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