Commit | Line | Data |
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bc506aa5 JD |
1 | /* |
2 | * writer.c | |
3 | * | |
4 | * Babeltrace CTF Writer Output Plugin Event Handling | |
5 | * | |
6 | * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
7 | * | |
8 | * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
9 | * | |
10 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
11 | * of this software and associated documentation files (the "Software"), to deal | |
12 | * in the Software without restriction, including without limitation the rights | |
13 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
14 | * copies of the Software, and to permit persons to whom the Software is | |
15 | * furnished to do so, subject to the following conditions: | |
16 | * | |
17 | * The above copyright notice and this permission notice shall be included in | |
18 | * all copies or substantial portions of the Software. | |
19 | * | |
20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
21 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
22 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
23 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
24 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
25 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
26 | * SOFTWARE. | |
27 | */ | |
28 | ||
29 | #include <babeltrace/ctf-ir/event.h> | |
30 | #include <babeltrace/ctf-ir/packet.h> | |
31 | #include <babeltrace/ctf-ir/event-class.h> | |
32 | #include <babeltrace/ctf-ir/stream.h> | |
33 | #include <babeltrace/ctf-ir/stream-class.h> | |
ac0c6bdd | 34 | #include <babeltrace/ctf-ir/clock-class.h> |
bc506aa5 JD |
35 | #include <babeltrace/ctf-ir/fields.h> |
36 | #include <babeltrace/ctf-writer/stream-class.h> | |
37 | #include <babeltrace/ctf-writer/stream.h> | |
38 | ||
91b73004 JD |
39 | #include <ctfcopytrace.h> |
40 | ||
bc506aa5 JD |
41 | #include "writer.h" |
42 | ||
bc506aa5 | 43 | static |
91b73004 JD |
44 | struct bt_ctf_stream_class *insert_new_stream_class( |
45 | struct writer_component *writer_component, | |
46 | struct bt_ctf_writer *ctf_writer, | |
47 | struct bt_ctf_stream_class *stream_class) | |
bc506aa5 | 48 | { |
b2f1f465 | 49 | struct bt_ctf_stream_class *writer_stream_class = NULL; |
91b73004 | 50 | struct bt_ctf_trace *trace, *writer_trace; |
3241bc18 | 51 | enum bt_component_status ret; |
bc506aa5 | 52 | |
3241bc18 JD |
53 | trace = bt_ctf_stream_class_get_trace(stream_class); |
54 | if (!trace) { | |
91b73004 JD |
55 | fprintf(writer_component->err, |
56 | "[error] %s in %s:%d\n", __func__, __FILE__, | |
bc506aa5 | 57 | __LINE__); |
b2f1f465 | 58 | goto end; |
bc506aa5 JD |
59 | } |
60 | ||
91b73004 JD |
61 | writer_trace = bt_ctf_writer_get_trace(ctf_writer); |
62 | if (!writer_trace) { | |
63 | bt_put(trace); | |
64 | fprintf(writer_component->err, | |
65 | "[error] %s in %s:%d\n", __func__, __FILE__, | |
d00b90bf | 66 | __LINE__); |
bc506aa5 | 67 | ret = BT_COMPONENT_STATUS_ERROR; |
b2f1f465 | 68 | goto end_put_trace; |
bc506aa5 JD |
69 | } |
70 | ||
91b73004 JD |
71 | ret = ctf_copy_clock_classes(writer_component->err, writer_trace, |
72 | writer_stream_class, trace); | |
bc506aa5 | 73 | if (ret != BT_COMPONENT_STATUS_OK) { |
91b73004 JD |
74 | bt_put(trace); |
