Support lttng-modules syscall filtering in enable-event
[lttng-tools.git] / src / common / sessiond-comm / sessiond-comm.h
CommitLineData
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1/*
2 * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
3 * Julien Desfossez <julien.desfossez@polymtl.ca>
773168b7 4 * Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
fac6795d 5 *
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6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License, version 2 only,
8 * as published by the Free Software Foundation.
fac6795d 9 *
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10 * This program is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
d14d33bf 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
990570ed 13 * more details.
fac6795d 14 *
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15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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18 */
19
773168b7 20/*
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21 * This header is meant for liblttng and libust internal use ONLY. These
22 * declarations should NOT be considered stable API.
773168b7 23 */
fac6795d 24
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25#ifndef _LTTNG_SESSIOND_COMM_H
26#define _LTTNG_SESSIOND_COMM_H
27
d19d9ada 28#define _GNU_SOURCE
fac6795d 29#include <limits.h>
f3ed775e 30#include <lttng/lttng.h>
da3c9ec1 31#include <lttng/snapshot-internal.h>
00c76cea 32#include <lttng/save-internal.h>
b17231c6 33#include <common/compat/socket.h>
a4b92340 34#include <common/uri.h>
ce2a9e76 35#include <common/defaults.h>
ffe60014 36#include <common/compat/uuid.h>
5e16da05 37
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38#include <arpa/inet.h>
39#include <netinet/in.h>
40#include <sys/un.h>
41
42#include "inet.h"
43#include "inet6.h"
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44#include "unix.h"
45
fac6795d 46/* Queue size of listen(2) */
f158a754 47#define LTTNG_SESSIOND_COMM_MAX_LISTEN 64
fac6795d 48
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49/* Maximum number of FDs that can be sent over a Unix socket */
50#define LTTCOMM_MAX_SEND_FDS 4
51
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52/*
53 * Get the error code index from 0 since LTTCOMM_OK start at 1000
fac6795d 54 */
f73fabfd 55#define LTTCOMM_ERR_INDEX(code) (code - LTTCOMM_CONSUMERD_COMMAND_SOCK_READY)
fac6795d 56
6abb15de 57enum lttcomm_sessiond_command {
0d0c377a 58 /* Tracer command */
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59 LTTNG_ADD_CONTEXT = 0,
60 LTTNG_CALIBRATE = 1,
61 LTTNG_DISABLE_CHANNEL = 2,
62 LTTNG_DISABLE_EVENT = 3,
63 LTTNG_DISABLE_ALL_EVENT = 4,
64 LTTNG_ENABLE_CHANNEL = 5,
65 LTTNG_ENABLE_EVENT = 6,
66 LTTNG_ENABLE_ALL_EVENT = 7,
0d0c377a 67 /* Session daemon command */
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68 LTTNG_CREATE_SESSION = 8,
69 LTTNG_DESTROY_SESSION = 9,
70 LTTNG_LIST_CHANNELS = 10,
71 LTTNG_LIST_DOMAINS = 11,
72 LTTNG_LIST_EVENTS = 12,
73 LTTNG_LIST_SESSIONS = 13,
74 LTTNG_LIST_TRACEPOINTS = 14,
75 LTTNG_REGISTER_CONSUMER = 15,
76 LTTNG_START_TRACE = 16,
77 LTTNG_STOP_TRACE = 17,
78 LTTNG_LIST_TRACEPOINT_FIELDS = 18,
53a80697 79
de5e9086 80 /* Consumer */
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81 LTTNG_DISABLE_CONSUMER = 19,
82 LTTNG_ENABLE_CONSUMER = 20,
83 LTTNG_SET_CONSUMER_URI = 21,
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84 /* 22 */
85 /* 23 */
7c9534d6 86 LTTNG_DATA_PENDING = 24,
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87 LTTNG_SNAPSHOT_ADD_OUTPUT = 25,
88 LTTNG_SNAPSHOT_DEL_OUTPUT = 26,
89 LTTNG_SNAPSHOT_LIST_OUTPUT = 27,
90 LTTNG_SNAPSHOT_RECORD = 28,
27babd3a 91 LTTNG_CREATE_SESSION_SNAPSHOT = 29,
ecc48a90 92 LTTNG_CREATE_SESSION_LIVE = 30,
00c76cea 93 LTTNG_SAVE_SESSION = 31,
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94};
95
96enum lttcomm_relayd_command {
97 RELAYD_ADD_STREAM = 1,
98 RELAYD_CREATE_SESSION = 2,
99 RELAYD_START_DATA = 3,
100 RELAYD_UPDATE_SYNC_INFO = 4,
101 RELAYD_VERSION = 5,
102 RELAYD_SEND_METADATA = 6,
103 RELAYD_CLOSE_STREAM = 7,
104 RELAYD_DATA_PENDING = 8,
105 RELAYD_QUIESCENT_CONTROL = 9,
106 RELAYD_BEGIN_DATA_PENDING = 10,
107 RELAYD_END_DATA_PENDING = 11,
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108 RELAYD_ADD_INDEX = 12,
109 RELAYD_SEND_INDEX = 13,
110 RELAYD_CLOSE_INDEX = 14,
a4baae1b 111 /* Live-reading commands (2.4+). */
d3e2ba59 112 RELAYD_LIST_SESSIONS = 15,
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113 /* All streams of the channel have been sent to the relayd (2.4+). */
114 RELAYD_STREAMS_SENT = 16,
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115};
116
117/*
118 * lttcomm error code.
