src/bin/lttng-sessiond/rotation-thread.h

   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 ROTATION_THREAD_H
  10 #define ROTATION_THREAD_H
  11
  12 #include <urcu/list.h>
  13 #include <urcu.h>
  14 #include <urcu/rculfhash.h>
  15 #include <lttng/domain.h>
  16 #include <common/pipe.h>
  17 #include <common/compat/poll.h>
  18 #include <common/hashtable/hashtable.h>
  19 #include <pthread.h>
  20 #include <semaphore.h>
  21 #include "session.h"
  22 #include "notification-thread.h"
  23
  24 extern struct lttng_notification_channel *rotate_notification_channel;
  25
  26 enum rotation_thread_job_type {
  27         ROTATION_THREAD_JOB_TYPE_SCHEDULED_ROTATION,
  28         ROTATION_THREAD_JOB_TYPE_CHECK_PENDING_ROTATION
  29 };
  30
  31 struct rotation_thread_timer_queue;
  32 struct rotation_thread_handle;
  33
  34 struct rotation_thread_timer_queue *rotation_thread_timer_queue_create(void);
  35 void rotation_thread_timer_queue_destroy(
  36                 struct rotation_thread_timer_queue *queue);
  37
  38 struct rotation_thread_handle *rotation_thread_handle_create(
  39                 struct rotation_thread_timer_queue *rotation_timer_queue,
  40                 struct notification_thread_handle *notification_thread_handle);
  41
  42 void rotation_thread_handle_destroy(
  43                 struct rotation_thread_handle *handle);
  44
  45 void rotation_thread_enqueue_job(struct rotation_thread_timer_queue *queue,
  46                 enum rotation_thread_job_type job_type,
  47                 struct ltt_session *session);
  48
  49 bool launch_rotation_thread(struct rotation_thread_handle *handle);
  50
  51 #endif /* ROTATION_THREAD_H */