Move to kernel style SPDX license identifiers
[lttng-tools.git] / include / lttng / action / notify.h
1 /*
2 * Copyright (C) 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
3 *
4 * SPDX-License-Identifier: LGPL-2.1-only
5 *
6 */
7
8 #ifndef LTTNG_ACTION_NOTIFY_H
9 #define LTTNG_ACTION_NOTIFY_H
10
11 struct lttng_action;
12
13 #ifdef __cplusplus
14 extern "C" {
15 #endif
16
17 /*
18 * Create a newly allocated notification action object.
19 *
20 * A "notify" action will emit a notification to all clients which have an
21 * open notification channel. In order to receive this notification, clients
22 * must have subscribed to a condition equivalent to the one paired to this
23 * notify action in a trigger.
24 *
25 * Returns a new action on success, NULL on failure. This action must be
26 * destroyed using lttng_action_destroy().
27 */
28 extern struct lttng_action *lttng_action_notify_create(void);
29
30 #ifdef __cplusplus
31 }
32 #endif
33
34 #endif /* LTTNG_ACTION_NOTIFY_H */
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