Comment 3 for bug 2018504

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James Henstridge (jamesh) wrote :

Running strace on the running cups-browsed shows it repeatedly calling poll() with a zero timeout:

    poll([{fd=5, events=POLLIN}, {fd=6, events=POLLIN}], 2, 0) = 0 (Timeout)
    poll([{fd=5, events=POLLIN}, {fd=6, events=POLLIN}], 2, 0) = 0 (Timeout)
    poll([{fd=5, events=POLLIN}, {fd=6, events=POLLIN}], 2, 0) = 0 (Timeout)
    poll([{fd=5, events=POLLIN}, {fd=6, events=POLLIN}], 2, 0) = 0 (Timeout)
    ...

Here, fd 5 is an eventfd and fd 6 is a connection to the D-Bus system bus.