Commit | Line | Data |
---|---|---|
f1e16794 DG |
1 | /* |
2 | * Copyright (C) 2012 - David Goulet <dgoulet@efficios.com> | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify it | |
5 | * under the terms of the GNU General Public License, version 2 only, as | |
6 | * published by the Free Software Foundation. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
11 | * more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License along with | |
14 | * this program; if not, write to the Free Software Foundation, Inc., 51 | |
15 | * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
16 | */ | |
17 | ||
6c1c0768 | 18 | #define _LGPL_SOURCE |
f1e16794 DG |
19 | #include <stdio.h> |
20 | #include <stdlib.h> | |
f1e16794 DG |
21 | #include <sys/stat.h> |
22 | #include <unistd.h> | |
e1f3997a | 23 | #include <inttypes.h> |
f1e16794 DG |
24 | |
25 | #include <common/common.h> | |
26 | #include <common/defaults.h> | |
f5436bfc | 27 | #include <common/compat/string.h> |
f1e16794 | 28 | |
00e2e675 | 29 | #include "consumer.h" |
8782cc74 | 30 | #include "health-sessiond.h" |
f1e16794 | 31 | #include "kernel-consumer.h" |
e9404c27 JG |
32 | #include "notification-thread-commands.h" |
33 | #include "session.h" | |
34 | #include "lttng-sessiond.h" | |
f1e16794 | 35 | |
e5148e25 | 36 | static char *create_channel_path(struct consumer_output *consumer) |
00e2e675 DG |
37 | { |
38 | int ret; | |
ffe60014 | 39 | char tmp_path[PATH_MAX]; |
2bba9e53 | 40 | char *pathname = NULL; |
00e2e675 | 41 | |
2bba9e53 | 42 | assert(consumer); |
00e2e675 | 43 | |
ffe60014 | 44 | /* Get the right path name destination */ |
9c96bc23 JG |
45 | if (consumer->type == CONSUMER_DST_LOCAL || |
46 | (consumer->type == CONSUMER_DST_NET && | |
47 | consumer->relay_major_version == 2 && | |
48 | consumer->relay_minor_version >= 11)) { | |
e5148e25 | 49 | pathname = strdup(consumer->domain_subdir); |
bb3c4e70 | 50 | if (!pathname) { |
e5148e25 JG |
51 | PERROR("Failed to copy domain subdirectory string %s", |
52 | consumer->domain_subdir); | |
bb3c4e70 MD |
53 | goto error; |
54 | } | |
e5148e25 JG |
55 | DBG3("Kernel local consumer trace path relative to current trace chunk: \"%s\"", |
56 | pathname); | |
ffe60014 | 57 | } else { |
5feee503 | 58 | /* Network output. */ |
2b29c638 JD |
59 | ret = snprintf(tmp_path, sizeof(tmp_path), "%s%s", |
60 | consumer->dst.net.base_dir, | |
5feee503 | 61 | consumer->domain_subdir); |
ffe60014 | 62 | if (ret < 0) { |
2bba9e53 | 63 | PERROR("snprintf kernel metadata path"); |
ffe60014 | 64 | goto error; |
dba13f1d JG |
65 | } else if (ret >= sizeof(tmp_path)) { |
66 | ERR("Kernel channel path exceeds the maximal allowed length of of %zu bytes (%i bytes required) with path \"%s%s\"", | |
67 | sizeof(tmp_path), ret, | |
68 | consumer->dst.net.base_dir, | |
5feee503 | 69 | consumer->domain_subdir); |
dba13f1d | 70 | goto error; |
ffe60014 | 71 | } |
f5436bfc | 72 | pathname = lttng_strndup(tmp_path, sizeof(tmp_path)); |
bb3c4e70 | 73 | if (!pathname) { |
f5436bfc | 74 | PERROR("lttng_strndup"); |
bb3c4e70 MD |
75 | goto error; |
76 | } | |
ffe60014 DG |
77 | DBG3("Kernel network consumer subdir path: %s", pathname); |
78 | } | |
79 | ||
2bba9e53 DG |
80 | return pathname; |
81 | ||
