Commit | Line | Data |
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d4a1283e JD |
1 | /* |
2 | * Copyright (C) 2011 - Julien Desfossez <julien.desfossez@polymtl.ca> | |
3 | * Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
4 | * | |
d14d33bf AM |
5 | * This program is free software; you can redistribute it and/or modify |
6 | * it under the terms of the GNU General Public License, version 2 only, | |
7 | * as published by the Free Software Foundation. | |
d4a1283e JD |
8 | * |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | * | |
d14d33bf AM |
14 | * You should have received a copy of the GNU General Public License along |
15 | * with this program; if not, write to the Free Software Foundation, Inc., | |
16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
d4a1283e JD |
17 | */ |
18 | ||
19 | #define _GNU_SOURCE | |
6c1c0768 | 20 | #define _LGPL_SOURCE |
d4a1283e JD |
21 | #include <fcntl.h> |
22 | #include <getopt.h> | |
23 | #include <grp.h> | |
24 | #include <limits.h> | |
25 | #include <pthread.h> | |
26 | #include <signal.h> | |
27 | #include <stdio.h> | |
28 | #include <stdlib.h> | |
29 | #include <string.h> | |
30 | #include <sys/ipc.h> | |
1ccfc0e3 | 31 | #include <sys/resource.h> |
d4a1283e JD |
32 | #include <sys/shm.h> |
33 | #include <sys/socket.h> | |
34 | #include <sys/stat.h> | |
35 | #include <sys/types.h> | |
36 | #include <urcu/list.h> | |
37 | #include <poll.h> | |
38 | #include <unistd.h> | |
03424a9b | 39 | #include <sys/mman.h> |
5348b470 | 40 | #include <assert.h> |
3bd1e081 | 41 | #include <config.h> |
7753dea8 | 42 | #include <urcu/compiler.h> |
1ccfc0e3 | 43 | #include <ulimit.h> |
d4a1283e | 44 | |
db758600 DG |
45 | #include <common/defaults.h> |
46 | #include <common/common.h> | |
f02e1e8a | 47 | #include <common/consumer.h> |
331744e3 | 48 | #include <common/consumer-timer.h> |
fb3a43a9 | 49 | #include <common/compat/poll.h> |
10a8a223 | 50 | #include <common/sessiond-comm/sessiond-comm.h> |
5c635c72 | 51 | #include <common/utils.h> |
10a8a223 DG |
52 | |
53 | #include "lttng-consumerd.h" | |
1fc79fb4 | 54 | #include "health-consumerd.h" |
d4a1283e | 55 | |
d8ef542d | 56 | /* threads (channel handling, poll, metadata, sessiond) */ |
331744e3 | 57 | |
5c635c72 MD |
58 | static pthread_t channel_thread, data_thread, metadata_thread, |
59 | sessiond_thread, metadata_timer_thread, health_thread; | |
d4a1283e | 60 | |
3183dbb0 | 61 | /* to count the number of times the user pressed ctrl+c */ |
13e44745 JD |
62 | static int sigintcount = 0; |
63 | ||
d4a1283e | 64 | /* Argument variables */ |
97e19046 DG |
65 | int lttng_opt_quiet; /* not static in error.h */ |
66 | int lttng_opt_verbose; /* not static in error.h */ | |
c7e35b03 JR |
67 | int lttng_opt_mi; /* not static in error.h */ |
68 | ||
d4a1283e JD |
69 | static int opt_daemon; |
70 | static const char *progname; | |
6533b585 DG |
71 | static char command_sock_path[PATH_MAX]; /* Global command socket path */ |
72 | static char error_sock_path[PATH_MAX]; /* Global error path */ | |
3bd1e081 | 73 | static enum lttng_consumer_type opt_type = LTTNG_CONSUMER_KERNEL; |
