To be sure to get all file descriptors to poll on you should probably use this
sequence of calls:
libusb_init()
libusb_get_pollfds()
libusb_set_pollfd_notifiers()
libusb_get_pollfds() will give you all file descriptors that were created
before you registered your libusb_pollfd_added_cb().
---
Reply to this email directly or view it on GitHub:
https://github.com/libusbx/libusbx/issues/158#issuecomment-28046900
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