Commit | Line | Data |
---|---|---|
826d496d MD |
1 | /* |
2 | * Copyright (c) 2011 David Goulet <david.goulet@polymtl.ca> | |
fac6795d DG |
3 | * |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
82a3637f DG |
6 | * as published by the Free Software Foundation; only version 2 |
7 | * of the License. | |
fac6795d DG |
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 | * | |
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. | |
fac6795d DG |
17 | */ |
18 | ||
19 | #define _GNU_SOURCE | |
fac6795d | 20 | #include <getopt.h> |
f3ed775e | 21 | #include <signal.h> |
fac6795d DG |
22 | #include <stdio.h> |
23 | #include <stdlib.h> | |
24 | #include <string.h> | |
8db8d1dc DG |
25 | #include <sys/types.h> |
26 | #include <sys/wait.h> | |
fac6795d | 27 | #include <unistd.h> |
3bd1e081 | 28 | #include <config.h> |
fac6795d | 29 | |
5b97ec60 | 30 | #include <lttng/lttng.h> |
db758600 | 31 | #include <common/error.h> |
fac6795d | 32 | |
c399183f | 33 | #include "command.h" |
fac6795d DG |
34 | |
35 | /* Variables */ | |
36 | static char *progname; | |
fac6795d | 37 | |
f3ed775e DG |
38 | int opt_quiet; |
39 | int opt_verbose; | |
40 | static int opt_no_sessiond; | |
41 | static char *opt_sessiond_path; | |
8db8d1dc | 42 | static pid_t sessiond_pid; |
5a532b68 | 43 | static volatile int recv_child_signal; |
f3ed775e DG |
44 | |
45 | enum { | |
f3ed775e | 46 | OPT_SESSION_PATH, |
865abf65 SM |
47 | OPT_DUMP_OPTIONS, |
48 | OPT_DUMP_COMMANDS, | |
f3ed775e DG |
49 | }; |
50 | ||
51 | /* Getopt options. No first level command. */ | |
52 | static struct option long_options[] = { | |
53 | {"help", 0, NULL, 'h'}, | |
54 | {"group", 1, NULL, 'g'}, | |
55 | {"verbose", 0, NULL, 'v'}, | |
56 | {"quiet", 0, NULL, 'q'}, | |
8490ae7b | 57 | {"no-sessiond", 0, NULL, 'n'}, |
f3ed775e | 58 | {"sessiond-path", 1, NULL, OPT_SESSION_PATH}, |
865abf65 SM |
59 | {"list-options", 0, NULL, OPT_DUMP_OPTIONS}, |
60 | {"list-commands", 0, NULL, OPT_DUMP_COMMANDS}, | |
f3ed775e DG |
61 | {NULL, 0, NULL, 0} |
62 | }; | |
63 | ||
64 | /* First level command */ | |
65 | static struct cmd_struct commands[] = { | |
66 | { "list", cmd_list}, | |
67 | { "create", cmd_create}, | |
68 | { "destroy", cmd_destroy}, | |
f3ed775e DG |
69 | { "start", cmd_start}, |
70 | { "stop", cmd_stop}, | |
71 | { "enable-event", cmd_enable_events}, | |
e953ef25 | 72 | { "disable-event", cmd_disable_events}, |
d36b8583 | 73 | { "enable-channel", cmd_enable_channels}, |
26cc6b4e | 74 | { "disable-channel", cmd_disable_channels}, |
d65106b1 | 75 | { "add-context", cmd_add_context}, |
3087ef18 | 76 | { "set-session", cmd_set_session}, |
eb9cb8b7 | 77 | { "version", cmd_version}, |
d0254c7c | 78 | { "calibrate", cmd_calibrate}, |
f3ed775e DG |
79 | { NULL, NULL} /* Array closure */ |
80 | }; | |
81 | ||
82 | static void usage(FILE *ofp) | |
8c0faa1d | 83 | { |
f3ed775e | 84 | fprintf(ofp, "LTTng Trace Control " VERSION"\n\n"); |
852fdd0c | 85 | fprintf(ofp, "usage: lttng [OPTIONS] <COMMAND>\n"); |
f3ed775e DG |
86 | fprintf(ofp, "\n"); |
87 | fprintf(ofp, "Options:\n"); | |
