((packed));
 142
 143 /* Component class descriptor (internal use) */
 144 struct __bt_plugin_component_class_descriptor {
 145         /*
 146          * Plugin descriptor to which to associate this component
 147          * class descriptor.
 148          */
 149         const struct __bt_plugin_descriptor *plugin_descriptor;
 150
 151         /* Component class name */
 152         const char *name;
 153
 154         /* Component class type */
 155         bt_component_class_type type;
 156
 157         /* Mandatory methods (depends on component class type) */
 158         union {
 159                 /* BT_COMPONENT_CLASS_TYPE_SOURCE */
 160                 struct {
 161                         bt_component_class_source_message_iterator_next_method msg_iter_next;
 162                 } source;
 163
 164                 /* BT_COMPONENT_CLASS_TYPE_FILTER */
 165                 struct {
 166                         bt_component_class_filter_message_iterator_next_method msg_iter_next;
 167                 } filter;
 168
 169                 /* BT_COMPONENT_CLASS_TYPE_SINK */
 170                 struct {
 171                         bt_component_class_sink_consume_method consume;
 172                 } sink;
 173         } methods;
 174 } __attribute__((packed));
 175
 176 /* Type of a component class attribute (internal use) */
 177 enum __bt_plugin_component_class_descriptor_attribute_type {
 178         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION                                 = 0,
 179         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_HELP                                        = 1,
 180         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INIT_METHOD                                 = 2,
 181         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_FINALIZE_METHOD                             = 3,
 182         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_QUERY_METHOD                                = 4,
 183         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_ACCEPT_INPUT_PORT_CONNECTION_METHOD         = 5,
 184         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_ACCEPT_OUTPUT_PORT_CONNECTION_METHOD        = 6,
 185         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INPUT_PORT_CONNECTED_METHOD                 = 7,
 186         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_OUTPUT_PORT_CONNECTED_METHOD                = 8,
 187         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_INIT_METHOD                        = 9,
 188         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_FINALIZE_METHOD                    = 10,
 189         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_NS_FROM_ORIGIN_METHOD         = 11,
 190         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_BEGINNING_METHOD              = 12,
 191         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_NS_FROM_ORIGIN_METHOD     = 13,
 192         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_BEGINNING_METHOD          = 14,
 193 };
 194
 195 /* Component class attribute (internal use) */
 196 struct __bt_plugin_component_class_descriptor_attribute {
 197         /*
 198          * Component class plugin attribute to which to associate this
 199          * component class attribute.
 200          */
 201         const struct __bt_plugin_component_class_descriptor *comp_class_descriptor;
 202
 203         /* Name of the attribute's type for debug purposes */
 204         const char *type_name;
 205
 206         /* Attribute's type */
 207         enum __bt_plugin_component_class_descriptor_attribute_type type;
 208
 209         /* Attribute's value (depends on attribute's type) */
 210         union {
 211                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION */
 212                 const char *description;
 213
 214                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_HELP */
 215                 const char *help;
 216
 217                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INIT_METHOD */
 218                 bt_component_class_source_init_method source_init_method;
 219                 bt_component_class_filter_init_method filter_init_method;
 220                 bt_component_class_sink_init_method sink_init_method;
 221
 222                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_FINALIZE_METHOD */
 223                 bt_component_class_source_finalize_method source_finalize_method;
 224                 bt_component_class_filter_finalize_method filter_finalize_method;
 225                 bt_component_class_sink_finalize_method sink_finalize_method;
 226
 227                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_QUERY_METHOD */
 228                 bt_component_class_source_query_method source_query_method;
 229                 bt_component_class_filter_query_method filter_query_method;
 230                 bt_component_class_sink_query_method sink_query_method;
 231
 232                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_ACCEPT_INPUT_PORT_CONNECTION_METHOD */
 233                 bt_component_class_filter_accept_input_port_connection_method filter_accept_input_port_connection_method;
 234                 bt_component_class_sink_accept_input_port_connection_method sink_accept_input_port_connection_method;
 235
 236                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_ACCEPT_OUTPUT_PORT_CONNECTION_METHOD */
 237                 bt_component_class_source_accept_output_port_connection_method source_accept_output_port_connection_method;
 238                 bt_component_class_filter_accept_output_port_connection_method filter_accept_output_port_connection_method;
 239
 240                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INPUT_PORT_CONNECTED_METHOD */
 241                 bt_component_class_filter_input_port_connected_method filter_input_port_connected_method;
 242                 bt_component_class_sink_input_port_connected_method sink_input_port_connected_method;
 243
 244                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_OUTPUT_PORT_CONNECTED_METHOD */
 245                 bt_component_class_source_output_port_connected_method source_output_port_connected_method;
 246                 bt_component_class_filter_output_port_connected_method filter_output_port_connected_method;
 247
 248                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_INIT_METHOD */
 249                 bt_component_class_source_message_iterator_init_method source_msg_iter_init_method;
 250                 bt_component_class_filter_message_iterator_init_method filter_msg_iter_init_method;
 251
 252                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_FINALIZE_METHOD */
 253                 bt_component_class_source_message_iterator_finalize_method source_msg_iter_finalize_method;
 254                 bt_component_class_filter_message_iterator_finalize_method filter_msg_iter_finalize_method;
 255
 256                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_NS_FROM_ORIGIN_METHOD */
 257                 bt_component_class_source_message_iterator_seek_ns_from_origin_method source_msg_iter_seek_ns_from_origin_method;
 258                 bt_component_class_filter_message_iterator_seek_ns_from_origin_method filter_msg_iter_seek_ns_from_origin_method;
 259
 260                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_BEGINNING_METHOD */
 261                 bt_component_class_source_message_iterator_seek_beginning_method source_msg_iter_seek_beginning_method;
 262                 bt_component_class_filter_message_iterator_seek_beginning_method filter_msg_iter_seek_beginning_method;
 263
 264                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_NS_FROM_ORIGIN_METHOD */
 265                 bt_component_class_source_message_iterator_can_seek_ns_from_origin_method source_msg_iter_can_seek_ns_from_origin_method;
 266                 bt_component_class_filter_message_iterator_can_seek_ns_from_origin_method filter_msg_iter_can_seek_ns_from_origin_method;
 267
 268                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_BEGINNING_METHOD */
 269                 bt_component_class_source_message_iterator_can_seek_beginning_method source_msg_iter_can_seek_beginning_method;
 270                 bt_component_class_filter_message_iterator_can_seek_beginning_method filter_msg_iter_can_seek_beginning_method;
 271         } value;
 272 } __attribute__((packed));
 273
 274 struct __bt_plugin_descriptor const * const *__bt_get_begin_section_plugin_descriptors(void);
 275 struct __bt_plugin_descriptor const * const *__bt_get_end_section_plugin_descriptors(void);
 276 struct __bt_plugin_descriptor_attribute const * const *__bt_get_begin_section_plugin_descriptor_attributes(void);
 277 struct __bt_plugin_descriptor_attribute const * const *__bt_get_end_section_plugin_descriptor_attributes(void);
 278 struct __bt_plugin_component_class_descriptor const * const *__bt_get_begin_section_component_class_descriptors(void);
 279 struct __bt_plugin_component_class_descriptor const * const *__bt_get_end_section_component_class_descriptors(void);
 280 struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_begin_section_component_class_descriptor_attributes(void);
 281 struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_end_section_component_class_descriptor_attributes(void);
 282
 283 /*
 284  * Variable attributes for a plugin descriptor pointer to be added to
 285  * the plugin descriptor section (internal use).
