src/bin/lttng-sessiond/timer.hpp

   1 /*
   2  * Copyright (C) 2017 Julien Desfossez <jdesfossez@efficios.com>
   3  * Copyright (C) 2018 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   4  *
   5  * SPDX-License-Identifier: GPL-2.0-only
   6  *
   7  */
   8
   9 #ifndef SESSIOND_TIMER_H
  10 #define SESSIOND_TIMER_H
  11
  12 #include <pthread.h>
  13 #include <stdbool.h>
  14
  15 #include "session.hpp"
  16
  17 struct timer_thread_parameters {
  18         struct rotation_thread_timer_queue *rotation_thread_job_queue;
  19 };
  20
  21 int timer_signal_init(void);
  22
  23 /* Start a session's rotation pending check timer (one-shot mode). */
  24 int timer_session_rotation_pending_check_start(struct ltt_session *session,
  25                 unsigned int interval_us);
  26 /* Stop a session's rotation pending check timer. */
  27 int timer_session_rotation_pending_check_stop(struct ltt_session *session);
  28
  29 /* Start a session's rotation schedule timer. */
  30 int timer_session_rotation_schedule_timer_start(struct ltt_session *session,
  31                 unsigned int interval_us);
  32 /* Stop a session's rotation schedule timer. */
  33 int timer_session_rotation_schedule_timer_stop(struct ltt_session *session);
  34
  35 bool launch_timer_thread(
  36                 struct timer_thread_parameters *timer_thread_parameters);
  37
  38 #endif /* SESSIOND_TIMER_H */