Index: src/libcfa/concurrency/kernel
===================================================================
--- src/libcfa/concurrency/kernel	(revision 9c313496292e447189530c6d9e91a7b120e46cc2)
+++ src/libcfa/concurrency/kernel	(revision 23063ea0bdf02c35bfe020a0745a20afd7b21946)
@@ -32,7 +32,7 @@
 
 struct signal_once {
-	volatile bool condition;
+	volatile bool cond;
 	struct spinlock lock;
-	struct simple_thread_list blocked;
+	struct __thread_queue_t blocked;
 };
 
@@ -46,5 +46,5 @@
 // Cluster
 struct cluster {
-	simple_thread_list ready_queue;
+	__thread_queue_t ready_queue;
 	spinlock lock;
 };