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| 1 | 13 | up20180614 | /* $NetBSD: filio.h,v 1.10 2005/12/11 12:25:20 christos Exp $ */
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| 2 | |||
| 3 | /*-
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| 4 | * Copyright (c) 1982, 1986, 1990, 1993, 1994
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| 5 | * The Regents of the University of California. All rights reserved.
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| 6 | * (c) UNIX System Laboratories, Inc.
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| 7 | * All or some portions of this file are derived from material licensed
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| 8 | * to the University of California by American Telephone and Telegraph
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| 9 | * Co. or Unix System Laboratories, Inc. and are reproduced herein with
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| 10 | * the permission of UNIX System Laboratories, Inc.
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| 11 | *
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| 12 | * Redistribution and use in source and binary forms, with or without
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| 13 | * modification, are permitted provided that the following conditions
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| 14 | * are met:
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| 15 | * 1. Redistributions of source code must retain the above copyright
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| 16 | * notice, this list of conditions and the following disclaimer.
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| 17 | * 2. Redistributions in binary form must reproduce the above copyright
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| 18 | * notice, this list of conditions and the following disclaimer in the
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| 19 | * documentation and/or other materials provided with the distribution.
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| 20 | * 3. Neither the name of the University nor the names of its contributors
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| 21 | * may be used to endorse or promote products derived from this software
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| 22 | * without specific prior written permission.
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| 23 | *
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| 24 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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| 25 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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| 28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 30 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 31 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 32 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 33 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 34 | * SUCH DAMAGE.
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| 35 | *
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| 36 | * @(#)filio.h 8.1 (Berkeley) 3/28/94
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| 37 | */
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| 38 | |||
| 39 | #ifndef _SYS_FILIO_H_
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| 40 | #define _SYS_FILIO_H_
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| 41 | |||
| 42 | #include <sys/ioccom.h> |
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| 43 | |||
| 44 | /* Generic file-descriptor ioctl's. */
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| 45 | #define FIOCLEX _IO('f', 1) /* set close on exec on fd */ |
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| 46 | #define FIONCLEX _IO('f', 2) /* remove close on exec */ |
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| 47 | #define FIONREAD _IOR('f', 127, int) /* get # bytes to read */ |
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| 48 | #define FIONBIO _IOW('f', 126, int) /* set/clear non-blocking i/o */ |
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| 49 | #define FIOASYNC _IOW('f', 125, int) /* set/clear async i/o */ |
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| 50 | #define FIOSETOWN _IOW('f', 124, int) /* set owner */ |
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| 51 | #define FIOGETOWN _IOR('f', 123, int) /* get owner */ |
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| 52 | #define OFIOGETBMAP _IOWR('f', 122, uint32_t) /* get underlying block no. */ |
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| 53 | #define FIOGETBMAP _IOWR('f', 122, daddr_t) /* get underlying block no. */ |
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| 54 | #define FIONWRITE _IOR('f', 121, int) /* get # bytes outstanding |
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| 55 | * in send queue. */
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| 56 | #define FIONSPACE _IOR('f', 120, int) /* get space in send queue. */ |
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| 57 | |||
| 58 | |||
| 59 | /* Ugly symbol for compatibility with other operating systems */
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| 60 | #define FIBMAP FIOGETBMAP
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| 61 | |||
| 62 | #endif /* !_SYS_FILIO_H_ */ |