-(defun get-internal-real-time ()
- #!+sb-doc
- "Return the real time (\"wallclock time\") since startup in the internal
-time format. (See INTERNAL-TIME-UNITS-PER-SECOND.)"
- (- (system-internal-real-time) *internal-epoch*))
+;;; Implemented in unix.lisp and win32.lisp.
+#!+sb-doc
+(setf (fdocumentation 'get-internal-real-time 'function)
+ "Return the real time (\"wallclock time\") since startup in the internal
+time format. (See INTERNAL-TIME-UNITS-PER-SECOND.)")