 286  */
 287 #ifdef __APPLE__
 288 #define __BT_PLUGIN_DESCRIPTOR_ATTRS \
 289         __attribute__((section("__DATA,btp_desc"), used))
 290
 291 #define __BT_PLUGIN_DESCRIPTOR_BEGIN_SYMBOL \
 292         __start___bt_plugin_descriptors
 293
 294 #define __BT_PLUGIN_DESCRIPTOR_END_SYMBOL \
 295         __stop___bt_plugin_descriptors
 296
 297 #define __BT_PLUGIN_DESCRIPTOR_BEGIN_EXTRA \
 298         __asm("section$start$__DATA$btp_desc")
 299
 300 #define __BT_PLUGIN_DESCRIPTOR_END_EXTRA \
 301         __asm("section$end$__DATA$btp_desc")
 302
 303 #else
 304
 305 #define __BT_PLUGIN_DESCRIPTOR_ATTRS \
 306         __attribute__((section("__bt_plugin_descriptors"), used))
 307
 308 #define __BT_PLUGIN_DESCRIPTOR_BEGIN_SYMBOL \
 309         __start___bt_plugin_descriptors
 310
 311 #define __BT_PLUGIN_DESCRIPTOR_END_SYMBOL \
 312         __stop___bt_plugin_descriptors
 313
 314 #define __BT_PLUGIN_DESCRIPTOR_BEGIN_EXTRA
 315
 316 #define __BT_PLUGIN_DESCRIPTOR_END_EXTRA
 317 #endif
 318
 319 /*
 320  * Variable attributes for a plugin attribute pointer to be added to
 321  * the plugin attribute section (internal use).
 322  */
 323 #ifdef __APPLE__
 324 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_ATTRS \
 325         __attribute__((section("__DATA,btp_desc_att"), used))
 326
 327 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL \
 328         __start___bt_plugin_descriptor_attributes
 329
 330 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_SYMBOL \
 331         __stop___bt_plugin_descriptor_attributes
 332
 333 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA \
 334         __asm("section$start$__DATA$btp_desc_att")
 335
 336 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_EXTRA \
 337         __asm("section$end$__DATA$btp_desc_att")
 338
 339 #else
 340
 341 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_ATTRS \
 342         __attribute__((section("__bt_plugin_descriptor_attributes"), used))
 343
 344 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL \
 345         __start___bt_plugin_descriptor_attributes
 346
 347 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_SYMBOL \
 348         __stop___bt_plugin_descriptor_attributes
 349
 350 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA
 351
 352 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_EXTRA
 353 #endif
 354
 355 /*
 356  * Variable attributes for a component class descriptor pointer to be
 357  * added to the component class descriptor section (internal use).
 358  */
 359 #ifdef __APPLE__
 360 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRS \
 361         __attribute__((section("__DATA,btp_cc_desc"), used))
 362
 363 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_SYMBOL \
 364         __start___bt_plugin_component_class_descriptors
 365
 366 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_SYMBOL \
 367         __stop___bt_plugin_component_class_descriptors
 368
 369 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_EXTRA \
 370         __asm("section$start$__DATA$btp_cc_desc")
 371
 372 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_EXTRA \
 373         __asm("section$end$__DATA$btp_cc_desc")
 374
 375 #else
 376
 377 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRS \
 378         __attribute__((section("__bt_plugin_component_class_descriptors"), used))
 379
 380 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_SYMBOL \
 381         __start___bt_plugin_component_class_descriptors
 382
 383 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_SYMBOL \
 384         __stop___bt_plugin_component_class_descriptors
 385
 386 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_EXTRA
 387
 388 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_EXTRA
 389 #endif
 390
 391 /*
 392  * Variable attributes for a component class descriptor attribute
 393  * pointer to be added to the component class descriptor attribute
 394  * section (internal use).
 395  */
 396 #ifdef __APPLE__
 397 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_ATTRS \
 398         __attribute__((section("__DATA,btp_cc_desc_att"), used))
 399
 400 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL \
 401         __start___bt_plugin_component_class_descriptor_attributes
 402
 403 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_SYMBOL \
 404         __stop___bt_plugin_component_class_descriptor_attributes
 405
 406 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA \
 407         __asm("section$start$__DATA$btp_cc_desc_att")
 408
 409 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_EXTRA \
 410         __asm("section$end$__DATA$btp_cc_desc_att")
 411
 412 #else
 413
 414 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_ATTRS \
 415         __attribute__((section("__bt_plugin_component_class_descriptor_attributes"), used))
 416
 417 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL \
 418         __start___bt_plugin_component_class_descriptor_attributes
 419
 420 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_SYMBOL \
 421         __stop___bt_plugin_component_class_descriptor_attributes
 422
 423 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA
 424
 425 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_EXTRA
 426 #endif
 427
 428 /*
 429  * Declares a plugin descriptor pointer variable with a custom ID.
 430  *
 431  * _id: ID (any valid C identifier except `auto`).
 432  */
 433 #define BT_PLUGIN_DECLARE(_id) extern struct __bt_plugin_descriptor __bt_plugin_descriptor_##_id
 434
 435 /*
 436  * Defines a plugin descriptor with a custom ID.
 437  *
 438  * _id:   ID (any valid C identifier except `auto`).
 439  * _name: Plugin's name (C string).
 440  */
 441 #define BT_PLUGIN_WITH_ID(_id, _name)                                   \
 442         struct __bt_plugin_descriptor __bt_plugin_descriptor_##_id = {  \
 443                 .major = __BT_PLUGIN_VERSION_MAJOR,                     \
 444                 .minor = __BT_PLUGIN_VERSION_MINOR,                     \
 445                 .name = _name,                                          \
 446         };                                                              \
 447         static struct __bt_plugin_descriptor const * const __bt_plugin_descriptor_##_id##_ptr __BT_PLUGIN_DESCRIPTOR_ATTRS = &__bt_plugin_descriptor_##_id
 448
 449 /*
 450  * Defines a plugin attribute (generic, internal use).
 451  *
 452  * _attr_name: Name of the attribute (C identifier).
 453  * _attr_type: Type of the attribute (enum __bt_plugin_descriptor_attribute_type).
 454  * _id:        Plugin descriptor ID (C identifier).
 455  * _x:         Value.
 456  */
 457 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(_attr_name, _attr_type, _id, _x) \
 458         static struct __bt_plugin_descriptor_attribute __bt_plugin_descriptor_attribute_##_id##_##_attr_name = { \
 459                 .plugin_descriptor = &__bt_plugin_descriptor_##_id,     \
 460                 .type_name = #_attr_name,                               \
 461                 .type = _attr_type,                                     \
 462                 .value._attr_name = _x,                                 \
 463         };                                                              \
 464         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
 465
 466 /*
 467  * Defines a plugin initialization function attribute attached to a
 468  * specific plugin descriptor.
 469  *
 470  * _id: Plugin descriptor ID (C identifier).
 471  * _x:  Initialization function (bt_plugin_init_func).
 472  */
 473 #define BT_PLUGIN_INIT_WITH_ID(_id, _x) \
 474         __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(init, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_INIT, _id, _x)
 475
 476 /*
 477  * Defines a plugin exit function attribute attached to a specific
 478  * plugin descriptor.
 479  *
 480  * _id: Plugin descriptor ID (C identifier).
 481  * _x:  Exit function (bt_plugin_exit_func).
 482  */
 483 #define BT_PLUGIN_EXIT_WITH_ID(_id, _x) \
 484         __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(exit, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_EXIT, _id, _x)
 485
 486 /*
 487  * Defines an author attribute attached to a specific plugin descriptor.
 488  *
 489  * _id: Plugin descriptor ID (C identifier).
 490  * _x:  Author (C string).
 491  */
 492 #define BT_PLUGIN_AUTHOR_WITH_ID(_id, _x) \
 493         __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(author, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_AUTHOR, _id, _x)
 494
 495 /*
 496  * Defines a license attribute attached to a specific plugin descriptor.
 497  *
 498  * _id: Plugin descriptor ID (C identifier).