d4a1283e | 74 | |
7753dea8 | 75 | /* the liblttngconsumerd context */ |
3bd1e081 | 76 | static struct lttng_consumer_local_data *ctx; |
cb040cc1 | 77 | |
1fc79fb4 MD |
78 | /* Consumerd health monitoring */ |
79 | struct health_app *health_consumerd; | |
80 | ||
6c71277b MD |
81 | const char *tracing_group_name = DEFAULT_TRACING_GROUP; |
82 | ||
748b7b07 MD |
83 | int lttng_consumer_ready = NR_LTTNG_CONSUMER_READY; |
84 | ||
5c635c72 MD |
85 | enum lttng_consumer_type lttng_consumer_get_type(void) |
86 | { | |
87 | if (!ctx) { | |
88 | return LTTNG_CONSUMER_UNKNOWN; | |
89 | } | |
90 | return ctx->type; | |
91 | } | |
92 | ||
d4a1283e | 93 | /* |
6533b585 | 94 | * Signal handler for the daemon |
d4a1283e JD |
95 | */ |
96 | static void sighandler(int sig) | |
97 | { | |
13e44745 JD |
98 | if (sig == SIGINT && sigintcount++ == 0) { |
99 | DBG("ignoring first SIGINT"); | |
100 | return; | |
101 | } | |
102 | ||
ab1027f4 DG |
103 | /* |
104 | * Ignore SIGPIPE because it should not stop the consumer whenever a | |
105 | * SIGPIPE is catched through a FD operation. | |
106 | */ | |
107 | if (sig == SIGPIPE) { | |
108 | return; | |
109 | } | |
110 | ||
3bd1e081 | 111 | lttng_consumer_should_exit(ctx); |
d4a1283e JD |
112 | } |
113 | ||
114 | /* | |
6533b585 | 115 | * Setup signal handler for : |
d4a1283e JD |
116 | * SIGINT, SIGTERM, SIGPIPE |
117 | */ | |
118 | static int set_signal_handler(void) | |
119 | { | |
120 | int ret = 0; | |
121 | struct sigaction sa; | |
122 | sigset_t sigset; | |
123 | ||
124 | if ((ret = sigemptyset(&sigset)) < 0) { | |
8fdf2d4d | 125 | PERROR("sigemptyset"); |
d4a1283e JD |
126 | return ret; |
127 | } | |
128 | ||
129 | sa.sa_handler = sighandler; | |
130 | sa.sa_mask = sigset; | |
131 | sa.sa_flags = 0; | |
132 | if ((ret = sigaction(SIGTERM, &sa, NULL)) < 0) { | |
8fdf2d4d | 133 | PERROR("sigaction"); |
d4a1283e JD |
134 | return ret; |
135 | } | |
136 | ||
137 | if ((ret = sigaction(SIGINT, &sa, NULL)) < 0) { | |
8fdf2d4d | 138 | PERROR("sigaction"); |
d4a1283e JD |
139 | return ret; |
140 | } | |
141 | ||
142 | if ((ret = sigaction(SIGPIPE, &sa, NULL)) < 0) { | |
8fdf2d4d | 143 | PERROR("sigaction"); |
d4a1283e JD |
144 | return ret; |
145 | } | |
146 | ||
147 | return ret; | |
148 | } | |
149 | ||
d4a1283e | 150 | /* |
3183dbb0 | 151 | * Usage function on stream file. |
d4a1283e | 152 | */ |
3183dbb0 | 153 | static void usage(FILE *fp) |
d4a1283e | 154 | { |
3183dbb0 DG |
155 | fprintf(fp, "Usage: %s OPTIONS\n\nOptions:\n", progname); |
156 | fprintf(fp, " -h, --help " | |
d4a1283e | 157 | "Display this usage.\n"); |
6c71277b | 158 | fprintf(fp, " -c, --consumerd-cmd-sock PATH " |
d4a1283e | 159 | "Specify path for the command socket\n"); |
6c71277b | 160 | fprintf(fp, " -e, --consumerd-err-sock PATH " |
d4a1283e | 161 | "Specify path for the error socket\n"); |
3183dbb0 | 162 | fprintf(fp, " -d, --daemonize " |
d4a1283e | 163 | "Start as a daemon.\n"); |
3183dbb0 | 164 | fprintf(fp, " -q, --quiet " |
d4a1283e | 165 | "No output at all.\n"); |
3183dbb0 | 166 | fprintf(fp, " -v, --verbose " |
d4a1283e | 167 | "Verbose mode. Activate DBG() macro.\n"); |
