X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Frotation-thread.h;h=27ef3954e5051520fdba794f900217626effab48;hp=41da6e0444e209855fe14d7986834e9dd1979c99;hb=a2814ea7573bf5edd5323d6f89c48ff14105db69;hpb=90936dcf0968343f20b2f6fd365b9c015cdb9717

diff --git a/src/bin/lttng-sessiond/rotation-thread.h b/src/bin/lttng-sessiond/rotation-thread.h
index 41da6e044..27ef3954e 100644
--- a/src/bin/lttng-sessiond/rotation-thread.h
+++ b/src/bin/lttng-sessiond/rotation-thread.h
@@ -1,18 +1,9 @@
 /*
- * Copyright (C) 2017 - Julien Desfossez <jdesfossez@efficios.com>
+ * Copyright (C) 2017 Julien Desfossez <jdesfossez@efficios.com>
+ * Copyright (C) 2018 Jérémie Galarneau <jeremie.galarneau@efficios.com>
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License, version 2 only, as
- * published by the Free Software Foundation.
+ * SPDX-License-Identifier: GPL-2.0-only
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 51
- * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
 #ifndef ROTATION_THREAD_H
@@ -28,49 +19,33 @@
 #include <pthread.h>
 #include <semaphore.h>
 #include "session.h"
+#include "notification-thread.h"
 
-/*
- * The timer thread enqueues struct sessiond_rotation_timer objects in the list
- * and wake up the rotation thread. When the rotation thread wakes up, it
- * empties the queue.
- */
-struct rotation_thread_timer_queue {
-	struct lttng_pipe *event_pipe;
-	struct cds_list_head list;
-	pthread_mutex_t lock;
-};
-
-struct rotation_thread_handle {
-	/*
-	 * Read side of pipes used to communicate with the rotation thread.
-	 */
-	/* Notification from the consumers */
-	int ust32_consumer;
-	int ust64_consumer;
-	int kernel_consumer;
-	/* quit pipe */
-	int thread_quit_pipe;
+extern struct lttng_notification_channel *rotate_notification_channel;
 
-	struct rotation_thread_timer_queue *rotation_timer_queue;
+enum rotation_thread_job_type {
+	ROTATION_THREAD_JOB_TYPE_SCHEDULED_ROTATION,
+	ROTATION_THREAD_JOB_TYPE_CHECK_PENDING_ROTATION
+};
 
-	/* Access to the notification thread cmd_queue */
-	struct notification_thread_handle *notification_thread_handle;
+struct rotation_thread_timer_queue;
+struct rotation_thread_handle;
 
-	sem_t *notification_thread_ready;
-};
+struct rotation_thread_timer_queue *rotation_thread_timer_queue_create(void);
+void rotation_thread_timer_queue_destroy(
+		struct rotation_thread_timer_queue *queue);
 
 struct rotation_thread_handle *rotation_thread_handle_create(
-		struct lttng_pipe *ust32_channel_rotate_pipe,
-		struct lttng_pipe *ust64_channel_rotate_pipe,
-		struct lttng_pipe *kernel_channel_rotate_pipe,
-		int thread_quit_pipe,
 		struct rotation_thread_timer_queue *rotation_timer_queue,
-		struct notification_thread_handle *notification_thread_handle,
-		sem_t *notification_thread_ready);
+		struct notification_thread_handle *notification_thread_handle);
 
 void rotation_thread_handle_destroy(
 		struct rotation_thread_handle *handle);
 
-void *thread_rotation(void *data);
+void rotation_thread_enqueue_job(struct rotation_thread_timer_queue *queue,
+		enum rotation_thread_job_type job_type,
+		struct ltt_session *session);
+
+bool launch_rotation_thread(struct rotation_thread_handle *handle);
 
 #endif /* ROTATION_THREAD_H */