xref: /netbsd-src/sys/compat/linux/common/linux_fcntl.h (revision 1f2744e6e4915c9da2a3f980279398c4cf7d5e6d)
1 /*	$NetBSD: linux_fcntl.h,v 1.1 1995/02/28 23:25:40 fvdl Exp $	*/
2 
3 /*
4  * Copyright (c) 1995 Frank van der Linden
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *      This product includes software developed for the NetBSD Project
18  *      by Frank van der Linden
19  * 4. The name of the author may not be used to endorse or promote products
20  *    derived from this software without specific prior written permission
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 /*
35  * Various flag values used in Linux for open(2) and fcntl(2).
36  */
37 
38 #ifndef _LINUX_FCNTL_H
39 #define _LINUX_FCNTL_H
40 
41 /* read/write mode for open(2) (as usual) */
42 #define LINUX_O_RDONLY		0x0000
43 #define LINUX_O_WRONLY		0x0001
44 #define LINUX_O_RDWR		0x0002
45 #define LINUX_O_ACCMODE		0x0003
46 
47 /* flags used in open(2) */
48 #define LINUX_O_CREAT		0x0040
49 #define LINUX_O_EXCL		0x0080
50 #define LINUX_O_NOCTTY		0x0100
51 #define LINUX_O_TRUNC		0x0200
52 #define LINUX_O_APPEND		0x0400
53 #define LINUX_O_NDELAY		0x0800
54 #define LINUX_O_SYNC		0x1000
55 
56 #define LINUX_FASYNC		0x2000
57 
58 /* fcntl(2) operations */
59 #define LINUX_F_DUPFD		0
60 #define LINUX_F_GETFD		1
61 #define LINUX_F_SETFD		2
62 #define LINUX_F_GETFL		3
63 #define LINUX_F_SETFL		4
64 #define LINUX_F_GETLK		5
65 #define LINUX_F_SETLK		6
66 #define LINUX_F_SETLKW		7
67 #define LINUX_F_SETOWN		8
68 #define LINUX_F_GETOWN		9
69 
70 #define LINUX_F_RDLCK		0
71 #define LINUX_F_WRLCK		1
72 #define LINUX_F_UNLCK		2
73 
74 #define LINUX_LOCK_EX		4
75 #define LINUX_LOCK_SH		8
76 
77 /*
78  * The arguments in the flock structure have a different order from the
79  * BSD structure.
80  */
81 
82 struct linux_flock {
83 	short       l_type;
84 	short       l_whence;
85 	linux_off_t l_start;
86 	linux_off_t l_len;
87 	linux_pid_t l_pid;
88 };
89 
90 #endif /* _LINUX_FCNTL_H */
91