(:import-from #+cmu"PCL" #+sbcl"SB-PCL"
"ADD-READER-METHOD" "ADD-WRITER-METHOD")
#+(or cmu sbcl)
- (:import-from #+cmu"SYSTEM" #+sbcl"SB-SYS" "SAP-INT" "ADD-FD-HANDLER")
+ (:import-from #+cmu"SYSTEM" #+sbcl"SB-SYS" "SAP-INT" "ADD-FD-HANDLER" "REMOVE-FD-HANDLER")
#+(or cmu sbcl)
(:import-from #+cmu"LISP" #+sbcl"SB-IMPL"
"*PERIODIC-POLLING-FUNCTION*" "*MAX-EVENT-TO-SEC*"