Guy Harris wrote:
"Not work" as in "if you select on a BPF device and nothing else, you will only wake up when the select timeout expires; the store buffer getting transferred to the hold buffer won't trigger a wakeup".
Actually, it might work for select(), although not for poll() - the select() code goes through the old select() mechanism, which it appears might still work on character special files, but poll() uses the kqueue mechanism, which doesn't work on character special files.
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