/* * Copyright (C) 2017 - Jérémie Galarneau * * This library is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License, version 2.1 only, * as published by the Free Software Foundation. * * This library is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License * for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this library; if not, write to the Free Software Foundation, * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef LTTNG_ACTION_NOTIFY_H #define LTTNG_ACTION_NOTIFY_H struct lttng_action; #ifdef __cplusplus extern "C" { #endif /* * Create a newly allocated notification action object. * * A "notify" action will emit a notification to all clients which have an * open notification channel. In order to receive this notification, clients * must have subscribed to a condition equivalent to the one paired to this * notify action in a trigger. * * Returns a new action on success, NULL on failure. This action must be * destroyed using lttng_action_destroy(). */ extern struct lttng_action *lttng_action_notify_create(void); #ifdef __cplusplus } #endif #endif /* LTTNG_ACTION_NOTIFY_H */