The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/sys/filio.h

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    1 /*-
    2  * Copyright (c) 1982, 1986, 1990, 1993, 1994
    3  *      The Regents of the University of California.  All rights reserved.
    4  * (c) UNIX System Laboratories, Inc.
    5  * All or some portions of this file are derived from material licensed
    6  * to the University of California by American Telephone and Telegraph
    7  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
    8  * the permission of UNIX System Laboratories, Inc.
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  * 4. Neither the name of the University nor the names of its contributors
   19  *    may be used to endorse or promote products derived from this software
   20  *    without specific prior written permission.
   21  *
   22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   32  * SUCH DAMAGE.
   33  *
   34  *      @(#)filio.h     8.1 (Berkeley) 3/28/94
   35  * $FreeBSD: releng/6.3/sys/sys/filio.h 173886 2007-11-24 19:45:58Z cvs2svn $
   36  */
   37 
   38 #ifndef _SYS_FILIO_H_
   39 #define _SYS_FILIO_H_
   40 
   41 #include <sys/ioccom.h>
   42 
   43 /* Generic file-descriptor ioctl's. */
   44 #define FIOCLEX          _IO('f', 1)            /* set close on exec on fd */
   45 #define FIONCLEX         _IO('f', 2)            /* remove close on exec */
   46 #define FIONREAD        _IOR('f', 127, int)     /* get # bytes to read */
   47 #define FIONBIO         _IOW('f', 126, int)     /* set/clear non-blocking i/o */
   48 #define FIOASYNC        _IOW('f', 125, int)     /* set/clear async i/o */
   49 #define FIOSETOWN       _IOW('f', 124, int)     /* set owner */
   50 #define FIOGETOWN       _IOR('f', 123, int)     /* get owner */
   51 #define FIODTYPE        _IOR('f', 122, int)     /* get d_flags type part */
   52 #define FIOGETLBA       _IOR('f', 121, int)     /* get start blk # */
   53 struct fiodgname_arg {
   54         int     len;
   55         void    *buf;
   56 };
   57 #define FIODGNAME       _IOW('f', 120, struct fiodgname_arg) /* get dev. name */
   58 
   59 #endif /* !_SYS_FILIO_H_ */

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