xref: /freebsd/sys/sys/filio.h (revision 4a0f765fbf09711e612e86fce8bb09ec43f482d9)
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  * $Id$
40  */
41 
42 #ifndef	_SYS_FILIO_H_
43 #define	_SYS_FILIO_H_
44 
45 #include <sys/ioccom.h>
46 
47 /* Generic file-descriptor ioctl's. */
48 #define	FIOCLEX		 _IO('f', 1)		/* set close on exec on fd */
49 #define	FIONCLEX	 _IO('f', 2)		/* remove close on exec */
50 #define	FIONREAD	_IOR('f', 127, int)	/* get # bytes to read */
51 #define	FIONBIO		_IOW('f', 126, int)	/* set/clear non-blocking i/o */
52 #define	FIOASYNC	_IOW('f', 125, int)	/* set/clear async i/o */
53 #define	FIOSETOWN	_IOW('f', 124, int)	/* set owner */
54 #define	FIOGETOWN	_IOR('f', 123, int)	/* get owner */
55 
56 #endif /* !_SYS_FILIO_H_ */
57