Function io_uring_buf_ring_head

src/register.c:350–364

}

int io_uring_buf_ring_head(struct io_uring *ring, int buf_group, uint16_t *head)
{
	liburing_sanitize_address(head);

	struct io_uring_buf_status buf_status = {
		.buf_group	= buf_group,
	};
	int ret;

	ret = do_register(ring, IORING_REGISTER_PBUF_STATUS, &buf_status, 1);
	if (ret)
		return ret;
	*head = buf_status.head;
	return 0;
}

int io_uring_register_sync_cancel(struct io_uring *ring,
				  struct io_uring_sync_cancel_reg *reg)