--- /dev/null
+#ifndef BABELTRACE_CTF_WRITER_CLOCK_CLASS_INTERNAL_H
+#define BABELTRACE_CTF_WRITER_CLOCK_CLASS_INTERNAL_H
+
+/*
+ * BabelTrace - CTF writer: Clock class 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/object-internal.h>
+#include <babeltrace/babeltrace-internal.h>
+#include <babeltrace/object-pool-internal.h>
+#include <babeltrace/compat/uuid-internal.h>
+#include <babeltrace/types.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <glib.h>
+
+struct bt_ctf_clock_class {
+ struct bt_object base;
+ GString *name;
+ GString *description;
+ uint64_t frequency;
+ uint64_t precision;
+ int64_t offset_s; /* Offset in seconds */
+ int64_t offset; /* Offset in ticks */
+ unsigned char uuid[BABELTRACE_UUID_LEN];
+ int uuid_set;
+ 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_class_freeze(struct bt_ctf_clock_class *clock_class);
+
+BT_HIDDEN
+bt_bool bt_ctf_clock_class_is_valid(struct bt_ctf_clock_class *clock_class);
+
+BT_HIDDEN
+int bt_ctf_clock_class_compare(struct bt_ctf_clock_class *clock_class_a,
+ struct bt_ctf_clock_class *clock_class_b);
+
+BT_HIDDEN
+struct bt_ctf_clock_class *bt_ctf_clock_class_create(const char *name,
+ uint64_t freq);
+BT_HIDDEN
+const char *bt_ctf_clock_class_get_name(
+ struct bt_ctf_clock_class *clock_class);
+BT_HIDDEN
+int bt_ctf_clock_class_set_name(struct bt_ctf_clock_class *clock_class,
+ const char *name);
+BT_HIDDEN
+const char *bt_ctf_clock_class_get_description(
+ struct bt_ctf_clock_class *clock_class);
+BT_HIDDEN
+int bt_ctf_clock_class_set_description(
+ struct bt_ctf_clock_class *clock_class,
+ const char *desc);
+BT_HIDDEN
+uint64_t bt_ctf_clock_class_get_frequency(
+ struct bt_ctf_clock_class *clock_class);
+BT_HIDDEN
+int bt_ctf_clock_class_set_frequency(
+ struct bt_ctf_clock_class *clock_class, uint64_t freq);
+BT_HIDDEN
+uint64_t bt_ctf_clock_class_get_precision(
+ struct bt_ctf_clock_class *clock_class);
+BT_HIDDEN
+int bt_ctf_clock_class_set_precision(
+ struct bt_ctf_clock_class *clock_class, uint64_t precision);
+BT_HIDDEN
+int bt_ctf_clock_class_get_offset_s(
+ struct bt_ctf_clock_class *clock_class, int64_t *seconds);
+BT_HIDDEN
+int bt_ctf_clock_class_set_offset_s(
+ struct bt_ctf_clock_class *clock_class, int64_t seconds);
+BT_HIDDEN
+int bt_ctf_clock_class_get_offset_cycles(
+ struct bt_ctf_clock_class *clock_class, int64_t *cycles);
+BT_HIDDEN
+int bt_ctf_clock_class_set_offset_cycles(
+ struct bt_ctf_clock_class *clock_class, int64_t cycles);
+BT_HIDDEN
+bt_bool bt_ctf_clock_class_is_absolute(
+ struct bt_ctf_clock_class *clock_class);
+BT_HIDDEN
+int bt_ctf_clock_class_set_is_absolute(
+ struct bt_ctf_clock_class *clock_class, bt_bool is_absolute);
+BT_HIDDEN
+const unsigned char *bt_ctf_clock_class_get_uuid(
+ struct bt_ctf_clock_class *clock_class);
+BT_HIDDEN
+int bt_ctf_clock_class_set_uuid(struct bt_ctf_clock_class *clock_class,
+ const unsigned char *uuid);
+
+#endif /* BABELTRACE_CTF_WRITER_CLOCK_CLASS_INTERNAL_H */