.. attribute:: kevent.filter
- Name of the kernel filter
+ Name of the kernel filter.
+---------------------------+---------------------------------------------+
| Constant | Meaning |
| | there is data available to read |
+---------------------------+---------------------------------------------+
| :const:`KQ_FILTER_WRITE` | Takes a descriptor and returns whenever |
- | | there is data available to read |
+ | | there is data available to write |
+---------------------------+---------------------------------------------+
| :const:`KQ_FILTER_AIO` | AIO requests |
+---------------------------+---------------------------------------------+
.. attribute:: kevent.flags
- Filter action
+ Filter action.
+---------------------------+---------------------------------------------+
| Constant | Meaning |
.. attribute:: kevent.fflags
- Filter specific flags
-
+ Filter specific flags.
- :const:`KQ_FILTER_READ` and :const:`KQ_FILTER_WRITE` filter flags
+ :const:`KQ_FILTER_READ` and :const:`KQ_FILTER_WRITE` filter flags:
+----------------------------+--------------------------------------------+
| Constant | Meaning |
| :const:`KQ_NOTE_LOWAT` | low water mark of a socket buffer |
+----------------------------+--------------------------------------------+
-
- :const:`KQ_FILTER_VNODE` filter flags
+ :const:`KQ_FILTER_VNODE` filter flags:
+----------------------------+--------------------------------------------+
| Constant | Meaning |
| :const:`KQ_NOTE_REVOKE` | access to the file was revoked |
+----------------------------+--------------------------------------------+
-
- :const:`KQ_FILTER_PROC` filter flags
+ :const:`KQ_FILTER_PROC` filter flags:
+----------------------------+--------------------------------------------+
| Constant | Meaning |
| :const:`KQ_NOTE_TRACKERR` | unable to attach to a child |
+----------------------------+--------------------------------------------+
- :const:`KQ_FILTER_NETDEV` filter flags [not available on Mac OS X]
+ :const:`KQ_FILTER_NETDEV` filter flags (not available on Mac OS X):
+----------------------------+--------------------------------------------+
| Constant | Meaning |
.. attribute:: kevent.data
- Filter specific data
+ Filter specific data.
.. attribute:: kevent.udata
- User defined value
+ User defined value.