3183dbb0 | 168 | fprintf(fp, " -V, --version " |
d4a1283e | 169 | "Show version number.\n"); |
6c71277b MD |
170 | fprintf(fp, " -g, --group NAME " |
171 | "Specify the tracing group name. (default: tracing)\n"); | |
3183dbb0 | 172 | fprintf(fp, " -k, --kernel " |
3bd1e081 | 173 | "Consumer kernel buffers (default).\n"); |
3183dbb0 | 174 | fprintf(fp, " -u, --ust " |
3bd1e081 | 175 | "Consumer UST buffers.%s\n", |
74d0b642 | 176 | #ifdef HAVE_LIBLTTNG_UST_CTL |
3bd1e081 MD |
177 | "" |
178 | #else | |
179 | " (support not compiled in)" | |
180 | #endif | |
181 | ); | |
d4a1283e JD |
182 | } |
183 | ||
184 | /* | |
185 | * daemon argument parsing | |
186 | */ | |
8f7a281b | 187 | static int parse_args(int argc, char **argv) |
d4a1283e | 188 | { |
8f7a281b | 189 | int c, ret = 0; |
d4a1283e JD |
190 | |
191 | static struct option long_options[] = { | |
7753dea8 MD |
192 | { "consumerd-cmd-sock", 1, 0, 'c' }, |
193 | { "consumerd-err-sock", 1, 0, 'e' }, | |
d4a1283e | 194 | { "daemonize", 0, 0, 'd' }, |
6c71277b | 195 | { "group", 1, 0, 'g' }, |
d4a1283e JD |
196 | { "help", 0, 0, 'h' }, |
197 | { "quiet", 0, 0, 'q' }, | |
198 | { "verbose", 0, 0, 'v' }, | |
199 | { "version", 0, 0, 'V' }, | |
3bd1e081 | 200 | { "kernel", 0, 0, 'k' }, |
74d0b642 | 201 | #ifdef HAVE_LIBLTTNG_UST_CTL |
3bd1e081 MD |
202 | { "ust", 0, 0, 'u' }, |
203 | #endif | |
d4a1283e JD |
204 | { NULL, 0, 0, 0 } |
205 | }; | |
206 | ||
207 | while (1) { | |
208 | int option_index = 0; | |
5acdb082 MD |
209 | c = getopt_long(argc, argv, "dhqvVku" "c:e:g:", |
210 | long_options, &option_index); | |
d4a1283e JD |
211 | if (c == -1) { |
212 | break; | |
213 | } | |
214 | ||
215 | switch (c) { | |
914a571b | 216 | case 0: |
5acdb082 MD |
217 | fprintf(stderr, "option %s", |
218 | long_options[option_index].name); | |
914a571b JD |
219 | if (optarg) { |
220 | fprintf(stderr, " with arg %s\n", optarg); | |
8f7a281b MD |
221 | ret = -1; |
222 | goto end; | |
914a571b JD |
223 | } |
224 | break; | |
225 | case 'c': | |
226 | snprintf(command_sock_path, PATH_MAX, "%s", optarg); | |
227 | break; | |
228 | case 'e': | |
229 | snprintf(error_sock_path, PATH_MAX, "%s", optarg); | |
230 | break; | |
231 | case 'd': | |
232 | opt_daemon = 1; | |
233 | break; | |
6c71277b MD |
234 | case 'g': |
235 | tracing_group_name = optarg; | |
236 | break; | |
914a571b | 237 | case 'h': |
3183dbb0 DG |
238 | usage(stdout); |
239 | exit(EXIT_SUCCESS); | |
914a571b | 240 | case 'q': |
97e19046 | 241 | lttng_opt_quiet = 1; |
914a571b JD |
242 | break; |
243 | case 'v': | |
97e19046 | 244 | lttng_opt_verbose = 1; |
914a571b JD |
245 | break; |
246 | case 'V': | |
247 | fprintf(stdout, "%s\n", VERSION); | |
248 | exit(EXIT_SUCCESS); | |
3bd1e081 MD |
249 | case 'k': |
250 | opt_type = LTTNG_CONSUMER_KERNEL; | |
251 | break; | |
74d0b642 | 252 | #ifdef HAVE_LIBLTTNG_UST_CTL |
3bd1e081 | 253 | case 'u': |
7753dea8 MD |
254 | # if (CAA_BITS_PER_LONG == 64) |
255 | opt_type = LTTNG_CONSUMER64_UST; | |
256 | # elif (CAA_BITS_PER_LONG == 32) | |
257 | opt_type = LTTNG_CONSUMER32_UST; | |
258 | # else | |
