Commit | Line | Data |
---|---|---|
d36b8583 DG |
1 | /* |
2 | * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca> | |
3 | * | |
d14d33bf AM |
4 | * This program is free software; you can redistribute it and/or modify |
5 | * it under the terms of the GNU General Public License, version 2 only, | |
6 | * as published by the Free Software Foundation. | |
d36b8583 DG |
7 | * |
8 | * This program 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 | |
11 | * GNU General Public License for more details. | |
12 | * | |
d14d33bf AM |
13 | * You should have received a copy of the GNU General Public License along |
14 | * with this program; if not, write to the Free Software Foundation, Inc., | |
15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
d36b8583 DG |
16 | */ |
17 | ||
18 | #define _GNU_SOURCE | |
19 | #include <popt.h> | |
20 | #include <stdio.h> | |
21 | #include <stdlib.h> | |
22 | #include <string.h> | |
23 | #include <sys/stat.h> | |
24 | #include <sys/types.h> | |
25 | #include <unistd.h> | |
5a0de755 | 26 | #include <inttypes.h> |
d36b8583 | 27 | |
c399183f | 28 | #include "../command.h" |
d36b8583 | 29 | |
42224349 | 30 | #include <src/common/sessiond-comm/sessiond-comm.h> |
70d0b120 | 31 | #include <src/common/utils.h> |
42224349 | 32 | |
d36b8583 | 33 | static char *opt_channels; |
5edd7e09 | 34 | static int opt_kernel; |
5440dc42 | 35 | static char *opt_session_name; |
d36b8583 | 36 | static int opt_userspace; |
d78d6610 | 37 | static struct lttng_channel chan; |
a79d84dd | 38 | static char *opt_output; |
7972aab2 DG |
39 | static int opt_buffer_uid; |
40 | static int opt_buffer_pid; | |
41 | static int opt_buffer_global; | |
d36b8583 DG |
42 | |
43 | enum { | |
44 | OPT_HELP = 1, | |
7d29a247 DG |
45 | OPT_DISCARD, |
46 | OPT_OVERWRITE, | |
47 | OPT_SUBBUF_SIZE, | |
48 | OPT_NUM_SUBBUF, | |
49 | OPT_SWITCH_TIMER, | |
50 | OPT_READ_TIMER, | |
d36b8583 | 51 | OPT_USERSPACE, |
679b4943 | 52 | OPT_LIST_OPTIONS, |
1624d5b7 JD |
53 | OPT_TRACEFILE_SIZE, |
54 | OPT_TRACEFILE_COUNT, | |
d36b8583 DG |
55 | }; |
56 | ||
cd80958d DG |
57 | static struct lttng_handle *handle; |
58 | ||
a79d84dd DG |
59 | const char *output_mmap = "mmap"; |
60 | const char *output_splice = "splice"; | |
61 | ||
d36b8583 DG |
62 | static struct poptOption long_options[] = { |
63 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
64 | {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0}, | |
5440dc42 | 65 | {"session", 's', POPT_ARG_STRING, &opt_session_name, 0, 0, 0}, |
d36b8583 | 66 | {"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0}, |
d78d6610 | 67 | {"userspace", 'u', POPT_ARG_NONE, 0, OPT_USERSPACE, 0, 0}, |
7d29a247 DG |
68 | {"discard", 0, POPT_ARG_NONE, 0, OPT_DISCARD, 0, 0}, |
69 | {"overwrite", 0, POPT_ARG_NONE, 0, OPT_OVERWRITE, 0, 0}, | |
70d0b120 | 70 | {"subbuf-size", 0, POPT_ARG_STRING, 0, OPT_SUBBUF_SIZE, 0, 0}, |
1b579521 DG |
71 | {"num-subbuf", 0, POPT_ARG_INT, 0, OPT_NUM_SUBBUF, 0, 0}, |
72 | {"switch-timer", 0, POPT_ARG_INT, 0, OPT_SWITCH_TIMER, 0, 0}, | |
