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/*-
* Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
* 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 AUTHORS 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 AUTHORS 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: release/9.1.0/sys/cddl/compat/opensolaris/sys/file.h 224778 2011-08-11 12:30:23Z rwatson $
*/
#ifndef _OPENSOLARIS_SYS_FILE_H_
#define _OPENSOLARIS_SYS_FILE_H_
#include_next <sys/file.h>
#define FKIOCTL 0x80000000 /* ioctl addresses are from kernel */
#ifdef _KERNEL
typedef struct file file_t;
#include <sys/capability.h>
static __inline file_t *
getf(int fd)
{
struct file *fp;
/*
* We wouldn't need all of these rights on every invocation
* if we had more information about intent.
*/
if (fget(curthread, fd, CAP_READ | CAP_WRITE | CAP_SEEK, &fp) == 0)
return (fp);
return (NULL);
}
static __inline void
releasef(int fd)
{
struct file *fp;
/* No CAP_ rights required, as we're only releasing. */
if (fget(curthread, fd, 0, &fp) == 0) {
fdrop(fp, curthread);
fdrop(fp, curthread);
}
}
#endif /* _KERNEL */
#endif /* !_OPENSOLARIS_SYS_FILE_H_ */