Commit | Line | Data |
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91d76f53 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. | |
91d76f53 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. | |
91d76f53 DG |
16 | */ |
17 | ||
f6a9efaa DG |
18 | #ifndef _LTT_UST_APP_H |
19 | #define _LTT_UST_APP_H | |
91d76f53 | 20 | |
099e26bd | 21 | #include <stdint.h> |
1e307fab | 22 | |
ffe60014 | 23 | #include <common/compat/uuid.h> |
f20baf8e | 24 | |
022d91ba | 25 | #include "agent.h" |
44d3bd01 | 26 | #include "trace-ust.h" |
d0b96690 | 27 | #include "ust-registry.h" |
44d3bd01 | 28 | |
b551a063 DG |
29 | #define UST_APP_EVENT_LIST_SIZE 32 |
30 | ||
d88aee68 DG |
31 | /* Process name (short). */ |
32 | #define UST_APP_PROCNAME_LEN 16 | |
d0b96690 | 33 | |
53a80697 MD |
34 | struct lttng_filter_bytecode; |
35 | struct lttng_ust_filter_bytecode; | |
36 | ||
7753dea8 | 37 | extern int ust_consumerd64_fd, ust_consumerd32_fd; |
ba5d816e | 38 | |
d88aee68 DG |
39 | /* |
40 | * Object used to close the notify socket in a call_rcu(). Since the | |
41 | * application might not be found, we need an independant object containing the | |
42 | * notify socket fd. | |
43 | */ | |
44 | struct ust_app_notify_sock_obj { | |
45 | int fd; | |
46 | struct rcu_head head; | |
47 | }; | |
48 | ||
18eace3b DG |
49 | struct ust_app_ht_key { |
50 | const char *name; | |
51 | const struct lttng_ust_filter_bytecode *filter; | |
52 | enum lttng_ust_loglevel_type loglevel; | |
0c53bbad | 53 | const struct lttng_ust_event_exclusion *exclusion; |
18eace3b DG |
54 | }; |
55 | ||
099e26bd DG |
56 | /* |
57 | * Application registration data structure. | |
58 | */ | |
59 | struct ust_register_msg { | |
d0b96690 | 60 | enum ustctl_socket_type type; |
099e26bd DG |
61 | uint32_t major; |
62 | uint32_t minor; | |
d0b96690 DG |
63 | uint32_t abi_major; |
64 | uint32_t abi_minor; | |
099e26bd DG |
65 | pid_t pid; |
66 | pid_t ppid; | |
67 | uid_t uid; | |
68 | gid_t gid; | |
0df502fd | 69 | uint32_t bits_per_long; |
d0b96690 DG |
70 | uint32_t uint8_t_alignment; |
71 | uint32_t uint16_t_alignment; | |
72 | uint32_t uint32_t_alignment; | |
73 | uint32_t uint64_t_alignment; | |
74 | uint32_t long_alignment; | |
75 | int byte_order; /* BIG_ENDIAN or LITTLE_ENDIAN */ | |
76 | char name[LTTNG_UST_ABI_PROCNAME_LEN]; | |
099e26bd DG |
77 | }; |
78 | ||
48842b30 | 79 | /* |
852d0037 DG |
80 | * Global applications HT used by the session daemon. This table is indexed by |
81 | * PID using the pid_n node and pid value of an ust_app. | |
48842b30 | 82 | */ |
bec39940 | 83 | struct lttng_ht *ust_app_ht; |
f6a9efaa | 84 | |
852d0037 DG |
85 | /* |
86 | * Global applications HT used by the session daemon. This table is indexed by | |
87 | * socket using the sock_n node and sock value of an ust_app. | |
88 | */ | |
89 | struct lttng_ht *ust_app_ht_by_sock; | |
91d76f53 | 90 | |
d0b96690 DG |
91 | /* |
92 | * Global applications HT used by the session daemon. This table is indexed by | |
93 | * socket using the notify_sock_n node and notify_sock value of an ust_app. | |
94 | */ | |
95 | struct lttng_ht *ust_app_ht_by_notify_sock; | |
96 | ||
030a66fa DG |
97 | /* Stream list containing ust_app_stream. */ |
98 | struct ust_app_stream_list { | |
99 | unsigned int count; | |
100 | struct cds_list_head head; | |
101 | }; | |
102 | ||
55cc08a6 DG |
103 | struct ust_app_ctx { |
104 | int handle; | |
105 | struct lttng_ust_context ctx; | |
106 | struct lttng_ust_object_data *obj; | |
bec39940 | 107 | struct lttng_ht_node_ulong node; |