88 | fprintf(ofp, " -h, --help Show this help\n"); | |
852fdd0c DG |
89 | fprintf(ofp, " --list-options Simple listing of lttng options\n"); |
90 | fprintf(ofp, " --list-commands Simple listing of lttng commands\n"); | |
91 | fprintf(ofp, " -v, --verbose Increase verbosity\n"); | |
f3ed775e | 92 | fprintf(ofp, " -q, --quiet Quiet mode\n"); |
852fdd0c | 93 | fprintf(ofp, " -g, --group NAME Unix tracing group name. (default: tracing)\n"); |
8490ae7b | 94 | fprintf(ofp, " -n, --no-sessiond Don't spawn a session daemon\n"); |
f3ed775e DG |
95 | fprintf(ofp, " --sessiond-path Session daemon full path\n"); |
96 | fprintf(ofp, "\n"); | |
97 | fprintf(ofp, "Commands:\n"); | |
852fdd0c | 98 | fprintf(ofp, " add-context Add context to event and/or channel\n"); |
d0254c7c | 99 | fprintf(ofp, " calibrate Quantify LTTng overhead\n"); |
f3ed775e | 100 | fprintf(ofp, " create Create tracing session\n"); |
852fdd0c | 101 | fprintf(ofp, " destroy Tear down tracing session\n"); |
d36b8583 | 102 | fprintf(ofp, " enable-channel Enable tracing channel\n"); |
26cc6b4e DG |
103 | fprintf(ofp, " enable-event Enable tracing event\n"); |
104 | fprintf(ofp, " disable-channel Disable tracing channel\n"); | |
f3ed775e DG |
105 | fprintf(ofp, " disable-event Disable tracing event\n"); |
106 | fprintf(ofp, " list List possible tracing options\n"); | |
3087ef18 | 107 | fprintf(ofp, " set-session Set current session name\n"); |
f3ed775e DG |
108 | fprintf(ofp, " start Start tracing\n"); |
109 | fprintf(ofp, " stop Stop tracing\n"); | |
110 | fprintf(ofp, " version Show version information\n"); | |
111 | fprintf(ofp, "\n"); | |
112 | fprintf(ofp, "Please see the lttng(1) man page for full documentation.\n"); | |
113 | fprintf(ofp, "See http://lttng.org for updates, bug reports and news.\n"); | |
8c0faa1d DG |
114 | } |
115 | ||
865abf65 SM |
116 | /* |
117 | * list_options | |
118 | * | |
119 | * List options line by line. This is mostly for bash auto completion and to | |
120 | * avoid difficult parsing. | |
121 | */ | |
122 | static void list_options(FILE *ofp) | |
123 | { | |
124 | int i = 0; | |
125 | struct option *option = NULL; | |
126 | ||
127 | option = &long_options[i]; | |
128 | while (option->name != NULL) { | |
129 | fprintf(ofp, "--%s\n", option->name); | |
130 | ||
131 | if (isprint(option->val)) { | |
132 | fprintf(ofp, "-%c\n", option->val); | |
133 | } | |
134 | ||
135 | i++; | |
136 | option = &long_options[i]; | |
137 | } | |
138 | } | |
139 | ||
140 | /* | |
141 | * list_commands | |
142 | * | |
143 | * List commands line by line. This is mostly for bash auto completion and to | |
144 | * avoid difficult parsing. | |
145 | */ | |
146 | static void list_commands(FILE *ofp) | |
147 | { | |
148 | int i = 0; | |
149 | struct cmd_struct *cmd = NULL; | |
150 | ||
151 | cmd = &commands[i]; | |
152 | while (cmd->name != NULL) { | |
153 | fprintf(ofp, "%s\n", cmd->name); | |
154 | i++; | |
155 | cmd = &commands[i]; | |
156 | } | |
157 | } | |
158 | ||
7442b2ba | 159 | /* |
f3ed775e | 160 | * clean_exit |
