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ab33e65c PP |
1 | /* Copyright (C) 2009 Pierre-Marc Fournier, Philippe Proulx-Barrette |
2 | * | |
3 | * This library is free software; you can redistribute it and/or | |
4 | * modify it under the terms of the GNU Lesser General Public | |
5 | * License as published by the Free Software Foundation; either | |
6 | * version 2.1 of the License, or (at your option) any later version. | |
7 | * | |
8 | * This library is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
11 | * Lesser General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU Lesser General Public | |
14 | * License along with this library; if not, write to the Free Software | |
15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
16 | */ | |
17 | ||
ef290fca | 18 | #define _GNU_SOURCE |
ab33e65c PP |
19 | #include <stdio.h> |
20 | #include <unistd.h> | |
21 | #include <getopt.h> | |
22 | #include <stdlib.h> | |
23 | #include <fcntl.h> | |
24 | #include <string.h> | |
25 | #include <dirent.h> | |
ab33e65c PP |
26 | |
27 | #include "ustcomm.h" | |
d6c9f207 | 28 | #include "ust/ustcmd.h" |
2a79ceeb | 29 | #include "usterr.h" |
ab33e65c | 30 | |
08230db7 | 31 | pid_t *ustcmd_get_online_pids(void) |
772030fe | 32 | { |
08230db7 PMF |
33 | struct dirent *dirent; |
34 | DIR *dir; | |
ef290fca | 35 | unsigned int ret_size = 1 * sizeof(pid_t), i = 0; |
ab33e65c PP |
36 | |
37 | dir = opendir(SOCK_DIR); | |
38 | if (!dir) { | |
39 | return NULL; | |
40 | } | |
41 | ||
08230db7 | 42 | pid_t *ret = (pid_t *) malloc(ret_size); |
ab33e65c | 43 | |
772030fe | 44 | while ((dirent = readdir(dir))) { |
ab33e65c PP |
45 | if (!strcmp(dirent->d_name, ".") || |
46 | !strcmp(dirent->d_name, "..")) { | |
47 | ||
48 | continue; | |
49 | } | |
50 | ||
51 | if (dirent->d_type != DT_DIR && | |
52 | !!strcmp(dirent->d_name, "ustd")) { | |
53 | ||
08230db7 | 54 | sscanf(dirent->d_name, "%u", (unsigned int *) &ret[i]); |
4723ca09 NC |
55 | /* FIXME: Here we previously called pid_is_online, which |
56 | * always returned 1, now I replaced it with just 1. | |
57 | * We need to figure out an intelligent way of solving | |
58 | * this, maybe connect-disconnect. | |
59 | */ | |
60 | if (1) { | |
ab33e65c | 61 | ret_size += sizeof(pid_t); |
08230db7 | 62 | ret = (pid_t *) realloc(ret, ret_size); |
ab33e65c PP |
63 | ++i; |
64 | } | |
65 | } | |
66 | } | |
67 | ||
77957c95 | 68 | ret[i] = 0; /* Array end */ |
ab33e65c | 69 | |
08230db7 PMF |
70 | if (ret[0] == 0) { |
71 | /* No PID at all */ | |
ab33e65c PP |
72 | free(ret); |
73 | return NULL; | |
74 | } | |
75 | ||
76 | closedir(dir); | |
77 | return ret; | |
78 | } | |
79 | ||
80 | /** | |
81 | * Sets marker state (USTCMD_MS_ON or USTCMD_MS_OFF). | |
82 | * | |
83 | * @param mn Marker name | |
84 | * @param state Marker's new state | |
85 | * @param pid Traced process ID | |
86 | * @return 0 if successful, or errors {USTCMD_ERR_GEN, USTCMD_ERR_ARG} | |
87 | */ | |
08230db7 | 88 | int ustcmd_set_marker_state(const char *mn, int state, pid_t pid) |
ef290fca | 89 | { |
08230db7 PMF |
90 | char *cmd_str [] = {"disable_marker", "enable_marker"}; |
91 | char *cmd; | |