82 | error: | |
83 | free(pathname); | |
84 | return NULL; | |
85 | } | |
86 | ||
87 | /* | |
88 | * Sending a single channel to the consumer with command ADD_CHANNEL. | |
89 | */ | |
606b643e | 90 | static |
2bba9e53 | 91 | int kernel_consumer_add_channel(struct consumer_socket *sock, |
e9404c27 JG |
92 | struct ltt_kernel_channel *channel, |
93 | struct ltt_kernel_session *ksession, | |
2bba9e53 DG |
94 | unsigned int monitor) |
95 | { | |
96 | int ret; | |
e5148e25 | 97 | char *pathname = NULL; |
2bba9e53 DG |
98 | struct lttcomm_consumer_msg lkm; |
99 | struct consumer_output *consumer; | |
e9404c27 | 100 | enum lttng_error_code status; |
48a86f68 | 101 | struct ltt_session *session = NULL; |
e9404c27 | 102 | struct lttng_channel_extended *channel_attr_extended; |
e5148e25 | 103 | bool is_local_trace; |
2bba9e53 DG |
104 | |
105 | /* Safety net */ | |
106 | assert(channel); | |
e9404c27 JG |
107 | assert(ksession); |
108 | assert(ksession->consumer); | |
2bba9e53 | 109 | |
e9404c27 JG |
110 | consumer = ksession->consumer; |
111 | channel_attr_extended = (struct lttng_channel_extended *) | |
112 | channel->channel->attr.extended.ptr; | |
2bba9e53 DG |
113 | |
114 | DBG("Kernel consumer adding channel %s to kernel consumer", | |
115 | channel->channel->name); | |
e5148e25 | 116 | is_local_trace = consumer->net_seq_index == -1ULL; |
2bba9e53 | 117 | |
e5148e25 | 118 | pathname = create_channel_path(consumer); |
bb3c4e70 MD |
119 | if (!pathname) { |
120 | ret = -1; | |
121 | goto error; | |
122 | } | |
2bba9e53 | 123 | |
e5148e25 JG |
124 | if (is_local_trace && ksession->current_trace_chunk) { |
125 | enum lttng_trace_chunk_status chunk_status; | |
126 | char *pathname_index; | |
127 | ||
128 | ret = asprintf(&pathname_index, "%s/" DEFAULT_INDEX_DIR, | |
129 | pathname); | |
130 | if (ret < 0) { | |
131 | ERR("Failed to format channel index directory"); | |
132 | ret = -1; | |
133 | goto error; | |
134 | } | |
135 | ||
136 | /* | |
137 | * Create the index subdirectory which will take care | |
138 | * of implicitly creating the channel's path. | |
139 | */ | |
140 | chunk_status = lttng_trace_chunk_create_subdirectory( | |
141 | ksession->current_trace_chunk, pathname_index); | |
142 | free(pathname_index); | |
143 | if (chunk_status != LTTNG_TRACE_CHUNK_STATUS_OK) { | |
144 | ret = -1; | |
145 | goto error; | |
146 | } | |
147 | } | |
148 | ||
00e2e675 | 149 | /* Prep channel message structure */ |
638e7b4e | 150 | consumer_init_add_channel_comm_msg(&lkm, |
e1f3997a | 151 | channel->key, |
e9404c27 | 152 | ksession->id, |
ffe60014 | 153 | pathname, |
e9404c27 JG |
154 | ksession->uid, |
155 | ksession->gid, | |
ffe60014 | 156 | consumer->net_seq_index, |
c30aaa51 | 157 | channel->channel->name, |
ffe60014 DG |
158 | channel->stream_count, |
159 | channel->channel->attr.output, | |
1624d5b7 JD |
160 | CONSUMER_CHANNEL_TYPE_DATA, |
161 | channel->channel->attr.tracefile_size, | |
2bba9e53 | 162 | channel->channel->attr.tracefile_count, |
ecc48a90 | 163 | monitor, |
e9404c27 | 164 | channel->channel->attr.live_timer_interval, |
3ef395a9 | 165 | ksession->is_live_session, |
e5148e25 JG |
166 | channel_attr_extended->monitor_timer_interval, |
167 | ksession->current_trace_chunk); | |