259 | # error "Unknown bitness" | |
260 | # endif | |
3bd1e081 MD |
261 | break; |
262 | #endif | |
914a571b | 263 | default: |
3183dbb0 | 264 | usage(stderr); |
8f7a281b MD |
265 | ret = -1; |
266 | goto end; | |
d4a1283e JD |
267 | } |
268 | } | |
8f7a281b MD |
269 | end: |
270 | return ret; | |
d4a1283e JD |
271 | } |
272 | ||
1ccfc0e3 DG |
273 | /* |
274 | * Set open files limit to unlimited. This daemon can open a large number of | |
275 | * file descriptors in order to consumer multiple kernel traces. | |
276 | */ | |
277 | static void set_ulimit(void) | |
278 | { | |
279 | int ret; | |
280 | struct rlimit lim; | |
281 | ||
282 | /* The kernel does not allowed an infinite limit for open files */ | |
283 | lim.rlim_cur = 65535; | |
284 | lim.rlim_max = 65535; | |
285 | ||
286 | ret = setrlimit(RLIMIT_NOFILE, &lim); | |
287 | if (ret < 0) { | |
288 | PERROR("failed to set open files limit"); | |
289 | } | |
290 | } | |
291 | ||
d4a1283e JD |
292 | /* |
293 | * main | |
294 | */ | |
295 | int main(int argc, char **argv) | |
296 | { | |
72f11bd7 | 297 | int ret = 0, retval = 0; |
d4a1283e JD |
298 | void *status; |
299 | ||
72f11bd7 MD |
300 | if (set_signal_handler()) { |
301 | retval = -1; | |
302 | goto exit_set_signal_handler; | |
303 | } | |
304 | ||
d4a1283e JD |
305 | /* Parse arguments */ |
306 | progname = argv[0]; | |
72f11bd7 MD |
307 | if (parse_args(argc, argv)) { |
308 | retval = -1; | |
309 | goto exit_options; | |
310 | } | |
d4a1283e JD |
311 | |
312 | /* Daemonize */ | |
313 | if (opt_daemon) { | |
ceed52b5 MD |
314 | int i; |
315 | ||
316 | /* | |
317 | * fork | |
318 | * child: setsid, close FD 0, 1, 2, chdir / | |
319 | * parent: exit (if fork is successful) | |
320 | */ | |
d4a1283e JD |
321 | ret = daemon(0, 0); |
322 | if (ret < 0) { | |
ceed52b5 | 323 | PERROR("daemon"); |
72f11bd7 MD |
324 | retval = -1; |
325 | goto exit_options; | |
d4a1283e | 326 | } |
ceed52b5 MD |
327 | /* |
328 | * We are in the child. Make sure all other file | |
329 | * descriptors are closed, in case we are called with | |
330 | * more opened file descriptors than the standard ones. | |
331 | */ | |
332 | for (i = 3; i < sysconf(_SC_OPEN_MAX); i++) { | |
333 | (void) close(i); | |
334 | } | |
d4a1283e JD |
335 | } |
336 | ||
72f11bd7 MD |
337 | /* |
338 | * Starting from here, we can create threads. This needs to be after | |
339 | * lttng_daemonize due to RCU. | |
340 | */ | |
341 | ||
342 | health_consumerd = health_app_create(NR_HEALTH_CONSUMERD_TYPES); | |
343 | if (!health_consumerd) { | |
344 | retval = -1; | |
345 | goto exit_health_consumerd_cleanup; | |
346 | } | |
347 | ||
fb3a43a9 DG |
348 | /* Set up max poll set size */ |
349 | lttng_poll_set_max_size(); | |
350 | ||
9d035200 | 351 | if (*command_sock_path == '\0') { |
7753dea8 MD |
352 | switch (opt_type) { |
353 | case LTTNG_CONSUMER_KERNEL: | |
72f11bd7 MD |
354 | ret = snprintf(command_sock_path, PATH_MAX, |
355 | DEFAULT_KCONSUMERD_CMD_SOCK_PATH, | |
990570ed | 356 | DEFAULT_LTTNG_RUNDIR); |
72f11bd7 MD |
357 | if (ret < 0) { |
358 | retval = -1; | |
359 | goto exit_init_data; | |
360 | } | |