31746f93 | 108 | struct cds_list_head list; |
55cc08a6 DG |
109 | }; |
110 | ||
48842b30 DG |
111 | struct ust_app_event { |
112 | int enabled; | |
113 | int handle; | |
13161846 | 114 | struct lttng_ust_object_data *obj; |
284d8f55 | 115 | struct lttng_ust_event attr; |
48842b30 | 116 | char name[LTTNG_UST_SYM_NAME_LEN]; |
bec39940 | 117 | struct lttng_ht_node_str node; |
53a80697 | 118 | struct lttng_ust_filter_bytecode *filter; |
0c53bbad | 119 | struct lttng_ust_event_exclusion *exclusion; |
48842b30 DG |
120 | }; |
121 | ||
030a66fa DG |
122 | struct ust_app_stream { |
123 | int handle; | |
124 | char pathname[PATH_MAX]; | |
125 | /* Format is %s_%d respectively channel name and CPU number. */ | |
126 | char name[DEFAULT_STREAM_NAME_LEN]; | |
127 | struct lttng_ust_object_data *obj; | |
128 | /* Using a list of streams to keep order. */ | |
129 | struct cds_list_head list; | |
130 | }; | |
131 | ||
48842b30 DG |
132 | struct ust_app_channel { |
133 | int enabled; | |
134 | int handle; | |
ffe60014 DG |
135 | /* Channel and streams were sent to the UST tracer. */ |
136 | int is_sent; | |
137 | /* Unique key used to identify the channel on the consumer side. */ | |
d88aee68 | 138 | uint64_t key; |
7972aab2 DG |
139 | /* Id of the tracing channel set on creation. */ |
140 | uint64_t tracing_channel_id; | |
ffe60014 DG |
141 | /* Number of stream that this channel is expected to receive. */ |
142 | unsigned int expected_stream_count; | |
48842b30 | 143 | char name[LTTNG_UST_SYM_NAME_LEN]; |
13161846 | 144 | struct lttng_ust_object_data *obj; |
ffe60014 | 145 | struct ustctl_consumer_channel_attr attr; |
030a66fa | 146 | struct ust_app_stream_list streams; |
d0b96690 DG |
147 | /* Session pointer that owns this object. */ |
148 | struct ust_app_session *session; | |
31746f93 DG |
149 | /* |
150 | * Contexts are kept in a hash table for fast lookup and in an ordered list | |
151 | * so we are able to enable them on the tracer side in the same order the | |
152 | * user added them. | |
153 | */ | |
bec39940 | 154 | struct lttng_ht *ctx; |
31746f93 DG |
155 | struct cds_list_head ctx_list; |
156 | ||
bec39940 | 157 | struct lttng_ht *events; |
1624d5b7 JD |
158 | uint64_t tracefile_size; |
159 | uint64_t tracefile_count; | |
d0b96690 DG |
160 | /* |
161 | * Node indexed by channel name in the channels' hash table of a session. | |
162 | */ | |
bec39940 | 163 | struct lttng_ht_node_str node; |
d0b96690 DG |
164 | /* |
165 | * Node indexed by UST channel object descriptor (handle). Stored in the | |
166 | * ust_objd hash table in the ust_app object. | |
167 | */ | |
168 | struct lttng_ht_node_ulong ust_objd_node; | |
36b588ed MD |
169 | /* For delayed reclaim */ |
170 | struct rcu_head rcu_head; | |
48842b30 DG |
171 | }; |
172 | ||
173 | struct ust_app_session { | |
d0b96690 DG |
174 | /* |
175 | * Lock protecting this session's ust app interaction. Held | |
176 | * across command send/recv to/from app. Never nests within the | |
177 | * session registry lock. | |
178 | */ | |
179 | pthread_mutex_t lock; | |
180 | ||
48842b30 | 181 | int enabled; |
8be98f9a MD |
182 | /* started: has the session been in started state at any time ? */ |
183 | int started; /* allows detection of start vs restart. */ | |
a991f516 | 184 | int handle; /* used has unique identifier for app session */ |
7972aab2 DG |
185 | |
186 | /* | |
187 | * Tracing session ID. Multiple ust app session can have the same tracing | |
188 | * session id making this value NOT unique to the object. | |
189 | */ | |
