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Type: Posts; User: Nominal Animal

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    That's absolutely fine even on an embedded...

    That's absolutely fine even on an embedded machine with a slow CPU. If you instrument that with e.g. clock_gettime() (for both CLOCK_REALTIME and CLOCK_THREAD_CPUTIME_ID), you'll see it does not...
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    See Linux kernel sysfs rules...

    See Linux kernel sysfs rules for the /sys/ stability. Linus has a very heavy emphasis, a strict rule, on userspace interfaces being backwards-compatible, unless there is a really compelling reason --...
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    What's so kludgey about that? If you were to...

    What's so kludgey about that?

    If you were to glob() and parse /sys/bus/usb/devices/*/uevent (or /sys/bus/usb/devices/*/{idVendor,idProduct,dev,busnum,devnum} first, and then do an nftw() over /dev...
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