119 */
120enum lttcomm_return_code {
0c759fc9 121 LTTCOMM_CONSUMERD_SUCCESS = 0, /* Everything went fine. */
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122 LTTCOMM_CONSUMERD_COMMAND_SOCK_READY = 1, /* Command socket ready */
123 LTTCOMM_CONSUMERD_SUCCESS_RECV_FD, /* Success on receiving fds */
124 LTTCOMM_CONSUMERD_ERROR_RECV_FD, /* Error on receiving fds */
125 LTTCOMM_CONSUMERD_ERROR_RECV_CMD, /* Error on receiving command */
126 LTTCOMM_CONSUMERD_POLL_ERROR, /* Error in polling thread */
127 LTTCOMM_CONSUMERD_POLL_NVAL, /* Poll on closed fd */
128 LTTCOMM_CONSUMERD_POLL_HUP, /* All fds have hungup */
129 LTTCOMM_CONSUMERD_EXIT_SUCCESS, /* Consumerd exiting normally */
130 LTTCOMM_CONSUMERD_EXIT_FAILURE, /* Consumerd exiting on error */
131 LTTCOMM_CONSUMERD_OUTFD_ERROR, /* Error opening the tracefile */
132 LTTCOMM_CONSUMERD_SPLICE_EBADF, /* EBADF from splice(2) */
133 LTTCOMM_CONSUMERD_SPLICE_EINVAL, /* EINVAL from splice(2) */
134 LTTCOMM_CONSUMERD_SPLICE_ENOMEM, /* ENOMEM from splice(2) */
135 LTTCOMM_CONSUMERD_SPLICE_ESPIPE, /* ESPIPE from splice(2) */
ffe60014 136 LTTCOMM_CONSUMERD_ENOMEM, /* Consumer is out of memory */
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137 LTTCOMM_CONSUMERD_ERROR_METADATA, /* Error with metadata. */
138 LTTCOMM_CONSUMERD_FATAL, /* Fatal error. */
618a6a28 139 LTTCOMM_CONSUMERD_RELAYD_FAIL, /* Error on remote relayd */
0c759fc9 140 LTTCOMM_CONSUMERD_CHANNEL_FAIL, /* Channel creation failed. */
e462382a 141 LTTCOMM_CONSUMERD_CHAN_NOT_FOUND, /* Channel not found. */
80e327fa 142
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143 /* MUST be last element */
144 LTTCOMM_NR, /* Last element */
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145};
146
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147/* lttng socket protocol. */
148enum lttcomm_sock_proto {
149 LTTCOMM_SOCK_UDP,
150 LTTCOMM_SOCK_TCP,
151};
152
153/*
154 * Index in the net_families array below. Please keep in sync!
