root / lab4 / .minix-src / include / sys / filio.h @ 14
History | View | Annotate | Download (2.92 KB)
1 |
/* $NetBSD: filio.h,v 1.10 2005/12/11 12:25:20 christos 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 |
#define FIONREAD _IOR('f', 127, int) /* get # bytes to read */ |
48 |
#define FIONBIO _IOW('f', 126, int) /* set/clear non-blocking i/o */ |
49 |
#define FIOASYNC _IOW('f', 125, int) /* set/clear async i/o */ |
50 |
#define FIOSETOWN _IOW('f', 124, int) /* set owner */ |
51 |
#define FIOGETOWN _IOR('f', 123, int) /* get owner */ |
52 |
#define OFIOGETBMAP _IOWR('f', 122, uint32_t) /* get underlying block no. */ |
53 |
#define FIOGETBMAP _IOWR('f', 122, daddr_t) /* get underlying block no. */ |
54 |
#define FIONWRITE _IOR('f', 121, int) /* get # bytes outstanding |
55 |
* in send queue. */
|
56 |
#define FIONSPACE _IOR('f', 120, int) /* get space in send queue. */ |
57 |
|
58 |
|
59 |
/* Ugly symbol for compatibility with other operating systems */
|
60 |
#define FIBMAP FIOGETBMAP
|
61 |
|
62 |
#endif /* !_SYS_FILIO_H_ */ |