73 | {"read-timer", 0, POPT_ARG_INT, 0, OPT_READ_TIMER, 0, 0}, | |
679b4943 | 74 | {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL}, |
a79d84dd | 75 | {"output", 0, POPT_ARG_STRING, &opt_output, 0, 0, 0}, |
7972aab2 DG |
76 | {"buffers-uid", 0, POPT_ARG_VAL, &opt_buffer_uid, 1, 0, 0}, |
77 | {"buffers-pid", 0, POPT_ARG_VAL, &opt_buffer_pid, 1, 0, 0}, | |
78 | {"buffers-global", 0, POPT_ARG_VAL, &opt_buffer_global, 1, 0, 0}, | |
1624d5b7 JD |
79 | {"tracefile-size", 'C', POPT_ARG_INT, 0, OPT_TRACEFILE_SIZE, 0, 0}, |
80 | {"tracefile-count", 'W', POPT_ARG_INT, 0, OPT_TRACEFILE_COUNT, 0, 0}, | |
d36b8583 DG |
81 | {0, 0, 0, 0, 0, 0, 0} |
82 | }; | |
83 | ||
84 | /* | |
85 | * usage | |
86 | */ | |
87 | static void usage(FILE *ofp) | |
88 | { | |
32a6298d | 89 | fprintf(ofp, "usage: lttng enable-channel NAME[,NAME2,...] [-u|-k] [OPTIONS]\n"); |
d36b8583 | 90 | fprintf(ofp, "\n"); |
32a6298d | 91 | fprintf(ofp, "Options:\n"); |
7d29a247 | 92 | fprintf(ofp, " -h, --help Show this help\n"); |
679b4943 | 93 | fprintf(ofp, " --list-options Simple listing of options\n"); |
32a6298d | 94 | fprintf(ofp, " -s, --session NAME Apply to session name\n"); |
27221701 | 95 | fprintf(ofp, " -k, --kernel Apply to the kernel tracer\n"); |
27221701 | 96 | fprintf(ofp, " -u, --userspace Apply to the user-space tracer\n"); |
7d29a247 DG |
97 | fprintf(ofp, "\n"); |
98 | fprintf(ofp, "Channel options:\n"); | |
cabd9892 MD |
99 | fprintf(ofp, " --discard Discard event when buffers are full%s\n", |
100 | DEFAULT_CHANNEL_OVERWRITE ? "" : " (default)"); | |
101 | fprintf(ofp, " --overwrite Flight recorder mode%s\n", | |
102 | DEFAULT_CHANNEL_OVERWRITE ? " (default)" : ""); | |
70d0b120 | 103 | fprintf(ofp, " --subbuf-size SIZE Subbuffer size in bytes {+k,+M,+G}\n"); |
3e230f92 SM |
104 | fprintf(ofp, " (default: %zu, kernel default: %zu)\n", |
105 | default_get_channel_subbuf_size(), | |
106 | default_get_kernel_channel_subbuf_size()); | |
93e6c8a0 MD |
107 | fprintf(ofp, " Needs to be a power of 2 for\n"); |
108 | fprintf(ofp, " kernel and ust tracers\n"); | |
cc62c0c0 | 109 | fprintf(ofp, " --num-subbuf NUM Number of subbufers\n"); |
9f778c9a MD |
110 | fprintf(ofp, " (default: %u)\n", |
111 | DEFAULT_CHANNEL_SUBBUF_NUM); | |
93e6c8a0 MD |
112 | fprintf(ofp, " Needs to be a power of 2 for\n"); |
113 | fprintf(ofp, " kernel and ust tracers\n"); | |
cc62c0c0 | 114 | fprintf(ofp, " --switch-timer USEC Switch timer interval in usec (default: %u)\n", |
cabd9892 | 115 | DEFAULT_CHANNEL_SWITCH_TIMER); |
db77f3a3 DG |
116 | fprintf(ofp, " --read-timer USEC Read timer interval in usec (UST default: %u, kernel default: %u)\n", |
117 | DEFAULT_UST_CHANNEL_READ_TIMER, DEFAULT_KERNEL_CHANNEL_READ_TIMER); | |
a79d84dd DG |
118 | fprintf(ofp, " --output TYPE Channel output type (Values: %s, %s)\n", |
119 | output_mmap, output_splice); | |
7972aab2 DG |
120 | fprintf(ofp, " --buffers-uid Use per UID buffer (-u only)\n"); |
121 | fprintf(ofp, " --buffers-pid Use per PID buffer (-u only)\n"); | |
122 | fprintf(ofp, " --buffers-global Use shared buffer for the whole system (-k only)\n"); | |