d9bf3ca4 | 190 | uint64_t tracing_id; |
7972aab2 | 191 | uint64_t id; /* Unique session identifier */ |
bec39940 | 192 | struct lttng_ht *channels; /* Registered channels */ |
d9bf3ca4 | 193 | struct lttng_ht_node_u64 node; |
bec39940 | 194 | char path[PATH_MAX]; |
7972aab2 | 195 | /* UID/GID of the application owning the session */ |
6df2e2c9 MD |
196 | uid_t uid; |
197 | gid_t gid; | |
7972aab2 DG |
198 | /* Effective UID and GID. Same as the tracing session. */ |
199 | uid_t euid; | |
200 | gid_t egid; | |
d42f20df | 201 | struct cds_list_head teardown_node; |
d88aee68 DG |
202 | /* |
203 | * Once at least *one* session is created onto the application, the | |
204 | * corresponding consumer is set so we can use it on unregistration. | |
205 | */ | |
206 | struct consumer_output *consumer; | |
7972aab2 DG |
207 | enum lttng_buffer_type buffer_type; |
208 | /* ABI of the session. Same value as the application. */ | |
209 | uint32_t bits_per_long; | |
36b588ed MD |
210 | /* For delayed reclaim */ |
211 | struct rcu_head rcu_head; | |
2bba9e53 DG |
212 | /* If the channel's streams have to be outputed or not. */ |
213 | unsigned int output_traces; | |
ecc48a90 | 214 | unsigned int live_timer_interval; /* usec */ |
ad7a9107 DG |
215 | |
216 | /* Metadata channel attributes. */ | |
217 | struct ustctl_consumer_channel_attr metadata_attr; | |
48842b30 DG |
218 | }; |
219 | ||
f6a9efaa DG |
220 | /* |
221 | * Registered traceable applications. Libust registers to the session daemon | |
050349bb | 222 | * and a linked list is kept of all running traceable app. |
91d76f53 | 223 | */ |
56fff090 | 224 | struct ust_app { |
852d0037 | 225 | int sock; |
d0b96690 | 226 | int notify_sock; |
852d0037 | 227 | pid_t pid; |
099e26bd DG |
228 | pid_t ppid; |
229 | uid_t uid; /* User ID that owns the apps */ | |
aea829b3 | 230 | gid_t gid; /* Group ID that owns the apps */ |
d0b96690 DG |
231 | |
232 | /* App ABI */ | |
233 | uint32_t bits_per_long; | |
234 | uint32_t uint8_t_alignment; | |
235 | uint32_t uint16_t_alignment; | |
236 | uint32_t uint32_t_alignment; | |
237 | uint32_t uint64_t_alignment; | |
238 | uint32_t long_alignment; | |
239 | int byte_order; /* BIG_ENDIAN or LITTLE_ENDIAN */ | |
240 | ||
e0c7ec2b DG |
241 | int compatible; /* If the lttng-ust tracer version does not match the |
242 | supported version of the session daemon, this flag is | |
243 | set to 0 (NOT compatible) else 1. */ | |
244 | struct lttng_ust_tracer_version version; | |
d0b96690 DG |
245 | uint32_t v_major; /* Version major number */ |
246 | uint32_t v_minor; /* Version minor number */ | |
d88aee68 DG |
247 | /* Extra for the NULL byte. */ |
248 | char name[UST_APP_PROCNAME_LEN + 1]; | |
7972aab2 DG |
249 | /* Type of buffer this application uses. */ |
250 | enum lttng_buffer_type buffer_type; | |
bec39940 | 251 | struct lttng_ht *sessions; |
852d0037 DG |
252 | struct lttng_ht_node_ulong pid_n; |
253 | struct lttng_ht_node_ulong sock_n; | |
d0b96690 | 254 | struct lttng_ht_node_ulong notify_sock_n; |
d42f20df DG |
255 | /* |
256 | * This is a list of ust app session that, once the app is going into | |
257 | * teardown mode, in the RCU call, each node in this list is removed and | |
258 | * deleted. | |
259 | * | |
260 | * Element of the list are added when an application unregisters after each | |
261 | * ht_del of ust_app_session associated to this app. This list is NOT used | |
262 | * when a session is destroyed. | |
263 | */ | |
264 | struct cds_list_head teardown_head; | |
d0b96690 DG |
265 | /* |
