2 * SPDX-License-Identifier: MIT
4 * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
5 * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 #define BT_LOG_TAG "LIB/STREAM-CLASS"
9 #include "lib/logging.h"
11 #include "lib/assert-cond.h"
12 #include <babeltrace2/trace-ir/trace.h>
13 #include "compat/compiler.h"
14 #include "common/align.h"
15 #include "compat/endian.h"
16 #include "common/assert.h"
17 #include "lib/property.h"
22 #include "clock-class.h"
23 #include "event-class.h"
24 #include "field-class.h"
26 #include "field-wrapper.h"
27 #include "resolve-field-path.h"
28 #include "stream-class.h"
31 #include "lib/value.h"
32 #include "lib/func-status.h"
34 #define BT_ASSERT_PRE_DEV_STREAM_CLASS_HOT(_sc) \
35 BT_ASSERT_PRE_DEV_HOT((_sc), "Stream class", ": %!+S", (_sc))
38 void destroy_stream_class(struct bt_object
*obj
)
40 struct bt_stream_class
*stream_class
= (void *) obj
;
42 BT_LIB_LOGD("Destroying stream class: %!+S", stream_class
);
43 BT_LOGD_STR("Putting default clock class.");
44 BT_OBJECT_PUT_REF_AND_RESET(stream_class
->user_attributes
);
45 BT_OBJECT_PUT_REF_AND_RESET(stream_class
->default_clock_class
);
47 if (stream_class
->event_classes
) {
48 BT_LOGD_STR("Destroying event classes.");
49 g_ptr_array_free(stream_class
->event_classes
, TRUE
);
50 stream_class
->event_classes
= NULL
;
53 if (stream_class
->name
.str
) {
54 g_string_free(stream_class
->name
.str
, TRUE
);
55 stream_class
->name
.str
= NULL
;
56 stream_class
->name
.value
= NULL
;
59 BT_LOGD_STR("Putting packet context field class.");
60 BT_OBJECT_PUT_REF_AND_RESET(stream_class
->packet_context_fc
);
61 BT_LOGD_STR("Putting event common context field class.");
62 BT_OBJECT_PUT_REF_AND_RESET(stream_class
->event_common_context_fc
);
63 bt_object_pool_finalize(&stream_class
->packet_context_field_pool
);
68 void free_field_wrapper(struct bt_field_wrapper
*field_wrapper
,
69 struct bt_stream_class
*stream_class
)
71 bt_field_wrapper_destroy((void *) field_wrapper
);
75 bool stream_class_id_is_unique(const struct bt_trace_class
*tc
, uint64_t id
)
78 bool is_unique
= true;
80 for (i
= 0; i
< tc
->stream_classes
->len
; i
++) {
81 const struct bt_stream_class
*sc
=
82 tc
->stream_classes
->pdata
[i
];
95 struct bt_stream_class
*create_stream_class_with_id(
96 struct bt_trace_class
*tc
, uint64_t id
)
98 struct bt_stream_class
*stream_class
= NULL
;
102 BT_ASSERT_PRE(stream_class_id_is_unique(tc
, id
),
103 "Duplicate stream class ID: %![tc-]+T, id=%" PRIu64
, tc
, id
);
104 BT_LIB_LOGD("Creating stream class object: %![tc-]+T, id=%" PRIu64
,
106 stream_class
= g_new0(struct bt_stream_class
, 1);
108 BT_LIB_LOGE_APPEND_CAUSE(
109 "Failed to allocate one stream class.");
113 bt_object_init_shared_with_parent(&stream_class
->base
,
114 destroy_stream_class
);
115 stream_class
->user_attributes
= bt_value_map_create();
116 if (!stream_class
->user_attributes
) {
117 BT_LIB_LOGE_APPEND_CAUSE(
118 "Failed to create a map value object.");
122 stream_class
->name
.str
= g_string_new(NULL
);
123 if (!stream_class
->name
.str
) {
124 BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate a GString.");
128 stream_class
->id
= id
;
129 stream_class
->assigns_automatic_event_class_id
= true;
130 stream_class
->assigns_automatic_stream_id
= true;
131 stream_class
->event_classes
= g_ptr_array_new_with_free_func(
132 (GDestroyNotify
) bt_object_try_spec_release
);
133 if (!stream_class
->event_classes
) {
134 BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate a GPtrArray.");
138 ret
= bt_object_pool_initialize(&stream_class
->packet_context_field_pool
,
139 (bt_object_pool_new_object_func
) bt_field_wrapper_new
,
140 (bt_object_pool_destroy_object_func
) free_field_wrapper