1624d5b7 | 123 | fprintf(ofp, " -C, --tracefile-size SIZE\n"); |
e132a0d4 | 124 | fprintf(ofp, " Maximum size of each tracefile within a stream (in bytes).\n"); |
1624d5b7 JD |
125 | fprintf(ofp, " -W, --tracefile-count COUNT\n"); |
126 | fprintf(ofp, " Used in conjunction with -C option, this will limit the number\n"); | |
127 | fprintf(ofp, " of files created to the specified count.\n"); | |
d36b8583 DG |
128 | fprintf(ofp, "\n"); |
129 | } | |
130 | ||
5edd7e09 DG |
131 | /* |
132 | * Set default attributes depending on those already defined from the command | |
133 | * line. | |
134 | */ | |
135 | static void set_default_attr(struct lttng_domain *dom) | |
136 | { | |
137 | struct lttng_channel_attr default_attr; | |
138 | ||
139 | /* Set attributes */ | |
140 | lttng_channel_set_default_attr(dom, &default_attr); | |
141 | ||
142 | if (chan.attr.overwrite == -1) { | |
143 | chan.attr.overwrite = default_attr.overwrite; | |
144 | } | |
145 | if (chan.attr.subbuf_size == -1) { | |
146 | chan.attr.subbuf_size = default_attr.subbuf_size; | |
147 | } | |
148 | if (chan.attr.num_subbuf == -1) { | |
149 | chan.attr.num_subbuf = default_attr.num_subbuf; | |
150 | } | |
151 | if (chan.attr.switch_timer_interval == -1) { | |
152 | chan.attr.switch_timer_interval = default_attr.switch_timer_interval; | |
153 | } | |
154 | if (chan.attr.read_timer_interval == -1) { | |
155 | chan.attr.read_timer_interval = default_attr.read_timer_interval; | |
156 | } | |
157 | if (chan.attr.output == -1) { | |
158 | chan.attr.output = default_attr.output; | |
159 | } | |
1624d5b7 JD |
160 | if (chan.attr.tracefile_count == -1) { |
161 | chan.attr.tracefile_count = default_attr.tracefile_count; | |
162 | } | |
163 | if (chan.attr.tracefile_size == -1) { | |
164 | chan.attr.tracefile_size = default_attr.tracefile_size; | |
165 | } | |
5edd7e09 DG |
166 | } |
167 | ||
d36b8583 | 168 | /* |
0fdd1e2c | 169 | * Adding channel using the lttng API. |
d36b8583 | 170 | */ |
cd80958d | 171 | static int enable_channel(char *session_name) |
d36b8583 | 172 | { |
ae856491 | 173 | int ret = CMD_SUCCESS, warn = 0; |
d36b8583 | 174 | char *channel_name; |
7d29a247 | 175 | struct lttng_domain dom; |
d36b8583 | 176 | |
441c16a7 MD |
177 | memset(&dom, 0, sizeof(dom)); |
178 | ||
d78d6610 | 179 | /* Create lttng domain */ |
7d29a247 DG |
180 | if (opt_kernel) { |
181 | dom.type = LTTNG_DOMAIN_KERNEL; | |
7972aab2 | 182 | dom.buf_type = LTTNG_BUFFER_GLOBAL; |
88c5f0d8 DG |
183 | if (opt_buffer_uid || opt_buffer_pid) { |
184 | ERR("Buffer type not supported for domain -k"); | |
185 | ret = CMD_ERROR; | |
186 | goto error; | |
187 | } | |
d78d6610 | 188 | } else if (opt_userspace) { |
f6a9efaa | 189 | dom.type = LTTNG_DOMAIN_UST; |
7972aab2 DG |
190 | if (opt_buffer_uid) { |
191 | dom.buf_type = LTTNG_BUFFER_PER_UID; | |
192 | } else { | |
88c5f0d8 DG |
193 | if (opt_buffer_global) { |
194 | ERR("Buffer type not supported for domain -u"); | |
195 | ret = CMD_ERROR; | |
196 | goto error; | |
197 | } | |
7972aab2 DG |
