RW_NODEBUG
rw->rw_owner = RW_NODEBUG;
RW_ASSERT(rw, (rw->rw_owner & ~RW_NODEBUG) == 0);
LOCKDEBUG_FREE((rw->rw_owner & RW_NODEBUG) == 0, rw);
newown = (uintptr_t)l | (owner & RW_NODEBUG);
newown = owner & RW_NODEBUG;
newown = owner & RW_NODEBUG;
newown = (owner & RW_NODEBUG);
newown = owner & RW_NODEBUG;
newown = owner & RW_NODEBUG;
#define RW_DEBUG_P(rw) (((rw)->rw_owner & RW_NODEBUG) == 0)