96243366 | 161 | */ |
f3ed775e | 162 | static void clean_exit(int code) |
96243366 | 163 | { |
f3ed775e DG |
164 | DBG("Clean exit"); |
165 | exit(code); | |
894be886 | 166 | } |
96243366 | 167 | |
894be886 | 168 | /* |
f3ed775e | 169 | * sighandler |
2ef84c95 | 170 | * |
f3ed775e | 171 | * Signal handler for the daemon |
2ef84c95 | 172 | */ |
f3ed775e | 173 | static void sighandler(int sig) |
2ef84c95 | 174 | { |
8db8d1dc DG |
175 | int status; |
176 | ||
f3ed775e DG |
177 | switch (sig) { |
178 | case SIGTERM: | |
3cede4fe | 179 | DBG("SIGTERM caugth"); |
f3ed775e DG |
180 | clean_exit(EXIT_FAILURE); |
181 | break; | |
182 | case SIGCHLD: | |
3cede4fe | 183 | DBG("SIGCHLD caugth"); |
8db8d1dc | 184 | waitpid(sessiond_pid, &status, 0); |
5a532b68 | 185 | recv_child_signal = 1; |
8db8d1dc DG |
186 | /* Indicate that the session daemon died */ |
187 | sessiond_pid = 0; | |
188 | ERR("Session daemon died (exit status %d)", WEXITSTATUS(status)); | |
189 | break; | |
190 | case SIGUSR1: | |
191 | /* Notify is done */ | |
5a532b68 | 192 | recv_child_signal = 1; |
8db8d1dc | 193 | DBG("SIGUSR1 caugth"); |
f3ed775e DG |
194 | break; |
195 | default: | |
3cede4fe | 196 | DBG("Unknown signal %d caugth", sig); |
f3ed775e | 197 | break; |
2ef84c95 DG |
198 | } |
199 | ||
f3ed775e | 200 | return; |
2ef84c95 DG |
201 | } |
202 | ||
203 | /* | |
f3ed775e | 204 | * set_signal_handler |
894be886 | 205 | * |
f3ed775e | 206 | * Setup signal handler for SIGCHLD and SIGTERM. |
894be886 | 207 | */ |
f3ed775e | 208 | static int set_signal_handler(void) |
894be886 | 209 | { |
f3ed775e DG |
210 | int ret = 0; |
211 | struct sigaction sa; | |
212 | sigset_t sigset; | |
33a2b854 | 213 | |
f3ed775e DG |
214 | if ((ret = sigemptyset(&sigset)) < 0) { |
215 | perror("sigemptyset"); | |
33a2b854 DG |
216 | goto end; |
217 | } | |
218 | ||
f3ed775e DG |
219 | sa.sa_handler = sighandler; |
220 | sa.sa_mask = sigset; | |
221 | sa.sa_flags = 0; | |
8db8d1dc | 222 | if ((ret = sigaction(SIGUSR1, &sa, NULL)) < 0) { |
f3ed775e | 223 | perror("sigaction"); |
96243366 DG |
224 | goto end; |
225 | } | |
226 | ||
f3ed775e DG |
227 | if ((ret = sigaction(SIGTERM, &sa, NULL)) < 0) { |
228 | perror("sigaction"); | |
229 | goto end; | |
894be886 DG |
230 | } |
231 | ||
8db8d1dc DG |
232 | if ((ret = sigaction(SIGCHLD, &sa, NULL)) < 0) { |
233 | perror("sigaction"); | |
234 | goto end; | |
235 | } | |
236 | ||
96243366 | 237 | end: |
57167058 DG |
238 | return ret; |
239 | } | |
240 | ||
fac6795d | 241 | /* |
f3ed775e | 242 | * handle_command |
fac6795d | 243 | * |
f3ed775e DG |
244 | * Handle the full argv list of a first level command. Will find the command |
245 | * in the global commands array and call the function callback associated. | |
1c9f7941 | 246 | * |
f3ed775e DG |
247 | * If command not found, return -1 |
248 | * else, return function command error code. | |
1c9f7941 | 249 | */ |
f3ed775e | 250 | static int handle_command(int argc, char **argv) |
1c9f7941 | 251 | { |
f3ed775e DG |
252 | int i = 0, ret; |
253 | struct cmd_struct *cmd; | |
1c9f7941 | 254 | |