ef290fca PMF |
92 | int result; |
93 | ||
ab33e65c PP |
94 | if (mn == NULL) { |
95 | return USTCMD_ERR_ARG; | |
96 | } | |
97 | ||
08b8805e DG |
98 | if (asprintf(&cmd, "%s %s", cmd_str[state], mn) < 0) { |
99 | ERR("ustcmd_set_marker_state : asprintf failed (%s %s)", | |
100 | cmd_str[state], mn); | |
101 | return USTCMD_ERR_GEN; | |
102 | } | |
ab33e65c | 103 | |
08230db7 | 104 | result = ustcmd_send_cmd(cmd, pid, NULL); |
9d20cbf2 | 105 | if (result != 1) { |
ab33e65c PP |
106 | free(cmd); |
107 | return USTCMD_ERR_GEN; | |
108 | } | |
109 | ||
110 | free(cmd); | |
111 | return 0; | |
112 | } | |
113 | ||
763f41e5 DS |
114 | /** |
115 | * Set subbuffer size. | |
116 | * | |
117 | * @param channel_size Channel name and size | |
118 | * @param pid Traced process ID | |
119 | * @return 0 if successful, or error | |
120 | */ | |
121 | int ustcmd_set_subbuf_size(const char *channel_size, pid_t pid) | |
122 | { | |
123 | char *cmd; | |
124 | int result; | |
125 | ||
08b8805e DG |
126 | if (asprintf(&cmd, "%s %s", "set_subbuf_size", channel_size) < 0) { |
127 | ERR("ustcmd_set_subbuf_size : asprintf failed (set_subbuf_size %s)", | |
128 | channel_size); | |
129 | return -1; | |
130 | } | |
763f41e5 DS |
131 | |
132 | result = ustcmd_send_cmd(cmd, pid, NULL); | |
2a79ceeb | 133 | if (result != 1) { |
763f41e5 DS |
134 | free(cmd); |
135 | return 1; | |
136 | } | |
137 | ||
138 | free(cmd); | |
139 | return 0; | |
140 | } | |
141 | ||
142 | /** | |
143 | * Set subbuffer num. | |
144 | * | |
145 | * @param channel_num Channel name and num | |
146 | * @param pid Traced process ID | |
147 | * @return 0 if successful, or error | |
148 | */ | |
149 | int ustcmd_set_subbuf_num(const char *channel_size, pid_t pid) | |
150 | { | |
151 | char *cmd; | |
152 | int result; | |
153 | ||
08b8805e DG |
154 | if (asprintf(&cmd, "%s %s", "set_subbuf_num", channel_size) < 0) { |
155 | ERR("ustcmd_set_subbuf_num : asprintf failed (set_subbuf_num %s", | |
156 | channel_size); | |
157 | return -1; | |
158 | } | |
763f41e5 DS |
159 | |
160 | result = ustcmd_send_cmd(cmd, pid, NULL); | |
2a79ceeb | 161 | if (result != 1) { |
763f41e5 DS |
162 | free(cmd); |
163 | return 1; | |
164 | } | |
165 | ||
166 | free(cmd); | |
167 | return 0; | |
168 | } | |
169 | ||
e77b8e8e DS |
170 | /** |
171 | * Get subbuffer size. | |
172 | * | |
173 | * @param channel Channel name | |
174 | * @param pid Traced process ID | |
175 | * @return subbuf size if successful, or error | |
176 | */ | |
177 | int ustcmd_get_subbuf_size(const char *channel, pid_t pid) | |
178 | { | |
179 | char *cmd, *reply; | |
180 | int result; | |
181 | ||
182 | /* format: channel_cpu */ | |
08b8805e DG |
183 | if (asprintf(&cmd, "%s %s_0", "get_subbuf_size", channel) < 0) { |
184 | ERR("ustcmd_get_subbuf_size : asprintf failed (get_subbuf_size, %s_0", | |
185 | channel); | |
186 | return -1; | |
187 | } | |
e77b8e8e DS |
188 | |
189 | result = ustcmd_send_cmd(cmd, pid, &reply); | |
9d20cbf2 | 190 | if (result != 1) { |
e77b8e8e | 191 | free(cmd); |
e77b8e8e DS |
192 | return -1; |
193 | } | |
194 | ||
195 | result = atoi(reply); | |
196 | free(cmd); | |
197 | free(reply); | |
