Index: libcfa/src/concurrency/io/setup.cfa
===================================================================
--- libcfa/src/concurrency/io/setup.cfa	(revision 059ad166c9e6faec1fbf213925fe3c23cffd787d)
+++ libcfa/src/concurrency/io/setup.cfa	(revision 7ef162b296a22a5053fda4315076997f08c2f5cd)
@@ -220,19 +220,21 @@
 		cq.cqes = (struct io_uring_cqe *)(((intptr_t)cq.ring_ptr) + params.cq_off.cqes);
 
-		// Step 4 : eventfd
-		// io_uring_register is so f*cking slow on some machine that it
-		// will never succeed if preemption isn't hard blocked
-		__cfadbg_print_safe(io_core, "Kernel I/O : registering %d for completion with ring %d\n", procfd, fd);
-
-		__disable_interrupts_hard();
-
-		int ret = syscall( __NR_io_uring_register, fd, IORING_REGISTER_EVENTFD, &procfd, 1);
-		if (ret < 0) {
-			abort("KERNEL ERROR: IO_URING EVENTFD REGISTER - %s\n", strerror(errno));
-		}
-
-		__enable_interrupts_hard();
-
-		__cfadbg_print_safe(io_core, "Kernel I/O : registered %d for completion with ring %d\n", procfd, fd);
+		#if !defined(IO_URING_IDLE)
+			// Step 4 : eventfd
+			// io_uring_register is so f*cking slow on some machine that it
+			// will never succeed if preemption isn't hard blocked
+			__cfadbg_print_safe(io_core, "Kernel I/O : registering %d for completion with ring %d\n", procfd, fd);
+
+			__disable_interrupts_hard();
+
+			int ret = syscall( __NR_io_uring_register, fd, IORING_REGISTER_EVENTFD, &procfd, 1);
+			if (ret < 0) {
+				abort("KERNEL ERROR: IO_URING EVENTFD REGISTER - %s\n", strerror(errno));
+			}
+
+			__enable_interrupts_hard();
+
+			__cfadbg_print_safe(io_core, "Kernel I/O : registered %d for completion with ring %d\n", procfd, fd);
+		#endif
 
 		// some paranoid checks
Index: libcfa/src/concurrency/io/types.hfa
===================================================================
--- libcfa/src/concurrency/io/types.hfa	(revision 059ad166c9e6faec1fbf213925fe3c23cffd787d)
+++ libcfa/src/concurrency/io/types.hfa	(revision 7ef162b296a22a5053fda4315076997f08c2f5cd)
@@ -185,10 +185,6 @@
 
 	// Wait for the future to be fulfilled
-	bool wait( io_future_t & this ) {
-		return wait(this.self);
-	}
-
-	void reset( io_future_t & this ) {
-		return reset(this.self);
-	}
+	bool wait     ( io_future_t & this ) { return wait     (this.self); }
+	void reset    ( io_future_t & this ) { return reset    (this.self); }
+	bool available( io_future_t & this ) { return available(this.self); }
 }