projects / mirror_ubuntu-zesty-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | #ifndef _LINUX_FCNTL_H |
| 2 | #define _LINUX_FCNTL_H | |
| 3 | ||
| 4 | #include <asm/fcntl.h> | |
| 5 | ||
| 22d2b35b UD |
6 | #define F_SETLEASE (F_LINUX_SPECIFIC_BASE + 0) |
| 7 | #define F_GETLEASE (F_LINUX_SPECIFIC_BASE + 1) | |
| 9b9d2ab4 | 8 | |
| 22d2b35b UD |
9 | /* |
| 10 | * Cancel a blocking posix lock; internal use only until we expose an | |
| 11 | * asynchronous lock api to userspace: | |
| 12 | */ | |
| 13 | #define F_CANCELLK (F_LINUX_SPECIFIC_BASE + 5) | |
| 14 | ||
| 15 | /* Create a file descriptor with FD_CLOEXEC set. */ | |
| 16 | #define F_DUPFD_CLOEXEC (F_LINUX_SPECIFIC_BASE + 6) | |
| 1da177e4 LT |
17 | |
| 18 | /* | |
| 19 | * Request nofications on a directory. | |
| 20 | * See below for events that may be notified. | |
| 21 | */ | |
| 22 | #define F_NOTIFY (F_LINUX_SPECIFIC_BASE+2) | |
| 23 | ||
| 24 | /* | |
| 25 | * Types of directory notifications that may be requested. | |
| 26 | */ | |
| 27 | #define DN_ACCESS 0x00000001 /* File accessed */ | |
| 28 | #define DN_MODIFY 0x00000002 /* File modified */ | |
| 29 | #define DN_CREATE 0x00000004 /* File created */ | |
| 30 | #define DN_DELETE 0x00000008 /* File removed */ | |
| 31 | #define DN_RENAME 0x00000010 /* File renamed */ | |
| 32 | #define DN_ATTRIB 0x00000020 /* File changed attibutes */ | |
| 33 | #define DN_MULTISHOT 0x80000000 /* Don't remove notifier */ | |
| 34 | ||
| 5590ff0d UD |
35 | #define AT_FDCWD -100 /* Special value used to indicate |
| 36 | openat should use the current | |
| 37 | working directory. */ | |
| 38 | #define AT_SYMLINK_NOFOLLOW 0x100 /* Do not follow symbolic links. */ | |
| 39 | #define AT_REMOVEDIR 0x200 /* Remove directory instead of | |
| 40 | unlinking file. */ | |
| 45c9b11a | 41 | #define AT_SYMLINK_FOLLOW 0x400 /* Follow symbolic links. */ |
| 5590ff0d | 42 | |
| 1da177e4 LT |
43 | #ifdef __KERNEL__ |
| 44 | ||
| ef3daeda YZ |
45 | #ifndef force_o_largefile |
| 46 | #define force_o_largefile() (BITS_PER_LONG != 32) | |
| 47 | #endif | |
| 48 | ||
| 1da177e4 LT |
49 | #if BITS_PER_LONG == 32 |
| 50 | #define IS_GETLK32(cmd) ((cmd) == F_GETLK) | |
| 51 | #define IS_SETLK32(cmd) ((cmd) == F_SETLK) | |
| 52 | #define IS_SETLKW32(cmd) ((cmd) == F_SETLKW) | |
| 53 | #define IS_GETLK64(cmd) ((cmd) == F_GETLK64) | |
| 54 | #define IS_SETLK64(cmd) ((cmd) == F_SETLK64) | |
| 55 | #define IS_SETLKW64(cmd) ((cmd) == F_SETLKW64) | |
| 56 | #else | |
| 57 | #define IS_GETLK32(cmd) (0) | |
| 58 | #define IS_SETLK32(cmd) (0) | |
| 59 | #define IS_SETLKW32(cmd) (0) | |
| 60 | #define IS_GETLK64(cmd) ((cmd) == F_GETLK) | |
| 61 | #define IS_SETLK64(cmd) ((cmd) == F_SETLK) | |
| 62 | #define IS_SETLKW64(cmd) ((cmd) == F_SETLKW) | |
| 63 | #endif /* BITS_PER_LONG == 32 */ | |
| 64 | ||
| 65 | #define IS_GETLK(cmd) (IS_GETLK32(cmd) || IS_GETLK64(cmd)) | |
| 66 | #define IS_SETLK(cmd) (IS_SETLK32(cmd) || IS_SETLK64(cmd)) | |
| 67 | #define IS_SETLKW(cmd) (IS_SETLKW32(cmd) || IS_SETLKW64(cmd)) | |
| 68 | ||
| 69 | #endif /* __KERNEL__ */ | |
| 70 | ||
| 71 | #endif |