/
file2.h
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file2.h
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/*
* Copyright (c) 1982, 1986, 1989, 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.
*
* @(#)file.h 8.3 (Berkeley) 1/9/95
* $FreeBSD: src/sys/sys/file.h,v 1.22.2.7 2002/11/21 23:39:24 sam Exp $
* $DragonFly: src/sys/sys/file2.h,v 1.8 2006/08/02 01:25:28 dillon Exp $
*/
#ifndef _SYS_FILE2_H_
#define _SYS_FILE2_H_
#ifdef _KERNEL
#ifndef _SYS_TYPES_H_
#include <sys/file.h>
#endif
static __inline int
fo_read(
struct file *fp,
struct uio *uio,
struct ucred *cred,
int flags
) {
int error;
fhold(fp);
error = (*fp->f_ops->fo_read)(fp, uio, cred, flags);
fdrop(fp);
return (error);
}
static __inline int
fo_write(
struct file *fp,
struct uio *uio,
struct ucred *cred,
int flags
) {
int error;
fhold(fp);
error = (*fp->f_ops->fo_write)(fp, uio, cred, flags);
fdrop(fp);
return (error);
}
static __inline int
fo_ioctl(
struct file *fp,
u_long com,
caddr_t data,
struct ucred *cred,
struct sysmsg *msg
) {
int error;
fhold(fp);
error = (*fp->f_ops->fo_ioctl)(fp, com, data, cred, msg);
fdrop(fp);
return (error);
}
static __inline int
fo_stat(struct file *fp, struct stat *sb, struct ucred *cred)
{
int error;
fhold(fp);
error = (*fp->f_ops->fo_stat)(fp, sb, cred);
fdrop(fp);
return (error);
}
static __inline int
fo_close(struct file *fp)
{
return ((*fp->f_ops->fo_close)(fp));
}
static __inline int
fo_shutdown(struct file *fp, int how)
{
return ((*fp->f_ops->fo_shutdown)(fp, how));
}
static __inline int
fo_kqfilter(struct file *fp, struct knote *kn)
{
return ((*fp->f_ops->fo_kqfilter)(fp, kn));
}
#endif /* _KERNEL */
#endif /* !SYS_FILE2_H */