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8c0faa1d DG |
1 | /* |
2 | * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca> | |
fac6795d DG |
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 | |
82a3637f DG |
6 | * as published by the Free Software Foundation; only version 2 |
7 | * of the License. | |
8c0faa1d | 8 | * |
fac6795d DG |
9 | * This program is distributed in the hope that it will be useful, |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
050349bb | 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
fac6795d | 12 | * GNU General Public License for more details. |
8c0faa1d | 13 | * |
fac6795d DG |
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. | |
fac6795d DG |
17 | */ |
18 | ||
19 | #ifndef _LTT_SESSIOND_H | |
20 | #define _LTT_SESSIOND_H | |
21 | ||
099e26bd | 22 | #define _LGPL_SOURCE |
f6a9efaa | 23 | #include <urcu.h> |
099e26bd DG |
24 | #include <urcu/wfqueue.h> |
25 | ||
10a8a223 DG |
26 | #include <common/sessiond-comm/sessiond-comm.h> |
27 | ||
28 | #include "session.h" | |
56fff090 | 29 | #include "ust-app.h" |
099e26bd | 30 | |
096102bd | 31 | const char *module_proc_lttng = "/proc/lttng"; |
20fe2104 | 32 | |
686204ab MD |
33 | extern const char default_home_dir[], |
34 | default_tracing_group[], | |
35 | default_ust_sock_dir[], | |
36 | default_global_apps_pipe[]; | |
fac6795d | 37 | |
5461b305 DG |
38 | /* |
39 | * This contains extra data needed for processing a command received by the | |
40 | * session daemon from the lttng client. | |
41 | */ | |
42 | struct command_ctx { | |
43 | int ust_sock; | |
44 | unsigned int lttng_msg_size; | |
be040666 | 45 | struct ucred creds; |
5461b305 DG |
46 | struct ltt_session *session; |
47 | struct lttcomm_lttng_msg *llm; | |
48 | struct lttcomm_session_msg *lsm; | |
49 | }; | |
50 | ||
099e26bd DG |
51 | struct ust_command { |
52 | int sock; | |
53 | struct ust_register_msg reg_msg; | |
54 | struct cds_wfq_node node; | |
55 | }; | |
56 | ||
57 | /* | |
58 | * Queue used to enqueue UST registration request (ust_commant) and protected | |
59 | * by a futex with a scheme N wakers / 1 waiters. See futex.c/.h | |
60 | */ | |
61 | struct ust_cmd_queue { | |
62 | int32_t futex; | |
63 | struct cds_wfq_queue queue; | |
64 | }; | |
65 | ||
fac6795d | 66 | #endif /* _LTT_SESSIOND_H */ |