 499  * _x:  License (C string).
 500  */
 501 #define BT_PLUGIN_LICENSE_WITH_ID(_id, _x) \
 502         __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(license, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_LICENSE, _id, _x)
 503
 504 /*
 505  * Defines a description attribute attached to a specific plugin
 506  * descriptor.
 507  *
 508  * _id: Plugin descriptor ID (C identifier).
 509  * _x:  Description (C string).
 510  */
 511 #define BT_PLUGIN_DESCRIPTION_WITH_ID(_id, _x) \
 512         __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(description, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION, _id, _x)
 513
 514 #define __BT_PLUGIN_VERSION_STRUCT_VALUE(_major, _minor, _patch, _extra) \
 515         {.major = _major, .minor = _minor, .patch = _patch, .extra = _extra,}
 516
 517 /*
 518  * Defines a version attribute attached to a specific plugin descriptor.
 519  *
 520  * _id:    Plugin descriptor ID (C identifier).
 521  * _major: Plugin's major version (uint32_t).
 522  * _minor: Plugin's minor version (uint32_t).
 523  * _patch: Plugin's patch version (uint32_t).
 524  * _extra: Plugin's version extra information (C string).
 525  */
 526 #define BT_PLUGIN_VERSION_WITH_ID(_id, _major, _minor, _patch, _extra) \
 527         __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(version, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_VERSION, _id, __BT_PLUGIN_VERSION_STRUCT_VALUE(_major, _minor, _patch, _extra))
 528
 529 /*
 530  * Defines a source component class descriptor with a custom ID.
 531  *
 532  * _id:                     ID (any valid C identifier except `auto`).
 533  * _comp_class_id:          Component class ID (C identifier).
 534  * _name:                   Component class name (C string).
 535  * _msg_iter_next_method: Component class's iterator next method
 536  *                          (bt_component_class_source_message_iterator_next_method).
 537  */
 538 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_WITH_ID(_id, _comp_class_id, _name, _msg_iter_next_method) \
 539         static struct __bt_plugin_component_class_descriptor __bt_plugin_source_component_class_descriptor_##_id##_##_comp_class_id = { \
 540                 .plugin_descriptor = &__bt_plugin_descriptor_##_id,     \
 541                 .name = _name,                                          \
 542                 .type = BT_COMPONENT_CLASS_TYPE_SOURCE,                 \
 543                 .methods.source = {                                     \
 544                         .msg_iter_next = _msg_iter_next_method, \
 545                 },                                                      \
 546         };                                                              \
 547         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
 548
 549 /*
 550  * Defines a filter component class descriptor with a custom ID.
 551  *
 552  * _id:                     ID (any valid C identifier except `auto`).
 553  * _comp_class_id:          Component class ID (C identifier).
 554  * _name:                   Component class name (C string).
 555  * _msg_iter_next_method: Component class's iterator next method
 556  *                          (bt_component_class_filter_message_iterator_next_method).
 557  */
 558 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_WITH_ID(_id, _comp_class_id, _name, _msg_iter_next_method) \
 559         static struct __bt_plugin_component_class_descriptor __bt_plugin_filter_component_class_descriptor_##_id##_##_comp_class_id = { \
 560                 .plugin_descriptor = &__bt_plugin_descriptor_##_id,     \
 561                 .name = _name,                                          \
 562                 .type = BT_COMPONENT_CLASS_TYPE_FILTER,                 \
 563                 .methods.filter = {                                     \
 564                         .msg_iter_next = _msg_iter_next_method, \
 565                 },                                                      \
 566         };                                                              \
 567         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
 568
 569 /*
 570  * Defines a sink component class descriptor with a custom ID.
 571  *
 572  * _id:                 ID (any valid C identifier except `auto`).
 573  * _comp_class_id:      Component class ID (C identifier).
 574  * _name:               Component class name (C string).
 575  * _consume_method:     Component class's iterator consume method
 576  *                      (bt_component_class_sink_consume_method).
 577  */
 578 #define BT_PLUGIN_SINK_COMPONENT_CLASS_WITH_ID(_id, _comp_class_id, _name, _consume_method) \
 579         static struct __bt_plugin_component_class_descriptor __bt_plugin_sink_component_class_descriptor_##_id##_##_comp_class_id = { \
 580                 .plugin_descriptor = &__bt_plugin_descriptor_##_id,     \
 581                 .name = _name,                                          \
 582                 .type = BT_COMPONENT_CLASS_TYPE_SINK,                   \
 583                 .methods.sink = {                                       \
 584                         .consume = _consume_method,                     \
 585                 },                                                      \
 586         };                                                              \
 587         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
 588
 589 /*
 590  * Defines a component class descriptor attribute (generic, internal
 591  * use).
 592  *
 593  * _id:            Plugin descriptor ID (C identifier).
 594  * _comp_class_id: Component class ID (C identifier).
 595  * _type:          Component class type (`source`, `filter`, or `sink`).
 596  * _attr_name:     Name of the attribute (C identifier).
 597  * _attr_type:     Type of the attribute
 598  *                 (enum __bt_plugin_descriptor_attribute_type).
 599  * _x:             Value.
 600  */
 601 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(_attr_name, _attr_type, _id, _comp_class_id, _type, _x) \
 602         static struct __bt_plugin_component_class_descriptor_attribute __bt_plugin_##_type##_component_class_descriptor_attribute_##_id##_##_comp_class_id##_##_attr_name = { \
 603                 .comp_class_descriptor = &__bt_plugin_##_type##_component_class_descriptor_##_id##_##_comp_class_id, \
 604                 .type_name = #_attr_name,                               \
 605                 .type = _attr_type,                                     \
 606                 .value._attr_name = _x,                                 \
 607         };                                                              \
 608         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
 609
 610 /*
 611  * Defines a description attribute attached to a specific source
 612  * component class descriptor.
 613  *
 614  * _id:            Plugin descriptor ID (C identifier).
 615  * _comp_class_id: Component class descriptor ID (C identifier).
 616  * _x:             Description (C string).
 617  */
 618 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_DESCRIPTION_WITH_ID(_id, _comp_class_id, _x) \
 619         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(description, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION, _id, _comp_class_id, source, _x)
 620
 621 /*
 622  * Defines a description attribute attached to a specific filter
 623  * component class descriptor.
 624  *
 625  * _id:            Plugin descriptor ID (C identifier).
 626  * _comp_class_id: Component class descriptor ID (C identifier).
 627  * _x:             Description (C string).
 628  */
 629 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_DESCRIPTION_WITH_ID(_id, _comp_class_id, _x) \
 630         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(description, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION, _id, _comp_class_id, filter, _x)
 631
 632 /*
 633  * Defines a description attribute attached to a specific sink
 634  * component class descriptor.
 635  *
 636  * _id:            Plugin descriptor ID (C identifier).
 637  * _comp_class_id: Component class descriptor ID (C identifier).
 638  * _x:             Description (C string).
 639  */
 640 #define BT_PLUGIN_SINK_COMPONENT_CLASS_DESCRIPTION_WITH_ID(_id, _comp_class_id, _x) \
 641         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(description, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION, _id, _comp_class_id, sink, _x)
 642
 643 /*
 644  * Defines a help attribute attached to a specific source component
 645  * class descriptor.
 646  *
 647  * _id:            Plugin descriptor ID (C identifier).
 648  * _comp_class_id: Component class descriptor ID (C identifier).
 649  * _x:             Help (C string).
 650  */
 651 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_HELP_WITH_ID(_id, _comp_class_id, _x) \
 652         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(help, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_HELP, _id, _comp_class_id, source, _x)
 653
 654 /*
 655  * Defines a help attribute attached to a specific filter component
 656  * class descriptor.
 657  *
 658  * _id:            Plugin descriptor ID (C identifier).
