Index: uspace/lib/c/include/async.h
===================================================================
--- uspace/lib/c/include/async.h	(revision 3e6a98c595287c43d200d28d97f57755342be117)
+++ uspace/lib/c/include/async.h	(revision db3cef9f41ba1a15a45ea39c9e55155cf37ed463)
@@ -156,4 +156,5 @@
 extern void async_set_client_connection(async_client_conn_t);
 extern void async_set_interrupt_received(async_interrupt_handler_t);
+extern void async_set_interrupt_handler_stack_size(size_t);
 
 /*