File: /usr/src/linux/include/asm-m68k/fcntl.h

1     #ifndef _M68K_FCNTL_H
2     #define _M68K_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_DIRECTORY	040000	/* must be a directory */
20     #define O_NOFOLLOW	0100000	/* don't follow links */
21     #define O_DIRECT	0200000	/* direct disk access hint - currently ignored */
22     #define O_LARGEFILE	0400000
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     #define F_GETLK64	12	/*  using 'struct flock64' */
39     #define F_SETLK64	13
40     #define F_SETLKW64	14
41     
42     /* for F_[GET|SET]FL */
43     #define FD_CLOEXEC	1	/* actually anything with low bit set goes */
44     
45     /* for posix fcntl() and lockf() */
46     #define F_RDLCK		0
47     #define F_WRLCK		1
48     #define F_UNLCK		2
49     
50     /* for old implementation of bsd flock () */
51     #define F_EXLCK		4	/* or 3 */
52     #define F_SHLCK		8	/* or 4 */
53     
54     /* for leases */
55     #define F_INPROGRESS	16
56     
57     /* operations for bsd flock(), also used by the kernel implementation */
58     #define LOCK_SH		1	/* shared lock */
59     #define LOCK_EX		2	/* exclusive lock */
60     #define LOCK_NB		4	/* or'd with one of the above to prevent
61     				   blocking */
62     #define LOCK_UN		8	/* remove lock */
63     
64     #define LOCK_MAND	32	/* This is a mandatory flock */
65     #define LOCK_READ	64	/* ... Which allows concurrent read operations */
66     #define LOCK_WRITE	128	/* ... Which allows concurrent write operations */
67     #define LOCK_RW		192	/* ... Which allows concurrent read & write ops */
68     
69     struct flock {
70     	short l_type;
71     	short l_whence;
72     	off_t l_start;
73     	off_t l_len;
74     	pid_t l_pid;
75     };
76     
77     struct flock64 {
78     	short  l_type;
79     	short  l_whence;
80     	loff_t l_start;
81     	loff_t l_len;
82     	pid_t  l_pid;
83     };
84     
85     #define F_LINUX_SPECIFIC_BASE	1024
86     #endif /* _M68K_FCNTL_H */
87