kevent.fflags
Filter specific flags.
KQ_FILTER_READ and KQ_FILTER_WRITE filter flags:
| Constant | Meaning |
|---|---|
KQ_NOTE_LOWAT | low water mark of a socket buffer |
KQ_FILTER_VNODE filter flags:
| Constant | Meaning |
|---|---|
KQ_NOTE_DELETE | unlink() was called |
KQ_NOTE_WRITE | a write occurred |
KQ_NOTE_EXTEND | the file was extended |
KQ_NOTE_ATTRIB | an attribute was changed |
KQ_NOTE_LINK | the link count has changed |
KQ_NOTE_RENAME | the file was renamed |
KQ_NOTE_REVOKE | access to the file was revoked |
KQ_FILTER_PROC filter flags:
| Constant | Meaning |
|---|---|
KQ_NOTE_EXIT | the process has exited |
KQ_NOTE_FORK | the process has called fork() |
KQ_NOTE_EXEC | the process has executed a new process |
KQ_NOTE_PCTRLMASK | internal filter flag |
KQ_NOTE_PDATAMASK | internal filter flag |
KQ_NOTE_TRACK | follow a process across fork() |
KQ_NOTE_CHILD | returned on the child process for NOTE_TRACK |
KQ_NOTE_TRACKERR | unable to attach to a child |
KQ_FILTER_NETDEV filter flags (not available on Mac OS X):
| Constant | Meaning |
|---|---|
KQ_NOTE_LINKUP | link is up |
KQ_NOTE_LINKDOWN | link is down |
KQ_NOTE_LINKINV | link state is invalid |
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