,
143 BT_LIB_LOGE_APPEND_CAUSE(
144 "Failed to initialize packet context field pool: ret=%d",
149 bt_object_set_parent(&stream_class
->base
, &tc
->base
);
150 g_ptr_array_add(tc
->stream_classes
, stream_class
);
151 bt_trace_class_freeze(tc
);
152 BT_LIB_LOGD("Created stream class object: %!+S", stream_class
);
156 BT_OBJECT_PUT_REF_AND_RESET(stream_class
);
162 struct bt_stream_class
*bt_stream_class_create(struct bt_trace_class
*tc
)
164 BT_ASSERT_PRE_NO_ERROR();
165 BT_ASSERT_PRE_NON_NULL(tc
, "Trace class");
166 BT_ASSERT_PRE(tc
->assigns_automatic_stream_class_id
,
167 "Trace class does not automatically assigns stream class IDs: "
169 return create_stream_class_with_id(tc
,
170 (uint64_t) tc
->stream_classes
->len
);
173 struct bt_stream_class
*bt_stream_class_create_with_id(
174 struct bt_trace_class
*tc
, uint64_t id
)
176 BT_ASSERT_PRE_NO_ERROR();
177 BT_ASSERT_PRE_NON_NULL(tc
, "Trace class");
178 BT_ASSERT_PRE(!tc
->assigns_automatic_stream_class_id
,
179 "Trace class automatically assigns stream class IDs: "
181 return create_stream_class_with_id(tc
, id
);
184 struct bt_trace_class
*bt_stream_class_borrow_trace_class(
185 struct bt_stream_class
*stream_class
)
187 BT_ASSERT_PRE_DEV_NON_NULL(stream_class
, "Stream class");
188 return bt_stream_class_borrow_trace_class_inline(stream_class
);
191 const struct bt_trace_class
*bt_stream_class_borrow_trace_class_const(
192 const struct bt_stream_class
*stream_class
)
194 return bt_stream_class_borrow_trace_class((void *) stream_class
);
197 const char *bt_stream_class_get_name(const struct bt_stream_class
*stream_class
)
199 BT_ASSERT_PRE_DEV_NON_NULL(stream_class
, "Stream class");
200 return stream_class
->name
.value
;
203 enum bt_stream_class_set_name_status
bt_stream_class_set_name(
204 struct bt_stream_class
*stream_class
,
207 BT_ASSERT_PRE_NO_ERROR();
208 BT_ASSERT_PRE_NON_NULL(stream_class
, "Stream class");
209 BT_ASSERT_PRE_NON_NULL(name
, "Name");
210 BT_ASSERT_PRE_DEV_STREAM_CLASS_HOT(stream_class
);
211 g_string_assign(stream_class
->name
.str
, name
);
212 stream_class
->name
.value
= stream_class
->name
.str
->str
;
213 BT_LIB_LOGD("Set stream class's name: %!+S", stream_class
);
214 return BT_FUNC_STATUS_OK
;
217 uint64_t bt_stream_class_get_id(const struct bt_stream_class
*stream_class
)
219 BT_ASSERT_PRE_DEV_NON_NULL(stream_class
, "Stream class");
220 return stream_class
->id
;
223 uint64_t bt_stream_class_get_event_class_count(
224 const struct bt_stream_class
*stream_class
)
226 BT_ASSERT_PRE_DEV_NON_NULL(stream_class
, "Stream class");
227 return (uint64_t) stream_class
->event_classes
->len
;
230 struct bt_event_class
*bt_stream_class_borrow_event_class_by_index(
231 struct bt_stream_class
*stream_class
, uint64_t index
)
233 BT_ASSERT_PRE_DEV_NON_NULL(stream_class
, "Stream class");
234 BT_ASSERT_PRE_DEV_VALID_INDEX(index
, stream_class
->event_classes
->len
);
235 return g_ptr_array_index(stream_class
->event_classes
, index
);
238 const struct bt_event_class
*
239 bt_stream_class_borrow_event_class_by_index_const(
240 const struct bt_stream_class
*stream_class
, uint64_t index
)
242 return bt_stream_class_borrow_event_class_by_index(
243 (void *) stream_class
, index
);
246 struct bt_event_class
*bt_stream_class_borrow_event_class_by_id(
247 struct bt_stream_class
*stream_class
, uint64_t id
)
249 struct bt_event_class
*event_class
= NULL
;
252 BT_ASSERT_PRE_DEV_NON_NULL(stream_class
, "Stream class");
254 for (i
= 0; i
< stream_class
->event_classes
->len
; i
++) {
255 struct bt_event_class
*event_class_candidate
=
256 g_ptr_array_index(stream_class
->event_classes
, i
);
258 if (event_class_candidate
->id
== id
) {
259 event_class
= event_class_candidate
;
