Trying the latest CVS slime on W32 with clisp 2.32, I was getting an error that socket:socket-stream-handle wasn't defined. Seems it's not exported on Windows for some reason. Conditionalizing remove-input-handlers made it work for me....
--- swank-clisp.lisp.~1.18.~ 2004-02-16 15:40:55.000000000 -0600 +++ swank-clisp.lisp 2004-02-16 17:45:43.000000000 -0600 @@ -117,6 +117,7 @@ (push (cons fd fn) *sigio-handlers*))) )
+#-win32 (defimplementation remove-input-handlers (socket) (let ((fd (socket:socket-stream-handle socket))) (remove-sigio-handler fd)