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  * 3. All advertising materials mentioning features or use of this software
   19  *    must display the following acknowledgement:
   20  *      This product includes software developed by the University of
   21  *      California, Berkeley and its contributors.
   22  * 4. Neither the name of the University nor the names of its contributors
   23  *    may be used to endorse or promote products derived from this software
   24  *    without specific prior written permission.
   25  *
   26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   36  * SUCH DAMAGE.
   37  *
   38  *      @(#)filio.h     8.1 (Berkeley) 3/28/94
   39  * $FreeBSD: src/sys/sys/filio.h,v 1.7 1999/12/07 22:25:28 sos Exp $
   40  * $DragonFly: src/sys/sys/filio.h,v 1.2 2003/06/17 04:28:58 dillon Exp $
   41  */
   42 
   43 #ifndef _SYS_FILIO_H_
   44 #define _SYS_FILIO_H_
   45 
   46 #include <sys/ioccom.h>
   47 
   48 struct fiodname_args {
   49         void    *name;
   50         unsigned int len;
   51 };
   52 
   53 /* Generic file-descriptor ioctl's. */
   54 #define FIOCLEX          _IO('f', 1)            /* set close on exec on fd */
   55 #define FIONCLEX         _IO('f', 2)            /* remove close on exec */
   56 #define FIONREAD        _IOR('f', 127, int)     /* get # bytes to read */
   57 #define FIONBIO         _IOW('f', 126, int)     /* set/clear non-blocking i/o */
   58 #define FIOASYNC        _IOW('f', 125, int)     /* set/clear async i/o */
   59 #define FIOSETOWN       _IOW('f', 124, int)     /* set owner */
   60 #define FIOGETOWN       _IOR('f', 123, int)     /* get owner */
   61 #define FIODTYPE        _IOR('f', 122, int)     /* get d_flags type part */
   62 #define FIOGETLBA       _IOR('f', 121, int)     /* get start blk # */
   63 #define FIODNAME        _IOW('f', 120, struct fiodname_args) /* get name of device on that fildesc */
   64 #endif /* !_SYS_FILIO_H_ */

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