155 */
156enum lttcomm_sock_domain {
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157 LTTCOMM_INET = 0,
158 LTTCOMM_INET6 = 1,
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159};
160
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161enum lttcomm_metadata_command {
162 LTTCOMM_METADATA_REQUEST = 1,
163};
164
165/*
166 * Commands sent from the consumerd to the sessiond to request if new metadata
167 * is available. This message is used to find the per UID _or_ per PID registry
168 * for the channel key. For per UID lookup, the triplet
169 * bits_per_long/uid/session_id is used. On lookup failure, we search for the
170 * per PID registry indexed by session id ignoring the other values.
171 */
172struct lttcomm_metadata_request_msg {
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173 uint64_t session_id; /* Tracing session id */
174 uint64_t session_id_per_pid; /* Tracing session id for per-pid */
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175 uint32_t bits_per_long; /* Consumer ABI */
176 uint32_t uid;
177 uint64_t key; /* Metadata channel key. */
178} LTTNG_PACKED;
179
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180struct lttcomm_sockaddr {
181 enum lttcomm_sock_domain type;
182 union {
183 struct sockaddr_in sin;
184 struct sockaddr_in6 sin6;
185 } addr;
fc5e05b7 186} LTTNG_PACKED;
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187
188struct lttcomm_sock {
d88aee68 189 int32_t fd;
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190 enum lttcomm_sock_proto proto;
191 struct lttcomm_sockaddr sockaddr;
192 const struct lttcomm_proto_ops *ops;
fc5e05b7 193} LTTNG_PACKED;
de5e9086 194
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195/*
196 * Relayd sock. Adds the protocol version to use for the communications with
197 * the relayd.
198 */
199struct lttcomm_relayd_sock {
200 struct lttcomm_sock sock;
201 uint32_t major;
202 uint32_t minor;
203} LTTNG_PACKED;
204
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205struct lttcomm_net_family {
206 int family;
207 int (*create) (struct lttcomm_sock *sock, int type, int proto);
208};
209
210struct lttcomm_proto_ops {
211 int (*bind) (struct lttcomm_sock *sock);
212 int (*close) (struct lttcomm_sock *sock);
213 int (*connect) (struct lttcomm_sock *sock);
214 struct lttcomm_sock *(*accept) (struct lttcomm_sock *sock);
215 int (*listen) (struct lttcomm_sock *sock, int backlog);
216 ssize_t (*recvmsg) (struct lttcomm_sock *sock, void *buf, size_t len,
217 int flags);
218 ssize_t (*sendmsg) (struct lttcomm_sock *sock, void *buf, size_t len,
219 int flags);
220};
221
fac6795d 222/*
9bda164d 223 * Data structure received from lttng client to session daemon.
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224 */
225struct lttcomm_session_msg {
d0b96690 226 uint32_t cmd_type; /* enum lttcomm_sessiond_command */
42abccdb 227 struct lttng_session session;
9f19cc17 228 struct lttng_domain domain;
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229 union {
230 struct {
db8870ed 231 char channel_name[LTTNG_SYMBOL_NAME_LEN];
f3ed775e 232 char name[NAME_MAX];
fc5e05b7 233 } LTTNG_PACKED disable;
f3ed775e 234 /* Event data */
fac6795d 235 struct {
db8870ed 236 char channel_name[LTTNG_SYMBOL_NAME_LEN];
1179a48f 237 struct lttng_event event LTTNG_PACKED;
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238 /* Length of following filter expression. */
239 uint32_t expression_len;
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240 /* Length of following bytecode for filter. */
241 uint32_t bytecode_len;
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242 /* exclusion data */
243 uint32_t exclusion_count;
244 /*
245 * After this structure, the following variable-length
246 * items are transmitted:
247 * - char exclusion_names[LTTNG_SYMBOL_NAME_LEN][exclusion_count]
6b453b5e 248 * - unsigned char filter_expression[expression_len]