00e2e675 | 168 | |
840cb59c | 169 | health_code_update(); |
ca03de58 | 170 | |
00e2e675 DG |
171 | ret = consumer_send_channel(sock, &lkm); |
172 | if (ret < 0) { | |
173 | goto error; | |
174 | } | |
175 | ||
840cb59c | 176 | health_code_update(); |
e9404c27 JG |
177 | rcu_read_lock(); |
178 | session = session_find_by_id(ksession->id); | |
179 | assert(session); | |
e098433c JG |
180 | assert(pthread_mutex_trylock(&session->lock)); |
181 | assert(session_trylock_list()); | |
ca03de58 | 182 | |
e9404c27 JG |
183 | status = notification_thread_command_add_channel( |
184 | notification_thread_handle, session->name, | |
185 | ksession->uid, ksession->gid, | |
e1f3997a | 186 | channel->channel->name, channel->key, |
e9404c27 JG |
187 | LTTNG_DOMAIN_KERNEL, |
188 | channel->channel->attr.subbuf_size * channel->channel->attr.num_subbuf); | |
189 | rcu_read_unlock(); | |
190 | if (status != LTTNG_OK) { | |
191 | ret = -1; | |
192 | goto error; | |
193 | } | |
753873bf JR |
194 | |
195 | channel->published_to_notification_thread = true; | |
196 | ||
00e2e675 | 197 | error: |
48a86f68 JG |
198 | if (session) { |
199 | session_put(session); | |
200 | } | |
53efb85a | 201 | free(pathname); |
00e2e675 DG |
202 | return ret; |
203 | } | |
204 | ||
205 | /* | |
206 | * Sending metadata to the consumer with command ADD_CHANNEL and ADD_STREAM. | |
9a318688 JG |
207 | * |
208 | * The consumer socket lock must be held by the caller. | |
00e2e675 | 209 | */ |
f50f23d9 | 210 | int kernel_consumer_add_metadata(struct consumer_socket *sock, |
e098433c | 211 | struct ltt_kernel_session *ksession, unsigned int monitor) |
00e2e675 DG |
212 | { |
213 | int ret; | |
00e2e675 | 214 | struct lttcomm_consumer_msg lkm; |
a7d9a3e7 | 215 | struct consumer_output *consumer; |
e098433c JG |
216 | |
217 | rcu_read_lock(); | |
00e2e675 DG |
218 | |
219 | /* Safety net */ | |
e098433c JG |
220 | assert(ksession); |
221 | assert(ksession->consumer); | |
f50f23d9 | 222 | assert(sock); |
00e2e675 | 223 | |
e098433c JG |
224 | DBG("Sending metadata %d to kernel consumer", |
225 | ksession->metadata_stream_fd); | |
00e2e675 DG |
226 | |
227 | /* Get consumer output pointer */ | |
e098433c | 228 | consumer = ksession->consumer; |
00e2e675 | 229 | |
00e2e675 | 230 | /* Prep channel message structure */ |
17136d8c JG |
231 | consumer_init_add_channel_comm_msg(&lkm, |
232 | ksession->metadata->key, | |
233 | ksession->id, | |
8b3be07a | 234 | DEFAULT_KERNEL_TRACE_DIR, |
17136d8c JG |
235 | ksession->uid, |
236 | ksession->gid, | |
237 | consumer->net_seq_index, | |
238 | ksession->metadata->conf->name, | |
239 | 1, | |
240 | ksession->metadata->conf->attr.output, | |
241 | CONSUMER_CHANNEL_TYPE_METADATA, | |
242 | ksession->metadata->conf->attr.tracefile_size, | |
243 | ksession->metadata->conf->attr.tracefile_count, | |
244 | monitor, | |
245 | ksession->metadata->conf->attr.live_timer_interval, | |
246 | ksession->is_live_session, | |
247 | 0, | |
3ef395a9 | 248 | ksession->current_trace_chunk); |
00e2e675 | 249 | |
840cb59c | 250 | health_code_update(); |
ca03de58 | 251 | |
00e2e675 DG |
252 | ret = consumer_send_channel(sock, &lkm); |
253 | if (ret < 0) { | |
254 | goto error; | |
255 | } | |
256 | ||
