Index: libcfa/src/concurrency/io/types.hfa
===================================================================
--- libcfa/src/concurrency/io/types.hfa	(revision 1756e08b017e5c08cc38d573907cf8224d4c9332)
+++ libcfa/src/concurrency/io/types.hfa	(revision 4f102fa751f8351d031297e435f5ed8b75e3e042)
@@ -107,5 +107,5 @@
 	struct __outstanding_io {
 		inline Colable;
-		single_sem sem;
+		oneshot waitctx;
 	};
 	static inline __outstanding_io *& Next( __outstanding_io * n ) { return (__outstanding_io *)Next( (Colable *)n ); }