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249 * - unsigned char filter_bytecode[bytecode_len]
250 */
fc5e05b7 251 } LTTNG_PACKED enable;
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252 /* Create channel */
253 struct {
1179a48f 254 struct lttng_channel chan LTTNG_PACKED;
fc5e05b7 255 } LTTNG_PACKED channel;
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256 /* Context */
257 struct {
db8870ed 258 char channel_name[LTTNG_SYMBOL_NAME_LEN];
1179a48f 259 struct lttng_event_context ctx LTTNG_PACKED;
fc5e05b7 260 } LTTNG_PACKED context;
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261 /* Use by register_consumer */
262 struct {
263 char path[PATH_MAX];
fc5e05b7 264 } LTTNG_PACKED reg;
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265 /* List */
266 struct {
db8870ed 267 char channel_name[LTTNG_SYMBOL_NAME_LEN];
fc5e05b7 268 } LTTNG_PACKED list;
d0254c7c 269 struct lttng_calibrate calibrate;
a4b92340 270 /* Used by the set_consumer_url and used by create_session also call */
de5e9086 271 struct {
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272 /* Number of lttng_uri following */
273 uint32_t size;
fc5e05b7 274 } LTTNG_PACKED uri;
da3c9ec1 275 struct {
1179a48f 276 struct lttng_snapshot_output output LTTNG_PACKED;
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277 } LTTNG_PACKED snapshot_output;
278 struct {
279 uint32_t wait;
1179a48f 280 struct lttng_snapshot_output output LTTNG_PACKED;
da3c9ec1 281 } LTTNG_PACKED snapshot_record;
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282 struct {
283 uint32_t nb_uri;
284 unsigned int timer_interval; /* usec */
285 } LTTNG_PACKED session_live;
00c76cea 286 struct {
1179a48f 287 struct lttng_save_session_attr attr; /* struct already packed */
00c76cea 288 } LTTNG_PACKED save_session;
fac6795d 289 } u;
fc5e05b7 290} LTTNG_PACKED;
fac6795d 291
d93c4f1f 292#define LTTNG_FILTER_MAX_LEN 65536
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293
294/*
295 * Filter bytecode data. The reloc table is located at the end of the
296 * bytecode. It is made of tuples: (uint16_t, var. len. string). It
297 * starts at reloc_table_offset.
298 */
b6bbed5f 299#define LTTNG_FILTER_PADDING 32
53a80697 300struct lttng_filter_bytecode {
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301 uint32_t len; /* len of data */
302 uint32_t reloc_table_offset;
f3f0db50 303 uint64_t seqnum;
b6bbed5f 304 char padding[LTTNG_FILTER_PADDING];
53a80697 305 char data[0];
fc5e05b7 306} LTTNG_PACKED;
53a80697 307
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308/*
309 * Event exclusion data. At the end of the structure, there will actually
310 * by zero or more names, where the actual number of names is given by
311 * the 'count' item of the structure.
312 */
313#define LTTNG_EVENT_EXCLUSION_PADDING 32
314struct lttng_event_exclusion {
315 uint32_t count;
316 char padding[LTTNG_EVENT_EXCLUSION_PADDING];
317 char names[LTTNG_SYMBOL_NAME_LEN][0];
318} LTTNG_PACKED;
319
fac6795d 320/*
5e16da05 321 * Data structure for the response from sessiond to the lttng client.
fac6795d 322 */
5461b305 323struct lttcomm_lttng_msg {
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324 uint32_t cmd_type; /* enum lttcomm_sessiond_command */
325 uint32_t ret_code; /* enum lttcomm_return_code */
326 uint32_t pid; /* pid_t */
773168b7 327 uint32_t data_size;
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328 /* Contains: trace_name + data */
329 char payload[];
fc5e05b7 330} LTTNG_PACKED;
fac6795d 331
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332struct lttcomm_lttng_output_id {
333 uint32_t id;
334} LTTNG_PACKED;
335
6e3805e2 336/*
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337 * lttcomm_consumer_msg is the message sent from sessiond to consumerd
338 * to either add a channel, add a stream, update a stream, or stop
339 * operation.
