--- /dev/null
+/*
+ * SPDX-License-Identifier: LGPL-2.1-only
+ *
+ * Copyright (C) 2016 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ */
+
+#ifndef _UST_COMMON_CLOCK_H
+#define _UST_COMMON_CLOCK_H
+
+/*
+ * Part of the private ABI between liblttng-ust and liblttng-ust-ctl.
+ */
+void lttng_ust_clock_init(void);
+
+#endif /* _UST_COMMON_CLOCK_H */