55 static void	init_spinlock(spinlock_t *lck);
63 __thr_spinunlock(spinlock_t *lck)  in __thr_spinunlock()  argument
67 	_extra = lck->thr_extra;  in __thr_spinunlock()
72 __thr_spinlock(spinlock_t *lck)  in __thr_spinlock()  argument
80 	if (lck->thr_extra == NULL)  in __thr_spinlock()
81 		init_spinlock(lck);  in __thr_spinlock()
82 	_extra = lck->thr_extra;  in __thr_spinlock()
87 init_spinlock(spinlock_t *lck)  in init_spinlock()  argument
92 	if ((lck->thr_extra == NULL) && (spinlock_count < MAX_SPINLOCKS)) {  in init_spinlock()
93 		lck->thr_extra = &extra[spinlock_count];  in init_spinlock()
95 		extra[spinlock_count].owner = lck;  in init_spinlock()
99 	if (lck->thr_extra == NULL)  in init_spinlock()