1#ifndef _X86_64_FCNTL_H
2#define _X86_64_FCNTL_H
3
4/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
5   located on an ext2 file system */
6#define O_ACCMODE	   0003
7#define O_RDONLY	     00
8#define O_WRONLY	     01
9#define O_RDWR		     02
10#define O_CREAT		   0100	/* not fcntl */
11#define O_EXCL		   0200	/* not fcntl */
12#define O_NOCTTY	   0400	/* not fcntl */
13#define O_TRUNC		  01000	/* not fcntl */
14#define O_APPEND	  02000
15#define O_NONBLOCK	  04000
16#define O_NDELAY	O_NONBLOCK
17#define O_SYNC		 010000
18#define FASYNC		 020000	/* fcntl, for BSD compatibility */
19#define O_DIRECT	 040000	/* direct disk access hint */
20#define O_LARGEFILE	0100000
21#define O_DIRECTORY	0200000	/* must be a directory */
22#define O_NOFOLLOW	0400000 /* don't follow links */
23
24#define F_DUPFD		0	/* dup */
25#define F_GETFD		1	/* get close_on_exec */
26#define F_SETFD		2	/* set/clear close_on_exec */
27#define F_GETFL		3	/* get file->f_flags */
28#define F_SETFL		4	/* set file->f_flags */
29#define F_GETLK		5
30#define F_SETLK		6
31#define F_SETLKW	7
32
33#define F_SETOWN	8	/*  for sockets. */
34#define F_GETOWN	9	/*  for sockets. */
35#define F_SETSIG	10	/*  for sockets. */
36#define F_GETSIG	11	/*  for sockets. */
37
38/* for F_[GET|SET]FL */
39#define FD_CLOEXEC	1	/* actually anything with low bit set goes */
40
41/* for posix fcntl() and lockf() */
42#define F_RDLCK		0
43#define F_WRLCK		1
44#define F_UNLCK		2
45
46/* for old implementation of bsd flock () */
47#define F_EXLCK		4	/* or 3 */
48#define F_SHLCK		8	/* or 4 */
49
50/* for leases */
51#define F_INPROGRESS	16
52
53/* operations for bsd flock(), also used by the kernel implementation */
54#define LOCK_SH		1	/* shared lock */
55#define LOCK_EX		2	/* exclusive lock */
56#define LOCK_NB		4	/* or'd with one of the above to prevent
57				   blocking */
58#define LOCK_UN		8	/* remove lock */
59
60#define LOCK_MAND	32	/* This is a mandatory flock */
61#define LOCK_READ	64	/* ... Which allows concurrent read operations */
62#define LOCK_WRITE	128	/* ... Which allows concurrent write operations */
63#define LOCK_RW		192	/* ... Which allows concurrent read & write ops */
64
65struct flock {
66	short  l_type;
67	short  l_whence;
68	off_t l_start;
69	off_t l_len;
70	pid_t  l_pid;
71};
72
73#define F_LINUX_SPECIFIC_BASE	1024
74
75#ifdef __KERNEL__
76#define flock64	flock
77#endif
78
79#endif /* !_X86_64_FCNTL_H */
80