src/bin/lttng-sessiond/timer.h

   1 /*
   2  * Copyright (C) 2017 - Julien Desfossez <jdesfossez@efficios.com>
   3  * Copyright (C) 2018 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License, version 2 only,
   7  * as published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  12  * more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18
  19 #ifndef SESSIOND_TIMER_H
  20 #define SESSIOND_TIMER_H
  21
  22 #include <pthread.h>
  23 #include <stdbool.h>
  24
  25 #include "session.h"
  26
  27 struct timer_thread_parameters {
  28         struct rotation_thread_timer_queue *rotation_thread_job_queue;
  29 };
  30
  31 int timer_signal_init(void);
  32
  33 /* Start a session's rotation pending check timer (one-shot mode). */
  34 int timer_session_rotation_pending_check_start(struct ltt_session *session,
  35                 unsigned int interval_us);
  36 /* Stop a session's rotation pending check timer. */
  37 int timer_session_rotation_pending_check_stop(struct ltt_session *session);
  38
  39 /* Start a session's rotation schedule timer. */
  40 int timer_session_rotation_schedule_timer_start(struct ltt_session *session,
  41                 unsigned int interval_us);
  42 /* Stop a session's rotation schedule timer. */
  43 int timer_session_rotation_schedule_timer_stop(struct ltt_session *session);
  44
  45 bool launch_timer_thread(
  46                 struct timer_thread_parameters *timer_thread_parameters);
  47
  48 #endif /* SESSIOND_TIMER_H */