Major changes for the daemon data transmission
[lttng-tools.git] / include / lttng / liblttngctl.h
1 /*
2 * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17 */
18
19 #ifndef _LIBLTTNGCTL_H
20 #define _LIBLTTNGCTL_H
21
22 #include <limits.h>
23
24 /* Default unix group name for tracing.
25 */
26 #define DEFAULT_TRACING_GROUP "tracing"
27
28 /* Environment variable to set session daemon
29 * binary path.
30 */
31 #define LTTNG_SESSIOND_PATH_ENV "LTTNG_SESSIOND_PATH"
32
33 /* From libuuid
34 */
35 #define UUID_STR_LEN 37
36
37 /* Simple structure representing a session.
38 */
39 struct lttng_session {
40 char name[NAME_MAX];
41 char uuid[UUID_STR_LEN];
42 };
43
44 extern int lttng_create_session(const char *name, char *session_id);
45 extern int lttng_connect_sessiond(void);
46 extern int lttng_set_tracing_group(const char *name);
47 extern int lttng_check_session_daemon(void);
48 extern const char *lttng_get_readable_code(int code);
49 extern int lttng_ust_list_apps(pid_t **pids);
50 extern int lttng_list_sessions(struct lttng_session **sessions);
51
52 #endif /* _LIBLTTNGCTL_H */
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