84 lines
2.4 KiB
Groff
84 lines
2.4 KiB
Groff
.\"
|
|
.\" Copyright (c) 1999 Chris Costello
|
|
.\" All rights reserved.
|
|
.\"
|
|
.\" 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.
|
|
.\"
|
|
.\" $FreeBSD$
|
|
.\"
|
|
.Dd March 3, 1999
|
|
.Dt KLDUNLOAD 2
|
|
.Os
|
|
.Sh NAME
|
|
.Nm kldunload
|
|
.Nd unload kld files
|
|
.Sh LIBRARY
|
|
.Lb libc
|
|
.Sh SYNOPSIS
|
|
.Fd #include <sys/param.h>
|
|
.Fd #include <sys/linker.h>
|
|
.Ft int
|
|
.Fn kldunload "int fileid"
|
|
.Sh DESCRIPTION
|
|
The function
|
|
.Fn kldunload
|
|
unloads a kld file from the kernel that was previously linked via
|
|
.Xr kldload 2 .
|
|
.Sh RETURN VALUES
|
|
The function
|
|
.Fn kldunload
|
|
returns the fileid of the kld file which was previously loaded into memory via
|
|
.Fn kldload .
|
|
If an error occurs,
|
|
.Fn kldunload
|
|
will return -1 and set
|
|
.Va errno
|
|
to indicate the error.
|
|
.Sh ERRORS
|
|
The file referred to by
|
|
.Fa fileid
|
|
is unloaded unless:
|
|
.Bl -tag -width Er
|
|
.It Bq Er EPERM
|
|
You don't have access to unlink the file from the kernel.
|
|
.It Bq Er ENOENT
|
|
The file was not found.
|
|
.It Bq Er EBUSY
|
|
You attempted to unload a file linked by the kernel.
|
|
.El
|
|
.Sh SEE ALSO
|
|
.Xr kldfind 2 ,
|
|
.Xr kldfirstmod 2 ,
|
|
.Xr kldload 2 ,
|
|
.Xr kldnext 2 ,
|
|
.Xr kldstat 2 ,
|
|
.Xr modfind 2 ,
|
|
.Xr modnext 2 ,
|
|
.Xr modstat 2 ,
|
|
.Xr kld 4 ,
|
|
.Xr kldunload 8
|
|
.Sh HISTORY
|
|
The
|
|
.Nm kld
|
|
interface first appeared in
|
|
.Fx 3.0 .
|