6e3805e2 340 */
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341struct lttcomm_consumer_msg {
342 uint32_t cmd_type; /* enum consumerd_command */
343 union {
344 struct {
d88aee68 345 uint64_t channel_key;
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346 uint64_t session_id;
347 char pathname[PATH_MAX];
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348 uint32_t uid;
349 uint32_t gid;
350 uint64_t relayd_id;
c30aaa51 351 /* nb_init_streams is the number of streams open initially. */
d88aee68 352 uint32_t nb_init_streams;
de5e9086 353 char name[LTTNG_SYMBOL_NAME_LEN];
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354 /* Use splice or mmap to consume this fd */
355 enum lttng_event_output output;
356 int type; /* Per cpu or metadata. */
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357 uint64_t tracefile_size; /* bytes */
358 uint32_t tracefile_count; /* number of tracefiles */
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359 /* If the channel's streams have to be monitored or not. */
360 uint32_t monitor;
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361 /* timer to check the streams usage in live mode (usec). */
362 unsigned int live_timer_interval;
ffe60014 363 } LTTNG_PACKED channel; /* Only used by Kernel. */
3bd1e081 364 struct {
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365 uint64_t stream_key;
366 uint64_t channel_key;
367 int32_t cpu; /* On which CPU this stream is assigned. */
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368 /* Tells the consumer if the stream should be or not monitored. */
369 uint32_t no_monitor;
ffe60014 370 } LTTNG_PACKED stream; /* Only used by Kernel. */
de5e9086 371 struct {
d88aee68 372 uint64_t net_index;
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373 enum lttng_stream_type type;
374 /* Open socket to the relayd */
6151a90f 375 struct lttcomm_relayd_sock sock;
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376 /* Tracing session id associated to the relayd. */
377 uint64_t session_id;
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378 /* Relayd session id, only used with control socket. */
379 uint64_t relayd_session_id;
fc5e05b7 380 } LTTNG_PACKED relayd_sock;
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381 struct {
382 uint64_t net_seq_idx;
fc5e05b7 383 } LTTNG_PACKED destroy_relayd;
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384 struct {
385 uint64_t session_id;
fc5e05b7 386 } LTTNG_PACKED data_pending;
ffe60014 387 struct {
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388 uint64_t subbuf_size; /* bytes */
389 uint64_t num_subbuf; /* power of 2 */
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390 int32_t overwrite; /* 1: overwrite, 0: discard */
391 uint32_t switch_timer_interval; /* usec */
392 uint32_t read_timer_interval; /* usec */
ecc48a90 393 unsigned int live_timer_interval; /* usec */
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394 int32_t output; /* splice, mmap */
395 int32_t type; /* metadata or per_cpu */
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396 uint64_t session_id; /* Tracing session id */
397 char pathname[PATH_MAX]; /* Channel file path. */
ffe60014 398 char name[LTTNG_SYMBOL_NAME_LEN]; /* Channel name. */
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399 uint32_t uid; /* User ID of the session */
400 uint32_t gid; /* Group ID ot the session */
401 uint64_t relayd_id; /* Relayd id if apply. */
402 uint64_t key; /* Unique channel key. */
b6d38284 403 unsigned char uuid[UUID_LEN]; /* uuid for ust tracer. */
7972aab2 404 uint32_t chan_id; /* Channel ID on the tracer side. */
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405 uint64_t tracefile_size; /* bytes */
406 uint32_t tracefile_count; /* number of tracefiles */
1950109e 407 uint64_t session_id_per_pid; /* Per-pid session ID. */
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408 /* Tells the consumer if the stream should be or not monitored. */
409 uint32_t monitor;
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410 /*
411 * For UST per UID buffers, this is the application UID of the
412 * channel. This can be different from the user UID requesting the
413 * channel creation and used for the rights on the stream file
414 * because the application can be in the tracing for instance.
415 */
416 uint32_t ust_app_uid;
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417 } LTTNG_PACKED ask_channel;
418 struct {
d88aee68 419 uint64_t key;
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420 } LTTNG_PACKED get_channel;
421 struct {
d88aee68 422 uint64_t key;
ffe60014 423 } LTTNG_PACKED destroy_channel;
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424 struct {
425 uint64_t key; /* Metadata channel key. */
426 uint64_t target_offset; /* Offset in the consumer */
427 uint64_t len; /* Length of metadata to be received. */
428 } LTTNG_PACKED push_metadata;
429 struct {
430 uint64_t key; /* Metadata channel key. */
431 } LTTNG_PACKED close_metadata;
432 struct {
433 uint64_t key; /* Metadata channel key. */
434 } LTTNG_PACKED setup_metadata;
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435 struct {
436 uint64_t key; /* Channel key. */
437 } LTTNG_PACKED flush_channel;
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438 struct {
439 char pathname[PATH_MAX];
440 /* Indicate if the snapshot goes on the relayd or locally. */
441 uint32_t use_relayd;
442 uint32_t metadata; /* This a metadata snapshot. */
443 uint64_t relayd_id; /* Relayd id if apply. */
444 uint64_t key;
5c786ded 445 uint64_t max_stream_size;
6dc3064a 446 } LTTNG_PACKED snapshot_channel;
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447 struct {
448 uint64_t channel_key;
449 uint64_t net_seq_idx;
450 } LTTNG_PACKED sent_streams;
3bd1e081 451 } u;
fc5e05b7 452} LTTNG_PACKED;
6e3805e2 453
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454/*
455 * Status message returned to the sessiond after a received command.
