Commit | Line | Data |
---|---|---|
2d97a006 | 1 | /* |
4942c256 | 2 | * Copyright (C) 2019 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com> |
159b042f | 3 | * Copyright (C) 2020 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
2d97a006 | 4 | * |
ab5be9fa | 5 | * SPDX-License-Identifier: LGPL-2.1-only |
2d97a006 | 6 | * |
2d97a006 JR |
7 | */ |
8 | ||
159b042f JG |
9 | #include <lttng/domain.h> |
10 | #include <lttng/lttng-error.h> | |
11 | #include <lttng/tracker.h> | |
2d97a006 | 12 | |
c9e313bc SM |
13 | #include <common/dynamic-array.hpp> |
14 | #include <common/error.hpp> | |
15 | #include <common/hashtable/hashtable.hpp> | |
16 | #include <common/hashtable/utils.hpp> | |
17 | #include <common/tracker.hpp> | |
159b042f JG |
18 | |
19 | #include <stdbool.h> | |
20 | ||
c10f9cdd MJ |
21 | #include <type_traits> |
22 | ||
f1494934 | 23 | namespace { |
159b042f JG |
24 | struct process_attr_tracker_values_comm_header { |
25 | uint32_t count; | |
2d7da303 | 26 | } LTTNG_PACKED; |
159b042f JG |
27 | |
28 | struct process_attr_tracker_value_comm { | |
29 | /* enum lttng_process_attr_value_type */ | |
30 | int32_t type; | |
31 | union { | |
32 | struct process_attr_integral_value_comm integral; | |
33 | /* Includes the '\0' terminator. */ | |
34 | uint32_t name_len; | |
35 | } value; | |
2d7da303 | 36 | } LTTNG_PACKED; |
f1494934 | 37 | } /* namespace */ |
159b042f JG |
38 | |
39 | #define GET_INTEGRAL_COMM_VALUE(value_ptr, as_type) \ | |
c10f9cdd | 40 | ((as_type)(std::is_signed<as_type>::value ? (value_ptr)->u._signed : \ |
159b042f JG |
41 | (value_ptr)->u._unsigned)) |
42 | ||
c10f9cdd MJ |
43 | #define SET_INTEGRAL_COMM_VALUE(comm_value, val) \ |
44 | if (std::is_signed<typeof(val)>::value) { \ | |
159b042f | 45 | (comm_value)->u._signed = \ |
c10f9cdd | 46 | (typeof((comm_value)->u._signed)) val; \ |
159b042f JG |
47 | } else { \ |
48 | (comm_value)->u._unsigned = \ | |
c10f9cdd | 49 | (typeof((comm_value)->u._unsigned)) val; \ |
2d97a006 JR |
50 | } |
51 | ||
159b042f JG |
52 | static inline bool is_virtual_process_attr(enum lttng_process_attr process_attr) |
53 | { | |
54 | return process_attr == LTTNG_PROCESS_ATTR_VIRTUAL_PROCESS_ID || | |
55 | process_attr == LTTNG_PROCESS_ATTR_VIRTUAL_USER_ID || | |
56 | process_attr == LTTNG_PROCESS_ATTR_VIRTUAL_GROUP_ID; | |
2d97a006 JR |
57 | } |
58 | ||
159b042f JG |
59 | static inline bool is_value_type_name( |
60 | enum lttng_process_attr_value_type value_type) | |
2d97a006 | 61 | { |
159b042f JG |
62 | return value_type == LTTNG_PROCESS_ATTR_VALUE_TYPE_USER_NAME || |
63 | value_type == LTTNG_PROCESS_ATTR_VALUE_TYPE_GROUP_NAME; | |
2d97a006 JR |
64 | } |
65 | ||
159b042f JG |
66 | enum lttng_error_code process_attr_value_from_comm( |
67 | enum lttng_domain_type domain, | |
68 | enum lttng_process_attr process_attr, | |
69 | enum lttng_process_attr_value_type value_type, | |
70 | const struct process_attr_integral_value_comm *integral_value, | |
71 | const struct lttng_buffer_view *value_view, | |
72 | struct process_attr_value **_value) | |
2d97a006 | 73 | { |
159b042f JG |
74 | char *name = NULL; |
75 | enum lttng_error_code ret = LTTNG_OK; | |
64803277 | 76 | struct process_attr_value *value = zmalloc<process_attr_value>(); |
2d97a006 | 77 | |
159b042f JG |
78 | if (!value) { |