 659  * _comp_class_id: Component class descriptor ID (C identifier).
 660  * _x:             Help (C string).
 661  */
 662 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_HELP_WITH_ID(_id, _comp_class_id, _x) \
 663         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(help, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_HELP, _id, _comp_class_id, filter, _x)
 664
 665 /*
 666  * Defines a help attribute attached to a specific sink component class
 667  * descriptor.
 668  *
 669  * _id:            Plugin descriptor ID (C identifier).
 670  * _comp_class_id: Component class descriptor ID (C identifier).
 671  * _x:             Help (C string).
 672  */
 673 #define BT_PLUGIN_SINK_COMPONENT_CLASS_HELP_WITH_ID(_id, _comp_class_id, _x) \
 674         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(help, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_HELP, _id, _comp_class_id, sink, _x)
 675
 676 /*
 677  * Defines an initialization method attribute attached to a specific
 678  * source component class descriptor.
 679  *
 680  * _id:            Plugin descriptor ID (C identifier).
 681  * _comp_class_id: Component class descriptor ID (C identifier).
 682  * _x:             Initialization method (bt_component_class_source_init_method).
 683  */
 684 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_INIT_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 685         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_init_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INIT_METHOD, _id, _comp_class_id, source, _x)
 686
 687 /*
 688  * Defines an initialization method attribute attached to a specific
 689  * filter component class descriptor.
 690  *
 691  * _id:            Plugin descriptor ID (C identifier).
 692  * _comp_class_id: Component class descriptor ID (C identifier).
 693  * _x:             Initialization method (bt_component_class_filter_init_method).
 694  */
 695 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_INIT_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 696         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_init_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INIT_METHOD, _id, _comp_class_id, filter, _x)
 697
 698 /*
 699  * Defines an initialization method attribute attached to a specific
 700  * sink component class descriptor.
 701  *
 702  * _id:            Plugin descriptor ID (C identifier).
 703  * _comp_class_id: Component class descriptor ID (C identifier).
 704  * _x:             Initialization method (bt_component_class_sink_init_method).
 705  */
 706 #define BT_PLUGIN_SINK_COMPONENT_CLASS_INIT_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 707         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(sink_init_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INIT_METHOD, _id, _comp_class_id, sink, _x)
 708
 709 /*
 710  * Defines a finalization method attribute attached to a specific source
 711  * component class descriptor.
 712  *
 713  * _id:            Plugin descriptor ID (C identifier).
 714  * _comp_class_id: Component class descriptor ID (C identifier).
 715  * _x:             Finalize method (bt_component_class_source_finalize_method).
 716  */
 717 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 718         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_finalize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_FINALIZE_METHOD, _id, _comp_class_id, source, _x)
 719
 720 /*
 721  * Defines a finalization method attribute attached to a specific filter
 722  * component class descriptor.
 723  *
 724  * _id:            Plugin descriptor ID (C identifier).
 725  * _comp_class_id: Component class descriptor ID (C identifier).
 726  * _x:             Finalize method (bt_component_class_filter_finalize_method).
 727  */
 728 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 729         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_finalize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_FINALIZE_METHOD, _id, _comp_class_id, filter, _x)
 730
 731 /*
 732  * Defines a finalization method attribute attached to a specific sink
 733  * component class descriptor.
 734  *
 735  * _id:            Plugin descriptor ID (C identifier).
 736  * _comp_class_id: Component class descriptor ID (C identifier).
 737  * _x:             Finalize method (bt_component_class_sink_finalize_method).
 738  */
 739 #define BT_PLUGIN_SINK_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 740         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(sink_finalize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_FINALIZE_METHOD, _id, _comp_class_id, sink, _x)
 741
 742 /*
 743  * Defines a query method attribute attached to a specific source
 744  * component class descriptor.
 745  *
 746  * _id:            Plugin descriptor ID (C identifier).
 747  * _comp_class_id: Component class descriptor ID (C identifier).
 748  * _x:             Finalize method (bt_component_class_source_query_method).
 749  */
 750 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 751         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_query_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_QUERY_METHOD, _id, _comp_class_id, source, _x)
 752
 753 /*
 754  * Defines a query method attribute attached to a specific filter
 755  * component class descriptor.
 756  *
 757  * _id:            Plugin descriptor ID (C identifier).
 758  * _comp_class_id: Component class descriptor ID (C identifier).
 759  * _x:             Finalize method (bt_component_class_filter_query_method).
 760  */
 761 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 762         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_query_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_QUERY_METHOD, _id, _comp_class_id, filter, _x)
 763
 764 /*
 765  * Defines a query method attribute attached to a specific sink
 766  * component class descriptor.
 767  *
 768  * _id:            Plugin descriptor ID (C identifier).
 769  * _comp_class_id: Component class descriptor ID (C identifier).
 770  * _x:             Finalize method (bt_component_class_sink_query_method).
 771  */
 772 #define BT_PLUGIN_SINK_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 773         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(sink_query_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_QUERY_METHOD, _id, _comp_class_id, sink, _x)
 774
 775 /*
 776  * Defines an accept input port connection method attribute attached to
 777  * a specific filter component class descriptor.
 778  *
 779  * _id:            Plugin descriptor ID (C identifier).
 780  * _comp_class_id: Component class descriptor ID (C identifier).
 781  * _x:             Accept port connection method
 782  *                 (bt_component_class_filter_accept_input_port_connection_method).
 783  */
 784 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_ACCEPT_INPUT_PORT_CONNECTION_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 785         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_accept_input_port_connection_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_ACCEPT_INPUT_PORT_CONNECTION_METHOD, _id, _comp_class_id, filter, _x)
 786
 787 /*
 788  * Defines an accept input port connection method attribute attached to
 789  * a specific sink component class descriptor.
 790  *
 791  * _id:            Plugin descriptor ID (C identifier).
 792  * _comp_class_id: Component class descriptor ID (C identifier).
 793  * _x:             Accept port connection method
 794  *                 (bt_component_class_sink_accept_input_port_connection_method).
 795  */
 796 #define BT_PLUGIN_SINK_COMPONENT_CLASS_ACCEPT_INPUT_PORT_CONNECTION_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 797         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(sink_accept_input_port_connection_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_ACCEPT_INPUT_PORT_CONNECTION_METHOD, _id, _comp_class_id, sink, _x)
 798
 799 /*
 800  * Defines an accept output port connection method attribute attached to
 801  * a specific source component class descriptor.
 802  *
 803  * _id:            Plugin descriptor ID (C identifier).
 804  * _comp_class_id: Component class descriptor ID (C identifier).
 805  * _x:             Accept port connection method
 806  *                 (bt_component_class_source_accept_output_port_connection_method).
 807  */
 808 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_ACCEPT_OUTPUT_PORT_CONNECTION_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 809         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_accept_output_port_connection_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_ACCEPT_OUTPUT_PORT_CONNECTION_METHOD, _id, _comp_class_id, source, _x)
 810
 811 /*
 812  * Defines an accept output port connection method attribute attached to
 813  * a specific filter component class descriptor.
 814  *
 815  * _id:            Plugin descriptor ID (C identifier).
 816  * _comp_class_id: Component class descriptor ID (C identifier).
 817  * _x:             Accept port connection method
 818  *                 (bt_component_class_filter_accept_output_port_connection_method).
 819  */
 820 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_ACCEPT_OUTPUT_PORT_CONNECTION_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 821         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_accept_output_port_connection_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_ACCEPT_OUTPUT_PORT_CONNECTION_METHOD, _id, _comp_class_id, filter, _x)
 822
 823 /*
 824  * Defines an input port connected method attribute attached to a
 825  * specific filter component class descriptor.
 826  *
 827  * _id:            Plugin descriptor ID (C identifier).
 828  * _comp_class_id: Component class descriptor ID (C identifier).
