tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
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_NDELAY
52#define O_NDELAY O_NONBLOCK
53#endif
54
55#define F_DUPFD 0 /* dup */
56#define F_GETFD 1 /* get close_on_exec */
57#define F_SETFD 2 /* set/clear close_on_exec */
58#define F_GETFL 3 /* get file->f_flags */
59#define F_SETFL 4 /* set file->f_flags */
60#ifndef F_GETLK
61#define F_GETLK 5
62#define F_SETLK 6
63#define F_SETLKW 7
64#endif
65#ifndef F_SETOWN
66#define F_SETOWN 8 /* for sockets. */
67#define F_GETOWN 9 /* for sockets. */
68#endif
69#ifndef F_SETSIG
70#define F_SETSIG 10 /* for sockets. */
71#define F_GETSIG 11 /* for sockets. */
72#endif
73
74/* for F_[GET|SET]FL */
75#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
76
77/* for posix fcntl() and lockf() */
78#ifndef F_RDLCK
79#define F_RDLCK 0
80#define F_WRLCK 1
81#define F_UNLCK 2
82#endif
83
84/* for old implementation of bsd flock () */
85#ifndef F_EXLCK
86#define F_EXLCK 4 /* or 3 */
87#define F_SHLCK 8 /* or 4 */
88#endif
89
90/* for leases */
91#ifndef F_INPROGRESS
92#define F_INPROGRESS 16
93#endif
94
95/* operations for bsd flock(), also used by the kernel implementation */
96#define LOCK_SH 1 /* shared lock */
97#define LOCK_EX 2 /* exclusive lock */
98#define LOCK_NB 4 /* or'd with one of the above to prevent
99 blocking */
100#define LOCK_UN 8 /* remove lock */
101
102#define LOCK_MAND 32 /* This is a mandatory flock ... */
103#define LOCK_READ 64 /* which allows concurrent read operations */
104#define LOCK_WRITE 128 /* which allows concurrent write operations */
105#define LOCK_RW 192 /* which allows concurrent read & write ops */
106
107#define F_LINUX_SPECIFIC_BASE 1024
108
109#ifndef HAVE_ARCH_STRUCT_FLOCK
110#ifndef __ARCH_FLOCK_PAD
111#define __ARCH_FLOCK_PAD
112#endif
113
114struct flock {
115 short l_type;
116 short l_whence;
117 off_t l_start;
118 off_t l_len;
119 pid_t l_pid;
120 __ARCH_FLOCK_PAD
121};
122#endif
123
124#ifndef CONFIG_64BIT
125
126#ifndef F_GETLK64
127#define F_GETLK64 12 /* using 'struct flock64' */
128#define F_SETLK64 13
129#define F_SETLKW64 14
130#endif
131
132#ifndef HAVE_ARCH_STRUCT_FLOCK64
133#ifndef __ARCH_FLOCK64_PAD
134#define __ARCH_FLOCK64_PAD
135#endif
136
137struct flock64 {
138 short l_type;
139 short l_whence;
140 loff_t l_start;
141 loff_t l_len;
142 pid_t l_pid;
143 __ARCH_FLOCK64_PAD
144};
145#endif
146#endif /* !CONFIG_64BIT */
147
148#endif /* _ASM_GENERIC_FCNTL_H */