79 | ret = LTTNG_ERR_NOMEM; | |
2d97a006 JR |
80 | goto error; |
81 | } | |
82 | ||
159b042f JG |
83 | if (value_view && value_view->size > 0) { |
84 | if (value_view->data[value_view->size - 1] != '\0') { | |
85 | ret = LTTNG_ERR_INVALID; | |
86 | goto error; | |
87 | } | |
88 | name = strdup(value_view->data); | |
89 | if (!name) { | |
90 | ret = LTTNG_ERR_NOMEM; | |
74675e31 | 91 | goto error; |
159b042f JG |
92 | } |
93 | } | |
2d97a006 | 94 | |
159b042f JG |
95 | if (domain != LTTNG_DOMAIN_UST && domain != LTTNG_DOMAIN_KERNEL) { |
96 | ERR("Only the user space and kernel space domains may be specified to configure process attribute trackers"); | |
97 | ret = LTTNG_ERR_UNSUPPORTED_DOMAIN; | |
98 | goto error; | |
99 | } | |
2d97a006 | 100 | |
159b042f JG |
101 | if (!is_virtual_process_attr(process_attr) && |
102 | domain != LTTNG_DOMAIN_KERNEL) { | |
103 | ERR("Non-virtual process attributes can only be used in the kernel domain"); | |
104 | ret = LTTNG_ERR_UNSUPPORTED_DOMAIN; | |
105 | goto error; | |
106 | } | |
2d97a006 | 107 | |
159b042f | 108 | /* Only expect a payload for name value types. */ |
b78dab17 JG |
109 | if (is_value_type_name(value_type) && |
110 | (!value_view || value_view->size == 0)) { | |
159b042f JG |
111 | ret = LTTNG_ERR_INVALID_PROTOCOL; |
112 | goto error; | |
1ad5cb59 JG |
113 | } else if (!is_value_type_name(value_type) && value_view && |
114 | value_view->size != 0) { | |
159b042f JG |
115 | ret = LTTNG_ERR_INVALID_PROTOCOL; |
116 | goto error; | |
2d97a006 JR |
117 | } |
118 | ||
159b042f JG |
119 | value->type = value_type; |
120 | switch (process_attr) { | |
121 | case LTTNG_PROCESS_ATTR_PROCESS_ID: | |
122 | case LTTNG_PROCESS_ATTR_VIRTUAL_PROCESS_ID: | |
123 | if (value_type != LTTNG_PROCESS_ATTR_VALUE_TYPE_PID) { | |
124 | ERR("Invalid value type used for process ID process attribute"); | |
125 | ret = LTTNG_ERR_INVALID; | |
126 | goto error; | |
127 | } | |
128 | value->value.pid = | |
129 | GET_INTEGRAL_COMM_VALUE(integral_value, pid_t); | |
130 | break; | |
131 | case LTTNG_PROCESS_ATTR_USER_ID: | |
132 | case LTTNG_PROCESS_ATTR_VIRTUAL_USER_ID: | |
133 | switch (value_type) { | |
134 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_UID: | |
135 | value->value.uid = GET_INTEGRAL_COMM_VALUE( | |
136 | integral_value, uid_t); | |
137 | break; | |
138 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_USER_NAME: | |
139 | if (!name) { | |
140 | ret = LTTNG_ERR_INVALID; | |
141 | goto error; | |
142 | } | |
143 | ||
144 | value->value.user_name = name; | |
145 | name = NULL; | |
146 | break; | |
147 | default: | |
148 | ERR("Invalid value type used for user ID process attribute"); | |
149 | ret = LTTNG_ERR_INVALID; | |
150 | goto error; | |
151 | } | |
152 | break; | |
153 | case LTTNG_PROCESS_ATTR_GROUP_ID: | |
154 | case LTTNG_PROCESS_ATTR_VIRTUAL_GROUP_ID: | |
155 | switch (value_type) { | |
156 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_GID: | |
157 | value->value.gid = GET_INTEGRAL_COMM_VALUE( | |
158 | integral_value, gid_t); | |
159 | break; | |
160 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_GROUP_NAME: | |
161 | if (!name) { | |
162 | ret = LTTNG_ERR_INVALID; | |
163 | goto error; | |
164 | } | |
165 | ||
166 | value->value.group_name = name; | |
167 | name = NULL; | |
