freebsd-nq/lib/libc/sys/modfind.2
2000-12-29 14:08:20 +00:00

81 lines
2.3 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 September 28, 2000
.Dt MODFIND 2
.Os FreeBSD
.Sh NAME
.Nm modfind
.Nd returns the modid of a kernel module
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.Fd #include <sys/param.h>
.Fd #include <sys/module.h>
.Ft int
.Fn modfind "const char *modname"
.Sh DESCRIPTION
The function
.Fn modfind
returns the modid of the kernel module referenced by
.Fa modname .
.Sh RETURN VALUES
.Fn modfind
returns the modid of the kernel module referenced by
.Fa file .
Upon error,
.Fn modfind
returns -1 and sets
.Va errno
to indicate the error.
.Sh ERRORS
.Va errno
is set to the following if
.Fn modfind
fails:
.Bl -tag -width Er
.It Bq Er EFAULT
The data required for this operation could not be read from the kernel space.
.It Bq Er ENOENT
The file specified is not loaded in the kernel.
.El
.Sh SEE ALSO
.Xr kldfirstmod 2 ,
.Xr kldload 2 ,
.Xr kldnext 2 ,
.Xr kldstat 2 ,
.Xr kldunload 2 ,
.Xr modnext 2 ,
.Xr modfnext 2 ,
.Xr modstat 2 ,
.Xr kld 4
.Sh HISTORY
The
.Nm kld
interface first appeared in
.Fx 3.0 .