Index: uspace/lib/c/include/async.h
===================================================================
--- uspace/lib/c/include/async.h	(revision f570cdfc2c9877b22611b228e97f7e7201d6e74b)
+++ uspace/lib/c/include/async.h	(revision 554e70f2c9c7c45b5c4eada3d2a99c100d3ebb70)
@@ -165,6 +165,4 @@
 extern int async_create_callback_port(async_exch_t *, iface_t, sysarg_t,
     sysarg_t, async_port_handler_t, void *, port_id_t *);
-
-extern void async_set_notification_handler_stack_size(size_t);
 
 extern int async_irq_subscribe(int, int, async_notification_handler_t, void *,
Index: uspace/lib/c/include/fibril.h
===================================================================
--- uspace/lib/c/include/fibril.h	(revision f570cdfc2c9877b22611b228e97f7e7201d6e74b)
+++ uspace/lib/c/include/fibril.h	(revision 554e70f2c9c7c45b5c4eada3d2a99c100d3ebb70)
@@ -78,4 +78,6 @@
 	
 	fibril_owner_info_t *waits_for;
+
+	unsigned switches;
 } fibril_t;