75 | fprintf(writer_component->err, | |
76 | "[error] %s in %s:%d\n", __func__, __FILE__, | |
bc506aa5 | 77 | __LINE__); |
b2f1f465 JD |
78 | goto end_put_writer_trace; |
79 | } | |
80 | ||
81 | writer_stream_class = ctf_copy_stream_class(writer_component->err, | |
82 | stream_class, writer_trace, true); | |
83 | if (!writer_stream_class) { | |
84 | fprintf(writer_component->err, "[error] Failed to copy stream class\n"); | |
85 | fprintf(writer_component->err, "[error] %s in %s:%d\n", | |
86 | __func__, __FILE__, __LINE__); | |
87 | goto end_put_writer_trace; | |
bc506aa5 | 88 | } |
bc506aa5 | 89 | |
bc506aa5 JD |
90 | g_hash_table_insert(writer_component->stream_class_map, |
91 | (gpointer) stream_class, writer_stream_class); | |
92 | ||
b2f1f465 JD |
93 | end_put_writer_trace: |
94 | bt_put(writer_trace); | |
95 | end_put_trace: | |
96 | bt_put(trace); | |
bc506aa5 JD |
97 | end: |
98 | return writer_stream_class; | |
99 | } | |
100 | ||
101 | static | |
102 | struct bt_ctf_stream *insert_new_stream( | |
103 | struct writer_component *writer_component, | |
104 | struct bt_ctf_writer *ctf_writer, | |
105 | struct bt_ctf_stream_class *stream_class, | |
106 | struct bt_ctf_stream *stream) | |
107 | { | |
108 | struct bt_ctf_stream *writer_stream; | |
109 | struct bt_ctf_stream_class *writer_stream_class; | |
110 | ||
111 | writer_stream_class = g_hash_table_lookup( | |
112 | writer_component->stream_class_map, | |
113 | (gpointer) stream_class); | |
114 | if (writer_stream_class) { | |
115 | if (!bt_get(writer_stream_class)) { | |
116 | writer_stream = NULL; | |
117 | fprintf(writer_component->err, "[error] %s in %s:%d\n", | |
118 | __func__, __FILE__, __LINE__); | |
119 | goto end; | |
120 | } | |
121 | } else { | |
122 | writer_stream_class = insert_new_stream_class( | |
123 | writer_component, ctf_writer, stream_class); | |
124 | if (!writer_stream_class) { | |
125 | writer_stream = NULL; | |
126 | fprintf(writer_component->err, "[error] %s in %s:%d\n", | |
127 | __func__, __FILE__, __LINE__); | |
128 | goto end_put; | |
129 | } | |
130 | } | |
131 | ||
132 | writer_stream = bt_ctf_writer_create_stream(ctf_writer, | |
133 | writer_stream_class); | |
134 | if (!writer_stream) { | |
135 | fprintf(writer_component->err, "[error] %s in %s:%d\n", | |
136 | __func__, __FILE__, __LINE__); | |
137 | goto end_put; | |
138 | } | |
139 | ||
140 | g_hash_table_insert(writer_component->stream_map, (gpointer) stream, | |
141 | writer_stream); | |
142 | ||
143 | bt_ctf_writer_flush_metadata(ctf_writer); | |
144 | ||
145 | end_put: | |
146 | bt_put(writer_stream_class); | |
147 | end: | |
148 | return writer_stream; | |
149 | } | |
150 | ||
151 | static | |
152 | struct bt_ctf_stream *lookup_stream(struct writer_component *writer_component, | |
153 | struct bt_ctf_stream *stream) | |
154 | { | |
155 | return (struct bt_ctf_stream *) g_hash_table_lookup( | |
156 | writer_component->stream_map, | |
157 | (gpointer) stream); | |
158 | } | |
159 | ||
160 | static | |
161 | struct bt_ctf_event_class *get_event_class(struct writer_component *writer_component, | |
162 | struct bt_ctf_stream_class *writer_stream_class, | |
163 | struct bt_ctf_event_class *event_class) | |
164 | { | |
165 | return bt_ctf_stream_class_get_event_class_by_name(writer_stream_class, | |