198 | return result; | |
199 | } | |
200 | ||
201 | /** | |
202 | * Get subbuffer num. | |
203 | * | |
204 | * @param channel Channel name | |
205 | * @param pid Traced process ID | |
206 | * @return subbuf cnf if successful, or error | |
207 | */ | |
208 | int ustcmd_get_subbuf_num(const char *channel, pid_t pid) | |
209 | { | |
210 | char *cmd, *reply; | |
211 | int result; | |
212 | ||
213 | /* format: channel_cpu */ | |
08b8805e DG |
214 | if (asprintf(&cmd, "%s %s_0", "get_n_subbufs", channel) < 0) { |
215 | ERR("ustcmd_get_subbuf_num : asprintf failed (get_n_subbufs, %s_0", | |
216 | channel); | |
217 | return -1; | |
218 | } | |
e77b8e8e DS |
219 | |
220 | result = ustcmd_send_cmd(cmd, pid, &reply); | |
9d20cbf2 | 221 | if (result != 1) { |
e77b8e8e | 222 | free(cmd); |
e77b8e8e DS |
223 | return -1; |
224 | } | |
225 | ||
226 | result = atoi(reply); | |
227 | free(cmd); | |
228 | free(reply); | |
229 | return result; | |
230 | } | |
763f41e5 | 231 | |
ab33e65c PP |
232 | /** |
233 | * Destroys an UST trace according to a PID. | |
234 | * | |
235 | * @param pid Traced process ID | |
236 | * @return 0 if successful, or error USTCMD_ERR_GEN | |
237 | */ | |
772030fe PMF |
238 | int ustcmd_destroy_trace(pid_t pid) |
239 | { | |
240 | int result; | |
ab33e65c | 241 | |
b5b073e2 | 242 | result = ustcmd_send_cmd("trace_destroy", pid, NULL); |
2a79ceeb | 243 | if (result != 1) { |
ab33e65c PP |
244 | return USTCMD_ERR_GEN; |
245 | } | |
246 | ||
247 | return 0; | |
248 | } | |
249 | ||
250 | /** | |
251 | * Starts an UST trace (and setups it) according to a PID. | |
252 | * | |
253 | * @param pid Traced process ID | |
254 | * @return 0 if successful, or error USTCMD_ERR_GEN | |
255 | */ | |
772030fe PMF |
256 | int ustcmd_setup_and_start(pid_t pid) |
257 | { | |
258 | int result; | |
ab33e65c | 259 | |
08230db7 | 260 | result = ustcmd_send_cmd("start", pid, NULL); |
2a79ceeb | 261 | if (result != 1) { |
ab33e65c PP |
262 | return USTCMD_ERR_GEN; |
263 | } | |
264 | ||
265 | return 0; | |
266 | } | |
267 | ||
62ec620f PMF |
268 | /** |
269 | * Creates an UST trace according to a PID. | |
270 | * | |
271 | * @param pid Traced process ID | |
272 | * @return 0 if successful, or error USTCMD_ERR_GEN | |
273 | */ | |
274 | int ustcmd_create_trace(pid_t pid) | |
275 | { | |
276 | int result; | |
277 | ||
278 | result = ustcmd_send_cmd("trace_create", pid, NULL); | |
2a79ceeb | 279 | if (result != 1) { |
62ec620f PMF |
280 | return USTCMD_ERR_GEN; |
281 | } | |
282 | ||
283 | return 0; | |
284 | } | |
285 | ||
ab33e65c PP |
286 | /** |
287 | * Starts an UST trace according to a PID. | |
288 | * | |
289 | * @param pid Traced process ID | |
290 | * @return 0 if successful, or error USTCMD_ERR_GEN | |
291 | */ | |
772030fe PMF |
292 | int ustcmd_start_trace(pid_t pid) |
293 | { | |
294 | int result; | |
ab33e65c | 295 | |
08230db7 | 296 | result = ustcmd_send_cmd("trace_start", pid, NULL); |
2a79ceeb | 297 | if (result != 1) { |
ab33e65c PP |
298 | return USTCMD_ERR_GEN; |
299 | } | |
300 | ||
301 | return 0; | |
302 | } | |
303 | ||
763f41e5 DS |
304 | /** |
305 | * Alloc an UST trace according to a PID. | |
306 | * | |
