fixed a number of bugs related to stack frame interpretation

src/async_example/Jokio.java

@@ -38,6 +38,10 @@ public class Jokio implements Runnable{
         };
     }
 
+    public static Jokio runtime(Waker waker){
+        return ((Task<?>)waker).runtime();
+    }
+
     private final HashSet<Task<?>> current = new HashSet<>();
     private final Queue<Task<?>> woke = new ArrayDeque<>();
 

src/async_example/Socket.java

@@ -42,7 +42,6 @@ public class Socket implements AutoCloseable{
                         var c = (SocketChannel)key.channel();
                         var w = (Waker)key.attachment();
 
-                        System.out.println(key);
                         if (!key.isValid()) {
                         }
                         if(key.isAcceptable()){