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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 422 | giacomo | 1 | #ifndef _I386_FCNTL_H |
| 2 | #define _I386_FCNTL_H |
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| 3 | |||
| 4 | /* open/fcntl - O_SYNC is only implemented on blocks devices and on files |
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| 5 | located on an ext2 file system */ |
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| 6 | #define O_ACCMODE 0003 |
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| 7 | #define O_RDONLY 00 |
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| 8 | #define O_WRONLY 01 |
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| 9 | #define O_RDWR 02 |
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| 10 | #define O_CREAT 0100 /* not fcntl */ |
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| 11 | #define O_EXCL 0200 /* not fcntl */ |
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| 12 | #define O_NOCTTY 0400 /* not fcntl */ |
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| 13 | #define O_TRUNC 01000 /* not fcntl */ |
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| 14 | #define O_APPEND 02000 |
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| 15 | #define O_NONBLOCK 04000 |
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| 16 | #define O_NDELAY O_NONBLOCK |
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| 17 | #define O_SYNC 010000 |
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| 18 | #define FASYNC 020000 /* fcntl, for BSD compatibility */ |
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| 19 | #define O_DIRECT 040000 /* direct disk access hint */ |
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| 20 | #define O_LARGEFILE 0100000 |
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| 21 | #define O_DIRECTORY 0200000 /* must be a directory */ |
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| 22 | #define O_NOFOLLOW 0400000 /* don't follow links */ |
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| 23 | |||
| 24 | #define F_DUPFD 0 /* dup */ |
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| 25 | #define F_GETFD 1 /* get close_on_exec */ |
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| 26 | #define F_SETFD 2 /* set/clear close_on_exec */ |
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| 27 | #define F_GETFL 3 /* get file->f_flags */ |
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| 28 | #define F_SETFL 4 /* set file->f_flags */ |
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| 29 | #define F_GETLK 5 |
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| 30 | #define F_SETLK 6 |
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| 31 | #define F_SETLKW 7 |
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| 32 | |||
| 33 | #define F_SETOWN 8 /* for sockets. */ |
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| 34 | #define F_GETOWN 9 /* for sockets. */ |
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| 35 | #define F_SETSIG 10 /* for sockets. */ |
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| 36 | #define F_GETSIG 11 /* for sockets. */ |
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| 37 | |||
| 38 | #define F_GETLK64 12 /* using 'struct flock64' */ |
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| 39 | #define F_SETLK64 13 |
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| 40 | #define F_SETLKW64 14 |
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| 41 | |||
| 42 | /* for F_[GET|SET]FL */ |
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| 43 | #define FD_CLOEXEC 1 /* actually anything with low bit set goes */ |
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| 44 | |||
| 45 | /* for posix fcntl() and lockf() */ |
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| 46 | #define F_RDLCK 0 |
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| 47 | #define F_WRLCK 1 |
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| 48 | #define F_UNLCK 2 |
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| 49 | |||
| 50 | /* for old implementation of bsd flock () */ |
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| 51 | #define F_EXLCK 4 /* or 3 */ |
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| 52 | #define F_SHLCK 8 /* or 4 */ |
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| 53 | |||
| 54 | /* for leases */ |
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| 55 | #define F_INPROGRESS 16 |
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| 56 | |||
| 57 | /* operations for bsd flock(), also used by the kernel implementation */ |
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| 58 | #define LOCK_SH 1 /* shared lock */ |
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| 59 | #define LOCK_EX 2 /* exclusive lock */ |
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| 60 | #define LOCK_NB 4 /* or'd with one of the above to prevent |
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| 61 | blocking */ |
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| 62 | #define LOCK_UN 8 /* remove lock */ |
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| 63 | |||
| 64 | #define LOCK_MAND 32 /* This is a mandatory flock */ |
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| 65 | #define LOCK_READ 64 /* ... Which allows concurrent read operations */ |
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| 66 | #define LOCK_WRITE 128 /* ... Which allows concurrent write operations */ |
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| 67 | #define LOCK_RW 192 /* ... Which allows concurrent read & write ops */ |
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| 68 | |||
| 69 | struct flock { |
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| 70 | short l_type; |
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| 71 | short l_whence; |
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| 72 | off_t l_start; |
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| 73 | off_t l_len; |
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| 74 | pid_t l_pid; |
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| 75 | }; |
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| 76 | |||
| 77 | struct flock64 { |
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| 78 | short l_type; |
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| 79 | short l_whence; |
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| 80 | loff_t l_start; |
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| 81 | loff_t l_len; |
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| 82 | pid_t l_pid; |
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| 83 | }; |
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| 84 | |||
| 85 | #define F_LINUX_SPECIFIC_BASE 1024 |
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| 86 | |||
| 87 | #endif |