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 "rotation-thread.hpp"
  13 #include "session.hpp"
  14
  15 #include <pthread.h>
  16 #include <stdbool.h>
  17
  18 struct timer_thread_parameters {
  19         lttng::sessiond::rotation_thread_timer_queue *rotation_thread_job_queue;
  20 };
  21
  22 int timer_signal_init();
  23
  24 /* Start a session's rotation pending check timer (one-shot mode). */
  25 int timer_session_rotation_pending_check_start(struct ltt_session *session,
  26                                                unsigned int interval_us);
  27 /* Stop a session's rotation pending check timer. */
  28 int timer_session_rotation_pending_check_stop(ltt_session& session);
  29
  30 /* Start a session's rotation schedule timer. */
  31 int timer_session_rotation_schedule_timer_start(struct ltt_session *session,
  32                                                 unsigned int interval_us);
  33 /* Stop a session's rotation schedule timer. */
  34 int timer_session_rotation_schedule_timer_stop(struct ltt_session *session);
  35
  36 bool launch_timer_thread(struct timer_thread_parameters *timer_thread_parameters);
  37
  38 #endif /* SESSIOND_TIMER_H */