166 | bt_ctf_event_class_get_name(event_class)); | |
167 | } | |
168 | ||
169 | struct bt_ctf_writer *insert_new_writer( | |
170 | struct writer_component *writer_component, | |
171 | struct bt_ctf_trace *trace) | |
172 | { | |
173 | struct bt_ctf_writer *ctf_writer; | |
91b73004 | 174 | struct bt_ctf_trace *writer_trace; |
bc506aa5 JD |
175 | char trace_name[PATH_MAX]; |
176 | enum bt_component_status ret; | |
177 | ||
178 | snprintf(trace_name, PATH_MAX, "%s/%s_%03d", | |
9057f037 JD |
179 | writer_component->base_path->str, |
180 | writer_component->trace_name_base->str, | |
bc506aa5 JD |
181 | writer_component->trace_id++); |
182 | printf_verbose("CTF-Writer creating trace in %s\n", trace_name); | |
9057f037 | 183 | |
bc506aa5 JD |
184 | ctf_writer = bt_ctf_writer_create(trace_name); |
185 | if (!ctf_writer) { | |
186 | fprintf(writer_component->err, "[error] %s in %s:%d\n", | |
187 | __func__, __FILE__, __LINE__); | |
188 | goto end; | |
189 | } | |
190 | ||
91b73004 JD |
191 | writer_trace = bt_ctf_writer_get_trace(ctf_writer); |
192 | if (!writer_trace) { | |
193 | ret = BT_COMPONENT_STATUS_ERROR; | |
194 | fprintf(writer_component->err, | |
195 | "[error] %s in %s:%d\n", __func__, __FILE__, | |
196 | __LINE__); | |
197 | goto end; | |
198 | } | |
199 | ||
200 | ret = ctf_copy_trace(writer_component->err, trace, writer_trace); | |
201 | bt_put(writer_trace); | |
bc506aa5 JD |
202 | if (ret != BT_COMPONENT_STATUS_OK) { |
203 | fprintf(writer_component->err, "[error] Failed to copy trace\n"); | |
204 | fprintf(writer_component->err, "[error] %s in %s:%d\n", | |
205 | __func__, __FILE__, __LINE__); | |
206 | BT_PUT(ctf_writer); | |
207 | goto end; | |
208 | } | |
209 | ||
210 | g_hash_table_insert(writer_component->trace_map, (gpointer) trace, | |
211 | ctf_writer); | |
212 | ||
213 | end: | |
214 | return ctf_writer; | |
215 | } | |
216 | ||
217 | static | |
218 | struct bt_ctf_writer *get_writer(struct writer_component *writer_component, | |
219 | struct bt_ctf_stream_class *stream_class) | |
220 | { | |
221 | struct bt_ctf_trace *trace; | |
222 | struct bt_ctf_writer *ctf_writer; | |
223 | ||
224 | trace = bt_ctf_stream_class_get_trace(stream_class); | |
225 | if (!trace) { | |
226 | ctf_writer = NULL; | |
227 | fprintf(writer_component->err, "[error] %s in %s:%d\n", | |
228 | __func__, __FILE__, __LINE__); | |
229 | goto end; | |
230 | } | |
231 | ||
232 | ctf_writer = g_hash_table_lookup(writer_component->trace_map, | |
233 | (gpointer) trace); | |
234 | if (ctf_writer) { | |
235 | if (!bt_get(ctf_writer)) { | |
236 | ctf_writer = NULL; | |
237 | fprintf(writer_component->err, "[error] %s in %s:%d\n", | |
238 | __func__, __FILE__, __LINE__); | |
239 | goto end; | |
240 | } | |
241 | } else { | |
242 | ctf_writer = insert_new_writer(writer_component, trace); | |
243 | } | |
244 | bt_put(trace); | |
245 | ||
246 | end: | |
247 | return ctf_writer; | |
248 | } | |
249 | ||
250 | static | |
251 | struct bt_ctf_stream *get_writer_stream( | |
252 | struct writer_component *writer_component, | |
253 | struct bt_ctf_packet *packet, struct bt_ctf_stream *stream) | |
254 | { | |
255 | struct bt_ctf_stream_class *stream_class; | |
256 | struct bt_ctf_writer *ctf_writer; | |