268 const struct bt_event_class
*
269 bt_stream_class_borrow_event_class_by_id_const(
270 const struct bt_stream_class
*stream_class
, uint64_t id
)
272 return bt_stream_class_borrow_event_class_by_id(
273 (void *) stream_class
, id
);
276 const struct bt_field_class
*
277 bt_stream_class_borrow_packet_context_field_class_const(
278 const struct bt_stream_class
*stream_class
)
280 BT_ASSERT_PRE_DEV_NON_NULL(stream_class
, "Stream class");
281 return stream_class
->packet_context_fc
;
284 struct bt_field_class
*
285 bt_stream_class_borrow_packet_context_field_class(
286 struct bt_stream_class
*stream_class
)
288 BT_ASSERT_PRE_DEV_NON_NULL(stream_class
, "Stream class");
289 return stream_class
->packet_context_fc
;
292 enum bt_stream_class_set_field_class_status
293 bt_stream_class_set_packet_context_field_class(
294 struct bt_stream_class
*stream_class
,
295 struct bt_field_class
*field_class
)
298 struct bt_resolve_field_path_context resolve_ctx
= {
299 .packet_context
= field_class
,
300 .event_common_context
= NULL
,
301 .event_specific_context
= NULL
,
302 .event_payload
= NULL
,
305 BT_ASSERT_PRE_NO_ERROR();
306 BT_ASSERT_PRE_NON_NULL(stream_class
, "Stream class");
307 BT_ASSERT_PRE(stream_class
->supports_packets
,
308 "Stream class does not support packets: %![sc-]+S",
310 BT_ASSERT_PRE_NON_NULL(field_class
, "Field class");
311 BT_ASSERT_PRE_DEV_STREAM_CLASS_HOT(stream_class
);
312 BT_ASSERT_PRE(bt_field_class_get_type(field_class
) ==
313 BT_FIELD_CLASS_TYPE_STRUCTURE
,
314 "Packet context field class is not a structure field class: %!+F",
316 ret
= bt_resolve_field_paths(field_class
, &resolve_ctx
);
319 * This is the only reason for which
320 * bt_resolve_field_paths() can fail: anything else
321 * would be because a precondition is not satisfied.
323 ret
= BT_FUNC_STATUS_MEMORY_ERROR
;
327 bt_field_class_make_part_of_trace_class(field_class
);
328 bt_object_put_ref(stream_class
->packet_context_fc
);
329 stream_class
->packet_context_fc
= field_class
;
330 bt_object_get_ref_no_null_check(stream_class
->packet_context_fc
);
331 bt_field_class_freeze(field_class
);
332 BT_LIB_LOGD("Set stream class's packet context field class: %!+S",
339 const struct bt_field_class
*
340 bt_stream_class_borrow_event_common_context_field_class_const(
341 const struct bt_stream_class
*stream_class
)
343 BT_ASSERT_PRE_DEV_NON_NULL(stream_class
, "Stream class");
344 return stream_class
->event_common_context_fc
;
347 struct bt_field_class
*
348 bt_stream_class_borrow_event_common_context_field_class(
349 struct bt_stream_class
*stream_class
)
351 BT_ASSERT_PRE_DEV_NON_NULL(stream_class
, "Stream class");
352 return stream_class
->event_common_context_fc
;
355 enum bt_stream_class_set_field_class_status
356 bt_stream_class_set_event_common_context_field_class(
357 struct bt_stream_class
*stream_class
,
358 struct bt_field_class
*field_class
)
361 struct bt_resolve_field_path_context resolve_ctx
= {
362 .packet_context
= NULL
,
363 .event_common_context
= field_class
,
364 .event_specific_context
= NULL
,
365 .event_payload
= NULL
,
368 BT_ASSERT_PRE_NO_ERROR();
369 BT_ASSERT_PRE_NON_NULL(stream_class
, "Stream class");
370 BT_ASSERT_PRE_NON_NULL(field_class
, "Field class");
371 BT_ASSERT_PRE_DEV_STREAM_CLASS_HOT(stream_class
);
372 BT_ASSERT_PRE(bt_field_class_get_type(field_class
) ==
373 BT_FIELD_CLASS_TYPE_STRUCTURE
,
374 "Event common context field class is not a structure field class: %!+F",
376 resolve_ctx
.packet_context
= stream_class
->packet_context_fc
;
377 ret
= bt_resolve_field_paths(field_class
, &resolve_ctx
);
380 * This is the only reason for which
381 * bt_resolve_field_paths() can fail: anything else
382 * would be because a precondition is not satisfied.
