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