pthread_spin_unlock
int pthread_spin_unlock(pthread_spinlock_t *);
PROTO_STD_DEPRECATED(pthread_spin_unlock);
CHECKr(pthread_spin_unlock(&l));
CHECKr(pthread_spin_unlock(&l));
#define lock_quick_unlock(lock) LOCKRET(pthread_spin_unlock(lock))
LOCKRET(pthread_spin_unlock(&lock->u.spinlock));
#define lock_quick_unlock(lock) LOCKRET(pthread_spin_unlock(lock))