projects / mirror_ubuntu-zesty-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
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 | #define O_NOATIME 01000000 | |
| 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_GETLK 5 | |
| 31 | #define F_SETLK 6 | |
| 32 | #define F_SETLKW 7 | |
| 33 | ||
| 34 | #define F_SETOWN 8 /* for sockets. */ | |
| 35 | #define F_GETOWN 9 /* for sockets. */ | |
| 36 | #define F_SETSIG 10 /* for sockets. */ | |
| 37 | #define F_GETSIG 11 /* for sockets. */ | |
| 38 | ||
| 39 | /* for F_[GET|SET]FL */ | |
| 40 | #define FD_CLOEXEC 1 /* actually anything with low bit set goes */ | |
| 41 | ||
| 42 | /* for posix fcntl() and lockf() */ | |
| 43 | #define F_RDLCK 0 | |
| 44 | #define F_WRLCK 1 | |
| 45 | #define F_UNLCK 2 | |
| 46 | ||
| 47 | /* for old implementation of bsd flock () */ | |
| 48 | #define F_EXLCK 4 /* or 3 */ | |
| 49 | #define F_SHLCK 8 /* or 4 */ | |
| 50 | ||
| 51 | /* for leases */ | |
| 52 | #define F_INPROGRESS 16 | |
| 53 | ||
| 54 | /* operations for bsd flock(), also used by the kernel implementation */ | |
| 55 | #define LOCK_SH 1 /* shared lock */ | |
| 56 | #define LOCK_EX 2 /* exclusive lock */ | |
| 57 | #define LOCK_NB 4 /* or'd with one of the above to prevent | |
| 58 | blocking */ | |
| 59 | #define LOCK_UN 8 /* remove lock */ | |
| 60 | ||
| 61 | #define LOCK_MAND 32 /* This is a mandatory flock */ | |
| 62 | #define LOCK_READ 64 /* ... Which allows concurrent read operations */ | |
| 63 | #define LOCK_WRITE 128 /* ... Which allows concurrent write operations */ | |
| 64 | #define LOCK_RW 192 /* ... Which allows concurrent read & write ops */ | |
| 65 | ||
| 66 | struct flock { | |
| 67 | short l_type; | |
| 68 | short l_whence; | |
| 69 | off_t l_start; | |
| 70 | off_t l_len; | |
| 71 | pid_t l_pid; | |
| 72 | }; | |
| 73 | ||
| 74 | #define F_LINUX_SPECIFIC_BASE 1024 | |
| 75 | ||
| 76 | #endif /* !_X86_64_FCNTL_H */ |