-(* rf for RL events, ie islocked returning true, similar to LF above *)
-
-(* islocked returning true inside a critical section
- * must read from the opening lock
- *)
-let rfi-rl = ([LKW] ; po-loc ; [RL]) \ ([LKW] ; po-loc ; [UL] ; po-loc)
-
-(* islocked returning true outside critical sections can match any
- * external lock.
- *)
-let all-possible-rfe-rl =
- let possible-rfe-lf r =
- let pair-to-relation p = p ++ 0
- in map pair-to-relation ((LKW * {r}) & loc & ext)
- in map possible-rfe-lf (RL \ range(rfi-rl))
-
-with rfe-rl from cross(all-possible-rfe-rl)
-let rf-rl = rfe-rl | rfi-rl
-