kevent.filter
Name of the kernel filter.
| Constant | Meaning |
|---|---|
KQ_FILTER_READ | Takes a descriptor and returns whenever there is data available to read |
KQ_FILTER_WRITE | Takes a descriptor and returns whenever there is data available to write |
KQ_FILTER_AIO | AIO requests |
KQ_FILTER_VNODE | Returns when one or more of the requested events watched in fflag occurs |
KQ_FILTER_PROC | Watch for events on a process id |
KQ_FILTER_NETDEV | Watch for events on a network device [not available on Mac OS X] |
KQ_FILTER_SIGNAL | Returns whenever the watched signal is delivered to the process |
KQ_FILTER_TIMER | Establishes an arbitrary timer |
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