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_ */ 65