7753dea8 MD |
361 | break; |
362 | case LTTNG_CONSUMER64_UST: | |
72f11bd7 MD |
363 | ret = snprintf(command_sock_path, PATH_MAX, |
364 | DEFAULT_USTCONSUMERD64_CMD_SOCK_PATH, | |
365 | DEFAULT_LTTNG_RUNDIR); | |
366 | if (ret < 0) { | |
367 | retval = -1; | |
368 | goto exit_init_data; | |
369 | } | |
7753dea8 MD |
370 | break; |
371 | case LTTNG_CONSUMER32_UST: | |
72f11bd7 MD |
372 | ret = snprintf(command_sock_path, PATH_MAX, |
373 | DEFAULT_USTCONSUMERD32_CMD_SOCK_PATH, | |
374 | DEFAULT_LTTNG_RUNDIR); | |
375 | if (ret < 0) { | |
376 | retval = -1; | |
377 | goto exit_init_data; | |
378 | } | |
7753dea8 MD |
379 | break; |
380 | default: | |
72f11bd7 MD |
381 | ERR("Unknown consumerd type"); |
382 | retval = -1; | |
383 | goto exit_init_data; | |
7753dea8 | 384 | } |
d4a1283e | 385 | } |
e4421fec DG |
386 | |
387 | /* Init */ | |
72f11bd7 MD |
388 | if (lttng_consumer_init()) { |
389 | retval = -1; | |
390 | goto exit_init_data; | |
282dadbc MD |
391 | } |
392 | ||
72f11bd7 | 393 | /* Initialize communication library */ |
e98ec547 | 394 | lttcomm_init(); |
72f11bd7 | 395 | /* Initialize TCP timeout values */ |
e98ec547 | 396 | lttcomm_inet_init(); |
e4421fec | 397 | |
1ccfc0e3 DG |
398 | if (!getuid()) { |
399 | /* Set limit for open files */ | |
400 | set_ulimit(); | |
401 | } | |
402 | ||
5348b470 | 403 | /* create the consumer instance with and assign the callbacks */ |
d41f73b7 MD |
404 | ctx = lttng_consumer_create(opt_type, lttng_consumer_read_subbuffer, |
405 | NULL, lttng_consumer_on_recv_stream, NULL); | |
72f11bd7 MD |
406 | if (!ctx) { |
407 | retval = -1; | |
408 | goto exit_init_data; | |
cb040cc1 JD |
409 | } |
410 | ||
3bd1e081 | 411 | lttng_consumer_set_command_sock_path(ctx, command_sock_path); |
9d035200 | 412 | if (*error_sock_path == '\0') { |
7753dea8 MD |
413 | switch (opt_type) { |
414 | case LTTNG_CONSUMER_KERNEL: | |
72f11bd7 MD |
415 | ret = snprintf(error_sock_path, PATH_MAX, |
416 | DEFAULT_KCONSUMERD_ERR_SOCK_PATH, | |
990570ed | 417 | DEFAULT_LTTNG_RUNDIR); |
72f11bd7 MD |
418 | if (ret < 0) { |
419 | retval = -1; | |
420 | goto exit_init_data; | |
421 | } | |
7753dea8 MD |
422 | break; |
423 | case LTTNG_CONSUMER64_UST: | |
72f11bd7 MD |
424 | ret = snprintf(error_sock_path, PATH_MAX, |
425 | DEFAULT_USTCONSUMERD64_ERR_SOCK_PATH, | |
426 | DEFAULT_LTTNG_RUNDIR); | |
427 | if (ret < 0) { | |
428 | retval = -1; | |
429 | goto exit_init_data; | |
430 | } | |
7753dea8 MD |
431 | break; |
432 | case LTTNG_CONSUMER32_UST: | |
72f11bd7 MD |
433 | ret = snprintf(error_sock_path, PATH_MAX, |
434 | DEFAULT_USTCONSUMERD32_ERR_SOCK_PATH, | |
435 | DEFAULT_LTTNG_RUNDIR); | |
436 | if (ret < 0) { | |
437 | retval = -1; | |
438 | goto exit_init_data; | |
439 | } | |
7753dea8 MD |
440 | break; |
441 | default: | |
72f11bd7 MD |
442 | ERR("Unknown consumerd type"); |
443 | retval = -1; | |
444 | goto exit_init_data; | |
7753dea8 | 445 | } |
d4a1283e JD |
446 | } |
447 | ||
32258573 | 448 | /* Connect to the socket created by lttng-sessiond to report errors */ |
d4a1283e | 449 | DBG("Connecting to error socket %s", error_sock_path); |
