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

1     /* $Id: fcntl.h,v 1.16 2001/09/20 00:35:33 davem Exp $ */
2     #ifndef _SPARC_FCNTL_H
3     #define _SPARC_FCNTL_H
4     
5     /* open/fcntl - O_SYNC is only implemented on blocks devices and on files
6        located on an ext2 file system */
7     #define O_RDONLY	0x0000
8     #define O_WRONLY	0x0001
9     #define O_RDWR		0x0002
10     #define O_ACCMODE	0x0003
11     #define O_APPEND	0x0008
12     #define FASYNC		0x0040	/* fcntl, for BSD compatibility */
13     #define O_CREAT		0x0200	/* not fcntl */
14     #define O_TRUNC		0x0400	/* not fcntl */
15     #define O_EXCL		0x0800	/* not fcntl */
16     #define O_SYNC		0x2000
17     #define O_NONBLOCK	0x4000
18     #define O_NDELAY	(0x0004 | O_NONBLOCK)
19     #define O_NOCTTY	0x8000	/* not fcntl */
20     #define O_DIRECTORY	0x10000	/* must be a directory */
21     #define O_NOFOLLOW	0x20000	/* don't follow links */
22     #define O_LARGEFILE	0x40000
23     #define O_DIRECT        0x100000 /* direct disk access hint */
24     
25     #define F_DUPFD		0	/* dup */
26     #define F_GETFD		1	/* get close_on_exec */
27     #define F_SETFD		2	/* set/clear close_on_exec */
28     #define F_GETFL		3	/* get file->f_flags */
29     #define F_SETFL		4	/* set file->f_flags */
30     #define F_GETOWN	5	/*  for sockets. */
31     #define F_SETOWN	6	/*  for sockets. */
32     #define F_GETLK		7
33     #define F_SETLK		8
34     #define F_SETLKW	9
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		1
47     #define F_WRLCK		2
48     #define F_UNLCK		3
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     	short __unused;
76     };
77     
78     struct flock64 {
79     	short l_type;
80     	short l_whence;
81     	loff_t l_start;
82     	loff_t l_len;
83     	pid_t l_pid;
84     	short __unused;
85     };
86     
87     #define F_LINUX_SPECIFIC_BASE	1024
88     #endif
89