| 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_ */ |