xref: /netbsd/sys/sys/filio.h (revision bf9ec67e)
1 /*	$NetBSD: filio.h,v 1.5 1994/06/29 06:44:14 cgd Exp $	*/
2 
3 /*-
4  * Copyright (c) 1982, 1986, 1990, 1993, 1994
5  *	The Regents of the University of California.  All rights reserved.
6  * (c) UNIX System Laboratories, Inc.
7  * All or some portions of this file are derived from material licensed
8  * to the University of California by American Telephone and Telegraph
9  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
10  * the permission of UNIX System Laboratories, Inc.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  * 3. All advertising materials mentioning features or use of this software
21  *    must display the following acknowledgement:
22  *	This product includes software developed by the University of
23  *	California, Berkeley and its contributors.
24  * 4. Neither the name of the University nor the names of its contributors
25  *    may be used to endorse or promote products derived from this software
26  *    without specific prior written permission.
27  *
28  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38  * SUCH DAMAGE.
39  *
40  *	@(#)filio.h	8.1 (Berkeley) 3/28/94
41  */
42 
43 #ifndef	_SYS_FILIO_H_
44 #define	_SYS_FILIO_H_
45 
46 #include <sys/ioccom.h>
47 
48 /* Generic file-descriptor ioctl's. */
49 #define	FIOCLEX		 _IO('f', 1)		/* set close on exec on fd */
50 #define	FIONCLEX	 _IO('f', 2)		/* remove close on exec */
51 #define	FIONREAD	_IOR('f', 127, int)	/* get # bytes to read */
52 #define	FIONBIO		_IOW('f', 126, int)	/* set/clear non-blocking i/o */
53 #define	FIOASYNC	_IOW('f', 125, int)	/* set/clear async i/o */
54 #define	FIOSETOWN	_IOW('f', 124, int)	/* set owner */
55 #define	FIOGETOWN	_IOR('f', 123, int)	/* get owner */
56 
57 #endif /* !_SYS_FILIO_H_ */
58