sys/sys/filio.h

   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. 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: src/sys/sys/filio.h,v 1.7 1999/12/07 22:25:28 sos Exp $
  36  * $DragonFly: src/sys/sys/filio.h,v 1.2 2003/06/17 04:28:58 dillon Exp $
  37  */
  38
  39 #ifndef _SYS_FILIO_H_
  40 #define _SYS_FILIO_H_
  41
  42 #include <sys/ioccom.h>
  43
  44 struct fiodname_args {
  45         void    *name;
  46         unsigned int len;
  47 };
  48
  49 /* Generic file-descriptor ioctl's. */
  50 #define FIOCLEX          _IO('f', 1)            /* set close on exec on fd */
  51 #define FIONCLEX         _IO('f', 2)            /* remove close on exec */
  52 #define FIONREAD        _IOR('f', 127, int)     /* get # bytes to read */
  53 #define FIONBIO         _IOW('f', 126, int)     /* set/clear non-blocking i/o */
  54 #define FIOASYNC        _IOW('f', 125, int)     /* set/clear async i/o */
  55 #define FIOSETOWN       _IOW('f', 124, int)     /* set owner */
  56 #define FIOGETOWN       _IOR('f', 123, int)     /* get owner */
  57 #define FIODTYPE        _IOR('f', 122, int)     /* get d_flags type part */
  58 #define FIOGETLBA       _IOR('f', 121, int)     /* get start blk # */
  59 #define FIODNAME        _IOW('f', 120, struct fiodname_args) /* get name of device on that fildesc */
  60 #endif /* !_SYS_FILIO_H_ */