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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
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
117struct 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
140struct 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 */