LOCK_CLASS
enroll(lock->lo_type, lock->lo_name, LOCK_CLASS(lock));
if (LOCK_CLASS(lock)->lc_flags & LC_SLEEPLOCK) {
class = LOCK_CLASS(lock);
class = LOCK_CLASS(lock);
class = LOCK_CLASS(lock);
"exclusive" : "shared", LOCK_CLASS(lock)->lc_name, lock->lo_name);
class = LOCK_CLASS(lock);
class = LOCK_CLASS(lock);
lock->lo_name, LOCK_CLASS(lock));
class = LOCK_CLASS(lock);
class = LOCK_CLASS(lock);
iclass = LOCK_CLASS(interlock);