39 	ring->oldest_tail = 0;  in lws_ring_create()
56 		while (ring->oldest_tail != ring->head) {  in lws_ring_destroy()
58 					      ring->oldest_tail);  in lws_ring_destroy()
59 			ring->oldest_tail =  in lws_ring_destroy()
60 				(ring->oldest_tail + ring->element_len) %  in lws_ring_destroy()
83 	if (ring->head == ring->oldest_tail)  in lws_ring_get_count_free_elements()
86 		if (ring->head < ring->oldest_tail)  in lws_ring_get_count_free_elements()
87 			f = (int)((ring->oldest_tail - ring->head) -  in lws_ring_get_count_free_elements()
90 			f = (int)((ring->buflen - ring->head) + ring->oldest_tail -  in lws_ring_get_count_free_elements()
104 		tail = &ring->oldest_tail;  in lws_ring_get_count_waiting_elements()
208 		fake_tail = ring->oldest_tail;  in lws_ring_consume()
258 		tail = &ring->oldest_tail;  in lws_ring_get_element()
270 		ring->oldest_tail = tail;  in lws_ring_update_oldest_tail()
274 	while (ring->oldest_tail != tail) {  in lws_ring_update_oldest_tail()
275 		ring->destroy_element((uint8_t *)ring->buf + ring->oldest_tail);  in lws_ring_update_oldest_tail()
276 		ring->oldest_tail = (ring->oldest_tail + ring->element_len) %  in lws_ring_update_oldest_tail()
284 	return ring->oldest_tail;  in lws_ring_get_oldest_tail()
291 		tail = &ring->oldest_tail;  in lws_ring_dump()
295 		    (int)ring->head, (int)ring->oldest_tail,  in lws_ring_dump()