1ce86c9a | 450 | ret = lttcomm_connect_unix_sock(error_sock_path); |
72f11bd7 MD |
451 | /* |
452 | * Not a fatal error, but all communication with lttng-sessiond will | |
453 | * fail. | |
454 | */ | |
1ce86c9a | 455 | if (ret < 0) { |
99bab54f | 456 | WARN("Cannot connect to error socket (is lttng-sessiond started?)"); |
d4a1283e | 457 | } |
3bd1e081 | 458 | lttng_consumer_set_error_sock(ctx, ret); |
d4a1283e | 459 | |
331744e3 | 460 | /* |
d3e2ba59 JD |
461 | * Block RT signals used for UST periodical metadata flush and the live |
462 | * timer in main, and create a dedicated thread to handle these signals. | |
331744e3 | 463 | */ |
72f11bd7 MD |
464 | if (consumer_signal_init()) { |
465 | retval = -1; | |
466 | goto exit_init_data; | |
467 | } | |
d3e2ba59 | 468 | |
331744e3 JD |
469 | ctx->type = opt_type; |
470 | ||
72f11bd7 MD |
471 | if (utils_create_pipe(health_quit_pipe)) { |
472 | retval = -1; | |
473 | goto exit_health_pipe; | |
5c635c72 MD |
474 | } |
475 | ||
476 | /* Create thread to manage the client socket */ | |
477 | ret = pthread_create(&health_thread, NULL, | |
478 | thread_manage_health, (void *) NULL); | |
72f11bd7 MD |
479 | if (ret) { |
480 | errno = ret; | |
5c635c72 | 481 | PERROR("pthread_create health"); |
72f11bd7 MD |
482 | retval = -1; |
483 | goto exit_health_thread; | |
5c635c72 MD |
484 | } |
485 | ||
748b7b07 MD |
486 | /* |
487 | * Wait for health thread to be initialized before letting the | |
488 | * sessiond thread reply to the sessiond that we are ready. | |
489 | */ | |
490 | while (uatomic_read(<tng_consumer_ready)) { | |
1f3130d5 | 491 | usleep(100000); |
748b7b07 MD |
492 | } |
493 | cmm_smp_mb(); /* Read ready before following operations */ | |
494 | ||
d8ef542d | 495 | /* Create thread to manage channels */ |
72f11bd7 MD |
496 | ret = pthread_create(&channel_thread, NULL, |
497 | consumer_thread_channel_poll, | |
d8ef542d | 498 | (void *) ctx); |
72f11bd7 MD |
499 | if (ret) { |
500 | errno = ret; | |
501 | PERROR("pthread_create"); | |
502 | retval = -1; | |
503 | goto exit_channel_thread; | |
d8ef542d MD |
504 | } |
505 | ||
7d980def | 506 | /* Create thread to manage the polling/writing of trace metadata */ |
72f11bd7 MD |
507 | ret = pthread_create(&metadata_thread, NULL, |
508 | consumer_thread_metadata_poll, | |
7d980def | 509 | (void *) ctx); |
72f11bd7 MD |
510 | if (ret) { |
511 | errno = ret; | |
512 | PERROR("pthread_create"); | |
513 | retval = -1; | |
514 | goto exit_metadata_thread; | |
7d980def DG |
515 | } |
516 | ||
517 | /* Create thread to manage the polling/writing of trace data */ | |
df27ef7b | 518 | ret = pthread_create(&data_thread, NULL, consumer_thread_data_poll, |
cb040cc1 | 519 | (void *) ctx); |
72f11bd7 MD |
520 | if (ret) { |
521 | errno = ret; | |
522 | PERROR("pthread_create"); | |
523 | retval = -1; | |
524 | goto exit_data_thread; | |
d4a1283e JD |
525 | } |
526 | ||
7d980def | 527 | /* Create the thread to manage the receive of fd */ |
72f11bd7 MD |
528 | ret = pthread_create(&sessiond_thread, NULL, |
529 | consumer_thread_sessiond_poll, | |
cb040cc1 | 530 | (void *) ctx); |
72f11bd7 MD |