384 ret
= BT_FUNC_STATUS_MEMORY_ERROR
;
388 bt_field_class_make_part_of_trace_class(field_class
);
389 bt_object_put_ref(stream_class
->event_common_context_fc
);
390 stream_class
->event_common_context_fc
= field_class
;
391 bt_object_get_ref_no_null_check(stream_class
->event_common_context_fc
);
392 bt_field_class_freeze(field_class
);
393 BT_LIB_LOGD("Set stream class's event common context field class: %!+S",
401 void _bt_stream_class_freeze(const struct bt_stream_class
*stream_class
)
403 /* The field classes and default clock class are already frozen */
404 BT_ASSERT(stream_class
);
405 BT_LIB_LOGD("Freezing stream class's user attributes: %!+v",
406 stream_class
->user_attributes
);
407 bt_value_freeze(stream_class
->user_attributes
);
408 BT_LIB_LOGD("Freezing stream class: %!+S", stream_class
);
409 ((struct bt_stream_class
*) stream_class
)->frozen
= true;
412 enum bt_stream_class_set_default_clock_class_status
413 bt_stream_class_set_default_clock_class(
414 struct bt_stream_class
*stream_class
,
415 struct bt_clock_class
*clock_class
)
417 BT_ASSERT_PRE_NO_ERROR();
418 BT_ASSERT_PRE_NON_NULL(stream_class
, "Stream class");
419 BT_ASSERT_PRE_NON_NULL(clock_class
, "Clock class");
420 BT_ASSERT_PRE_DEV_STREAM_CLASS_HOT(stream_class
);
421 bt_object_put_ref(stream_class
->default_clock_class
);
422 stream_class
->default_clock_class
= clock_class
;
423 bt_object_get_ref_no_null_check(stream_class
->default_clock_class
);
424 bt_clock_class_freeze(clock_class
);
425 BT_LIB_LOGD("Set stream class's default clock class: %!+S",
427 return BT_FUNC_STATUS_OK
;
430 struct bt_clock_class
*bt_stream_class_borrow_default_clock_class(
431 struct bt_stream_class
*stream_class
)
433 BT_ASSERT_PRE_DEV_NON_NULL(stream_class
, "Stream class");
434 return stream_class
->default_clock_class
;
437 const struct bt_clock_class
*bt_stream_class_borrow_default_clock_class_const(
438 const struct bt_stream_class
*stream_class
)
440 BT_ASSERT_PRE_DEV_NON_NULL(stream_class
, "Stream class");
441 return stream_class
->default_clock_class
;
444 bt_bool
bt_stream_class_assigns_automatic_event_class_id(
445 const struct bt_stream_class
*stream_class
)
447 BT_ASSERT_PRE_DEV_NON_NULL(stream_class
, "Stream class");
448 return (bt_bool
) stream_class
->assigns_automatic_event_class_id
;
451 void bt_stream_class_set_assigns_automatic_event_class_id(
452 struct bt_stream_class
*stream_class
,
455 BT_ASSERT_PRE_NON_NULL(stream_class
, "Stream class");
456 BT_ASSERT_PRE_DEV_STREAM_CLASS_HOT(stream_class
);
457 stream_class
->assigns_automatic_event_class_id
= (bool) value
;
458 BT_LIB_LOGD("Set stream class's automatic event class ID "
459 "assignment property: %!+S", stream_class
);
462 bt_bool
bt_stream_class_assigns_automatic_stream_id(
463 const struct bt_stream_class
*stream_class
)
465 BT_ASSERT_PRE_DEV_NON_NULL(stream_class
, "Stream class");
466 return (bt_bool
) stream_class
->assigns_automatic_stream_id
;
469 void bt_stream_class_set_supports_discarded_events(
470 struct bt_stream_class
*stream_class
,
471 bt_bool supports_discarded_events
,
472 bt_bool with_default_clock_snapshots
)
474 BT_ASSERT_PRE_NON_NULL(stream_class
, "Stream class");
475 BT_ASSERT_PRE_DEV_STREAM_CLASS_HOT(stream_class
);
476 BT_ASSERT_PRE(supports_discarded_events
