3 cancellation race concerns - better tracking of kernel feedback?
4 isochronous endpoint I/O
8 review functionality missing over 0.1
9 endianness of control setup, issues when resubmitting transfers
10 interpreting transfer flags after callback returns is not safe
11 rename poll to handle_events
12 make libusb_get_pollfds return const?
15 make descriptor things const?
17 1.0 API style/naming points to reconsider
18 =========================================
19 typedef _cb or _cb_fn or _cb_t?
20 typedef as-is or pointers? libusb_dev_t rather than libusb_dev *?
24 optional timerfd support (runtime detection)
25 notifications of hotplugged/unplugged devices
26 use poll() rather than select()?
27 offer API to create/destroy handle_events thread