 829  * _x:             Port connected method
 830  *                 (bt_component_class_filter_input_port_connected_method).
 831  */
 832 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 833         __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)
 834
 835 /*
 836  * Defines an input port connected method attribute attached to a
 837  * specific sink component class descriptor.
 838  *
 839  * _id:            Plugin descriptor ID (C identifier).
 840  * _comp_class_id: Component class descriptor ID (C identifier).
 841  * _x:             Port connected method
 842  *                 (bt_component_class_sink_input_port_connected_method).
 843  */
 844 #define BT_PLUGIN_SINK_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 845         __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)
 846
 847 /*
 848  * Defines an output port connected method attribute attached to a
 849  * specific source component class descriptor.
 850  *
 851  * _id:            Plugin descriptor ID (C identifier).
 852  * _comp_class_id: Component class descriptor ID (C identifier).
 853  * _x:             Port connected method
 854  *                 (bt_component_class_source_output_port_connected_method).
 855  */
 856 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 857         __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)
 858
 859 /*
 860  * Defines an output port connected method attribute attached to a
 861  * specific filter component class descriptor.
 862  *
 863  * _id:            Plugin descriptor ID (C identifier).
 864  * _comp_class_id: Component class descriptor ID (C identifier).
 865  * _x:             Port connected method
 866  *                 (bt_component_class_filter_output_port_connected_method).
 867  */
 868 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 869         __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)
 870
 871 /*
 872  * Defines an iterator initialization method attribute attached to a
 873  * specific source component class descriptor.
 874  *
 875  * _id:            Plugin descriptor ID (C identifier).
 876  * _comp_class_id: Component class descriptor ID (C identifier).
 877  * _x:             Iterator initialization method
 878  *                 (bt_component_class_source_message_iterator_init_method).
 879  */
 880 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 881         __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)
 882
 883 /*
 884  * Defines an iterator finalize method attribute attached to a specific
 885  * source component class descriptor.
 886  *
 887  * _id:            Plugin descriptor ID (C identifier).
 888  * _comp_class_id: Component class descriptor ID (C identifier).
 889  * _x:             Iterator finalize method
 890  *                 (bt_component_class_source_message_iterator_finalize_method).
 891  */
 892 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 893         __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)
 894
 895 /*
 896  * Defines an iterator "seek nanoseconds from origin" method attribute
 897  * attached to a specific source component class descriptor.
 898  *
 899  * _id:            Plugin descriptor ID (C identifier).
 900  * _comp_class_id: Component class descriptor ID (C identifier).
 901  * _x:             Iterator "seek nanoseconds from origin" method
 902  *                 (bt_component_class_source_message_iterator_seek_ns_from_origin_method).
 903  */
 904 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 905         __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)
 906
 907 /*
 908  * Defines an iterator "seek beginning" method attribute attached to a
 909  * specific source component class descriptor.
 910  *
 911  * _id:            Plugin descriptor ID (C identifier).
 912  * _comp_class_id: Component class descriptor ID (C identifier).
 913  * _x:             Iterator "seek beginning" method
 914  *                 (bt_component_class_source_message_iterator_seek_beginning_method).
 915  */
 916 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 917         __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)
 918
 919 /*
 920  * Defines an iterator "can seek nanoseconds from origin" method
 921  * attribute attached to a specific source component class descriptor.
 922  *
 923  * _id:            Plugin descriptor ID (C identifier).
 924  * _comp_class_id: Component class descriptor ID (C identifier).
 925  * _x:             Iterator "can seek nanoseconds from origin" method
 926  *                 (bt_component_class_source_message_iterator_can_seek_ns_from_origin_method).
 927  */
 928 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 929         __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)
 930
 931 /*
 932  * Defines an iterator "can seek beginning" method attribute attached to a
 933  * specific source component class descriptor.
 934  *
 935  * _id:            Plugin descriptor ID (C identifier).
 936  * _comp_class_id: Component class descriptor ID (C identifier).
 937  * _x:             Iterator "can seek beginning" method
 938  *                 (bt_component_class_source_message_iterator_can_seek_beginning_method).
 939  */
 940 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 941         __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)
 942
 943 /*
 944  * Defines an iterator initialization method attribute attached to a
 945  * specific filter component class descriptor.
 946  *
 947  * _id:            Plugin descriptor ID (C identifier).
 948  * _comp_class_id: Component class descriptor ID (C identifier).
 949  * _x:             Iterator initialization method
 950  *                 (bt_component_class_filter_message_iterator_init_method).
 951  */
 952 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 953         __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)
 954
 955 /*
 956  * Defines an iterator finalize method attribute attached to a specific
 957  * filter component class descriptor.
 958  *
 959  * _id:            Plugin descriptor ID (C identifier).
 960  * _comp_class_id: Component class descriptor ID (C identifier).
 961  * _x:             Iterator finalize method
 962  *                 (bt_component_class_filter_message_iterator_finalize_method).
 963  */
 964 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 965         __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)
 966
 967 /*
 968  * Defines an iterator "seek nanoseconds from origin" method attribute
 969  * attached to a specific filter component class descriptor.
 970  *
 971  * _id:            Plugin descriptor ID (C identifier).
 972  * _comp_class_id: Component class descriptor ID (C identifier).
 973  * _x:             Iterator "seek nanoseconds from origin" method
 974  *                 (bt_component_class_filter_message_iterator_seek_ns_from_origin_method).
 975  */
 976 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 977         __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)
 978
 979 /*
 980  * Defines an iterator "seek beginning" method attribute attached to a
 981  * specific filter component class descriptor.
 982  *
 983  * _id:            Plugin descriptor ID (C identifier).
 984  * _comp_class_id: Component class descriptor ID (C identifier).
 985  * _x:             Iterator "seek beginning" method
 986  *                 (bt_component_class_filter_message_iterator_seek_beginning_method).
 987  */
 988 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 989         __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)
 990
 991 /*
 992  * Defines an iterator "can seek nanoseconds from origin" method
 993  * attribute attached to a specific filter component class descriptor.
 994  *
 995  * _id:            Plugin descriptor ID (C identifier).
 996  * _comp_class_id: Component class descriptor ID (C identifier).
 997  * _x:             Iterator "can seek nanoseconds from origin" method
 998  *                 (bt_component_class_filter_message_iterator_can_seek_ns_from_origin_method).
 999  */
1000 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(_id, _comp_class_id, _x) \
1001         __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)
1002
1003 /*
1004  * Defines an iterator "can seek beginning" method attribute attached to a
1005  * specific filter component class descriptor.
1006  *
1007  * _id:            Plugin descriptor ID (C identifier).
1008  * _comp_class_id: Component class descriptor ID (C identifier).
1009  * _x:             Iterator "can seek beginning" method
1010  *                 (bt_component_class_filter_message_iterator_can_seek_beginning_method).
1011  */
1012 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_METHOD_WITH_ID(_id, _comp_class_id, _x) \
1013         __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)
1014
1015 /*
1016  * Defines a plugin descriptor with an automatic ID.
1017  *
1018  * _name: Plugin's name (C string).
1019  */
1020 #define BT_PLUGIN(_name)                static BT_PLUGIN_WITH_ID(auto, #_name)
1021
1022 /*
1023  * Defines a plugin initialization function attribute attached to the
1024  * automatic plugin descriptor.
1025  *
1026  * _x: Initialization function (bt_plugin_init_func).
1027  */
1028 #define BT_PLUGIN_INIT(_x)              BT_PLUGIN_INIT_WITH_ID(auto, _x)
1029
1030  /*
1031  * Defines a plugin exit function attribute attached to the automatic
1032  * plugin descriptor.
1033  *
1034  * _x: Exit function (bt_plugin_exit_func).