198 | dom.buf_type = LTTNG_BUFFER_PER_PID; |
199 | } | |
0fdd1e2c | 200 | } else { |
e14f64a8 | 201 | ERR("Please specify a tracer (-k/--kernel or -u/--userspace)"); |
d16c1a4c | 202 | ret = CMD_ERROR; |
0fdd1e2c | 203 | goto error; |
7d29a247 DG |
204 | } |
205 | ||
5edd7e09 DG |
206 | set_default_attr(&dom); |
207 | ||
1624d5b7 JD |
208 | if ((chan.attr.tracefile_size > 0) && |
209 | (chan.attr.tracefile_size < chan.attr.subbuf_size)) { | |
210 | ERR("Tracefile_size must be greater than or equal to subbuf_size " | |
211 | "(%" PRIu64 " < %" PRIu64 ")", | |
212 | chan.attr.tracefile_size, chan.attr.subbuf_size); | |
213 | ret = CMD_ERROR; | |
214 | goto error; | |
215 | } | |
216 | ||
a79d84dd DG |
217 | /* Setting channel output */ |
218 | if (opt_output) { | |
219 | if (!strncmp(output_mmap, opt_output, strlen(output_mmap))) { | |
220 | chan.attr.output = LTTNG_EVENT_MMAP; | |
221 | } else if (!strncmp(output_splice, opt_output, strlen(output_splice))) { | |
222 | chan.attr.output = LTTNG_EVENT_SPLICE; | |
223 | } else { | |
224 | ERR("Unknown output type %s. Possible values are: %s, %s\n", | |
225 | opt_output, output_mmap, output_splice); | |
226 | usage(stderr); | |
227 | ret = CMD_ERROR; | |
228 | goto error; | |
229 | } | |
230 | } | |
231 | ||
cd80958d DG |
232 | handle = lttng_create_handle(session_name, &dom); |
233 | if (handle == NULL) { | |
234 | ret = -1; | |
235 | goto error; | |
236 | } | |
237 | ||
0fdd1e2c | 238 | /* Strip channel list (format: chan1,chan2,...) */ |
d36b8583 DG |
239 | channel_name = strtok(opt_channels, ","); |
240 | while (channel_name != NULL) { | |
0fdd1e2c DG |
241 | /* Copy channel name and normalize it */ |
242 | strncpy(chan.name, channel_name, NAME_MAX); | |
243 | chan.name[NAME_MAX - 1] = '\0'; | |
244 | ||
245 | DBG("Enabling channel %s", channel_name); | |
246 | ||
247 | ret = lttng_enable_channel(handle, &chan); | |
248 | if (ret < 0) { | |
42224349 | 249 | switch (-ret) { |
f73fabfd DG |
250 | case LTTNG_ERR_KERN_CHAN_EXIST: |
251 | case LTTNG_ERR_UST_CHAN_EXIST: | |
88c5f0d8 | 252 | WARN("Channel %s: %s (session %s)", channel_name, |
42224349 DG |
253 | lttng_strerror(ret), session_name); |
254 | goto error; | |
255 | default: | |
256 | ERR("Channel %s: %s (session %s)", channel_name, | |
257 | lttng_strerror(ret), session_name); | |
258 | break; | |
259 | } | |
ae856491 | 260 | warn = 1; |
d36b8583 | 261 | } else { |
7885e399 DG |
262 | MSG("%s channel %s enabled for session %s", |
263 | opt_kernel ? "Kernel" : "UST", channel_name, | |
264 | session_name); | |
d36b8583 DG |
265 | } |
266 | ||
267 | /* Next event */ | |
268 | channel_name = strtok(NULL, ","); | |
269 | } | |
270 | ||
ae856491 DG |
271 | ret = CMD_SUCCESS; |
272 | ||
d36b8583 | 273 | error: |
ae856491 DG |
274 | if (warn) { |
275 | ret = CMD_WARNING; | |
276 | } | |
277 | ||
cd80958d DG |
278 | lttng_destroy_handle(handle); |
279 | ||
d36b8583 DG |
280 | return ret; |
281 | } | |
282 | ||
283 | /* | |
0fdd1e2c | 284 | * Default value for channel configuration. |
7d29a247 DG |
