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#define AT_EMPTY_PATH 0x1000 /* Allow empty relative pathname */ 50 51#ifdef __KERNEL__ 52 53#ifndef force_o_largefile 54#define force_o_largefile() (BITS_PER_LONG != 32) 55#endif 56 57#if BITS_PER_LONG == 32 58#define IS_GETLK32(cmd) ((cmd) == F_GETLK) 59#define IS_SETLK32(cmd) ((cmd) == F_SETLK) 60#define IS_SETLKW32(cmd) ((cmd) == F_SETLKW) 61#define IS_GETLK64(cmd) ((cmd) == F_GETLK64) 62#define IS_SETLK64(cmd) ((cmd) == F_SETLK64) 63#define IS_SETLKW64(cmd) ((cmd) == F_SETLKW64) 64#else 65#define IS_GETLK32(cmd) (0) 66#define IS_SETLK32(cmd) (0) 67#define IS_SETLKW32(cmd) (0) 68#define IS_GETLK64(cmd) ((cmd) == F_GETLK) 69#define IS_SETLK64(cmd) ((cmd) == F_SETLK) 70#define IS_SETLKW64(cmd) ((cmd) == F_SETLKW) 71#endif /* BITS_PER_LONG == 32 */ 72 73#define IS_GETLK(cmd) (IS_GETLK32(cmd) || IS_GETLK64(cmd)) 74#define IS_SETLK(cmd) (IS_SETLK32(cmd) || IS_SETLK64(cmd)) 75#define IS_SETLKW(cmd) (IS_SETLKW32(cmd) || IS_SETLKW64(cmd)) 76 77#endif /* __KERNEL__ */ 78 79#endif 80