307 | * @param pid Traced process ID | |
308 | * @return 0 if successful, or error USTCMD_ERR_GEN | |
309 | */ | |
310 | int ustcmd_alloc_trace(pid_t pid) | |
311 | { | |
312 | int result; | |
313 | ||
314 | result = ustcmd_send_cmd("trace_alloc", pid, NULL); | |
2a79ceeb | 315 | if (result != 1) { |
763f41e5 DS |
316 | return USTCMD_ERR_GEN; |
317 | } | |
318 | ||
319 | return 0; | |
320 | } | |
321 | ||
ab33e65c PP |
322 | /** |
323 | * Stops an UST trace according to a PID. | |
324 | * | |
325 | * @param pid Traced process ID | |
326 | * @return 0 if successful, or error USTCMD_ERR_GEN | |
327 | */ | |
772030fe PMF |
328 | int ustcmd_stop_trace(pid_t pid) |
329 | { | |
330 | int result; | |
ab33e65c | 331 | |
08230db7 | 332 | result = ustcmd_send_cmd("trace_stop", pid, NULL); |
2a79ceeb | 333 | if (result != 1) { |
ab33e65c PP |
334 | return USTCMD_ERR_GEN; |
335 | } | |
336 | ||
337 | return 0; | |
338 | } | |
339 | ||
340 | /** | |
341 | * Counts newlines ('\n') in a string. | |
342 | * | |
343 | * @param str String to search in | |
344 | * @return Total newlines count | |
345 | */ | |
08230db7 | 346 | unsigned int ustcmd_count_nl(const char *str) |
772030fe | 347 | { |
ab33e65c PP |
348 | unsigned int i = 0, tot = 0; |
349 | ||
350 | while (str[i] != '\0') { | |
351 | if (str[i] == '\n') { | |
352 | ++tot; | |
353 | } | |
354 | ++i; | |
355 | } | |
356 | ||
357 | return tot; | |
358 | } | |
359 | ||
360 | /** | |
361 | * Frees a CMSF array. | |
362 | * | |
363 | * @param cmsf CMSF array to free | |
364 | * @return 0 if successful, or error USTCMD_ERR_ARG | |
365 | */ | |
08230db7 | 366 | int ustcmd_free_cmsf(struct marker_status *cmsf) |
772030fe | 367 | { |
ab33e65c PP |
368 | if (cmsf == NULL) { |
369 | return USTCMD_ERR_ARG; | |
370 | } | |
371 | ||
372 | unsigned int i = 0; | |
373 | while (cmsf[i].channel != NULL) { | |
374 | free(cmsf[i].channel); | |
375 | free(cmsf[i].marker); | |
376 | free(cmsf[i].fs); | |
377 | ++i; | |
378 | } | |
379 | free(cmsf); | |
380 | ||
381 | return 0; | |
382 | } | |
383 | ||
384 | /** | |
385 | * Gets channel/marker/state/format string for a given PID. | |
386 | * | |
387 | * @param cmsf Pointer to CMSF array to be filled (callee allocates, caller | |
388 | * frees with `ustcmd_free_cmsf') | |
389 | * @param pid Targeted PID | |
2a79ceeb | 390 | * @return 0 if successful, or -1 on error |
ab33e65c | 391 | */ |
08230db7 | 392 | int ustcmd_get_cmsf(struct marker_status **cmsf, const pid_t pid) |
772030fe | 393 | { |
08230db7 | 394 | char *big_str = NULL; |
ef290fca | 395 | int result; |
08230db7 | 396 | struct marker_status *tmp_cmsf = NULL; |
ef290fca PMF |
397 | unsigned int i = 0, cmsf_ind = 0; |
398 | ||
ab33e65c | 399 | if (cmsf == NULL) { |
2a79ceeb | 400 | return -1; |
ab33e65c | 401 | } |
08230db7 | 402 | result = ustcmd_send_cmd("list_markers", pid, &big_str); |
2a79ceeb PMF |
403 | if (result != 1) { |
404 | ERR("error while getting markers list"); | |
405 | return -1; | |
ab33e65c PP |
406 | } |
407 | ||
08230db7 | 408 | tmp_cmsf = (struct marker_status *) malloc(sizeof(struct marker_status) * |
ab33e65c PP |
409 | (ustcmd_count_nl(big_str) + 1)); |
