Treat poll hangups as input errors#89
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JeffreyBenjaminBrown wants to merge 1 commit into
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Hi Jeff, thanks for investigating this! |
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Treat POLLHUP and POLLNVAL like POLLERR in the Linux poll helper so callers can tear down disconnected devices instead of continuing the event loop. (Together with a parallel PR I am submitting now to serialosc, it reduced CPU usage from around 45% to negligible on my system, which can be inspected here: https://github.com/JeffreyBenjaminBrown/nixos-experiments/tree/xfce/config.)