168 | break; | |
169 | default: | |
170 | ERR("Invalid value type used for group ID process attribute"); | |
171 | ret = LTTNG_ERR_INVALID; | |
172 | goto error; | |
173 | } | |
174 | break; | |
175 | default: | |
176 | ret = LTTNG_ERR_INVALID_PROTOCOL; | |
177 | goto error; | |
2d97a006 JR |
178 | } |
179 | ||
159b042f JG |
180 | *_value = value; |
181 | value = NULL; | |
d4e37173 | 182 | free(name); |
159b042f JG |
183 | return LTTNG_OK; |
184 | error: | |
185 | free(name); | |
186 | process_attr_value_destroy(value); | |
187 | return ret; | |
2d97a006 JR |
188 | } |
189 | ||
159b042f | 190 | const char *lttng_process_attr_to_string(enum lttng_process_attr process_attr) |
2d97a006 | 191 | { |
159b042f JG |
192 | switch (process_attr) { |
193 | case LTTNG_PROCESS_ATTR_PROCESS_ID: | |
194 | return "process ID"; | |
195 | case LTTNG_PROCESS_ATTR_VIRTUAL_PROCESS_ID: | |
196 | return "virtual process ID"; | |
197 | case LTTNG_PROCESS_ATTR_USER_ID: | |
198 | return "user ID"; | |
199 | case LTTNG_PROCESS_ATTR_VIRTUAL_USER_ID: | |
200 | return "virtual user ID"; | |
201 | case LTTNG_PROCESS_ATTR_GROUP_ID: | |
202 | return "group ID"; | |
203 | case LTTNG_PROCESS_ATTR_VIRTUAL_GROUP_ID: | |
204 | return "virtual group ID"; | |
205 | default: | |
206 | return "unknown process attribute"; | |
2d97a006 | 207 | } |
2d97a006 JR |
208 | } |
209 | ||
159b042f | 210 | static void process_attr_tracker_value_destructor(void *ptr) |
2d97a006 | 211 | { |
159b042f JG |
212 | struct process_attr_value *value = (typeof(value)) ptr; |
213 | ||
214 | process_attr_value_destroy(value); | |
2d97a006 JR |
215 | } |
216 | ||
159b042f | 217 | struct lttng_process_attr_values *lttng_process_attr_values_create(void) |
2d97a006 | 218 | { |
64803277 | 219 | struct lttng_process_attr_values *values = zmalloc<lttng_process_attr_values>(); |
2d97a006 | 220 | |
159b042f JG |
221 | if (!values) { |
222 | goto end; | |
2d97a006 JR |
223 | } |
224 | ||
159b042f JG |
225 | lttng_dynamic_pointer_array_init( |
226 | &values->array, process_attr_tracker_value_destructor); | |
227 | end: | |
228 | return values; | |
2d97a006 JR |
229 | } |
230 | ||
159b042f JG |
231 | unsigned int _lttng_process_attr_values_get_count( |
232 | const struct lttng_process_attr_values *values) | |
2d97a006 | 233 | { |
159b042f JG |
234 | return (unsigned int) lttng_dynamic_pointer_array_get_count( |
235 | &values->array); | |
2d97a006 JR |
236 | } |
237 | ||
159b042f JG |
238 | const struct process_attr_value *lttng_process_attr_tracker_values_get_at_index( |
239 | const struct lttng_process_attr_values *values, | |
240 | unsigned int index) | |
2d97a006 | 241 | { |
a6bc4ca9 | 242 | return (process_attr_value *) lttng_dynamic_pointer_array_get_pointer(&values->array, index); |
159b042f | 243 | } |
2d97a006 | 244 | |
159b042f JG |
245 | static |
246 | int process_attr_tracker_value_serialize(const struct process_attr_value *value, | |
247 | struct lttng_dynamic_buffer *buffer) | |
248 | { | |
249 | int ret; | |
250 | struct process_attr_tracker_value_comm value_comm = { | |
251 | .type = (int32_t) value->type, | |
1c9a0b0e | 252 | .value = {}, |
159b042f JG |
253 | }; |
254 | const char *name = NULL; | |
255 | ||
256 | switch (value->type) { | |
257 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_PID: | |
