Add client notification API
[lttng-tools.git] / include / lttng / trigger / trigger.h
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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
21struct lttng_action;
22struct lttng_condition;
23struct lttng_trigger;
24
25#ifdef __cplusplus
26extern "C" {
27#endif
28
29enum 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. */
35extern struct lttng_trigger *lttng_trigger_create(
36 struct lttng_condition *condition, struct lttng_action *action);
37
38extern struct lttng_condition *lttng_trigger_get_condition(
39 struct lttng_trigger *trigger);
40
41extern struct lttng_action *lttng_trigger_get_action(
42 struct lttng_trigger *trigger);
43
44extern void lttng_trigger_destroy(struct lttng_trigger *trigger);
45
46extern int lttng_register_trigger(struct lttng_trigger *trigger);
47
48extern 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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