266 | * Hash table containing ust_app_channel indexed by channel objd. | |
267 | */ | |
268 | struct lttng_ht *ust_objd; | |
022d91ba | 269 | |
f20baf8e | 270 | /* |
022d91ba DG |
271 | * If this application is of the agent domain and this is non negative then |
272 | * a lookup MUST be done to acquire a read side reference to the | |
273 | * corresponding agent app object. If the lookup fails, this should be set | |
274 | * to a negative value indicating that the agent application is gone. | |
f20baf8e | 275 | */ |
022d91ba | 276 | int agent_app_sock; |
91d76f53 DG |
277 | }; |
278 | ||
74d0b642 | 279 | #ifdef HAVE_LIBLTTNG_UST_CTL |
3bd1e081 | 280 | |
56fff090 | 281 | int ust_app_register(struct ust_register_msg *msg, int sock); |
f2ca2e25 GF |
282 | static inline |
283 | int ust_app_register_done(int sock) | |
284 | { | |
285 | return ustctl_register_done(sock); | |
286 | } | |
d0b96690 | 287 | int ust_app_version(struct ust_app *app); |
56fff090 | 288 | void ust_app_unregister(int sock); |
421cb601 | 289 | int ust_app_start_trace_all(struct ltt_ust_session *usess); |
8be98f9a | 290 | int ust_app_stop_trace_all(struct ltt_ust_session *usess); |
84cd17c6 | 291 | int ust_app_destroy_trace_all(struct ltt_ust_session *usess); |
b551a063 | 292 | int ust_app_list_events(struct lttng_event **events); |
f37d259d | 293 | int ust_app_list_event_fields(struct lttng_event_field **fields); |
35a9059d DG |
294 | int ust_app_create_channel_glb(struct ltt_ust_session *usess, |
295 | struct ltt_ust_channel *uchan); | |
296 | int ust_app_create_event_glb(struct ltt_ust_session *usess, | |
297 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent); | |
76d45b40 DG |
298 | int ust_app_enable_event_pid(struct ltt_ust_session *usess, |
299 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent, | |
300 | pid_t pid); | |
35a9059d | 301 | int ust_app_disable_channel_glb(struct ltt_ust_session *usess, |
78f0bacd | 302 | struct ltt_ust_channel *uchan); |
35a9059d | 303 | int ust_app_enable_channel_glb(struct ltt_ust_session *usess, |
78f0bacd | 304 | struct ltt_ust_channel *uchan); |
35a9059d | 305 | int ust_app_enable_event_glb(struct ltt_ust_session *usess, |
edb67388 | 306 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent); |
35a9059d | 307 | int ust_app_enable_all_event_glb(struct ltt_ust_session *usess, |
9730260e | 308 | struct ltt_ust_channel *uchan); |
35a9059d DG |
309 | int ust_app_disable_event_glb(struct ltt_ust_session *usess, |
310 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent); | |
55cc08a6 DG |
311 | int ust_app_add_ctx_channel_glb(struct ltt_ust_session *usess, |
312 | struct ltt_ust_channel *uchan, struct ltt_ust_context *uctx); | |
487cf67c | 313 | void ust_app_global_update(struct ltt_ust_session *usess, int sock); |
91d76f53 | 314 | |
56fff090 | 315 | void ust_app_clean_list(void); |
57703f6e | 316 | int ust_app_ht_alloc(void); |
f6a9efaa | 317 | struct ust_app *ust_app_find_by_pid(pid_t pid); |
4466912f | 318 | int ust_app_calibrate_glb(struct lttng_ust_calibrate *calibrate); |
ffe60014 | 319 | struct ust_app_stream *ust_app_alloc_stream(void); |
d0b96690 DG |
320 | int ust_app_recv_registration(int sock, struct ust_register_msg *msg); |
321 | int ust_app_recv_notify(int sock); | |
322 | void ust_app_add(struct ust_app *app); | |
323 | struct ust_app *ust_app_create(struct ust_register_msg *msg, int sock); | |
d88aee68 | 324 | void ust_app_notify_sock_unregister(int sock); |
331744e3 JD |
325 | ssize_t ust_app_push_metadata(struct ust_registry_session *registry, |