257 | struct bt_ctf_stream *writer_stream; | |
258 | ||
259 | stream_class = bt_ctf_stream_get_class(stream); | |
260 | if (!stream_class) { | |
261 | writer_stream = NULL; | |
262 | fprintf(writer_component->err, "[error] %s in %s:%d\n", | |
263 | __func__, __FILE__, __LINE__); | |
264 | goto end; | |
265 | } | |
266 | ||
267 | ctf_writer = get_writer(writer_component, stream_class); | |
268 | if (!ctf_writer) { | |
269 | writer_stream = NULL; | |
270 | fprintf(writer_component->err, "[error] %s in %s:%d\n", | |
271 | __func__, __FILE__, __LINE__); | |
272 | goto end_put_stream_class; | |
273 | } | |
274 | ||
275 | writer_stream = lookup_stream(writer_component, stream); | |
276 | ||
277 | if (writer_stream) { | |
278 | if (!bt_get(writer_stream)) { | |
279 | writer_stream = NULL; | |
280 | fprintf(writer_component->err, "[error] %s in %s:%d\n", | |
281 | __func__, __FILE__, __LINE__); | |
282 | goto end_put_stream_class; | |
283 | } | |
284 | } else { | |
285 | writer_stream = insert_new_stream(writer_component, ctf_writer, | |
286 | stream_class, stream); | |
1e0002d7 | 287 | bt_get(writer_stream); |
bc506aa5 JD |
288 | } |
289 | ||
290 | bt_put(ctf_writer); | |
291 | end_put_stream_class: | |
292 | bt_put(stream_class); | |
293 | end: | |
294 | return writer_stream; | |
295 | } | |
296 | ||
297 | BT_HIDDEN | |
298 | enum bt_component_status writer_new_packet( | |
299 | struct writer_component *writer_component, | |
300 | struct bt_ctf_packet *packet) | |
301 | { | |
302 | struct bt_ctf_stream *stream, *writer_stream; | |
b2f1f465 | 303 | struct bt_ctf_field *writer_packet_context; |
bc506aa5 | 304 | enum bt_component_status ret = BT_COMPONENT_STATUS_OK; |
b2f1f465 | 305 | int int_ret; |
bc506aa5 JD |
306 | |
307 | stream = bt_ctf_packet_get_stream(packet); | |
308 | if (!stream) { | |
309 | ret = BT_COMPONENT_STATUS_ERROR; | |
310 | fprintf(writer_component->err, "[error] %s in %s:%d\n", | |
311 | __func__, __FILE__, __LINE__); | |
312 | goto end; | |
313 | } | |
314 | ||
bc506aa5 JD |
315 | writer_stream = get_writer_stream(writer_component, packet, stream); |
316 | if (!writer_stream) { | |
317 | ret = BT_COMPONENT_STATUS_ERROR; | |
318 | fprintf(writer_component->err, "[error] %s in %s:%d\n", | |
319 | __func__, __FILE__, __LINE__); | |
320 | goto end_put; | |
321 | } | |
322 | ||
b2f1f465 JD |
323 | writer_packet_context = ctf_copy_packet_context(writer_component->err, |
324 | packet, writer_stream); | |
325 | if (!writer_packet_context) { | |
bc506aa5 | 326 | ret = BT_COMPONENT_STATUS_ERROR; |
91b73004 JD |
327 | fprintf(writer_component->err, "[error] %s in %s:%d\n", |
328 | __func__, __FILE__, __LINE__); | |
329 | goto end_put; | |
bc506aa5 JD |
330 | } |
331 | ||
b2f1f465 JD |
332 | int_ret = bt_ctf_stream_set_packet_context(writer_stream, |
333 | writer_packet_context); | |
334 | if (int_ret < 0) { | |
335 | ret = BT_COMPONENT_STATUS_ERROR; | |
336 | fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__, | |
337 | __FILE__, __LINE__); | |
338 | goto end_put_writer_packet_context; | |
339 | } | |
340 | ||
91b73004 | 341 | bt_put(writer_stream); |
bc506aa5 | 342 | |
b2f1f465 JD |
343 | end_put_writer_packet_context: |
344 | bt_put(writer_packet_context); | |
91b73004 JD |
345 | end_put: |