1035  */
1036 #define BT_PLUGIN_EXIT(_x)              BT_PLUGIN_EXIT_WITH_ID(auto, _x)
1037
1038 /*
1039  * Defines an author attribute attached to the automatic plugin
1040  * descriptor.
1041  *
1042  * _x: Author (C string).
1043  */
1044 #define BT_PLUGIN_AUTHOR(_x)            BT_PLUGIN_AUTHOR_WITH_ID(auto, _x)
1045
1046 /*
1047  * Defines a license attribute attached to the automatic plugin
1048  * descriptor.
1049  *
1050  * _x: License (C string).
1051  */
1052 #define BT_PLUGIN_LICENSE(_x)           BT_PLUGIN_LICENSE_WITH_ID(auto, _x)
1053
1054 /*
1055  * Defines a description attribute attached to the automatic plugin
1056  * descriptor.
1057  *
1058  * _x: Description (C string).
1059  */
1060 #define BT_PLUGIN_DESCRIPTION(_x)       BT_PLUGIN_DESCRIPTION_WITH_ID(auto, _x)
1061
1062 /*
1063  * Defines a version attribute attached to the automatic plugin
1064  * descriptor.
1065  *
1066  * _major: Plugin's major version (uint32_t).
1067  * _minor: Plugin's minor version (uint32_t).
1068  * _patch: Plugin's patch version (uint32_t).
1069  * _extra: Plugin's version extra information (C string).
1070  */
1071 #define BT_PLUGIN_VERSION(_major, _minor, _patch, _extra) BT_PLUGIN_VERSION_WITH_ID(auto, _major, _minor, _patch, _extra)
1072
1073 /*
1074  * Defines a source component class attached to the automatic plugin
1075  * descriptor. Its ID is the same as its name, hence its name must be a
1076  * C identifier in this version.
1077  *
1078  * _name:                   Component class name (C identifier).
1079  * _msg_iter_next_method: Component class's iterator next method
1080  *                          (bt_component_class_source_message_iterator_next_method).
1081  */
1082 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS(_name, _msg_iter_next_method) \
1083         BT_PLUGIN_SOURCE_COMPONENT_CLASS_WITH_ID(auto, _name, #_name, _msg_iter_next_method)
1084
1085 /*
1086  * Defines a filter component class attached to the automatic plugin
1087  * descriptor. Its ID is the same as its name, hence its name must be a
1088  * C identifier in this version.
1089  *
1090  * _name:                   Component class name (C identifier).
1091  * _msg_iter_next_method: Component class's iterator next method
1092  *                          (bt_component_class_filter_message_iterator_next_method).
1093  */
1094 #define BT_PLUGIN_FILTER_COMPONENT_CLASS(_name, _msg_iter_next_method) \
1095         BT_PLUGIN_FILTER_COMPONENT_CLASS_WITH_ID(auto, _name, #_name, _msg_iter_next_method)
1096
1097 /*
1098  * Defines a sink component class attached to the automatic plugin
1099  * descriptor. Its ID is the same as its name, hence its name must be a
1100  * C identifier in this version.
1101  *
1102  * _name:           Component class name (C identifier).
1103  * _consume_method: Component class's consume method
1104  *                  (bt_component_class_sink_consume_method).
1105  */
1106 #define BT_PLUGIN_SINK_COMPONENT_CLASS(_name, _consume_method) \
1107         BT_PLUGIN_SINK_COMPONENT_CLASS_WITH_ID(auto, _name, #_name, _consume_method)
1108
1109 /*
1110  * Defines a description attribute attached to a source 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_SOURCE_COMPONENT_CLASS_DESCRIPTION(_name, _x) \
1117         BT_PLUGIN_SOURCE_COMPONENT_CLASS_DESCRIPTION_WITH_ID(auto, _name, _x)
1118
1119 /*
1120  * Defines a description attribute attached to a filter 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_FILTER_COMPONENT_CLASS_DESCRIPTION(_name, _x) \
1127         BT_PLUGIN_FILTER_COMPONENT_CLASS_DESCRIPTION_WITH_ID(auto, _name, _x)
1128
1129 /*
1130  * Defines a description attribute attached to a sink component class
1131  * descriptor which is attached to the automatic plugin descriptor.
1132  *
1133  * _name: Component class name (C identifier).
1134  * _x:    Description (C string).
1135  */
1136 #define BT_PLUGIN_SINK_COMPONENT_CLASS_DESCRIPTION(_name, _x) \
1137         BT_PLUGIN_SINK_COMPONENT_CLASS_DESCRIPTION_WITH_ID(auto, _name, _x)
1138
1139 /*
1140  * Defines a help attribute attached to a source 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_SOURCE_COMPONENT_CLASS_HELP(_name, _x) \
1147         BT_PLUGIN_SOURCE_COMPONENT_CLASS_HELP_WITH_ID(auto, _name, _x)
1148
1149 /*
1150  * Defines a help attribute attached to a filter 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_FILTER_COMPONENT_CLASS_HELP(_name, _x) \
1157         BT_PLUGIN_FILTER_COMPONENT_CLASS_HELP_WITH_ID(auto, _name, _x)
1158
1159 /*
1160  * Defines a help attribute attached to a sink component class
1161  * descriptor which is attached to the automatic plugin descriptor.
1162  *
1163  * _name: Component class name (C identifier).
1164  * _x:    Help (C string).
1165  */
1166 #define BT_PLUGIN_SINK_COMPONENT_CLASS_HELP(_name, _x) \
1167         BT_PLUGIN_SINK_COMPONENT_CLASS_HELP_WITH_ID(auto, _name, _x)
1168
1169 /*
1170  * Defines an initialization method attribute attached to a source
1171  * component class descriptor which is attached to the automatic plugin
1172  * descriptor.
1173  *
1174  * _name: Component class name (C identifier).
1175  * _x:    Initialization method (bt_component_class_source_init_method).
1176  */
1177 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_INIT_METHOD(_name, _x) \
1178         BT_PLUGIN_SOURCE_COMPONENT_CLASS_INIT_METHOD_WITH_ID(auto, _name, _x)
1179
1180 /*
1181  * Defines an initialization method attribute attached to a filter
1182  * component class descriptor which is attached to the automatic plugin
1183  * descriptor.
1184  *
1185  * _name: Component class name (C identifier).
1186  * _x:    Initialization method (bt_component_class_filter_init_method).
1187  */
1188 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_INIT_METHOD(_name, _x) \
1189         BT_PLUGIN_FILTER_COMPONENT_CLASS_INIT_METHOD_WITH_ID(auto, _name, _x)
1190
1191 /*
1192  * Defines an initialization method attribute attached to a sink
1193  * component class descriptor which is attached to the automatic plugin
1194  * descriptor.
1195  *
1196  * _name: Component class name (C identifier).
1197  * _x:    Initialization method (bt_component_class_sink_init_method).
1198  */
1199 #define BT_PLUGIN_SINK_COMPONENT_CLASS_INIT_METHOD(_name, _x) \
1200         BT_PLUGIN_SINK_COMPONENT_CLASS_INIT_METHOD_WITH_ID(auto, _name, _x)
1201
1202 /*
1203  * Defines a finalization method attribute attached to a source component
1204  * class descriptor which is attached to the automatic plugin
1205  * descriptor.
1206  *
1207  * _name: Component class name (C identifier).
1208  * _x:    Initialization method (bt_component_class_source_finalize_method).
1209  */
1210 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_FINALIZE_METHOD(_name, _x) \
1211         BT_PLUGIN_SOURCE_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(auto, _name, _x)
1212
1213 /*
1214  * Defines a finalization method attribute attached to a filter component
1215  * class descriptor which is attached to the automatic plugin
1216  * descriptor.
1217  *
1218  * _name: Component class name (C identifier).
1219  * _x:    Initialization method (bt_component_class_filter_finalize_method).