285 | */ |
286 | static void init_channel_config(void) | |
287 | { | |
5edd7e09 DG |
288 | /* |
289 | * Put -1 everywhere so we can identify those set by the command line and | |
290 | * those needed to be set by the default values. | |
291 | */ | |
292 | memset(&chan.attr, -1, sizeof(chan.attr)); | |
7d29a247 DG |
293 | } |
294 | ||
295 | /* | |
0fdd1e2c | 296 | * Add channel to trace session |
d36b8583 DG |
297 | */ |
298 | int cmd_enable_channels(int argc, const char **argv) | |
299 | { | |
ca1c3607 | 300 | int opt, ret = CMD_SUCCESS; |
d36b8583 | 301 | static poptContext pc; |
cd80958d | 302 | char *session_name = NULL; |
70d0b120 | 303 | char *opt_arg = NULL; |
d36b8583 | 304 | |
7d29a247 DG |
305 | init_channel_config(); |
306 | ||
d36b8583 DG |
307 | pc = poptGetContext(NULL, argc, argv, long_options, 0); |
308 | poptReadDefaultConfig(pc, 0); | |
309 | ||
310 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
311 | switch (opt) { | |
312 | case OPT_HELP: | |
ca1c3607 | 313 | usage(stdout); |
d36b8583 | 314 | goto end; |
7d29a247 DG |
315 | case OPT_DISCARD: |
316 | chan.attr.overwrite = 0; | |
317 | DBG("Channel set to discard"); | |
318 | break; | |
319 | case OPT_OVERWRITE: | |
320 | chan.attr.overwrite = 1; | |
321 | DBG("Channel set to overwrite"); | |
322 | break; | |
323 | case OPT_SUBBUF_SIZE: | |
70d0b120 SM |
324 | /* Parse the size */ |
325 | opt_arg = poptGetOptArg(pc); | |
326 | if (utils_parse_size_suffix(opt_arg, &chan.attr.subbuf_size) < 0) { | |
327 | ERR("Wrong value the --subbuf-size parameter: %s", opt_arg); | |
328 | ret = CMD_ERROR; | |
329 | goto end; | |
330 | } | |
331 | ||
332 | /* Check if power of 2 */ | |
333 | if ((chan.attr.subbuf_size - 1) & chan.attr.subbuf_size) { | |
334 | ERR("The subbuf size is not a power of 2: %" PRIu64 " (%s)", | |
335 | chan.attr.subbuf_size, opt_arg); | |
336 | ret = CMD_ERROR; | |
337 | goto end; | |
338 | } | |
339 | ||
5a0de755 | 340 | DBG("Channel subbuf size set to %" PRIu64, chan.attr.subbuf_size); |
7d29a247 DG |
341 | break; |
342 | case OPT_NUM_SUBBUF: | |
16068db5 MD |
343 | errno = 0; |
344 | chan.attr.num_subbuf = strtoull(poptGetOptArg(pc), NULL, 0); | |
345 | if (errno != 0) { | |
346 | ERR("Wrong value the --num-subbuf parameter: %s", opt_arg); | |
347 | ret = CMD_ERROR; | |
348 | goto end; | |
349 | } | |
350 | ||
5a0de755 | 351 | DBG("Channel subbuf num set to %" PRIu64, chan.attr.num_subbuf); |
7d29a247 DG |
352 | break; |
353 | case OPT_SWITCH_TIMER: | |
16068db5 MD |
354 | { |
355 | unsigned long v; | |
356 | ||
357 | errno = 0; | |
358 | v = strtoul(poptGetOptArg(pc), NULL, 0); | |
359 | if (errno != 0) { | |
360 | ERR("Wrong value the --switch-timer parameter: %s", opt_arg); | |
361 | ret = CMD_ERROR; | |
362 | goto end; | |
363 | } | |
364 | if (v != (uint32_t) v) { | |
365 | ERR("32-bit overflow in --switch-timer parameter: %s", opt_arg); | |
366 | ret = CMD_ERROR; | |
367 | goto end; | |
368 | } | |
369 | chan.attr.switch_timer_interval = (uint32_t) v; | |
7d29a247 DG |