840cb59c | 257 | health_code_update(); |
ca03de58 | 258 | |
00e2e675 | 259 | /* Prep stream message structure */ |
e098433c JG |
260 | consumer_init_add_stream_comm_msg(&lkm, |
261 | ksession->metadata->key, | |
262 | ksession->metadata_stream_fd, | |
e5148e25 | 263 | 0 /* CPU: 0 for metadata. */); |
00e2e675 | 264 | |
840cb59c | 265 | health_code_update(); |
ca03de58 | 266 | |
00e2e675 | 267 | /* Send stream and file descriptor */ |
a7d9a3e7 | 268 | ret = consumer_send_stream(sock, consumer, &lkm, |
e098433c | 269 | &ksession->metadata_stream_fd, 1); |
00e2e675 DG |
270 | if (ret < 0) { |
271 | goto error; | |
272 | } | |
273 | ||
840cb59c | 274 | health_code_update(); |
ca03de58 | 275 | |
00e2e675 | 276 | error: |
e098433c | 277 | rcu_read_unlock(); |
00e2e675 DG |
278 | return ret; |
279 | } | |
280 | ||
281 | /* | |
282 | * Sending a single stream to the consumer with command ADD_STREAM. | |
283 | */ | |
5b0e3ccb | 284 | static |
f50f23d9 | 285 | int kernel_consumer_add_stream(struct consumer_socket *sock, |
e098433c JG |
286 | struct ltt_kernel_channel *channel, |
287 | struct ltt_kernel_stream *stream, | |
e5148e25 | 288 | struct ltt_kernel_session *session, unsigned int monitor) |
00e2e675 DG |
289 | { |
290 | int ret; | |
00e2e675 | 291 | struct lttcomm_consumer_msg lkm; |
a7d9a3e7 | 292 | struct consumer_output *consumer; |
00e2e675 DG |
293 | |
294 | assert(channel); | |
295 | assert(stream); | |
296 | assert(session); | |
297 | assert(session->consumer); | |
f50f23d9 | 298 | assert(sock); |
00e2e675 DG |
299 | |
300 | DBG("Sending stream %d of channel %s to kernel consumer", | |
301 | stream->fd, channel->channel->name); | |
302 | ||
303 | /* Get consumer output pointer */ | |
a7d9a3e7 | 304 | consumer = session->consumer; |
00e2e675 | 305 | |
00e2e675 | 306 | /* Prep stream consumer message */ |
e098433c | 307 | consumer_init_add_stream_comm_msg(&lkm, |
e1f3997a | 308 | channel->key, |
00e2e675 | 309 | stream->fd, |
e5148e25 | 310 | stream->cpu); |
00e2e675 | 311 | |
840cb59c | 312 | health_code_update(); |
ca03de58 | 313 | |
00e2e675 | 314 | /* Send stream and file descriptor */ |
a7d9a3e7 | 315 | ret = consumer_send_stream(sock, consumer, &lkm, &stream->fd, 1); |
00e2e675 DG |
316 | if (ret < 0) { |
317 | goto error; | |
318 | } | |
319 | ||
840cb59c | 320 | health_code_update(); |
ca03de58 | 321 | |
00e2e675 DG |
322 | error: |
323 | return ret; | |
324 | } | |
325 | ||
a4baae1b JD |
326 | /* |
327 | * Sending the notification that all streams were sent with STREAMS_SENT. | |
328 | */ | |
329 | int kernel_consumer_streams_sent(struct consumer_socket *sock, | |
330 | struct ltt_kernel_session *session, uint64_t channel_key) | |
331 | { | |
332 | int ret; | |
333 | struct lttcomm_consumer_msg lkm; | |
334 | struct consumer_output *consumer; | |
335 | ||
336 | assert(sock); | |
337 | assert(session); | |
338 | ||
339 | DBG("Sending streams_sent"); | |
340 | /* Get consumer output pointer */ | |
341 | consumer = session->consumer; | |
342 | ||
343 | /* Prep stream consumer message */ | |
344 | consumer_init_streams_sent_comm_msg(&lkm, | |
345 | LTTNG_CONSUMER_STREAMS_SENT, | |
346 | channel_key, consumer->net_seq_index); | |
347 | ||
348 | health_code_update(); | |
349 | ||