f3ed775e DG |
255 | if (*argv == NULL) { |
256 | ret = CMD_SUCCESS; | |
47b74d63 | 257 | goto end; |
1c9f7941 DG |
258 | } |
259 | ||
f3ed775e DG |
260 | cmd = &commands[i]; |
261 | while (cmd->func != NULL) { | |
262 | /* Find command */ | |
263 | if (strcmp(argv[0], cmd->name) == 0) { | |
264 | ret = cmd->func(argc, (const char**) argv); | |
265 | switch (ret) { | |
d16c1a4c DG |
266 | case CMD_WARNING: |
267 | WARN("Some command(s) went wrong"); | |
268 | break; | |
f3ed775e DG |
269 | case CMD_ERROR: |
270 | ERR("Command error"); | |
271 | break; | |
f3ed775e DG |
272 | case CMD_UNDEFINED: |
273 | ERR("Undefined command"); | |
274 | break; | |
275 | case CMD_FATAL: | |
276 | ERR("Fatal error"); | |
277 | break; | |
278 | } | |
279 | goto end; | |
894be886 | 280 | } |
f3ed775e DG |
281 | i++; |
282 | cmd = &commands[i]; | |
894be886 DG |
283 | } |
284 | ||
f3ed775e DG |
285 | /* Command not found */ |
286 | ret = -1; | |
894be886 DG |
287 | |
288 | end: | |
f3ed775e | 289 | return ret; |
8548ff30 DG |
290 | } |
291 | ||
5b8719f5 DG |
292 | /* |
293 | * spawn_sessiond | |
294 | * | |
295 | * Spawn a session daemon by forking and execv. | |
296 | */ | |
297 | static int spawn_sessiond(char *pathname) | |
298 | { | |
299 | int ret = 0; | |
300 | pid_t pid; | |
301 | ||
f3ed775e | 302 | MSG("Spawning a session daemon"); |
5a532b68 | 303 | recv_child_signal = 0; |
5b8719f5 DG |
304 | pid = fork(); |
305 | if (pid == 0) { | |
5e16da05 MD |
306 | /* |
307 | * Spawn session daemon and tell | |
5b8719f5 DG |
308 | * it to signal us when ready. |
309 | */ | |
32258573 | 310 | execlp(pathname, "lttng-sessiond", "--sig-parent", "--quiet", NULL); |
5e16da05 MD |
311 | /* execlp only returns if error happened */ |
312 | if (errno == ENOENT) { | |
313 | ERR("No session daemon found. Use --sessiond-path."); | |
314 | } else { | |
315 | perror("execlp"); | |
5b8719f5 | 316 | } |
5a532b68 | 317 | kill(getppid(), SIGTERM); /* wake parent */ |
5e16da05 | 318 | exit(EXIT_FAILURE); |
5b8719f5 | 319 | } else if (pid > 0) { |
8db8d1dc | 320 | sessiond_pid = pid; |
5a532b68 | 321 | /* |
af87c45a DG |
322 | * Wait for lttng-sessiond to start. We need to use a flag to check if |
323 | * the signal has been sent to us, because the child can be scheduled | |
324 | * before the parent, and thus send the signal before this check. In | |
325 | * the signal handler, we set the recv_child_signal flag, so anytime we | |
326 | * check it after the fork is fine. Note that sleep() is interrupted | |
327 | * before the 1 second delay as soon as the signal is received, so it | |
328 | * will not cause visible delay for the user. | |
5a532b68 MD |
329 | */ |
330 | while (!recv_child_signal) { | |
331 | sleep(1); | |
332 | } | |
af87c45a DG |
333 | /* |
334 | * The signal handler will nullify sessiond_pid on SIGCHLD | |
335 | */ | |
8db8d1dc DG |
336 | if (!sessiond_pid) { |
337 | exit(EXIT_FAILURE); | |
338 | } | |
5b8719f5 DG |
339 | goto end; |
340 | } else { | |
341 | perror("fork"); | |
342 | ret = -1; | |
343 | goto end; | |
