Add debug and remove useless fct prototype
[lttng-tools.git] / ltt-sessiond / session.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 _LTT_SESSION_H
20 #define _LTT_SESSION_H
21
22 #include <lttng/lttng.h>
23 #include <urcu/list.h>
24 #include <uuid/uuid.h>
25
26 /* Global session list */
27 struct ltt_session_list {
28 struct cds_list_head head;
29 };
30
31 extern struct ltt_session_list ltt_session_list;
32
33 /* ltt-session - This data structure contains information needed
34 * to identify a tracing session for both LTTng and UST.
35 */
36 struct ltt_session {
37 struct cds_list_head list;
38 char *name;
39 uuid_t uuid;
40 struct cds_list_head ust_traces;
41 struct ltt_kernel_session *kernel_session;
42 unsigned int ust_trace_count;
43 unsigned int kern_session_count;
44 pid_t ust_consumer;
45 };
46
47 /* Prototypes */
48 int create_session(char *name, uuid_t *session_id);
49 int destroy_session(uuid_t *uuid);
50 void get_lttng_session(struct lttng_session *sessions);
51 struct ltt_session *find_session_by_uuid(uuid_t session_id);
52 struct ltt_session *find_session_by_name(char *name);
53 unsigned int get_session_count(void);
54 struct ltt_session_list *get_session_list(void);
55
56 #endif /* _LTT_SESSION_H */
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