350 | /* Send stream and file descriptor */ | |
351 | ret = consumer_send_msg(sock, &lkm); | |
352 | if (ret < 0) { | |
353 | goto error; | |
354 | } | |
355 | ||
356 | error: | |
357 | return ret; | |
358 | } | |
359 | ||
f1e16794 DG |
360 | /* |
361 | * Send all stream fds of kernel channel to the consumer. | |
9a318688 JG |
362 | * |
363 | * The consumer socket lock must be held by the caller. | |
f1e16794 | 364 | */ |
1fc1b7c8 | 365 | int kernel_consumer_send_channel_streams(struct consumer_socket *sock, |
e098433c | 366 | struct ltt_kernel_channel *channel, struct ltt_kernel_session *ksession, |
2bba9e53 | 367 | unsigned int monitor) |
f1e16794 | 368 | { |
e99f9447 | 369 | int ret = LTTNG_OK; |
f1e16794 | 370 | struct ltt_kernel_stream *stream; |
00e2e675 DG |
371 | |
372 | /* Safety net */ | |
373 | assert(channel); | |
e098433c JG |
374 | assert(ksession); |
375 | assert(ksession->consumer); | |
f50f23d9 | 376 | assert(sock); |
00e2e675 | 377 | |
e098433c JG |
378 | rcu_read_lock(); |
379 | ||
00e2e675 | 380 | /* Bail out if consumer is disabled */ |
e098433c | 381 | if (!ksession->consumer->enabled) { |
f73fabfd | 382 | ret = LTTNG_OK; |
00e2e675 DG |
383 | goto error; |
384 | } | |
f1e16794 DG |
385 | |
386 | DBG("Sending streams of channel %s to kernel consumer", | |
387 | channel->channel->name); | |
388 | ||
e99f9447 | 389 | if (!channel->sent_to_consumer) { |
e098433c | 390 | ret = kernel_consumer_add_channel(sock, channel, ksession, monitor); |
e99f9447 MD |
391 | if (ret < 0) { |
392 | goto error; | |
393 | } | |
394 | channel->sent_to_consumer = true; | |
f1e16794 DG |
395 | } |
396 | ||
397 | /* Send streams */ | |
398 | cds_list_for_each_entry(stream, &channel->stream_list.head, list) { | |
6986ab9b | 399 | if (!stream->fd || stream->sent_to_consumer) { |
f1e16794 DG |
400 | continue; |
401 | } | |
00e2e675 DG |
402 | |
403 | /* Add stream on the kernel consumer side. */ | |
e098433c | 404 | ret = kernel_consumer_add_stream(sock, channel, stream, |
e5148e25 | 405 | ksession, monitor); |
f1e16794 | 406 | if (ret < 0) { |
f1e16794 DG |
407 | goto error; |
408 | } | |
6986ab9b | 409 | stream->sent_to_consumer = true; |
f1e16794 DG |
410 | } |
411 | ||
f1e16794 | 412 | error: |
e098433c | 413 | rcu_read_unlock(); |
f1e16794 DG |
414 | return ret; |
415 | } | |
416 | ||
417 | /* | |
418 | * Send all stream fds of the kernel session to the consumer. | |
9a318688 JG |
419 | * |
420 | * The consumer socket lock must be held by the caller. | |
f1e16794 | 421 | */ |
f50f23d9 DG |
422 | int kernel_consumer_send_session(struct consumer_socket *sock, |
423 | struct ltt_kernel_session *session) | |
f1e16794 | 424 | { |
2bba9e53 | 425 | int ret, monitor = 0; |
f1e16794 | 426 | struct ltt_kernel_channel *chan; |
f1e16794 | 427 | |
00e2e675 DG |
428 | /* Safety net */ |
429 | assert(session); | |
430 | assert(session->consumer); | |
f50f23d9 | 431 | assert(sock); |
f1e16794 | 432 | |
00e2e675 DG |
433 | /* Bail out if consumer is disabled */ |
434 | if (!session->consumer->enabled) { | |
f73fabfd | 435 | ret = LTTNG_OK; |
00e2e675 | 436 | goto error; |
f1e16794 DG |
437 | } |
438 | ||
2bba9e53 DG |
439 | /* Don't monitor the streams on the consumer if in flight recorder. */ |
