Lines Matching refs:head
425 const uint64_t prev_end_ts = rb->results[rb->head].end_ts;
428 if (++rb->head == config.buffer_size)
429 rb->head = 0;
430 if (rb->head == rb->tail) {
444 &rb->results[rb->head];
463 unsigned head = rb->head;
464 if (head < rb->tail)
465 head += config.buffer_size;
466 return head - rb->tail;
472 if (rb->tail == rb->head) {