1220  */
1221 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_FINALIZE_METHOD(_name, _x) \
1222         BT_PLUGIN_FILTER_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(auto, _name, _x)
1223
1224 /*
1225  * Defines a finalization method attribute attached to a sink component class
1226  * descriptor which is attached to the automatic plugin descriptor.
1227  *
1228  * _name: Component class name (C identifier).
1229  * _x:    Initialization method (bt_component_class_sink_finalize_method).
1230  */
1231 #define BT_PLUGIN_SINK_COMPONENT_CLASS_FINALIZE_METHOD(_name, _x) \
1232         BT_PLUGIN_SINK_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(auto, _name, _x)
1233
1234 /*
1235  * Defines a query method attribute attached to a source component
1236  * class descriptor which is attached to the automatic plugin
1237  * descriptor.
1238  *
1239  * _name: Component class name (C identifier).
1240  * _x:    Initialization method (bt_component_class_source_query_method).
1241  */
1242 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_QUERY_METHOD(_name, _x) \
1243         BT_PLUGIN_SOURCE_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(auto, _name, _x)
1244
1245 /*
1246  * Defines a query method attribute attached to a filter component
1247  * class descriptor which is attached to the automatic plugin
1248  * descriptor.
1249  *
1250  * _name: Component class name (C identifier).
1251  * _x:    Initialization method (bt_component_class_filter_query_method).
1252  */
1253 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_QUERY_METHOD(_name, _x) \
1254         BT_PLUGIN_FILTER_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(auto, _name, _x)
1255
1256 /*
1257  * Defines a query method attribute attached to a sink component
1258  * class descriptor which is attached to the automatic plugin
1259  * descriptor.
1260  *
1261  * _name: Component class name (C identifier).
1262  * _x:    Initialization method (bt_component_class_sink_query_method).
1263  */
1264 #define BT_PLUGIN_SINK_COMPONENT_CLASS_QUERY_METHOD(_name, _x) \
1265         BT_PLUGIN_SINK_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(auto, _name, _x)
1266
1267 /*
1268  * Defines an accept input port connection method attribute attached to
1269  * a filter component class descriptor which is attached to the
1270  * automatic plugin descriptor.
1271  *
1272  * _name: Component class name (C identifier).
1273  * _x:    Accept port connection method
1274  *        (bt_component_class_filter_accept_input_port_connection_method).
1275  */
1276 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_ACCEPT_INPUT_PORT_CONNECTION_METHOD(_name, _x) \
1277         BT_PLUGIN_FILTER_COMPONENT_CLASS_ACCEPT_INPUT_PORT_CONNECTION_METHOD_WITH_ID(auto, _name, _x)
1278
1279 /*
1280  * Defines an accept input port connection method attribute attached to
1281  * a sink component class descriptor which is attached to the automatic
1282  * plugin descriptor.
1283  *
1284  * _name: Component class name (C identifier).
1285  * _x:    Accept port connection method
1286  *        (bt_component_class_sink_accept_input_port_connection_method).
1287  */
1288 #define BT_PLUGIN_SINK_COMPONENT_CLASS_ACCEPT_INPUT_PORT_CONNECTION_METHOD(_name, _x) \
1289         BT_PLUGIN_SINK_COMPONENT_CLASS_ACCEPT_INPUT_PORT_CONNECTION_METHOD_WITH_ID(auto, _name, _x)
1290
1291 /*
1292  * Defines an accept output port connection method attribute attached to
1293  * a source component class descriptor which is attached to the
1294  * automatic plugin descriptor.
1295  *
1296  * _name: Component class name (C identifier).
1297  * _x:    Accept port connection method
1298  *        (bt_component_class_source_accept_output_port_connection_method).
1299  */
1300 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_ACCEPT_OUTPUT_PORT_CONNECTION_METHOD(_name, _x) \
1301         BT_PLUGIN_SOURCE_COMPONENT_CLASS_ACCEPT_OUTPUT_PORT_CONNECTION_METHOD_WITH_ID(auto, _name, _x)
1302
1303 /*
1304  * Defines an accept output port connection method attribute attached to
1305  * a filter component class descriptor which is attached to the
1306  * automatic plugin descriptor.
1307  *
1308  * _name: Component class name (C identifier).
1309  * _x:    Accept port connection method
1310  *        (bt_component_class_filter_accept_output_port_connection_method).
1311  */
1312 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_ACCEPT_OUTPUT_PORT_CONNECTION_METHOD(_name, _x) \
1313         BT_PLUGIN_FILTER_COMPONENT_CLASS_ACCEPT_OUTPUT_PORT_CONNECTION_METHOD_WITH_ID(auto, _name, _x)
1314
1315 /*
1316  * Defines an input port connected method attribute attached to a filter
1317  * component class descriptor which is attached to the automatic plugin
1318  * descriptor.
1319  *
1320  * _name: Component class name (C identifier).
1321  * _x:    Port connected (bt_component_class_filter_input_port_connected_method).
1322  */
1323 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD(_name, _x) \
1324         BT_PLUGIN_FILTER_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD_WITH_ID(auto, _name, _x)
1325
1326 /*
1327  * Defines an input port connected method attribute attached to a sink
1328  * component class descriptor which is attached to the automatic plugin
1329  * descriptor.
1330  *
1331  * _name: Component class name (C identifier).
1332  * _x:    Port connected (bt_component_class_sink_input_port_connected_method).
1333  */
1334 #define BT_PLUGIN_SINK_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD(_name, _x) \
1335         BT_PLUGIN_SINK_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD_WITH_ID(auto, _name, _x)
1336
1337 /*
1338  * Defines an output port connected method attribute attached to a source
1339  * component class descriptor which is attached to the automatic plugin
1340  * descriptor.
1341  *
1342  * _name: Component class name (C identifier).
1343  * _x:    Port connected (bt_component_class_source_output_port_connected_method).
1344  */
1345 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD(_name, _x) \
1346         BT_PLUGIN_SOURCE_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD_WITH_ID(auto, _name, _x)
1347
1348 /*
1349  * Defines an output port connected method attribute attached to a filter
1350  * component class descriptor which is attached to the automatic plugin
1351  * descriptor.
1352  *
1353  * _name: Component class name (C identifier).
1354  * _x:    Port connected (bt_component_class_filter_output_port_connected_method).
1355  */
1356 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD(_name, _x) \
1357         BT_PLUGIN_FILTER_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD_WITH_ID(auto, _name, _x)
1358
1359 /*
1360  * Defines an iterator initialization method attribute attached to a
1361  * source component class descriptor which is attached to the automatic
1362  * plugin descriptor.
1363  *
1364  * _name: Component class name (C identifier).
1365  * _x:    Iterator initialization method
1366  *        (bt_component_class_source_message_iterator_init_method).
1367  */
1368 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD(_name, _x) \
1369         BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_WITH_ID(auto, _name, _x)
1370
1371 /*
1372  * Defines an iterator finalize method attribute attached to a source
1373  * component class descriptor which is attached to the automatic plugin
1374  * descriptor.
1375  *
1376  * _name: Component class name (C identifier).
1377  * _x:    Iterator finalize method
1378  *        (bt_component_class_source_message_iterator_finalize_method).
1379  */
1380 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD(_name, _x) \
1381         BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD_WITH_ID(auto, _name, _x)
1382
1383 /*
1384  * Defines an iterator "seek nanoseconds from origin" method attribute
1385  * attached to a source component class descriptor which is attached to
1386  * the automatic plugin descriptor.
1387  *
1388  * _name: Component class name (C identifier).
1389  * _x:    Iterator "seek nanoseconds from origin" method
1390  *        (bt_component_class_source_message_iterator_seek_ns_from_origin_method).
