ulwp_mutex
#define ulwp_lock(ulwp, udp) lmutex_lock(ulwp_mutex(ulwp, udp))
#define ulwp_unlock(ulwp, udp) lmutex_unlock(ulwp_mutex(ulwp, udp))
mp = ulwp_mutex(ulwp, udp);
ASSERT(MUTEX_OWNED(ulwp_mutex(ulwp, udp), self));
mutex_t *mp = ulwp_mutex(ulwp, udp);
mutex_t *mp = ulwp_mutex(ulwp, udp);
mp = ulwp_mutex(ulwp, udp);
mutex_t *mp = ulwp_mutex(ulwp, udp);
mutex_t *mp = ulwp_mutex(ulwp, udp);
ASSERT(MUTEX_OWNED(ulwp_mutex(ulwp, udp), self));
ulwp_mutex(self, udp)->mutex_owner = (uintptr_t)self;