diff options
Diffstat (limited to 'libusb/io.c')
| -rw-r--r-- | libusb/io.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libusb/io.c b/libusb/io.c index 3ddd947..febe121 100644 --- a/libusb/io.c +++ b/libusb/io.c @@ -598,6 +598,13 @@ while (user_has_not_requested_exit) * these moments occur. This means that you need to adjust your * poll()/select() timeout accordingly. * + * libusb provides you with a set of file descriptors to poll and expects you + * to poll all of them, treating them as a single entity. The meaning of each + * file descriptor in the set is an internal implementation detail, + * platform-dependent and may vary from release to release. Don't try and + * interpret the meaning of the file descriptors, just do as libusb indicates, + * polling all of them at once. + * * In pseudo-code, you want something that looks like: \code // initialise libusb |