Added kernel event handler stub.

src/libcharon/kernel/kernel_handler.c

@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2010 Tobias Brunner
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * 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.
+ */
+
+#include "kernel_handler.h"
+
+#include <daemon.h>
+
+typedef struct private_kernel_handler_t private_kernel_handler_t;
+
+/**
+ * Private data of a kernel_handler_t object.
+ */
+struct private_kernel_handler_t {
+
+	/**
+	 * Public part of kernel_handler_t object.
+	 */
+	kernel_handler_t public;
+
+};
+
+METHOD(kernel_handler_t, destroy, void,
+	   private_kernel_handler_t *this)
+{
+	charon->kernel_interface->remove_listener(charon->kernel_interface,
+											  &this->public.listener);
+	free(this);
+}
+
+kernel_handler_t *kernel_handler_create()
+{
+	private_kernel_handler_t *this;
+
+	INIT(this,
+		.public = {
+			.listener = {
+				.acquire = NULL,
+			},
+			.destroy = _destroy,
+		},
+	);
+
+	charon->kernel_interface->add_listener(charon->kernel_interface,
+										   &this->public.listener);
+
+	return &this->public;
+}
+