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 /* for F_[GET|SET]FL */
78 #define FD_CLOEXEC 1 /* actually anything with low bit set goes */
79
80 /* for posix fcntl() and lockf() */
81 #ifndef F_RDLCK
82 #define F_RDLCK 0
83 #define F_WRLCK 1
84 #define F_UNLCK 2
85 #endif
86
87 /* for old implementation of bsd flock () */
88 #ifndef F_EXLCK
89 #define F_EXLCK 4 /* or 3 */
90 #define F_SHLCK 8 /* or 4 */
91 #endif
92
93 /* for leases */
94 #ifndef F_INPROGRESS
95 #define F_INPROGRESS 16
96 #endif
97
98 /* operations for bsd flock(), also used by the kernel implementation */
99 #define LOCK_SH 1 /* shared lock */
100 #define LOCK_EX 2 /* exclusive lock */
101 #define LOCK_NB 4 /* or'd with one of the above to prevent
102 blocking */
103 #define LOCK_UN 8 /* remove lock */
104
105 #define LOCK_MAND 32 /* This is a mandatory flock ... */
106 #define LOCK_READ 64 /* which allows concurrent read operations */
107 #define LOCK_WRITE 128 /* which allows concurrent write operations */
108 #define LOCK_RW 192 /* which allows concurrent read & write ops */
109
110 #define F_LINUX_SPECIFIC_BASE 1024
111
112 #ifndef HAVE_ARCH_STRUCT_FLOCK
113 #ifndef __ARCH_FLOCK_PAD
114 #define __ARCH_FLOCK_PAD
115 #endif
116
117 struct flock {
118 short l_type;
119 short l_whence;
120 off_t l_start;
121 off_t l_len;
122 pid_t l_pid;
123 __ARCH_FLOCK_PAD
124 };
125 #endif
126
127 #ifndef CONFIG_64BIT
128
129 #ifndef F_GETLK64
130 #define F_GETLK64 12 /* using 'struct flock64' */
131 #define F_SETLK64 13
132 #define F_SETLKW64 14
133 #endif
134
135 #ifndef HAVE_ARCH_STRUCT_FLOCK64
136 #ifndef __ARCH_FLOCK64_PAD
137 #define __ARCH_FLOCK64_PAD
138 #endif
139
140 struct flock64 {
141 short l_type;
142 short l_whence;
143 loff_t l_start;
144 loff_t l_len;
145 pid_t l_pid;
146 __ARCH_FLOCK64_PAD
147 };
148 #endif
149 #endif /* !CONFIG_64BIT */
150
151 #endif /* _ASM_GENERIC_FCNTL_H */
152
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