Clean-up: move global sessiond symbols out of main.o
[lttng-tools.git] / 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 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License, version 2 only, as
7 * 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 with
15 * this program; if not, write to the Free Software Foundation, Inc., 51
16 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
17 */
18
19 #ifndef ROTATION_THREAD_H
20 #define ROTATION_THREAD_H
21
22 #include <urcu/list.h>
23 #include <urcu.h>
24 #include <urcu/rculfhash.h>
25 #include <lttng/domain.h>
26 #include <common/pipe.h>
27 #include <common/compat/poll.h>
28 #include <common/hashtable/hashtable.h>
29 #include <pthread.h>
30 #include <semaphore.h>
31 #include "session.h"
32 #include "notification-thread.h"
33
34 extern struct lttng_notification_channel *rotate_notification_channel;
35
36 enum rotation_thread_job_type {
37 ROTATION_THREAD_JOB_TYPE_SCHEDULED_ROTATION,
38 ROTATION_THREAD_JOB_TYPE_CHECK_PENDING_ROTATION
39 };
40
41 struct rotation_thread_timer_queue;
42 struct rotation_thread_handle;
43
44 struct rotation_thread_timer_queue *rotation_thread_timer_queue_create(void);
45 void rotation_thread_timer_queue_destroy(
46 struct rotation_thread_timer_queue *queue);
47
48 struct rotation_thread_handle *rotation_thread_handle_create(
49 struct rotation_thread_timer_queue *rotation_timer_queue,
50 struct notification_thread_handle *notification_thread_handle,
51 sem_t *notification_thread_ready);
52
53 void rotation_thread_handle_destroy(
54 struct rotation_thread_handle *handle);
55
56 void rotation_thread_enqueue_job(struct rotation_thread_timer_queue *queue,
57 enum rotation_thread_job_type job_type, uint64_t session_id);
58
59 void *thread_rotation(void *data);
60
61 #endif /* ROTATION_THREAD_H */
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