258 | SET_INTEGRAL_COMM_VALUE( | |
259 | &value_comm.value.integral, value->value.pid); | |
2d97a006 | 260 | break; |
159b042f JG |
261 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_UID: |
262 | SET_INTEGRAL_COMM_VALUE( | |
263 | &value_comm.value.integral, value->value.uid); | |
2d97a006 | 264 | break; |
159b042f JG |
265 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_GID: |
266 | SET_INTEGRAL_COMM_VALUE( | |
267 | &value_comm.value.integral, value->value.gid); | |
2d97a006 | 268 | break; |
159b042f JG |
269 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_USER_NAME: |
270 | name = value->value.user_name; | |
2d97a006 | 271 | break; |
159b042f JG |
272 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_GROUP_NAME: |
273 | name = value->value.group_name; | |
274 | break; | |
275 | default: | |
276 | abort(); | |
2d97a006 JR |
277 | } |
278 | ||
159b042f JG |
279 | if (name) { |
280 | value_comm.value.name_len = strlen(name) + 1; | |
a7a533cd | 281 | } |
159b042f JG |
282 | |
283 | ret = lttng_dynamic_buffer_append( | |
284 | buffer, &value_comm, sizeof(value_comm)); | |
285 | if (ret) { | |
286 | goto end; | |
287 | } | |
288 | ||
289 | if (name) { | |
290 | ret = lttng_dynamic_buffer_append( | |
291 | buffer, name, value_comm.value.name_len); | |
292 | } | |
293 | end: | |
a7a533cd JR |
294 | return ret; |
295 | } | |
296 | ||
159b042f JG |
297 | int lttng_process_attr_values_serialize( |
298 | const struct lttng_process_attr_values *values, | |
299 | struct lttng_dynamic_buffer *buffer) | |
a7a533cd JR |
300 | { |
301 | int ret; | |
159b042f JG |
302 | unsigned int count, i; |
303 | struct process_attr_tracker_values_comm_header header = {}; | |
a7a533cd | 304 | |
159b042f JG |
305 | count = _lttng_process_attr_values_get_count(values); |
306 | header.count = (uint32_t) count; | |
a7a533cd | 307 | |
159b042f | 308 | ret = lttng_dynamic_buffer_append(buffer, &header, sizeof(header)); |
a7a533cd | 309 | if (ret) { |
159b042f | 310 | goto end; |
2d97a006 JR |
311 | } |
312 | ||
159b042f JG |
313 | for (i = 0; i < count; i++) { |
314 | const struct process_attr_value *value = | |
315 | lttng_process_attr_tracker_values_get_at_index( | |
316 | values, i); | |
2d97a006 | 317 | |
159b042f JG |
318 | ret = process_attr_tracker_value_serialize(value, buffer); |
319 | if (ret) { | |
320 | goto end; | |
321 | } | |
2d97a006 | 322 | } |
159b042f JG |
323 | end: |
324 | return ret; | |
2d97a006 | 325 | } |
a7a533cd | 326 | |
159b042f JG |
327 | ssize_t lttng_process_attr_values_create_from_buffer( |
328 | enum lttng_domain_type domain, | |
329 | enum lttng_process_attr process_attr, | |
330 | const struct lttng_buffer_view *buffer_view, | |
331 | struct lttng_process_attr_values **_values) | |
a7a533cd | 332 | { |
159b042f JG |
333 | ssize_t offset; |
334 | unsigned int i; | |
335 | struct lttng_process_attr_values *values; | |
336 | struct lttng_buffer_view header_view; | |
337 | const struct process_attr_tracker_values_comm_header *header; | |
a7a533cd | 338 | |
159b042f JG |
339 | values = lttng_process_attr_values_create(); |
340 | if (!values) { | |
a7a533cd JR |
341 | goto error; |
342 | } | |
343 | ||
159b042f JG |
344 | header_view = lttng_buffer_view_from_view( |
345 | buffer_view, 0, sizeof(*header)); | |
