diff options
Diffstat (limited to 'lib/libc/sys/kqueue.2')
| -rw-r--r-- | lib/libc/sys/kqueue.2 | 40 |
1 files changed, 39 insertions, 1 deletions
diff --git a/lib/libc/sys/kqueue.2 b/lib/libc/sys/kqueue.2 index 119ff79..1e5e2b5 100644 --- a/lib/libc/sys/kqueue.2 +++ b/lib/libc/sys/kqueue.2 @@ -24,7 +24,7 @@ .\" .\" $FreeBSD$ .\" -.Dd September 6, 2007 +.Dd September 15, 2009 .Dt KQUEUE 2 .Os .Sh NAME @@ -441,6 +441,44 @@ The link state is invalid. On return, .Va fflags contains the events which triggered the filter. +.It Dv EVFILT_USER +Establishes a user event identified by +.Va ident +which is not assosicated with any kernel mechanism but is triggered by +user level code. +The lower 24 bits of the +.Va fflags +may be used for user defined flags and manipulated using the following: +.Bl -tag -width XXNOTE_FFLAGSMASK +.It Dv NOTE_FFNOP +Ignore the input +.Va fflags . +.It Dv NOTE_FFAND +Bitwise AND +.Va fflags . +.It Dv NOTE_FFOR +Bitwise OR +.Va fflags . +.It Dv NOTE_COPY +Copy +.Va fflags . +.It Dv NOTE_FFCTRLMASK +Control mask for +.Va fflags . +.It Dv NOTE_FFLAGSMASK +User defined flag mask for +.Va fflags . +.El +.Pp +A user event is triggered for output with the following: +.Bl -tag -width XXNOTE_FFLAGSMASK +.It Dv NOTE_TRIGGER +Cause the event to be triggered. +.El +.Pp +On return, +.Va fflags +contains the users defined flags in the lower 24 bits. .El .Sh RETURN VALUES The |