456 */
457struct lttcomm_consumer_status_msg {
0c759fc9 458 enum lttcomm_return_code ret_code;
fc5e05b7 459} LTTNG_PACKED;
f50f23d9 460
ffe60014 461struct lttcomm_consumer_status_channel {
0c759fc9 462 enum lttcomm_return_code ret_code;
d88aee68 463 uint64_t key;
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464 unsigned int stream_count;
465} LTTNG_PACKED;
466
74d0b642 467#ifdef HAVE_LIBLTTNG_UST_CTL
3bd1e081 468
9df8df5e 469#include <lttng/ust-abi.h>
6e3805e2 470
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471/*
472 * Data structure for the commands sent from sessiond to UST.
473 */
474struct lttcomm_ust_msg {
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475 uint32_t handle;
476 uint32_t cmd;
477 union {
3817e7df 478 struct lttng_ust_channel channel;
00a17c97 479 struct lttng_ust_stream stream;
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480 struct lttng_ust_event event;
481 struct lttng_ust_context context;
00a17c97 482 struct lttng_ust_tracer_version version;
3817e7df 483 } u;
fc5e05b7 484} LTTNG_PACKED;
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485
486/*
487 * Data structure for the response from UST to the session daemon.
488 * cmd_type is sent back in the reply for validation.
489 */
490struct lttcomm_ust_reply {
491 uint32_t handle;
492 uint32_t cmd;
493 uint32_t ret_code; /* enum lttcomm_return_code */
494 uint32_t ret_val; /* return value */
495 union {
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496 struct {
497 uint64_t memory_map_size;
fc5e05b7 498 } LTTNG_PACKED channel;
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499 struct {
500 uint64_t memory_map_size;
fc5e05b7 501 } LTTNG_PACKED stream;
00a17c97 502 struct lttng_ust_tracer_version version;
3817e7df 503 } u;
fc5e05b7 504} LTTNG_PACKED;
3817e7df 505
74d0b642 506#endif /* HAVE_LIBLTTNG_UST_CTL */
3bd1e081 507
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508extern const char *lttcomm_get_readable_code(enum lttcomm_return_code code);
509
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510extern int lttcomm_init_inet_sockaddr(struct lttcomm_sockaddr *sockaddr,
511 const char *ip, unsigned int port);
512extern int lttcomm_init_inet6_sockaddr(struct lttcomm_sockaddr *sockaddr,
513 const char *ip, unsigned int port);
514
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515extern struct lttcomm_sock *lttcomm_alloc_sock(enum lttcomm_sock_proto proto);
516extern int lttcomm_create_sock(struct lttcomm_sock *sock);
517extern struct lttcomm_sock *lttcomm_alloc_sock_from_uri(struct lttng_uri *uri);
518extern void lttcomm_destroy_sock(struct lttcomm_sock *sock);
519extern struct lttcomm_sock *lttcomm_alloc_copy_sock(struct lttcomm_sock *src);
520extern void lttcomm_copy_sock(struct lttcomm_sock *dst,
521 struct lttcomm_sock *src);
6364a07a 522
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523/* Relayd socket object. */
524extern struct lttcomm_relayd_sock *lttcomm_alloc_relayd_sock(
525 struct lttng_uri *uri, uint32_t major, uint32_t minor);
526
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527extern int lttcomm_setsockopt_rcv_timeout(int sock, unsigned int msec);
528extern int lttcomm_setsockopt_snd_timeout(int sock, unsigned int msec);
529
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530extern void lttcomm_init(void);
531/* Get network timeout, in milliseconds */
532extern unsigned long lttcomm_get_network_timeout(void);
533
773168b7 534#endif /* _LTTNG_SESSIOND_COMM_H */
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