filio.h

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00001 /*-
00002  * Copyright (c) 1982, 1986, 1990, 1993, 1994
00003  *      The Regents of the University of California.  All rights reserved.
00004  * (c) UNIX System Laboratories, Inc.
00005  * All or some portions of this file are derived from material licensed
00006  * to the University of California by American Telephone and Telegraph
00007  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
00008  * the permission of UNIX System Laboratories, Inc.
00009  *
00010  * Redistribution and use in source and binary forms, with or without
00011  * modification, are permitted provided that the following conditions
00012  * are met:
00013  * 1. Redistributions of source code must retain the above copyright
00014  *    notice, this list of conditions and the following disclaimer.
00015  * 2. Redistributions in binary form must reproduce the above copyright
00016  *    notice, this list of conditions and the following disclaimer in the
00017  *    documentation and/or other materials provided with the distribution.
00018  * 4. Neither the name of the University nor the names of its contributors
00019  *    may be used to endorse or promote products derived from this software
00020  *    without specific prior written permission.
00021  *
00022  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
00023  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00024  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00025  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
00026  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00027  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
00028  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00029  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00030  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00031  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00032  * SUCH DAMAGE.
00033  *
00034  *      @(#)filio.h     8.1 (Berkeley) 3/28/94
00035  * $FreeBSD: src/sys/sys/filio.h,v 1.9 2005/03/08 21:32:19 phk Exp $
00036  */
00037 
00038 #ifndef _SYS_FILIO_H_
00039 #define _SYS_FILIO_H_
00040 
00041 #include <sys/ioccom.h>
00042 
00043 /* Generic file-descriptor ioctl's. */
00044 #define FIOCLEX          _IO('f', 1)            /* set close on exec on fd */
00045 #define FIONCLEX         _IO('f', 2)            /* remove close on exec */
00046 #define FIONREAD        _IOR('f', 127, int)     /* get # bytes to read */
00047 #define FIONBIO         _IOW('f', 126, int)     /* set/clear non-blocking i/o */
00048 #define FIOASYNC        _IOW('f', 125, int)     /* set/clear async i/o */
00049 #define FIOSETOWN       _IOW('f', 124, int)     /* set owner */
00050 #define FIOGETOWN       _IOR('f', 123, int)     /* get owner */
00051 #define FIODTYPE        _IOR('f', 122, int)     /* get d_flags type part */
00052 #define FIOGETLBA       _IOR('f', 121, int)     /* get start blk # */
00053 struct fiodgname_arg {
00054         int     len;
00055         void    *buf;
00056 };
00057 #define FIODGNAME       _IOW('f', 120, struct fiodgname_arg) /* get dev. name */
00058 
00059 #endif /* !_SYS_FILIO_H_ */

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