344 | } | |
345 | ||
346 | end: | |
347 | return ret; | |
348 | } | |
349 | ||
fac6795d | 350 | /* |
f3ed775e | 351 | * check_sessiond |
fac6795d DG |
352 | * |
353 | * Check if the session daemon is available using | |
5b8719f5 DG |
354 | * the liblttngctl API for the check. If not, try to |
355 | * spawn a daemon. | |
fac6795d | 356 | */ |
f3ed775e | 357 | static int check_sessiond(void) |
fac6795d DG |
358 | { |
359 | int ret; | |
5e16da05 | 360 | char *pathname = NULL, *alloc_pathname = NULL; |
fac6795d | 361 | |
947308c4 DG |
362 | ret = lttng_session_daemon_alive(); |
363 | if (ret == 0) { /* not alive */ | |
5b8719f5 DG |
364 | /* Try command line option path */ |
365 | if (opt_sessiond_path != NULL) { | |
366 | ret = access(opt_sessiond_path, F_OK | X_OK); | |
367 | if (ret < 0) { | |
3183dbb0 | 368 | ERR("No such file or access denied: %s", opt_sessiond_path); |
5b8719f5 DG |
369 | goto end; |
370 | } | |
371 | pathname = opt_sessiond_path; | |
372 | } else { | |
373 | /* Try LTTNG_SESSIOND_PATH env variable */ | |
bbccc3d2 | 374 | pathname = getenv(DEFAULT_SESSIOND_PATH_ENV); |
5b8719f5 DG |
375 | } |
376 | ||
377 | /* Let's rock and roll */ | |
378 | if (pathname == NULL) { | |
32258573 | 379 | ret = asprintf(&alloc_pathname, INSTALL_BIN_PATH "/lttng-sessiond"); |
5b8719f5 | 380 | if (ret < 0) { |
3f5fa9ed | 381 | perror("asprintf spawn sessiond"); |
5b8719f5 DG |
382 | goto end; |
383 | } | |
5e16da05 | 384 | pathname = alloc_pathname; |
5b8719f5 DG |
385 | } |
386 | ||
387 | ret = spawn_sessiond(pathname); | |
5e16da05 | 388 | free(alloc_pathname); |
5b8719f5 | 389 | if (ret < 0) { |
3183dbb0 | 390 | ERR("Problem occurred when starting %s", pathname); |
5b8719f5 DG |
391 | goto end; |
392 | } | |
fac6795d DG |
393 | } |
394 | ||
5b8719f5 | 395 | end: |
fac6795d DG |
396 | return ret; |
397 | } | |
398 | ||
bcfa8a05 | 399 | /* |
679b4943 SM |
400 | * Check args for specific options that *must* not trigger a session daemon |
401 | * execution. | |
402 | * | |
403 | * Return 1 if match else 0. | |
bcfa8a05 | 404 | */ |
679b4943 | 405 | static int check_args_no_sessiond(int argc, char **argv) |
bcfa8a05 DG |
406 | { |
407 | int i; | |
408 | ||
409 | for (i = 0; i < argc; i++) { | |
ba2926ef MD |
410 | if ((strncmp(argv[i], "-h", sizeof("-h")) == 0) || |
411 | strncmp(argv[i], "--h", sizeof("--h")) == 0 || | |
3183dbb0 DG |
412 | strncmp(argv[i], "--list-options", sizeof("--list-options")) == 0 || |
413 | strncmp(argv[i], "--list-commands", sizeof("--list-commands")) == 0) { | |
bcfa8a05 DG |
414 | return 1; |
415 | } | |
416 | } | |
417 | ||
418 | return 0; | |
419 | } | |
420 | ||
5b8719f5 | 421 | /* |
3183dbb0 | 422 | * Parse command line arguments. |
5b8719f5 | 423 | * |
3183dbb0 | 424 | * Return 0 if OK, else -1 |
5b8719f5 | 425 | */ |
f3ed775e | 426 | static int parse_args(int argc, char **argv) |
5b8719f5 | 427 | { |
f3ed775e | 428 | int opt, ret; |
5b8719f5 | 429 | |
f3ed775e DG |
430 | if (argc < 2) { |
431 | usage(stderr); | |
432 | clean_exit(EXIT_FAILURE); | |
5b8719f5 DG |
433 | } |
434 | ||