326 | struct consumer_socket *socket, int send_zero_data); | |
f45e313d | 327 | void ust_app_destroy(struct ust_app *app); |
6dc3064a | 328 | int ust_app_snapshot_record(struct ltt_ust_session *usess, |
68808f4e | 329 | struct snapshot_output *output, int wait, uint64_t max_stream_size); |
5c786ded | 330 | unsigned int ust_app_get_nb_stream(struct ltt_ust_session *usess); |
f20baf8e | 331 | struct ust_app *ust_app_find_by_sock(int sock); |
44d3bd01 | 332 | |
b51ec5b4 MD |
333 | static inline |
334 | int ust_app_supported(void) | |
335 | { | |
336 | return 1; | |
337 | } | |
338 | ||
74d0b642 | 339 | #else /* HAVE_LIBLTTNG_UST_CTL */ |
3bd1e081 | 340 | |
cc920def DG |
341 | static inline |
342 | int ust_app_destroy_trace_all(struct ltt_ust_session *usess) | |
343 | { | |
344 | return 0; | |
345 | } | |
d974f197 | 346 | static inline |
421cb601 DG |
347 | int ust_app_start_trace(struct ltt_ust_session *usess, struct ust_app *app) |
348 | { | |
349 | return 0; | |
350 | } | |
351 | static inline | |
352 | int ust_app_start_trace_all(struct ltt_ust_session *usess) | |
d974f197 | 353 | { |
5cf5d0e7 | 354 | return 0; |
d974f197 | 355 | } |
3bd1e081 | 356 | static inline |
cc920def DG |
357 | int ust_app_stop_trace_all(struct ltt_ust_session *usess) |
358 | { | |
359 | return 0; | |
360 | } | |
361 | static inline | |
b551a063 DG |
362 | int ust_app_list_events(struct lttng_event **events) |
363 | { | |
db7c0497 | 364 | return -ENOSYS; |
b551a063 DG |
365 | } |
366 | static inline | |
da0bdb87 MD |
367 | int ust_app_list_event_fields(struct lttng_event_field **fields) |
368 | { | |
369 | return -ENOSYS; | |
370 | } | |
371 | static inline | |
3bd1e081 MD |
372 | int ust_app_register(struct ust_register_msg *msg, int sock) |
373 | { | |
374 | return -ENOSYS; | |
375 | } | |
376 | static inline | |
f2ca2e25 GF |
377 | int ust_app_register_done(int sock) |
378 | { | |
379 | return -ENOSYS; | |
380 | } | |
381 | static inline | |
d0b96690 DG |
382 | int ust_app_version(struct ust_app *app) |
383 | { | |
384 | return -ENOSYS; | |
385 | } | |
386 | static inline | |
3bd1e081 MD |
387 | void ust_app_unregister(int sock) |
388 | { | |
389 | } | |
390 | static inline | |
3bd1e081 MD |
391 | void ust_app_lock_list(void) |
392 | { | |
393 | } | |
394 | static inline | |
395 | void ust_app_unlock_list(void) | |
396 | { | |
397 | } | |
398 | static inline | |
399 | void ust_app_clean_list(void) | |
400 | { | |
401 | } | |
402 | static inline | |
403 | struct ust_app_list *ust_app_get_list(void) | |
404 | { | |
405 | return NULL; | |
406 | } | |
407 | static inline | |
408 | struct ust_app *ust_app_get_by_pid(pid_t pid) | |
409 | { | |
410 | return NULL; | |
411 | } | |
48842b30 | 412 | static inline |
d974f197 | 413 | void ust_app_ht_alloc(void) |
cc920def DG |
414 | {} |
415 | static inline | |
416 | void ust_app_global_update(struct ltt_ust_session *usess, int sock) | |
417 | {} | |
418 | static inline | |
35a9059d | 419 | int ust_app_disable_channel_glb(struct ltt_ust_session *usess, |
cc920def | 420 | struct ltt_ust_channel *uchan) |
d974f197 | 421 | { |
cc920def | 422 | return 0; |
d974f197 | 423 | } |
487cf67c | 424 | static inline |
35a9059d | 425 | int ust_app_enable_channel_glb(struct ltt_ust_session *usess, |
cc920def | 426 | struct ltt_ust_channel *uchan) |
487cf67c | 427 | { |
cc920def DG |
428 | return 0; |
429 | } | |
430 | static inline | |
35a9059d | 431 | int ust_app_create_channel_glb(struct ltt_ust_session *usess, |
cc920def DG |
432 | struct ltt_ust_channel *uchan) |
433 | { | |
