1/*	$NetBSD: filio.h,v 1.11 2018/02/25 18:55:23 chs Exp $	*/
 2
 3/*-
 4 * Copyright (c) 1982, 1986, 1990, 1993, 1994
 5 *	The Regents of the University of California.  All rights reserved.
 6 * (c) UNIX System Laboratories, Inc.
 7 * All or some portions of this file are derived from material licensed
 8 * to the University of California by American Telephone and Telegraph
 9 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
10 * the permission of UNIX System Laboratories, Inc.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 *    notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 *    notice, this list of conditions and the following disclaimer in the
19 *    documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of the University nor the names of its contributors
21 *    may be used to endorse or promote products derived from this software
22 *    without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 *	@(#)filio.h	8.1 (Berkeley) 3/28/94
37 */
38
39#ifndef	_SYS_FILIO_H_
40#define	_SYS_FILIO_H_
41
42#include <sys/ioccom.h>
43
44/* Generic file-descriptor ioctl's. */
45#define	FIOCLEX		 _IO('f', 1)		/* set close on exec on fd */
46#define	FIONCLEX	 _IO('f', 2)		/* remove close on exec */
47/* Handle lseek SEEK_DATA and SEEK_HOLE for holey file knowledge. */
48#define	FIOSEEKDATA	_IOWR('f', 97, off_t)	/* SEEK_DATA */
49#define	FIOSEEKHOLE	_IOWR('f', 98, off_t)	/* SEEK_HOLE */
50#define	FIONREAD	_IOR('f', 127, int)	/* get # bytes to read */
51#define	FIONBIO		_IOW('f', 126, int)	/* set/clear non-blocking i/o */
52#define	FIOASYNC	_IOW('f', 125, int)	/* set/clear async i/o */
53#define	FIOSETOWN	_IOW('f', 124, int)	/* set owner */
54#define	FIOGETOWN	_IOR('f', 123, int)	/* get owner */
55#define	OFIOGETBMAP	_IOWR('f', 122, uint32_t) /* get underlying block no. */
56#define	FIOGETBMAP	_IOWR('f', 122, daddr_t) /* get underlying block no. */
57#define	FIONWRITE	_IOR('f', 121, int)	/* get # bytes outstanding
58						 * in send queue. */
59#define	FIONSPACE	_IOR('f', 120, int)	/* get space in send queue. */
60
61/* Ugly symbol for compatibility with other operating systems */
62#define	FIBMAP		FIOGETBMAP
63
64#endif /* !_SYS_FILIO_H_ */