108 lines
2.7 KiB
C
108 lines
2.7 KiB
C
/*
|
|
* Copyright (c) 1982, 1986, 1991, 1993
|
|
* The Regents of the University of California. 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.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
|
|
*
|
|
* @(#)subr_xxx.c 8.1 (Berkeley) 6/10/93
|
|
* $Id$
|
|
*/
|
|
|
|
/*
|
|
* Miscellaneous trivial functions, including many
|
|
* that are often inline-expanded or done in assembler.
|
|
*/
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
|
|
#include <machine/cpu.h>
|
|
|
|
/*
|
|
* Unsupported device function (e.g. writing to read-only device).
|
|
*/
|
|
int
|
|
enodev()
|
|
{
|
|
|
|
return (ENODEV);
|
|
}
|
|
|
|
/*
|
|
* Unconfigured device function; driver not configured.
|
|
*/
|
|
int
|
|
enxio()
|
|
{
|
|
|
|
return (ENXIO);
|
|
}
|
|
|
|
/*
|
|
* Unsupported ioctl function.
|
|
*/
|
|
int
|
|
enoioctl()
|
|
{
|
|
|
|
return (ENOTTY);
|
|
}
|
|
|
|
/*
|
|
* Unsupported system function.
|
|
* This is used for an otherwise-reasonable operation
|
|
* that is not supported by the current system binary.
|
|
*/
|
|
int
|
|
enosys()
|
|
{
|
|
|
|
return (ENOSYS);
|
|
}
|
|
|
|
/*
|
|
* Return error for operation not supported
|
|
* on a specific object or file type.
|
|
*/
|
|
int
|
|
eopnotsupp()
|
|
{
|
|
|
|
return (EOPNOTSUPP);
|
|
}
|
|
|
|
/*
|
|
* Generic null operation, always returns success.
|
|
*/
|
|
int
|
|
nullop()
|
|
{
|
|
|
|
return (0);
|
|
}
|