440 | if (session->output_traces) { | |
441 | monitor = 1; | |
442 | } | |
443 | ||
00e2e675 DG |
444 | DBG("Sending session stream to kernel consumer"); |
445 | ||
609af759 | 446 | if (session->metadata_stream_fd >= 0 && session->metadata) { |
2bba9e53 | 447 | ret = kernel_consumer_add_metadata(sock, session, monitor); |
f1e16794 | 448 | if (ret < 0) { |
f1e16794 DG |
449 | goto error; |
450 | } | |
f1e16794 DG |
451 | } |
452 | ||
00e2e675 | 453 | /* Send channel and streams of it */ |
f1e16794 | 454 | cds_list_for_each_entry(chan, &session->channel_list.head, list) { |
1fc1b7c8 | 455 | ret = kernel_consumer_send_channel_streams(sock, chan, session, |
2bba9e53 | 456 | monitor); |
f1e16794 DG |
457 | if (ret < 0) { |
458 | goto error; | |
459 | } | |
601262d6 JD |
460 | if (monitor) { |
461 | /* | |
462 | * Inform the relay that all the streams for the | |
463 | * channel were sent. | |
464 | */ | |
e1f3997a | 465 | ret = kernel_consumer_streams_sent(sock, session, chan->key); |
601262d6 JD |
466 | if (ret < 0) { |
467 | goto error; | |
468 | } | |
469 | } | |
f1e16794 DG |
470 | } |
471 | ||
00e2e675 | 472 | DBG("Kernel consumer FDs of metadata and channel streams sent"); |
f1e16794 | 473 | |
4ce9ff51 | 474 | session->consumer_fds_sent = 1; |
f1e16794 DG |
475 | return 0; |
476 | ||
477 | error: | |
478 | return ret; | |
479 | } | |
07b86b52 JD |
480 | |
481 | int kernel_consumer_destroy_channel(struct consumer_socket *socket, | |
482 | struct ltt_kernel_channel *channel) | |
483 | { | |
484 | int ret; | |
485 | struct lttcomm_consumer_msg msg; | |
486 | ||
487 | assert(channel); | |
488 | assert(socket); | |
07b86b52 | 489 | |
e1f3997a | 490 | DBG("Sending kernel consumer destroy channel key %" PRIu64, channel->key); |
07b86b52 | 491 | |
53efb85a | 492 | memset(&msg, 0, sizeof(msg)); |
07b86b52 | 493 | msg.cmd_type = LTTNG_CONSUMER_DESTROY_CHANNEL; |
e1f3997a | 494 | msg.u.destroy_channel.key = channel->key; |
07b86b52 JD |
495 | |
496 | pthread_mutex_lock(socket->lock); | |
497 | health_code_update(); | |
498 | ||
499 | ret = consumer_send_msg(socket, &msg); | |
500 | if (ret < 0) { | |
501 | goto error; | |
502 | } | |
503 | ||
504 | error: | |
505 | health_code_update(); | |
506 | pthread_mutex_unlock(socket->lock); | |
507 | return ret; | |
508 | } | |
509 | ||
510 | int kernel_consumer_destroy_metadata(struct consumer_socket *socket, | |
511 | struct ltt_kernel_metadata *metadata) | |
512 | { | |
513 | int ret; | |
514 | struct lttcomm_consumer_msg msg; | |
515 | ||
516 | assert(metadata); | |
517 | assert(socket); | |
07b86b52 | 518 | |
d40f0359 | 519 | DBG("Sending kernel consumer destroy channel key %" PRIu64, metadata->key); |
07b86b52 | 520 | |
53efb85a | 521 | memset(&msg, 0, sizeof(msg)); |
07b86b52 | 522 | msg.cmd_type = LTTNG_CONSUMER_DESTROY_CHANNEL; |
d40f0359 | 523 | msg.u.destroy_channel.key = metadata->key; |
07b86b52 JD |
524 | |
525 | pthread_mutex_lock(socket->lock); | |
526 | health_code_update(); | |
527 | ||
528 | ret = consumer_send_msg(socket, &msg); | |
529 | if (ret < 0) { | |
530 | goto error; | |
531 | } | |
532 | ||
533 | error: | |
534 | health_code_update(); | |
535 | pthread_mutex_unlock(socket->lock); | |
536 | return ret; | |
537 | } |