346 | bt_put(stream); | |
bc506aa5 JD |
347 | end: |
348 | return ret; | |
349 | } | |
350 | ||
351 | BT_HIDDEN | |
352 | enum bt_component_status writer_close_packet( | |
353 | struct writer_component *writer_component, | |
354 | struct bt_ctf_packet *packet) | |
355 | { | |
356 | struct bt_ctf_stream *stream, *writer_stream; | |
357 | enum bt_component_status ret; | |
358 | ||
359 | stream = bt_ctf_packet_get_stream(packet); | |
360 | if (!stream) { | |
361 | ret = BT_COMPONENT_STATUS_ERROR; | |
362 | fprintf(writer_component->err, "[error] %s in %s:%d\n", | |
363 | __func__, __FILE__, __LINE__); | |
364 | goto end; | |
365 | } | |
366 | ||
367 | writer_stream = lookup_stream(writer_component, stream); | |
368 | if (!writer_stream) { | |
369 | ret = BT_COMPONENT_STATUS_ERROR; | |
370 | fprintf(writer_component->err, "[error] %s in %s:%d\n", | |
371 | __func__, __FILE__, __LINE__); | |
372 | goto end_put; | |
373 | } | |
374 | ||
375 | if (!bt_get(writer_stream)) { | |
376 | fprintf(writer_component->err, | |
377 | "[error] Failed to get reference on writer stream\n"); | |
378 | fprintf(writer_component->err, "[error] %s in %s:%d\n", | |
379 | __func__, __FILE__, __LINE__); | |
380 | ret = BT_COMPONENT_STATUS_ERROR; | |
381 | goto end_put; | |
382 | } | |
383 | ||
bc506aa5 JD |
384 | ret = bt_ctf_stream_flush(writer_stream); |
385 | if (ret < 0) { | |
386 | fprintf(writer_component->err, | |
387 | "[error] Failed to flush packet\n"); | |
388 | ret = BT_COMPONENT_STATUS_ERROR; | |
389 | } | |
390 | ||
391 | ret = BT_COMPONENT_STATUS_OK; | |
392 | ||
393 | bt_put(writer_stream); | |
394 | ||
395 | end_put: | |
396 | bt_put(stream); | |
397 | end: | |
398 | return ret; | |
399 | } | |
400 | ||
bc506aa5 JD |
401 | BT_HIDDEN |
402 | enum bt_component_status writer_output_event( | |
403 | struct writer_component *writer_component, | |
404 | struct bt_ctf_event *event) | |
405 | { | |
406 | enum bt_component_status ret; | |
407 | struct bt_ctf_event_class *event_class, *writer_event_class; | |
408 | struct bt_ctf_stream *stream, *writer_stream; | |
409 | struct bt_ctf_stream_class *stream_class, *writer_stream_class; | |
410 | struct bt_ctf_event *writer_event; | |
411 | const char *event_name; | |
412 | int int_ret; | |
413 | ||
414 | event_class = bt_ctf_event_get_class(event); | |
415 | if (!event_class) { | |
416 | ret = BT_COMPONENT_STATUS_ERROR; | |
417 | fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__, | |
418 | __FILE__, __LINE__); | |
419 | goto end; | |
420 | } | |
421 | ||
422 | event_name = bt_ctf_event_class_get_name(event_class); | |
423 | if (!event_name) { | |
424 | ret = BT_COMPONENT_STATUS_ERROR; | |
425 | fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__, | |
426 | __FILE__, __LINE__); | |
427 | goto end_put_event_class; | |
428 | } | |
bc506aa5 JD |
429 | |
430 | stream = bt_ctf_event_get_stream(event); | |
431 | if (!stream) { | |
432 | ret = BT_COMPONENT_STATUS_ERROR; | |
433 | fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__, | |
434 | __FILE__, __LINE__); | |
435 | goto end_put_event_class; | |
436 | } | |
437 | ||
438 | writer_stream = lookup_stream(writer_component, stream); | |
439 | if (!writer_stream || !bt_get(writer_stream)) { | |
440 | ret = BT_COMPONENT_STATUS_ERROR; | |