8490ae7b | 435 | while ((opt = getopt_long(argc, argv, "+hnvqg:", long_options, NULL)) != -1) { |
f3ed775e DG |
436 | switch (opt) { |
437 | case 'h': | |
3183dbb0 DG |
438 | usage(stdout); |
439 | goto end; | |
f3ed775e | 440 | case 'v': |
b551a063 | 441 | opt_verbose += 1; |
f3ed775e DG |
442 | break; |
443 | case 'q': | |
444 | opt_quiet = 1; | |
445 | break; | |
446 | case 'g': | |
447 | lttng_set_tracing_group(optarg); | |
448 | break; | |
8490ae7b | 449 | case 'n': |
f3ed775e DG |
450 | opt_no_sessiond = 1; |
451 | break; | |
452 | case OPT_SESSION_PATH: | |
453 | opt_sessiond_path = strdup(optarg); | |
454 | break; | |
865abf65 SM |
455 | case OPT_DUMP_OPTIONS: |
456 | list_options(stdout); | |
457 | ret = 0; | |
3183dbb0 | 458 | goto end; |
865abf65 SM |
459 | case OPT_DUMP_COMMANDS: |
460 | list_commands(stdout); | |
461 | ret = 0; | |
3183dbb0 | 462 | goto end; |
f3ed775e DG |
463 | default: |
464 | usage(stderr); | |
465 | goto error; | |
466 | } | |
5b8719f5 | 467 | } |
fac6795d | 468 | |
f3ed775e DG |
469 | /* If both options are specified, quiet wins */ |
470 | if (opt_verbose && opt_quiet) { | |
471 | opt_verbose = 0; | |
5b8719f5 DG |
472 | } |
473 | ||
f3ed775e | 474 | /* Spawn session daemon if needed */ |
679b4943 | 475 | if (opt_no_sessiond == 0 && check_args_no_sessiond(argc, argv) == 0 && |
bcfa8a05 | 476 | (check_sessiond() < 0)) { |
f3ed775e | 477 | goto error; |
5b8719f5 DG |
478 | } |
479 | ||
f3ed775e DG |
480 | /* No leftovers, print usage and quit */ |
481 | if ((argc - optind) == 0) { | |
482 | usage(stderr); | |
483 | goto error; | |
484 | } | |
7442b2ba | 485 | |
f3ed775e DG |
486 | /* |
487 | * Handle leftovers which is a first level command with the trailing | |
488 | * options. | |
489 | */ | |
490 | ret = handle_command(argc - optind, argv + optind); | |
491 | if (ret < 0) { | |
492 | if (ret == -1) { | |
493 | usage(stderr); | |
f3ed775e | 494 | } else { |
9a745bc7 | 495 | ERR("%s", lttng_strerror(ret)); |
f3ed775e | 496 | } |
1fff1faa | 497 | goto error; |
96243366 DG |
498 | } |
499 | ||
3183dbb0 | 500 | end: |
1fff1faa | 501 | return 0; |
f3ed775e DG |
502 | |
503 | error: | |
504 | return -1; | |
fac6795d DG |
505 | } |
506 | ||
f3ed775e | 507 | |
fac6795d | 508 | /* |
5b8719f5 | 509 | * main |
fac6795d DG |
510 | */ |
511 | int main(int argc, char *argv[]) | |
512 | { | |
513 | int ret; | |
514 | ||
515 | progname = argv[0] ? argv[0] : "lttng"; | |
516 | ||
517 | /* For Mathieu Desnoyers aka Dr Tracing */ | |
4666e71c DG |
518 | if (strncmp(progname, "drtrace", 7) == 0 || |
519 | strncmp("compudj", getenv("USER"), 7) == 0) { | |
520 | MSG("%c[%d;%dmWelcome back Dr Tracing!%c[%dm\n", 27,1,33,27,0); | |
fac6795d DG |
521 | } |
522 | ||
5b8719f5 DG |
523 | ret = set_signal_handler(); |
524 | if (ret < 0) { | |
87378cf5 | 525 | clean_exit(ret); |
5b8719f5 DG |
526 | } |
527 | ||
f3ed775e | 528 | ret = parse_args(argc, argv); |
1fff1faa DG |
529 | if (ret < 0) { |
530 | clean_exit(EXIT_FAILURE); | |
531 | } | |
87378cf5 | 532 | |
fac6795d DG |
533 | return 0; |
534 | } |