330 	ull->ull_owner = THREAD_NULL;  in ull_alloc()
342 	assert(ull->ull_owner == THREAD_NULL);  in ull_free()
484 	if (*owner == THREAD_NULL) {  in ulock_resolve_owner()
523 	thread_t owner_thread   = THREAD_NULL;  in sys_ulock_wait2()
524 	thread_t old_owner      = THREAD_NULL;  in sys_ulock_wait2()
682 		if (owner_thread == THREAD_NULL) {  in sys_ulock_wait2()
711 		ull->ull_owner = THREAD_NULL;  in sys_ulock_wait2()
713 		if (owner_thread != THREAD_NULL) {  in sys_ulock_wait2()
767 		if (set_owner && owner_thread != THREAD_NULL) {  in sys_ulock_wait2()
770 			assert(owner_thread == THREAD_NULL);  in sys_ulock_wait2()
814 	thread_t old_lingering_owner = THREAD_NULL;  in ulock_wait_cleanup()
824 		ull->ull_owner = THREAD_NULL;  in ulock_wait_cleanup()
835 	if (owner_thread != THREAD_NULL) {  in ulock_wait_cleanup()
839 	if (old_owner != THREAD_NULL) {  in ulock_wait_cleanup()
843 	if (old_lingering_owner != THREAD_NULL) {  in ulock_wait_cleanup()
915 	thread_t wake_thread    = THREAD_NULL;  in ulock_wake()
984 		if (wake_thread == THREAD_NULL) {  in ulock_wake()
991 	thread_t new_owner = THREAD_NULL;  in ulock_wake()
993 	thread_t cleanup_thread = THREAD_NULL;  in ulock_wake()
1019 		assert(ull->ull_owner == THREAD_NULL);  in ulock_wake()
1068 	if (cleanup_thread != THREAD_NULL) {  in ulock_wake()
1073 	if (wake_thread != THREAD_NULL) {  in ulock_wake()