531 | if (ret) { |
532 | errno = ret; | |
533 | PERROR("pthread_create"); | |
534 | retval = -1; | |
535 | goto exit_sessiond_thread; | |
df27ef7b DG |
536 | } |
537 | ||
d3e2ba59 JD |
538 | /* |
539 | * Create the thread to manage the UST metadata periodic timer and | |
540 | * live timer. | |
541 | */ | |
542 | ret = pthread_create(&metadata_timer_thread, NULL, | |
543 | consumer_timer_thread, (void *) ctx); | |
72f11bd7 MD |
544 | if (ret) { |
545 | errno = ret; | |
546 | PERROR("pthread_create"); | |
547 | retval = -1; | |
548 | goto exit_metadata_timer_thread; | |
d3e2ba59 | 549 | } |
331744e3 | 550 | |
d3e2ba59 JD |
551 | ret = pthread_detach(metadata_timer_thread); |
552 | if (ret) { | |
553 | errno = ret; | |
72f11bd7 MD |
554 | PERROR("pthread_detach"); |
555 | retval = -1; | |
556 | goto exit_metadata_timer_detach; | |
331744e3 JD |
557 | } |
558 | ||
72f11bd7 MD |
559 | /* |
560 | * This is where we start awaiting program completion (e.g. through | |
561 | * signal that asks threads to teardown. | |
562 | */ | |
563 | ||
564 | exit_metadata_timer_detach: | |
565 | exit_metadata_timer_thread: | |
df27ef7b | 566 | ret = pthread_join(sessiond_thread, &status); |
72f11bd7 MD |
567 | if (ret) { |
568 | errno = ret; | |
569 | PERROR("pthread_join sessiond_thread"); | |
570 | retval = -1; | |
d4a1283e | 571 | } |
72f11bd7 | 572 | exit_sessiond_thread: |
d4a1283e | 573 | |
df27ef7b | 574 | ret = pthread_join(data_thread, &status); |
72f11bd7 MD |
575 | if (ret) { |
576 | errno = ret; | |
577 | PERROR("pthread_join data_thread"); | |
578 | retval = -1; | |
df27ef7b | 579 | } |
72f11bd7 | 580 | exit_data_thread: |
df27ef7b | 581 | |
df27ef7b | 582 | ret = pthread_join(metadata_thread, &status); |
72f11bd7 MD |
583 | if (ret) { |
584 | errno = ret; | |
585 | PERROR("pthread_join metadata_thread"); | |
586 | retval = -1; | |
df27ef7b | 587 | } |
72f11bd7 | 588 | exit_metadata_thread: |
df27ef7b | 589 | |
d8ef542d | 590 | ret = pthread_join(channel_thread, &status); |
72f11bd7 MD |
591 | if (ret) { |
592 | errno = ret; | |
593 | PERROR("pthread_join channel_thread"); | |
594 | retval = -1; | |
d8ef542d | 595 | } |
72f11bd7 | 596 | exit_channel_thread: |
d8ef542d | 597 | |
5c635c72 | 598 | ret = pthread_join(health_thread, &status); |
72f11bd7 MD |
599 | if (ret) { |
600 | errno = ret; | |
601 | PERROR("pthread_join health_thread"); | |
602 | retval = -1; | |
5c635c72 | 603 | } |
72f11bd7 | 604 | exit_health_thread: |
5c635c72 | 605 | |
5c635c72 | 606 | utils_close_pipe(health_quit_pipe); |
72f11bd7 | 607 | exit_health_pipe: |
5c635c72 | 608 | |
72f11bd7 | 609 | exit_init_data: |
3bd1e081 MD |
610 | lttng_consumer_destroy(ctx); |
611 | lttng_consumer_cleanup(); | |
72f11bd7 | 612 | |
1fc79fb4 MD |
613 | if (health_consumerd) { |
614 | health_app_destroy(health_consumerd); | |
615 | } | |
72f11bd7 | 616 | exit_health_consumerd_cleanup: |
d4a1283e | 617 | |
72f11bd7 MD |
618 | exit_options: |
619 | ||
620 | exit_set_signal_handler: | |
621 | if (!retval) { | |
622 | exit(EXIT_SUCCESS); | |
623 | } else { | |
624 | exit(EXIT_FAILURE); | |
625 | } | |
d4a1283e | 626 | } |