2 * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
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.
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.
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.
19 #ifndef _LTT_SESSION_H
20 #define _LTT_SESSION_H
22 #include <lttng/lttng.h>
23 #include <uuid/uuid.h>
26 * FIXME: create a cmd_context structure to pass this kind of
27 * information around as parameter. Will facilitate multithreaded design
30 extern struct ltt_session
*current_session
;
32 /* Global session list */
33 struct ltt_session_list
{
34 struct cds_list_head head
;
37 /* ltt-session - This data structure contains information needed
38 * to identify a tracing session for both LTTng and UST.
42 struct cds_list_head list
;
44 struct cds_list_head ust_traces
;
45 struct cds_list_head kernel_traces
;
46 unsigned int ust_trace_count
;
47 unsigned int kern_trace_count
;
49 pid_t kernel_consumer
;
53 int create_session(char *name
, uuid_t
*session_id
);
54 int destroy_session(uuid_t
*uuid
);
55 void get_lttng_session(struct lttng_session
*lt
);
56 struct ltt_session
*find_session_by_uuid(uuid_t session_id
);
57 struct ltt_session
*find_session_by_name(char *name
);
58 unsigned int get_session_count(void);
60 #endif /* _LTT_SESSION_H */