Project

General

Profile

Statistics
| Revision:

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_ */