3e6e0df2 | 346 | if (!lttng_buffer_view_is_valid(&header_view)) { |
a7a533cd JR |
347 | goto error; |
348 | } | |
3e6e0df2 | 349 | |
159b042f JG |
350 | offset = header_view.size; |
351 | header = (typeof(header)) header_view.data; | |
352 | ||
353 | /* | |
354 | * Check that the number of values is not absurdly large with respect to | |
355 | * the received buffer's size. | |
356 | */ | |
357 | if (buffer_view->size < | |
358 | header->count * sizeof(struct process_attr_tracker_value_comm)) { | |
359 | goto error; | |
360 | } | |
361 | for (i = 0; i < (unsigned int) header->count; i++) { | |
362 | int ret; | |
363 | enum lttng_error_code ret_code; | |
364 | const struct process_attr_tracker_value_comm *value_comm; | |
365 | struct process_attr_value *value; | |
366 | enum lttng_process_attr_value_type type; | |
367 | struct lttng_buffer_view value_view; | |
368 | struct lttng_buffer_view value_name_view = {}; | |
369 | ||
370 | value_view = lttng_buffer_view_from_view( | |
371 | buffer_view, offset, sizeof(*value_comm)); | |
3e6e0df2 | 372 | if (!lttng_buffer_view_is_valid(&value_view)) { |
159b042f JG |
373 | goto error; |
374 | } | |
a7a533cd | 375 | |
159b042f JG |
376 | offset += value_view.size; |
377 | value_comm = (typeof(value_comm)) value_view.data; | |
378 | type = (typeof(type)) value_comm->type; | |
a7a533cd | 379 | |
159b042f JG |
380 | if (is_value_type_name(type)) { |
381 | value_name_view = lttng_buffer_view_from_view( | |
382 | buffer_view, offset, | |
383 | value_comm->value.name_len); | |
3e6e0df2 JG |
384 | if (!lttng_buffer_view_is_valid(&value_name_view)) { |
385 | goto error; | |
386 | } | |
387 | ||
159b042f JG |
388 | offset += value_name_view.size; |
389 | } | |
3e6e0df2 | 390 | |
159b042f JG |
391 | ret_code = process_attr_value_from_comm(domain, process_attr, |
392 | type, &value_comm->value.integral, | |
393 | &value_name_view, &value); | |
394 | if (ret_code != LTTNG_OK) { | |
395 | goto error; | |
396 | } | |
a7a533cd | 397 | |
159b042f JG |
398 | ret = lttng_dynamic_pointer_array_add_pointer( |
399 | &values->array, value); | |
400 | if (ret) { | |
401 | process_attr_value_destroy(value); | |
402 | goto error; | |
403 | } | |
a7a533cd JR |
404 | } |
405 | ||
159b042f JG |
406 | *_values = values; |
407 | return offset; | |
408 | error: | |
409 | lttng_process_attr_values_destroy(values); | |
410 | return -1; | |
a7a533cd JR |
411 | } |
412 | ||
159b042f | 413 | void lttng_process_attr_values_destroy(struct lttng_process_attr_values *values) |
a7a533cd | 414 | { |
159b042f JG |
415 | if (!values) { |
416 | return; | |
417 | } | |
418 | lttng_dynamic_pointer_array_reset(&values->array); | |
419 | free(values); | |
a7a533cd JR |
420 | } |
421 | ||
159b042f JG |
422 | struct process_attr_value *process_attr_value_copy( |
423 | const struct process_attr_value *value) | |
a7a533cd | 424 | { |
159b042f | 425 | struct process_attr_value *new_value = NULL; |
e283e4a0 | 426 | |
159b042f | 427 | if (!value) { |
e283e4a0 JR |
428 | goto end; |
429 | } | |
430 | ||
64803277 | 431 | new_value = zmalloc<process_attr_value>(); |
159b042f JG |
432 | if (!new_value) { |
433 | goto end; | |
434 | } | |
435 | if (is_value_type_name(value->type)) { | |
436 | const char *src = | |
437 | value->type == LTTNG_PROCESS_ATTR_VALUE_TYPE_USER_NAME ? | |
