Add client notification API
[lttng-tools.git] / include / lttng / trigger / trigger.h
1 /*
2 * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
3 *
4 * This library is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU Lesser General Public License, version 2.1 only,
6 * as published by the Free Software Foundation.
7 *
8 * This library 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 Lesser General Public License
11 * for more details.
12 *
13 * You should have received a copy of the GNU Lesser General Public License
14 * along with this library; if not, write to the Free Software Foundation,
15 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
16 */
17
18 #ifndef LTTNG_TRIGGER_H
19 #define LTTNG_TRIGGER_H
20
21 struct lttng_action;
22 struct lttng_condition;
23 struct lttng_trigger;
24
25 #ifdef __cplusplus
26 extern "C" {
27 #endif
28
29 enum lttng_register_trigger_status {
30 LTTNG_REGISTER_TRIGGER_STATUS_OK = 0,
31 LTTNG_REGISTER_TRIGGER_STATUS_INVALID = -1,
32 };
33
34 /* The caller retains the ownership of both condition and action. */
35 extern struct lttng_trigger *lttng_trigger_create(
36 struct lttng_condition *condition, struct lttng_action *action);
37
38 extern struct lttng_condition *lttng_trigger_get_condition(
39 struct lttng_trigger *trigger);
40
41 extern struct lttng_action *lttng_trigger_get_action(
42 struct lttng_trigger *trigger);
43
44 extern void lttng_trigger_destroy(struct lttng_trigger *trigger);
45
46 extern int lttng_register_trigger(struct lttng_trigger *trigger);
47
48 extern int lttng_unregister_trigger(struct lttng_trigger *trigger);
49
50 #ifdef __cplusplus
51 }
52 #endif
53
54 #endif /* LTTNG_TRIGGER_H */
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