1391  */
1392 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_METHOD(_name, _x) \
1393         BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(auto, _name, _x)
1394
1395 /*
1396  * Defines an iterator "seek beginning" method attribute
1397  * attached to a source component class descriptor which is attached to
1398  * the automatic plugin descriptor.
1399  *
1400  * _name: Component class name (C identifier).
1401  * _x:    Iterator "seek beginning" method
1402  *        (bt_component_class_source_message_iterator_seek_beginning_method).
1403  */
1404 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD(_name, _x) \
1405         BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_WITH_ID(auto, _name, _x)
1406
1407 /*
1408  * Defines an iterator "can seek nanoseconds from origin" method
1409  * attribute attached to a source component class descriptor which is
1410  * attached to the automatic plugin descriptor.
1411  *
1412  * _name: Component class name (C identifier).
1413  * _x:    Iterator "can seek nanoseconds from origin" method
1414  *        (bt_component_class_source_message_iterator_can_seek_ns_from_origin_method).
1415  */
1416 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_NS_FROM_ORIGIN_METHOD(_name, _x) \
1417         BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(auto, _name, _x)
1418
1419 /*
1420  * Defines an iterator "can seek beginning" method attribute
1421  * attached to a source component class descriptor which is attached to
1422  * the automatic plugin descriptor.
1423  *
1424  * _name: Component class name (C identifier).
1425  * _x:    Iterator "can seek beginning" method
1426  *        (bt_component_class_source_message_iterator_can_seek_beginning_method).
1427  */
1428 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_METHOD(_name, _x) \
1429         BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_METHOD_WITH_ID(auto, _name, _x)
1430
1431 /*
1432  * Defines an iterator initialization method attribute attached to a
1433  * filter component class descriptor which is attached to the automatic
1434  * plugin descriptor.
1435  *
1436  * _name: Component class name (C identifier).
1437  * _x:    Iterator initialization method
1438  *        (bt_component_class_filter_message_iterator_init_method).
1439  */
1440 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD(_name, _x) \
1441         BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_WITH_ID(auto, _name, _x)
1442
1443 /*
1444  * Defines an iterator finalize method attribute attached to a filter
1445  * component class descriptor which is attached to the automatic plugin
1446  * descriptor.
1447  *
1448  * _name: Component class name (C identifier).
1449  * _x:    Iterator finalize method
1450  *        (bt_component_class_filter_message_iterator_finalize_method).
1451  */
1452 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD(_name, _x) \
1453         BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD_WITH_ID(auto, _name, _x)
1454
1455 /*
1456  * Defines an iterator "seek nanoseconds from origin" method attribute
1457  * attached to a filter component class descriptor which is attached to
1458  * the automatic plugin descriptor.
1459  *
1460  * _name: Component class name (C identifier).
1461  * _x:    Iterator "seek nanoseconds from origin" method
1462  *        (bt_component_class_filter_message_iterator_seek_ns_from_origin_method).
1463  */
1464 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_METHOD(_name, _x) \
1465         BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(auto, _name, _x)
1466
1467 /*
1468  * Defines an iterator "seek beginning" method attribute
1469  * attached to a filter component class descriptor which is attached to
1470  * the automatic plugin descriptor.
1471  *
1472  * _name: Component class name (C identifier).
1473  * _x:    Iterator "seek beginning" method
1474  *        (bt_component_class_filter_message_iterator_seek_beginning_method).
1475  */
1476 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD(_name, _x) \
1477         BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_WITH_ID(auto, _name, _x)
1478
1479 /*
1480  * Defines an iterator "can seek nanoseconds from origin" method
1481  * attribute attached to a filter component class descriptor which is
1482  * attached to the automatic plugin descriptor.
1483  *
1484  * _name: Component class name (C identifier).
1485  * _x:    Iterator "can seek nanoseconds from origin" method
1486  *        (bt_component_class_filter_message_iterator_can_seek_ns_from_origin_method).
1487  */
1488 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_NS_FROM_ORIGIN_METHOD(_name, _x) \
1489         BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(auto, _name, _x)
1490
1491 /*
1492  * Defines an iterator "can seek beginning" method attribute
1493  * attached to a filter component class descriptor which is attached to
1494  * the automatic plugin descriptor.
1495  *
1496  * _name: Component class name (C identifier).
1497  * _x:    Iterator "can seek beginning" method
1498  *        (bt_component_class_filter_message_iterator_can_seek_beginning_method).
1499  */
1500 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_METHOD(_name, _x) \
1501         BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_METHOD_WITH_ID(auto, _name, _x)
1502
1503 #define BT_PLUGIN_MODULE() \
1504         static struct __bt_plugin_descriptor const * const __bt_plugin_descriptor_dummy __BT_PLUGIN_DESCRIPTOR_ATTRS = NULL; \
1505         _BT_HIDDEN extern struct __bt_plugin_descriptor const *__BT_PLUGIN_DESCRIPTOR_BEGIN_SYMBOL __BT_PLUGIN_DESCRIPTOR_BEGIN_EXTRA; \
1506         _BT_HIDDEN extern struct __bt_plugin_descriptor const *__BT_PLUGIN_DESCRIPTOR_END_SYMBOL __BT_PLUGIN_DESCRIPTOR_END_EXTRA; \
1507         \
1508         static struct __bt_plugin_descriptor_attribute const * const __bt_plugin_descriptor_attribute_dummy __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_ATTRS = NULL; \
1509         _BT_HIDDEN extern struct __bt_plugin_descriptor_attribute const *__BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA; \
1510         _BT_HIDDEN extern struct __bt_plugin_descriptor_attribute const *__BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_SYMBOL __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_EXTRA; \
1511         \
1512         static struct __bt_plugin_component_class_descriptor const * const __bt_plugin_component_class_descriptor_dummy __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRS = NULL; \
1513         _BT_HIDDEN extern struct __bt_plugin_component_class_descriptor const *__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_SYMBOL __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_EXTRA; \
1514         _BT_HIDDEN extern struct __bt_plugin_component_class_descriptor const *__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_SYMBOL __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_EXTRA; \
1515         \
1516         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; \
1517         _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; \
1518         _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; \
1519         \
1520         struct __bt_plugin_descriptor const * const *__bt_get_begin_section_plugin_descriptors(void) \
1521         { \
1522                 return &__BT_PLUGIN_DESCRIPTOR_BEGIN_SYMBOL; \
1523         } \
1524         struct __bt_plugin_descriptor const * const *__bt_get_end_section_plugin_descriptors(void) \
1525         { \
1526                 return &__BT_PLUGIN_DESCRIPTOR_END_SYMBOL; \
1527         } \
1528         struct __bt_plugin_descriptor_attribute const * const *__bt_get_begin_section_plugin_descriptor_attributes(void) \
1529         { \
1530                 return &__BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL; \
1531         } \
1532         struct __bt_plugin_descriptor_attribute const * const *__bt_get_end_section_plugin_descriptor_attributes(void) \
1533         { \
1534                 return &__BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_SYMBOL; \
1535         } \
1536         struct __bt_plugin_component_class_descriptor const * const *__bt_get_begin_section_component_class_descriptors(void) \
1537         { \
1538                 return &__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_SYMBOL; \
1539         } \
1540         struct __bt_plugin_component_class_descriptor const * const *__bt_get_end_section_component_class_descriptors(void) \
1541         { \
1542                 return &__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_SYMBOL; \
1543         } \
1544         struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_begin_section_component_class_descriptor_attributes(void) \
1545         { \
1546                 return &__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL; \
1547         } \
1548         struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_end_section_component_class_descriptor_attributes(void) \
1549         { \
1550                 return &__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_SYMBOL; \
1551         }
1552
1553 #ifdef __cplusplus
1554 }
1555 #endif
1556
1557 #endif /* BABELTRACE_PLUGIN_PLUGIN_DEV_H */