410 | if (tmp_cmsf == NULL) { | |
dc46f6e6 | 411 | ERR("Failed to allocate CMSF array"); |
2a79ceeb | 412 | return -1; |
ab33e65c PP |
413 | } |
414 | ||
77957c95 | 415 | /* Parse received reply string (format: "[chan]/[mark] [st] [fs]"): */ |
ab33e65c | 416 | while (big_str[i] != '\0') { |
ab33e65c | 417 | char state; |
ef290fca | 418 | |
264f6231 | 419 | sscanf(big_str + i, "marker: %a[^/]/%a[^ ] %c %a[^\n]", |
ab33e65c PP |
420 | &tmp_cmsf[cmsf_ind].channel, |
421 | &tmp_cmsf[cmsf_ind].marker, | |
422 | &state, | |
423 | &tmp_cmsf[cmsf_ind].fs); | |
424 | tmp_cmsf[cmsf_ind].state = (state == USTCMD_MS_CHR_ON ? | |
77957c95 | 425 | USTCMD_MS_ON : USTCMD_MS_OFF); /* Marker state */ |
ab33e65c PP |
426 | |
427 | while (big_str[i] != '\n') { | |
77957c95 | 428 | ++i; /* Go to next '\n' */ |
ab33e65c | 429 | } |
77957c95 | 430 | ++i; /* Skip current pointed '\n' */ |
ab33e65c PP |
431 | ++cmsf_ind; |
432 | } | |
433 | tmp_cmsf[cmsf_ind].channel = NULL; | |
434 | tmp_cmsf[cmsf_ind].marker = NULL; | |
435 | tmp_cmsf[cmsf_ind].fs = NULL; | |
436 | ||
437 | *cmsf = tmp_cmsf; | |
438 | ||
439 | free(big_str); | |
440 | return 0; | |
441 | } | |
442 | ||
a3adfb05 NC |
443 | |
444 | /** | |
445 | * Frees a TES array. | |
446 | * | |
447 | * @param tes TES array to free | |
448 | * @return 0 if successful, or error USTCMD_ERR_ARG | |
449 | */ | |
450 | int ustcmd_free_tes(struct trace_event_status *tes) | |
451 | { | |
452 | if (tes == NULL) { | |
453 | return USTCMD_ERR_ARG; | |
454 | } | |
455 | ||
456 | unsigned int i = 0; | |
457 | while (tes[i].name != NULL) { | |
458 | free(tes[i].name); | |
459 | ++i; | |
460 | } | |
461 | free(tes); | |
462 | ||
463 | return 0; | |
464 | } | |
465 | ||
466 | /** | |
467 | * Gets trace_events string for a given PID. | |
468 | * | |
469 | * @param tes Pointer to TES array to be filled (callee allocates, caller | |
470 | * frees with `ustcmd_free_tes') | |
471 | * @param pid Targeted PID | |
472 | * @return 0 if successful, or -1 on error | |
473 | */ | |
474 | int ustcmd_get_tes(struct trace_event_status **tes, | |
475 | const pid_t pid) | |
476 | { | |
477 | char *big_str = NULL; | |
478 | int result; | |
479 | struct trace_event_status *tmp_tes = NULL; | |
480 | unsigned int i = 0, tes_ind = 0; | |
481 | ||
482 | if (tes == NULL) { | |
483 | return -1; | |
484 | } | |
485 | ||
486 | result = ustcmd_send_cmd("list_trace_events", pid, &big_str); | |
487 | if (result != 1) { | |
488 | ERR("error while getting trace_event list"); | |
489 | return -1; | |
490 | } | |
491 | ||
492 | tmp_tes = (struct trace_event_status *) | |
493 | zmalloc(sizeof(struct trace_event_status) * | |
494 | (ustcmd_count_nl(big_str) + 1)); | |
495 | if (tmp_tes == NULL) { | |
496 | ERR("Failed to allocate TES array"); | |
497 | return -1; | |
498 | } | |
499 | ||
500 | /* Parse received reply string (format: "[name]"): */ | |
501 | while (big_str[i] != '\0') { | |
502 | char state; | |
503 | ||
504 | sscanf(big_str + i, "trace_event: %a[^\n]", | |
505 | &tmp_tes[tes_ind].name); | |
506 | while (big_str[i] != '\n') { | |
507 | ++i; /* Go to next '\n' */ | |
508 | } | |
509 | ++i; /* Skip current pointed '\n' */ | |
