Index: uspace/lib/tbarcfg/include/ipc/tbarcfg.h
===================================================================
--- uspace/lib/tbarcfg/include/ipc/tbarcfg.h	(revision 3f81cdcfbfdc8a272c50a8df92c53bd212f39b7e)
+++ uspace/lib/tbarcfg/include/ipc/tbarcfg.h	(revision 3f81cdcfbfdc8a272c50a8df92c53bd212f39b7e)
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2024 Jiri Svoboda
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/** @addtogroup libtbarcfg
+ * @{
+ */
+/** @file
+ */
+
+#ifndef LIBTBARCFG_IPC_TBARCFG_H
+#define LIBTBARCFG_IPC_TBARCFG_H
+
+#include <ipc/common.h>
+
+typedef enum {
+	TBARCFG_NOTIFY_NOTIFY = IPC_FIRST_USER_METHOD
+} tbarcfg_notify_request_t;
+
+#endif
+
+/** @}
+ */
Index: uspace/lib/tbarcfg/include/tbarcfg/tbarcfg.h
===================================================================
--- uspace/lib/tbarcfg/include/tbarcfg/tbarcfg.h	(revision e63e74a596d3dab316c056385061a0ffc336c62b)
+++ uspace/lib/tbarcfg/include/tbarcfg/tbarcfg.h	(revision 3f81cdcfbfdc8a272c50a8df92c53bd212f39b7e)
@@ -42,4 +42,6 @@
 #include <types/tbarcfg/tbarcfg.h>
 
+#define TBARCFG_NOTIFY_DEFAULT "tbarcfg-notif"
+
 extern errno_t tbarcfg_create(const char *, tbarcfg_t **);
 extern errno_t tbarcfg_open(const char *, tbarcfg_t **);
@@ -63,4 +65,8 @@
 extern errno_t smenu_entry_move_up(smenu_entry_t *);
 extern errno_t smenu_entry_move_down(smenu_entry_t *);
+extern errno_t tbarcfg_listener_create(const char *, void (*)(void *),
+    void *, tbarcfg_listener_t **);
+extern void tbarcfg_listener_destroy(tbarcfg_listener_t *);
+extern errno_t tbarcfg_notify(const char *);
 
 #endif
Index: uspace/lib/tbarcfg/include/types/tbarcfg/tbarcfg.h
===================================================================
--- uspace/lib/tbarcfg/include/types/tbarcfg/tbarcfg.h	(revision e63e74a596d3dab316c056385061a0ffc336c62b)
+++ uspace/lib/tbarcfg/include/types/tbarcfg/tbarcfg.h	(revision 3f81cdcfbfdc8a272c50a8df92c53bd212f39b7e)
@@ -1,4 +1,4 @@
 /*
- * Copyright (c) 2023 Jiri Svoboda
+ * Copyright (c) 2024 Jiri Svoboda
  * All rights reserved.
  *
@@ -43,4 +43,7 @@
 typedef struct smenu_entry smenu_entry_t;
 
+struct tbarcfg_listener;
+typedef struct tbarcfg_listener tbarcfg_listener_t;
+
 #endif