1 #ifndef _LINUX_FCNTL_H 2 #define _LINUX_FCNTL_H 3 4 #include <asm/fcntl.h> 5 6 #define F_SETLEASE (F_LINUX_SPECIFIC_BASE + 0) 7 #define F_GETLEASE (F_LINUX_SPECIFIC_BASE + 1) 8 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) 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 * Set and get of pipe page size array 26 */ 27 #define F_SETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 7) 28 #define F_GETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 8) 29 30 /* 31 * Types of directory notifications that may be requested. 32 */ 33 #define DN_ACCESS 0x00000001 /* File accessed */ 34 #define DN_MODIFY 0x00000002 /* File modified */ 35 #define DN_CREATE 0x00000004 /* File created */ 36 #define DN_DELETE 0x00000008 /* File removed */ 37 #define DN_RENAME 0x00000010 /* File renamed */ 38 #define DN_ATTRIB 0x00000020 /* File changed attibutes */ 39 #define DN_MULTISHOT 0x80000000 /* Don't remove notifier */ 40 41 #define AT_FDCWD -100 /* Special value used to indicate 42 openat should use the current 43 working directory. */ 44 #define AT_SYMLINK_NOFOLLOW 0x100 /* Do not follow symbolic links. */ 45 #define AT_REMOVEDIR 0x200 /* Remove directory instead of 46 unlinking file. */ 47 #define AT_SYMLINK_FOLLOW 0x400 /* Follow symbolic links. */ 48 #define AT_NO_AUTOMOUNT 0x800 /* Suppress terminal automount traversal */ 49 50 #ifdef __KERNEL__ 51 52 #ifndef force_o_largefile 53 #define force_o_largefile() (BITS_PER_LONG != 32) 54 #endif 55 56 #if BITS_PER_LONG == 32 57 #define IS_GETLK32(cmd) ((cmd) == F_GETLK) 58 #define IS_SETLK32(cmd) ((cmd) == F_SETLK) 59 #define IS_SETLKW32(cmd) ((cmd) == F_SETLKW) 60 #define IS_GETLK64(cmd) ((cmd) == F_GETLK64) 61 #define IS_SETLK64(cmd) ((cmd) == F_SETLK64) 62 #define IS_SETLKW64(cmd) ((cmd) == F_SETLKW64) 63 #else 64 #define IS_GETLK32(cmd) (0) 65 #define IS_SETLK32(cmd) (0) 66 #define IS_SETLKW32(cmd) (0) 67 #define IS_GETLK64(cmd) ((cmd) == F_GETLK) 68 #define IS_SETLK64(cmd) ((cmd) == F_SETLK) 69 #define IS_SETLKW64(cmd) ((cmd) == F_SETLKW) 70 #endif /* BITS_PER_LONG == 32 */ 71 72 #define IS_GETLK(cmd) (IS_GETLK32(cmd) || IS_GETLK64(cmd)) 73 #define IS_SETLK(cmd) (IS_SETLK32(cmd) || IS_SETLK64(cmd)) 74 #define IS_SETLKW(cmd) (IS_SETLKW32(cmd) || IS_SETLKW64(cmd)) 75 76 #endif /* __KERNEL__ */ 77 78 #endif 79