510 | ++tes_ind; | |
511 | } | |
512 | tmp_tes[tes_ind].name = NULL; | |
513 | ||
514 | *tes = tmp_tes; | |
515 | ||
516 | free(big_str); | |
517 | return 0; | |
518 | } | |
519 | ||
b2fb2f91 AH |
520 | /** |
521 | * Set socket path | |
522 | * | |
523 | * @param sock_path Socket path | |
524 | * @param pid Traced process ID | |
525 | * @return 0 if successful, or error | |
526 | */ | |
527 | int ustcmd_set_sock_path(const char *sock_path, pid_t pid) | |
528 | { | |
529 | char *cmd; | |
530 | int result; | |
531 | ||
08b8805e DG |
532 | if (asprintf(&cmd, "%s %s", "set_sock_path", sock_path) < 0) { |
533 | ERR("ustcmd_set_sock_path : asprintf failed (set_sock_path, %s", | |
534 | sock_path); | |
535 | return -1; | |
536 | } | |
b2fb2f91 AH |
537 | |
538 | result = ustcmd_send_cmd(cmd, pid, NULL); | |
539 | if (result != 1) { | |
540 | free(cmd); | |
541 | return USTCMD_ERR_GEN; | |
542 | } | |
543 | ||
544 | free(cmd); | |
545 | return 0; | |
546 | } | |
547 | ||
548 | /** | |
549 | * Get socket path | |
550 | * | |
551 | * @param sock_path Pointer to where the socket path will be returned | |
552 | * @param pid Traced process ID | |
553 | * @return 0 if successful, or error | |
554 | */ | |
555 | int ustcmd_get_sock_path(char **sock_path, pid_t pid) | |
556 | { | |
557 | char *cmd, *reply; | |
558 | int result; | |
559 | ||
08b8805e DG |
560 | if (asprintf(&cmd, "%s", "get_sock_path") < 0) { |
561 | ERR("ustcmd_get_sock_path : asprintf failed"); | |
562 | return USTCMD_ERR_GEN; | |
563 | } | |
b2fb2f91 AH |
564 | |
565 | result = ustcmd_send_cmd(cmd, pid, &reply); | |
566 | if (result != 1) { | |
567 | free(cmd); | |
b2fb2f91 AH |
568 | return USTCMD_ERR_GEN; |
569 | } | |
570 | ||
571 | free(cmd); | |
572 | *sock_path = reply; | |
573 | return 0; | |
574 | } | |
575 | ||
b9318b35 AH |
576 | int ustcmd_force_switch(pid_t pid) |
577 | { | |
578 | int result; | |
579 | ||
580 | result = ustcmd_send_cmd("force_switch", pid, NULL); | |
581 | if (result != 1) { | |
582 | return USTCMD_ERR_GEN; | |
583 | } | |
584 | ||
585 | return 0; | |
586 | } | |
587 | ||
ab33e65c | 588 | /** |
2a79ceeb | 589 | * Sends a given command to a traceable process |
ab33e65c | 590 | * |
2a79ceeb | 591 | * @param cmd Null-terminated command to send |
ab33e65c PP |
592 | * @param pid Targeted PID |
593 | * @param reply Pointer to string to be filled with a reply string (must | |
594 | * be NULL if no reply is needed for the given command). | |
9d20cbf2 | 595 | * @return -1 if not successful, 0 on EOT, 1 on success |
ab33e65c | 596 | */ |
772030fe | 597 | |
08230db7 | 598 | int ustcmd_send_cmd(const char *cmd, const pid_t pid, char **reply) |
772030fe | 599 | { |
4723ca09 | 600 | int app_fd; |
2a79ceeb | 601 | int retval; |
ab33e65c | 602 | |
4723ca09 | 603 | if (ustcomm_connect_app(pid, &app_fd)) { |
2a79ceeb PMF |
604 | ERR("could not connect to PID %u", (unsigned int) pid); |
605 | return -1; | |
ab33e65c PP |
606 | } |
607 | ||
4723ca09 | 608 | retval = ustcomm_send_request(app_fd, cmd, reply); |
ab33e65c | 609 | |
4723ca09 | 610 | close(app_fd); |
2a79ceeb PMF |
611 | |
612 | return retval; | |
ab33e65c | 613 | } |