1 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  * 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: src/sys/sys/filio.h,v 1.9 2005/03/08 21:32:19 phk Exp $

    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_ */