--- /dev/null
+/*
+ * Copyright (C) 2020 Francis Deslauriers <francis.deslauriers@efficios.com>
+ *
+ * SPDX-License-Identifier: LGPL-2.1-only
+ *
+ */
+
+#ifndef LTTNG_SESSIOND_CONDITION_INTERNAL_H
+#define LTTNG_SESSIOND_CONDITION_INTERNAL_H
+
+#include <lttng/condition/condition.h>
+
+/*
+ * The lttng_condition hashing code is kept in this file (rather than
+ * condition.c) since it makes use of GPLv2 code (hashtable utils), which we
+ * don't want to link in liblttng-ctl.
+ */
+unsigned long lttng_condition_hash(const struct lttng_condition *condition);
+
+#endif /* LTTNG_SESSIOND_CONDITION_INTERNAL_H */