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