--- /dev/null
+#ifndef RELAYD_TCP_KEEP_ALIVE_H
+#define RELAYD_TCP_KEEP_ALIVE_H
+
+/*
+ * Copyright (C) 2017 - Jonathan Rajotte <jonathan.rajotte-julien@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.
+ */
+
+#include <common/macros.h>
+
+LTTNG_HIDDEN
+int socket_apply_keep_alive_config(int socket_fd);
+
+#endif /* RELAYD_TCP_KEEP_ALIVE_H */