370 | DBG("Channel switch timer interval set to %d", chan.attr.switch_timer_interval); |
371 | break; | |
16068db5 | 372 | } |
7d29a247 | 373 | case OPT_READ_TIMER: |
16068db5 MD |
374 | { |
375 | unsigned long v; | |
376 | ||
377 | errno = 0; | |
378 | v = strtoul(poptGetOptArg(pc), NULL, 0); | |
379 | if (errno != 0) { | |
380 | ERR("Wrong value the --read-timer parameter: %s", opt_arg); | |
381 | ret = CMD_ERROR; | |
382 | goto end; | |
383 | } | |
384 | if (v != (uint32_t) v) { | |
385 | ERR("32-bit overflow in --read-timer parameter: %s", opt_arg); | |
386 | ret = CMD_ERROR; | |
387 | goto end; | |
388 | } | |
389 | chan.attr.read_timer_interval = (uint32_t) v; | |
7d29a247 | 390 | DBG("Channel read timer interval set to %d", chan.attr.read_timer_interval); |
d36b8583 | 391 | break; |
16068db5 | 392 | } |
eeac7d46 MD |
393 | case OPT_USERSPACE: |
394 | opt_userspace = 1; | |
eeac7d46 | 395 | break; |
1624d5b7 | 396 | case OPT_TRACEFILE_SIZE: |
16068db5 MD |
397 | if (utils_parse_size_suffix(opt_arg, &chan.attr.tracefile_size) < 0) { |
398 | ERR("Wrong value the --tracefile-size parameter: %s", opt_arg); | |
399 | ret = CMD_ERROR; | |
400 | goto end; | |
401 | } | |
1624d5b7 JD |
402 | DBG("Maximum tracefile size set to %" PRIu64, |
403 | chan.attr.tracefile_size); | |
404 | break; | |
405 | case OPT_TRACEFILE_COUNT: | |
16068db5 MD |
406 | { |
407 | unsigned long v; | |
408 | ||
409 | errno = 0; | |
410 | v = strtoul(poptGetOptArg(pc), NULL, 0); | |
411 | if (errno != 0) { | |
412 | ERR("Wrong value the --tracefile-count parameter: %s", opt_arg); | |
413 | ret = CMD_ERROR; | |
414 | goto end; | |
415 | } | |
416 | if (v != (uint32_t) v) { | |
417 | ERR("32-bit overflow in --tracefile-count parameter: %s", opt_arg); | |
418 | ret = CMD_ERROR; | |
419 | goto end; | |
420 | } | |
421 | chan.attr.tracefile_count = (uint32_t) v; | |
1624d5b7 JD |
422 | DBG("Maximum tracefile count set to %" PRIu64, |
423 | chan.attr.tracefile_count); | |
424 | break; | |
16068db5 | 425 | } |
679b4943 SM |
426 | case OPT_LIST_OPTIONS: |
427 | list_cmd_options(stdout, long_options); | |
679b4943 | 428 | goto end; |
d36b8583 DG |
429 | default: |
430 | usage(stderr); | |
431 | ret = CMD_UNDEFINED; | |
432 | goto end; | |
433 | } | |
434 | } | |
435 | ||
436 | opt_channels = (char*) poptGetArg(pc); | |
437 | if (opt_channels == NULL) { | |
7d29a247 | 438 | ERR("Missing channel name.\n"); |
d36b8583 | 439 | usage(stderr); |
ca1c3607 | 440 | ret = CMD_ERROR; |
d36b8583 DG |
441 | goto end; |
442 | } | |
443 | ||
cd80958d DG |
444 | if (!opt_session_name) { |
445 | session_name = get_session_name(); | |
446 | if (session_name == NULL) { | |
ca1c3607 | 447 | ret = CMD_ERROR; |
cd80958d DG |
448 | goto end; |
449 | } | |
450 | } else { | |
451 | session_name = opt_session_name; | |
452 | } | |
453 | ||
454 | ret = enable_channel(session_name); | |
d36b8583 DG |
455 | |
456 | end: | |
5853fd43 DG |
457 | if (!opt_session_name && session_name) { |
458 | free(session_name); | |
459 | } | |
ca1c3607 | 460 | poptFreeContext(pc); |
d36b8583 DG |
461 | return ret; |
462 | } |