434 | return 0; | |
435 | } | |
436 | static inline | |
35a9059d | 437 | int ust_app_enable_all_event_glb(struct ltt_ust_session *usess, |
cc920def DG |
438 | struct ltt_ust_channel *uchan) |
439 | { | |
440 | return 0; | |
441 | } | |
442 | static inline | |
35a9059d DG |
443 | int ust_app_create_event_glb(struct ltt_ust_session *usess, |
444 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent) | |
445 | { | |
446 | return 0; | |
447 | } | |
448 | static inline | |
449 | int ust_app_disable_event_glb(struct ltt_ust_session *usess, | |
cc920def DG |
450 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent) |
451 | { | |
452 | return 0; | |
487cf67c | 453 | } |
edb67388 | 454 | static inline |
35a9059d | 455 | int ust_app_enable_event_glb(struct ltt_ust_session *usess, |
edb67388 DG |
456 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent) |
457 | { | |
458 | return 0; | |
459 | } | |
55cc08a6 | 460 | static inline |
55cc08a6 DG |
461 | int ust_app_add_ctx_channel_glb(struct ltt_ust_session *usess, |
462 | struct ltt_ust_channel *uchan, struct ltt_ust_context *uctx) | |
463 | { | |
464 | return 0; | |
465 | } | |
76d45b40 DG |
466 | static inline |
467 | int ust_app_enable_event_pid(struct ltt_ust_session *usess, | |
468 | struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent, | |
469 | pid_t pid) | |
470 | { | |
471 | return 0; | |
472 | } | |
7f79d3a1 | 473 | static inline |
d0b96690 | 474 | int ust_app_calibrate_glb(struct lttng_ust_calibrate *calibrate) |
e0c7ec2b DG |
475 | { |
476 | return 0; | |
477 | } | |
4466912f | 478 | static inline |
d0b96690 DG |
479 | int ust_app_recv_registration(int sock, struct ust_register_msg *msg) |
480 | { | |
481 | return 0; | |
482 | } | |
483 | static inline | |
484 | int ust_app_recv_notify(int sock) | |
4466912f DG |
485 | { |
486 | return 0; | |
487 | } | |
d0b96690 DG |
488 | static inline |
489 | struct ust_app *ust_app_create(struct ust_register_msg *msg, int sock) | |
490 | { | |
491 | return NULL; | |
492 | } | |
493 | static inline | |
494 | void ust_app_add(struct ust_app *app) | |
495 | { | |
496 | } | |
d88aee68 DG |
497 | static inline |
498 | void ust_app_notify_sock_unregister(int sock) | |
499 | { | |
500 | } | |
331744e3 JD |
501 | static inline |
502 | ssize_t ust_app_push_metadata(struct ust_registry_session *registry, | |
503 | struct consumer_socket *socket, int send_zero_data) | |
504 | { | |
505 | return 0; | |
506 | } | |
f45e313d DG |
507 | static inline |
508 | void ust_app_destroy(struct ust_app *app) | |
509 | { | |
510 | return; | |
511 | } | |
6dc3064a DG |
512 | static inline |
513 | int ust_app_snapshot_record(struct ltt_ust_session *usess, | |
68808f4e | 514 | struct snapshot_output *output, int wait, uint64_t max_stream_size) |
5c786ded JD |
515 | { |
516 | return 0; | |
517 | } | |
518 | static inline | |
519 | unsigned int ust_app_get_nb_stream(struct ltt_ust_session *usess) | |
6dc3064a DG |
520 | { |
521 | return 0; | |
522 | } | |
48842b30 | 523 | |
b51ec5b4 MD |
524 | static inline |
525 | int ust_app_supported(void) | |
526 | { | |
527 | return 0; | |
528 | } | |
f20baf8e DG |
529 | static inline |
530 | struct ust_app *ust_app_find_by_sock(int sock) | |
531 | { | |
532 | return NULL; | |
533 | } | |
95b1d17c DG |
534 | static inline |
535 | struct ust_app *ust_app_find_by_pid(pid_t pid) | |
536 | { | |
537 | return NULL; | |
538 | } | |
b51ec5b4 | 539 | |
74d0b642 | 540 | #endif /* HAVE_LIBLTTNG_UST_CTL */ |
3bd1e081 | 541 | |
f6a9efaa | 542 | #endif /* _LTT_UST_APP_H */ |