mirror of
https://github.com/freebsd/freebsd-src
synced 2024-07-22 10:48:02 +00:00
121 lines
3.2 KiB
Groff
121 lines
3.2 KiB
Groff
|
.\"
|
||
|
|
.\" Copyright (c) 2017 John Baldwin <jhb@FreeBSD.org>
|
||
|
|
.\"
|
||
|
|
.\" Redistribution and use in source and binary forms, with or without
|
||
|
|
.\" modification, are permitted provided that the following conditions
|
||
|
|
.\" are met:
|
||
|
|
.\" 1. Redistributions of source code must retain the above copyright
|
||
|
|
.\" notice, this list of conditions and the following disclaimer.
|
||
|
|
.\" 2. Redistributions in binary form must reproduce the above copyright
|
||
|
|
.\" notice, this list of conditions and the following disclaimer in the
|
||
|
|
.\" documentation and/or other materials provided with the distribution.
|
||
|
|
.\"
|
||
|
|
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||
|
|
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||
|
|
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||
|
|
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||
|
|
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||
|
|
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||
|
|
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||
|
|
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||
|
|
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||
|
|
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||
|
|
.\" SUCH DAMAGE.
|
||
|
|
.\"
|
||
|
|
.Dd November 24, 2017
|
||
|
|
.Dt sysdecode_kevent 3
|
||
|
|
.Os
|
||
|
|
.Sh NAME
|
||
|
|
.Nm sysdecode_kevent ,
|
||
|
|
.Nm sysdecode_kevent_fflags ,
|
||
|
|
.Nm sysdecode_kevent_filter ,
|
||
|
|
.Nm sysdecode_kevent_flags
|
||
|
|
.Nd output description of kevent structure fields
|
||
|
|
.Sh LIBRARY
|
||
|
|
.Lb libsysdecode
|
||
|
|
.Sh SYNOPSIS
|
||
|
|
.In sysdecode.h
|
||
|
|
.Ft void
|
||
|
|
.Fn sysdecode_kevent_fflags "FILE *fp" "short filter" "int fflags" "int base"
|
||
|
|
.Ft bool
|
||
|
|
.Fn sysdecode_kevent_flags "FILE *fp" "int flags" "int *rem"
|
||
|
|
.Ft const char *
|
||
|
|
.Fn sysdecode_kevent_filter "int filter"
|
||
|
|
.Sh DESCRIPTION
|
||
|
|
These functions provide text descriptions of
|
||
|
|
.Vt struct kevent
|
||
|
|
fields.
|
||
|
|
.Pp
|
||
|
|
The
|
||
|
|
.Fn sysdecode_kevent_fflags
|
||
|
|
function outputs a text description of the
|
||
|
|
.Fa fflags
|
||
|
|
member of a
|
||
|
|
.Vt struct kevent
|
||
|
|
to the stream
|
||
|
|
.Fa fp .
|
||
|
|
For the
|
||
|
|
.Dv EVFILT_READ ,
|
||
|
|
.Dv EVFILT_WRITE ,
|
||
|
|
.Dv EVFILT_VNODE ,
|
||
|
|
.Dv EVFILT_PROC ,
|
||
|
|
.Dv EVFILT_PROCDESC ,
|
||
|
|
.Dv EVFILT_TIMER ,
|
||
|
|
and
|
||
|
|
.Dv EVFILT_USER
|
||
|
|
filters,
|
||
|
|
.Fn sysdecode_kevent_fflags
|
||
|
|
outputs a bitmask of filter-specific
|
||
|
|
.Dv NOTE_*
|
||
|
|
flags as documented in
|
||
|
|
.Xr kevent 2 .
|
||
|
|
For other values of
|
||
|
|
.Fa filter ,
|
||
|
|
the value of
|
||
|
|
.Fa fflags
|
||
|
|
is output in the indicated
|
||
|
|
.Fa base
|
||
|
|
.Pq one of 8, 10, or 16 .
|
||
|
|
.Pp
|
||
|
|
The
|
||
|
|
.Fn sysdecode_kevent_filter
|
||
|
|
function returns a text description of the
|
||
|
|
.Fa filter
|
||
|
|
member of a
|
||
|
|
.Vt struct kevent .
|
||
|
|
.Dv NULL
|
||
|
|
is returned if the
|
||
|
|
.Fa filter
|
||
|
|
value is unknown.
|
||
|
|
.Pp
|
||
|
|
The
|
||
|
|
.Fn sysdecode_kevent_flags
|
||
|
|
function outputs a text description of the
|
||
|
|
.Fa flags
|
||
|
|
member of a
|
||
|
|
.Vt struct kevent
|
||
|
|
to the stream
|
||
|
|
.Fa fp .
|
||
|
|
This function uses the same calling convention and formatting as the other
|
||
|
|
functions described in
|
||
|
|
.Xr sysdecode_mask 3 .
|
||
|
|
.Sh RETURN VALUES
|
||
|
|
The
|
||
|
|
.Nm sysdecode_kevent_filter
|
||
|
|
function returns the name of a filter or
|
||
|
|
.Dv NULL if the filter value is unknown.
|
||
|
|
.Pp
|
||
|
|
The
|
||
|
|
.Nm sysdecode_kevent_flags
|
||
|
|
function returns
|
||
|
|
.Dv true
|
||
|
|
if any flags in the
|
||
|
|
.Fa flags
|
||
|
|
field were decoded and
|
||
|
|
.Dv false
|
||
|
|
if no flags were decoded.
|
||
|
|
.Sh SEE ALSO
|
||
|
|
.Xr sysdecode 3 ,
|
||
|
|
.Xr sysdecode_enum 3 ,
|
||
|
|
.Xr sysdecode_mask 3
|