1#ifndef _ASM_GENERIC_FCNTL_H
2#define _ASM_GENERIC_FCNTL_H
3
4#include <linux/types.h>
5
6/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
7   located on an ext2 file system */
8#define O_ACCMODE	00000003
9#define O_RDONLY	00000000
10#define O_WRONLY	00000001
11#define O_RDWR		00000002
12#ifndef O_CREAT
13#define O_CREAT		00000100	/* not fcntl */
14#endif
15#ifndef O_EXCL
16#define O_EXCL		00000200	/* not fcntl */
17#endif
18#ifndef O_NOCTTY
19#define O_NOCTTY	00000400	/* not fcntl */
20#endif
21#ifndef O_TRUNC
22#define O_TRUNC		00001000	/* not fcntl */
23#endif
24#ifndef O_APPEND
25#define O_APPEND	00002000
26#endif
27#ifndef O_NONBLOCK
28#define O_NONBLOCK	00004000
29#endif
30#ifndef O_SYNC
31#define O_SYNC		00010000
32#endif
33#ifndef FASYNC
34#define FASYNC		00020000	/* fcntl, for BSD compatibility */
35#endif
36#ifndef O_DIRECT
37#define O_DIRECT	00040000	/* direct disk access hint */
38#endif
39#ifndef O_LARGEFILE
40#define O_LARGEFILE	00100000
41#endif
42#ifndef O_DIRECTORY
43#define O_DIRECTORY	00200000	/* must be a directory */
44#endif
45#ifndef O_NOFOLLOW
46#define O_NOFOLLOW	00400000	/* don't follow links */
47#endif
48#ifndef O_NOATIME
49#define O_NOATIME	01000000
50#endif
51#ifndef O_CLOEXEC
52#define O_CLOEXEC	02000000	/* set close_on_exec */
53#endif
54#ifndef O_NDELAY
55#define O_NDELAY	O_NONBLOCK
56#endif
57
58#define F_DUPFD		0	/* dup */
59#define F_GETFD		1	/* get close_on_exec */
60#define F_SETFD		2	/* set/clear close_on_exec */
61#define F_GETFL		3	/* get file->f_flags */
62#define F_SETFL		4	/* set file->f_flags */
63#ifndef F_GETLK
64#define F_GETLK		5
65#define F_SETLK		6
66#define F_SETLKW	7
67#endif
68#ifndef F_SETOWN
69#define F_SETOWN	8	/* for sockets. */
70#define F_GETOWN	9	/* for sockets. */
71#endif
72#ifndef F_SETSIG
73#define F_SETSIG	10	/* for sockets. */
74#define F_GETSIG	11	/* for sockets. */
75#endif
76
77#ifndef CONFIG_64BIT
78#ifndef F_GETLK64
79#define F_GETLK64	12	/*  using 'struct flock64' */
80#define F_SETLK64	13
81#define F_SETLKW64	14
82#endif
83#endif
84
85#ifndef F_SETOWN_EX
86#define F_SETOWN_EX	15
87#define F_GETOWN_EX	16
88#endif
89
90#define F_OWNER_TID	0
91#define F_OWNER_PID	1
92#define F_OWNER_PGRP	2
93
94struct f_owner_ex {
95	int	type;
96	pid_t	pid;
97};
98
99/* for F_[GET|SET]FL */
100#define FD_CLOEXEC	1	/* actually anything with low bit set goes */
101
102/* for posix fcntl() and lockf() */
103#ifndef F_RDLCK
104#define F_RDLCK		0
105#define F_WRLCK		1
106#define F_UNLCK		2
107#endif
108
109/* for old implementation of bsd flock () */
110#ifndef F_EXLCK
111#define F_EXLCK		4	/* or 3 */
112#define F_SHLCK		8	/* or 4 */
113#endif
114
115/* for leases */
116#ifndef F_INPROGRESS
117#define F_INPROGRESS	16
118#endif
119
120/* operations for bsd flock(), also used by the kernel implementation */
121#define LOCK_SH		1	/* shared lock */
122#define LOCK_EX		2	/* exclusive lock */
123#define LOCK_NB		4	/* or'd with one of the above to prevent
124				   blocking */
125#define LOCK_UN		8	/* remove lock */
126
127#define LOCK_MAND	32	/* This is a mandatory flock ... */
128#define LOCK_READ	64	/* which allows concurrent read operations */
129#define LOCK_WRITE	128	/* which allows concurrent write operations */
130#define LOCK_RW		192	/* which allows concurrent read & write ops */
131
132#define F_LINUX_SPECIFIC_BASE	1024
133
134#ifndef HAVE_ARCH_STRUCT_FLOCK
135#ifndef __ARCH_FLOCK_PAD
136#define __ARCH_FLOCK_PAD
137#endif
138
139struct flock {
140	short	l_type;
141	short	l_whence;
142	__kernel_off_t	l_start;
143	__kernel_off_t	l_len;
144	__kernel_pid_t	l_pid;
145	__ARCH_FLOCK_PAD
146};
147#endif
148
149#ifndef CONFIG_64BIT
150
151#ifndef HAVE_ARCH_STRUCT_FLOCK64
152#ifndef __ARCH_FLOCK64_PAD
153#define __ARCH_FLOCK64_PAD
154#endif
155
156struct flock64 {
157	short  l_type;
158	short  l_whence;
159	__kernel_loff_t l_start;
160	__kernel_loff_t l_len;
161	__kernel_pid_t  l_pid;
162	__ARCH_FLOCK64_PAD
163};
164#endif
165#endif /* !CONFIG_64BIT */
166
167#endif /* _ASM_GENERIC_FCNTL_H */
168