+#ifndef BABELTRACE_CTF_IR_CLOCK_INTERNAL_H
+#define BABELTRACE_CTF_IR_CLOCK_INTERNAL_H
+
+/*
+ * BabelTrace - CTF IR: Clock internal
+ *
+ * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <babeltrace/ctf-writer/ref-internal.h>
+#include <babeltrace/ctf-writer/clock.h>
+#include <babeltrace/ctf-writer/writer-internal.h>
+#include <babeltrace/babeltrace-internal.h>
+#include <glib.h>
+#include <uuid/uuid.h>
+
+struct bt_ctf_clock {
+ struct bt_ctf_ref ref_count;
+ GString *name;
+ GString *description;
+ uint64_t frequency;
+ uint64_t precision;
+ uint64_t offset_s; /* Offset in seconds */
+ uint64_t offset; /* Offset in ticks */
+ uint64_t time; /* Current clock value */
+ uuid_t uuid;
+ int absolute;
+ /*
+ * A clock's properties can't be modified once it is added to a stream
+ * class.
+ */
+ int frozen;
+};
+
+BT_HIDDEN
+void bt_ctf_clock_freeze(struct bt_ctf_clock *clock);
+
+BT_HIDDEN
+void bt_ctf_clock_serialize(struct bt_ctf_clock *clock,
+ struct metadata_context *context);
+
+#endif /* BABELTRACE_CTF_IR_CLOCK_INTERNAL_H */