Commit | Line | Data |
---|---|---|
ef367a93 JG |
1 | /* |
2 | * Copyright (C) 2014 - Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify it | |
5 | * under the terms of the GNU General Public License, version 2 only, as | |
6 | * published by the Free Software Foundation. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
11 | * more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License along with | |
14 | * this program; if not, write to the Free Software Foundation, Inc., 51 | |
15 | * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
16 | */ | |
17 | ||
6c1c0768 | 18 | #define _LGPL_SOURCE |
ef367a93 | 19 | #include <common/error.h> |
f40ef1d5 | 20 | #include <common/config/session-config.h> |
ef367a93 JG |
21 | |
22 | #include "load-session-thread.h" | |
23 | #include "lttng-sessiond.h" | |
24 | ||
25 | /* | |
26 | * Destroy the thread data previously created with the init function. | |
27 | */ | |
28 | void load_session_destroy_data(struct load_session_thread_data *data) | |
29 | { | |
30 | if (!data) { | |
31 | return; | |
32 | } | |
ef367a93 JG |
33 | } |
34 | ||
35 | /* | |
36 | * Initialize the thread data. This MUST be called before the thread load | |
37 | * session is created. | |
38 | * | |
39 | * Return 0 on success else a negative value. Note that the destroy function | |
40 | * can be called with no or partially initialized data. | |
41 | */ | |
42 | int load_session_init_data(struct load_session_thread_data **data) | |
43 | { | |
eca3ba25 | 44 | struct load_session_thread_data *_data = NULL; |
ef367a93 JG |
45 | |
46 | assert(data); | |
47 | ||
48 | /* | |
49 | * Allocate memory here since this function is called from the main thread | |
50 | * can die *before* the end of the load session thread. | |
51 | */ | |
52 | _data = zmalloc(sizeof(*_data)); | |
53 | if (!_data) { | |
54 | PERROR("zmalloc load session info"); | |
55 | goto error; | |
56 | } | |
ef367a93 JG |
57 | |
58 | *data = _data; | |
59 | return 0; | |
60 | ||
61 | error: | |
eca3ba25 | 62 | free(_data); |
ef367a93 JG |
63 | return -1; |
64 | } | |
65 | ||
66 | /* | |
67 | * This thread loads session configurations once the session daemon is | |
68 | * ready to process client messages. | |
69 | */ | |
70 | void *thread_load_session(void *data) | |
71 | { | |
72 | int ret; | |
73 | struct load_session_thread_data *info = data; | |
74 | ||
75 | DBG("[load-session-thread] Load session"); | |
76 | ||
ab38c13f | 77 | /* Override existing session and autoload also. */ |
1b08cbce | 78 | ret = config_load_session(info->path, NULL, 1, 1, NULL); |
ef367a93 JG |
79 | if (ret) { |
80 | ERR("Session load failed: %s", error_get_str(ret)); | |
81 | } | |
82 | ||
9cc1ba3b | 83 | sessiond_signal_parents(); |
ef367a93 JG |
84 | return NULL; |
85 | } |