--- /dev/null
+/*
+ * Copyright (C) 2017 - Julien Desfossez <jdesfossez@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.
+ *
+ * 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
+#define ROTATION_THREAD_H
+
+#include <urcu/list.h>
+#include <urcu.h>
+#include <urcu/rculfhash.h>
+#include <lttng/domain.h>
+#include <common/pipe.h>
+#include <common/compat/poll.h>
+#include <common/hashtable/hashtable.h>
+#include <pthread.h>
+#include "session.h"
+
+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;
+};
+
+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);
+
+void rotation_thread_handle_destroy(
+ struct rotation_thread_handle *handle);
+
+void *thread_rotation(void *data);
+
+#endif /* ROTATION_THREAD_H */