441 | fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__, | |
442 | __FILE__, __LINE__); | |
443 | goto end_put_stream; | |
444 | } | |
445 | ||
446 | stream_class = bt_ctf_event_class_get_stream_class(event_class); | |
447 | if (!stream_class) { | |
448 | ret = BT_COMPONENT_STATUS_ERROR; | |
449 | fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__, | |
450 | __FILE__, __LINE__); | |
451 | goto end_put_writer_stream; | |
452 | } | |
453 | ||
454 | writer_stream_class = g_hash_table_lookup( | |
455 | writer_component->stream_class_map, | |
456 | (gpointer) stream_class); | |
457 | if (!writer_stream_class || !bt_get(writer_stream_class)) { | |
458 | ret = BT_COMPONENT_STATUS_ERROR; | |
459 | fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__, | |
460 | __FILE__, __LINE__); | |
461 | goto end_put_stream_class; | |
462 | } | |
463 | ||
464 | writer_event_class = get_event_class(writer_component, | |
465 | writer_stream_class, event_class); | |
466 | if (!writer_event_class) { | |
af34e875 JD |
467 | writer_event_class = ctf_copy_event_class(writer_component->err, |
468 | event_class); | |
469 | if (!writer_event_class) { | |
470 | ret = BT_COMPONENT_STATUS_ERROR; | |
471 | fprintf(writer_component->err, "[error] %s in %s:%d\n", | |
472 | __func__, __FILE__, __LINE__); | |
473 | goto end_put_writer_stream_class; | |
474 | } | |
475 | int_ret = bt_ctf_stream_class_add_event_class( | |
476 | writer_stream_class, writer_event_class); | |
477 | if (int_ret) { | |
478 | ret = BT_COMPONENT_STATUS_ERROR; | |
479 | fprintf(writer_component->err, "[error] %s in %s:%d\n", | |
480 | __func__, __FILE__, __LINE__); | |
481 | goto end_put_writer_stream_class; | |
482 | } | |
bc506aa5 JD |
483 | } |
484 | ||
b2f1f465 JD |
485 | writer_event = ctf_copy_event(writer_component->err, event, |
486 | writer_event_class, true); | |
bc506aa5 JD |
487 | if (!writer_event) { |
488 | ret = BT_COMPONENT_STATUS_ERROR; | |
489 | fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__, | |
490 | __FILE__, __LINE__); | |
491 | fprintf(writer_component->err, "[error] Failed to copy event %s\n", | |
492 | bt_ctf_event_class_get_name(writer_event_class)); | |
493 | goto end_put_writer_event_class; | |
494 | } | |
495 | ||
496 | int_ret = bt_ctf_stream_append_event(writer_stream, writer_event); | |
497 | if (int_ret < 0) { | |
498 | ret = BT_COMPONENT_STATUS_ERROR; | |
499 | fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__, | |
500 | __FILE__, __LINE__); | |
501 | fprintf(writer_component->err, "[error] Failed to append event %s\n", | |
502 | bt_ctf_event_class_get_name(writer_event_class)); | |
503 | goto end_put_writer_event; | |
504 | } | |
505 | ||
506 | ret = BT_COMPONENT_STATUS_OK; | |
507 | ||
508 | end_put_writer_event: | |
509 | bt_put(writer_event); | |
510 | end_put_writer_event_class: | |
511 | bt_put(writer_event_class); | |
512 | end_put_writer_stream_class: | |
513 | bt_put(writer_stream_class); | |
514 | end_put_stream_class: | |
515 | bt_put(stream_class); | |
516 | end_put_writer_stream: | |
517 | bt_put(writer_stream); | |
518 | end_put_stream: | |
519 | bt_put(stream); | |
520 | end_put_event_class: | |
521 | bt_put(event_class); | |
522 | end: | |
523 | return ret; | |
524 | } |