X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Frotation-thread.h;fp=src%2Fbin%2Flttng-sessiond%2Frotation-thread.h;h=64e1ad98d8b1e4306447f44eb92e14940e5afb01;hp=0000000000000000000000000000000000000000;hb=db66e57489e5014289dc1d831e1eac90ac4fc0da;hpb=b99a8d4211e26a847ca8916884354f159c999ad2

diff --git a/src/bin/lttng-sessiond/rotation-thread.h b/src/bin/lttng-sessiond/rotation-thread.h
new file mode 100644
index 000000000..64e1ad98d
--- /dev/null
+++ b/src/bin/lttng-sessiond/rotation-thread.h
@@ -0,0 +1,54 @@
+/*
+ * 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 */