438 | value->value.user_name : | |
439 | value->value.group_name; | |
440 | char **dst = value->type == LTTNG_PROCESS_ATTR_VALUE_TYPE_USER_NAME ? | |
441 | &new_value->value.user_name : | |
442 | &new_value->value.group_name; | |
443 | ||
444 | new_value->type = value->type; | |
445 | *dst = strdup(src); | |
446 | if (!*dst) { | |
447 | goto error; | |
448 | } | |
449 | } else { | |
450 | *new_value = *value; | |
451 | } | |
e283e4a0 | 452 | end: |
159b042f JG |
453 | return new_value; |
454 | error: | |
455 | free(new_value); | |
456 | return NULL; | |
a7a533cd JR |
457 | } |
458 | ||
159b042f | 459 | unsigned long process_attr_value_hash(const struct process_attr_value *a) |
a7a533cd | 460 | { |
159b042f | 461 | unsigned long hash = hash_key_ulong((void *) a->type, lttng_ht_seed); |
9df6c82a | 462 | |
159b042f JG |
463 | switch (a->type) { |
464 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_PID: | |
465 | hash ^= hash_key_ulong((void *) (unsigned long) a->value.pid, | |
466 | lttng_ht_seed); | |
467 | break; | |
468 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_UID: | |
469 | hash ^= hash_key_ulong((void *) (unsigned long) a->value.uid, | |
470 | lttng_ht_seed); | |
471 | break; | |
472 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_GID: | |
473 | hash ^= hash_key_ulong((void *) (unsigned long) a->value.gid, | |
474 | lttng_ht_seed); | |
475 | break; | |
476 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_USER_NAME: | |
477 | hash ^= hash_key_str(a->value.user_name, lttng_ht_seed); | |
478 | break; | |
479 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_GROUP_NAME: | |
480 | hash ^= hash_key_str(a->value.group_name, lttng_ht_seed); | |
481 | break; | |
482 | default: | |
483 | abort(); | |
a7a533cd JR |
484 | } |
485 | ||
159b042f | 486 | return hash; |
a7a533cd | 487 | } |
f19f5c96 | 488 | |
159b042f JG |
489 | bool process_attr_tracker_value_equal(const struct process_attr_value *a, |
490 | const struct process_attr_value *b) | |
f19f5c96 | 491 | { |
159b042f JG |
492 | if (a->type != b->type) { |
493 | return false; | |
f19f5c96 | 494 | } |
159b042f JG |
495 | switch (a->type) { |
496 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_PID: | |
497 | return a->value.pid == b->value.pid; | |
498 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_UID: | |
499 | return a->value.uid == b->value.uid; | |
500 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_GID: | |
501 | return a->value.gid == b->value.gid; | |
502 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_USER_NAME: | |
503 | return !strcmp(a->value.user_name, b->value.user_name); | |
504 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_GROUP_NAME: | |
505 | return !strcmp(a->value.group_name, b->value.group_name); | |
506 | default: | |
507 | abort(); | |
508 | } | |
509 | } | |
f19f5c96 | 510 | |
159b042f JG |
511 | void process_attr_value_destroy(struct process_attr_value *value) |
512 | { | |
513 | if (!value) { | |
514 | return; | |
f19f5c96 | 515 | } |
159b042f JG |
516 | if (is_value_type_name(value->type)) { |
517 | free(value->type == LTTNG_PROCESS_ATTR_VALUE_TYPE_USER_NAME ? | |
518 | value->value.user_name : | |
519 | value->value.group_name); | |
520 | } | |
521 | free(value); | |
f19f5c96 | 522 | } |