||
477 !with_default_clock_snapshots
,
478 "Discarded events cannot have default clock snapshots when "
479 "not supported: %!+S", stream_class
);
480 BT_ASSERT_PRE(!with_default_clock_snapshots
||
481 stream_class
->default_clock_class
,
482 "Stream class has no default clock class: %!+S", stream_class
);
483 stream_class
->supports_discarded_events
=
484 (bool) supports_discarded_events
;
485 stream_class
->discarded_events_have_default_clock_snapshots
=
486 (bool) with_default_clock_snapshots
;
487 BT_LIB_LOGD("Set stream class's discarded events support property: "
488 "%!+S", stream_class
);
491 bt_bool
bt_stream_class_supports_discarded_events(
492 const struct bt_stream_class
*stream_class
)
494 BT_ASSERT_PRE_DEV_NON_NULL(stream_class
, "Stream class");
495 return (bt_bool
) stream_class
->supports_discarded_events
;
498 bt_bool
bt_stream_class_discarded_events_have_default_clock_snapshots(
499 const struct bt_stream_class
*stream_class
)
501 BT_ASSERT_PRE_DEV_NON_NULL(stream_class
, "Stream class");
502 return (bt_bool
) stream_class
->discarded_events_have_default_clock_snapshots
;
505 void bt_stream_class_set_supports_discarded_packets(
506 struct bt_stream_class
*stream_class
,
507 bt_bool supports_discarded_packets
,
508 bt_bool with_default_clock_snapshots
)
510 BT_ASSERT_PRE_NON_NULL(stream_class
, "Stream class");
511 BT_ASSERT_PRE_DEV_STREAM_CLASS_HOT(stream_class
);
512 BT_ASSERT_PRE(!supports_discarded_packets
||
513 stream_class
->supports_packets
,
514 "Stream class does not support packets: %!+S",
516 BT_ASSERT_PRE(supports_discarded_packets
||
517 !with_default_clock_snapshots
,
518 "Discarded packets cannot have default clock snapshots when "
519 "not supported: %!+S", stream_class
);
520 BT_ASSERT_PRE(!with_default_clock_snapshots
||
521 stream_class
->default_clock_class
,
522 "Stream class has no default clock class: %!+S", stream_class
);
523 stream_class
->supports_discarded_packets
=
524 (bool) supports_discarded_packets
;
525 stream_class
->discarded_packets_have_default_clock_snapshots
=
526 (bool) with_default_clock_snapshots
;
527 BT_LIB_LOGD("Set stream class's discarded packets support property: "
528 "%!+S", stream_class
);
531 bt_bool
bt_stream_class_supports_discarded_packets(
532 const struct bt_stream_class
*stream_class
)
534 BT_ASSERT_PRE_DEV_NON_NULL(stream_class
, "Stream class");
535 return (bt_bool
) stream_class
->supports_discarded_packets
;
538 bt_bool
bt_stream_class_discarded_packets_have_default_clock_snapshots(
539 const struct bt_stream_class
*stream_class
)
541 BT_ASSERT_PRE_DEV_NON_NULL(stream_class
, "Stream class");
542 return (bt_bool
) stream_class
->discarded_packets_have_default_clock_snapshots
;
545 void bt_stream_class_set_supports_packets(
546 struct bt_stream_class
*stream_class
,
547 bt_bool supports_packets
,
548 bt_bool with_beginning_default_clock_snapshot
,
549 bt_bool with_end_default_clock_snapshot
)
551 bt_bool with_default_clock_snapshot
=
552 with_beginning_default_clock_snapshot
||
553 with_end_default_clock_snapshot
;
554 BT_ASSERT_PRE_NON_NULL(stream_class
, "Stream class");
555 BT_ASSERT_PRE_DEV_STREAM_CLASS_HOT(stream_class
);
556 BT_ASSERT_PRE(supports_packets
||
557 !with_default_clock_snapshot
,
558 "Packets cannot have default clock snapshots when "
