| 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_ACTION_NOTIFY_H |
| 19 | #define LTTNG_ACTION_NOTIFY_H |
| 20 | |
| 21 | struct lttng_action; |
| 22 | |
| 23 | #ifdef __cplusplus |
| 24 | extern "C" { |
| 25 | #endif |
| 26 | |
| 27 | /* |
| 28 | * Create a newly allocated notification action object. |
| 29 | * |
| 30 | * A "notify" action will emit a notification to all clients which have an |
| 31 | * open notification channel. In order to receive this notification, clients |
| 32 | * must have subscribed to a condition equivalent to the one paired to this |
| 33 | * notify action in a trigger. |
| 34 | * |
| 35 | * Returns a new action on success, NULL on failure. This action must be |
| 36 | * destroyed using lttng_action_destroy(). |
| 37 | */ |
| 38 | extern struct lttng_action *lttng_action_notify_create(void); |
| 39 | |
| 40 | #ifdef __cplusplus |
| 41 | } |
| 42 | #endif |
| 43 | |
| 44 | #endif /* LTTNG_ACTION_NOTIFY_H */ |