RL_LOCK_READ
case RL_LOCK_READ:
return ((e->rl_q_flags & RL_LOCK_TYPE_MASK) == RL_LOCK_READ);
return (rangelock_lock_int(lock, false, start, end, RL_LOCK_READ));
return (rangelock_lock_int(lock, true, start, end, RL_LOCK_READ));