559 "not supported: %!+S", stream_class
);
560 BT_ASSERT_PRE(!with_default_clock_snapshot
||
561 stream_class
->default_clock_class
,
562 "Stream class has no default clock class: %!+S", stream_class
);
563 BT_ASSERT_PRE(supports_packets
|| !stream_class
->packet_context_fc
,
564 "Stream class already has a packet context field class: %!+S",
566 BT_ASSERT_PRE(supports_packets
||
567 !stream_class
->supports_discarded_packets
,
568 "Stream class already supports discarded packets: %!+S",
570 stream_class
->supports_packets
= (bool) supports_packets
;
571 stream_class
->packets_have_beginning_default_clock_snapshot
=
572 (bool) with_beginning_default_clock_snapshot
;
573 stream_class
->packets_have_end_default_clock_snapshot
=
574 (bool) with_end_default_clock_snapshot
;
575 BT_LIB_LOGD("Set stream class's packets support property: %!+S",
579 bt_bool
bt_stream_class_supports_packets(
580 const struct bt_stream_class
*stream_class
)
582 BT_ASSERT_PRE_NON_NULL(stream_class
, "Stream class");
583 return (bt_bool
) stream_class
->supports_packets
;
586 bt_bool
bt_stream_class_packets_have_beginning_default_clock_snapshot(
587 const struct bt_stream_class
*stream_class
)
589 BT_ASSERT_PRE_DEV_NON_NULL(stream_class
, "Stream class");
590 return (bt_bool
) stream_class
->packets_have_beginning_default_clock_snapshot
;
593 bt_bool
bt_stream_class_packets_have_end_default_clock_snapshot(
594 const struct bt_stream_class
*stream_class
)
596 BT_ASSERT_PRE_DEV_NON_NULL(stream_class
, "Stream class");
597 return (bt_bool
) stream_class
->packets_have_end_default_clock_snapshot
;
600 void bt_stream_class_set_assigns_automatic_stream_id(
601 struct bt_stream_class
*stream_class
,
604 BT_ASSERT_PRE_NON_NULL(stream_class
, "Stream class");
605 BT_ASSERT_PRE_DEV_STREAM_CLASS_HOT(stream_class
);
606 stream_class
->assigns_automatic_stream_id
= (bool) value
;
607 BT_LIB_LOGD("Set stream class's automatic stream ID "
608 "assignment property: %!+S", stream_class
);
611 const struct bt_value
*bt_stream_class_borrow_user_attributes_const(
612 const struct bt_stream_class
*stream_class
)
614 BT_ASSERT_PRE_DEV_NON_NULL(stream_class
, "Stream class");
615 return stream_class
->user_attributes
;
618 struct bt_value
*bt_stream_class_borrow_user_attributes(
619 struct bt_stream_class
*stream_class
)
621 return (void *) bt_stream_class_borrow_user_attributes_const(
622 (void *) stream_class
);
625 void bt_stream_class_set_user_attributes(
626 struct bt_stream_class
*stream_class
,
627 const struct bt_value
*user_attributes
)
629 BT_ASSERT_PRE_NON_NULL(stream_class
, "Stream class");
630 BT_ASSERT_PRE_NON_NULL(user_attributes
, "User attributes");
631 BT_ASSERT_PRE(user_attributes
->type
== BT_VALUE_TYPE_MAP
,
632 "User attributes object is not a map value object.");
633 BT_ASSERT_PRE_DEV_STREAM_CLASS_HOT(stream_class
);
634 bt_object_put_ref_no_null_check(stream_class
->user_attributes
);
635 stream_class
->user_attributes
= (void *) user_attributes
;
636 bt_object_get_ref_no_null_check(stream_class
->user_attributes
);
639 void bt_stream_class_get_ref(const struct bt_stream_class
*stream_class
)
641 bt_object_get_ref(stream_class
);
644 void bt_stream_class_put_ref(const struct bt_stream_class
*stream_class
)
646 bt_object_put_ref(stream_class
);