include/linux/fcntl.h

   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 #ifdef __KERNEL__
  27
  28 #ifndef force_o_largefile
  29 #define force_o_largefile() (BITS_PER_LONG != 32)
  30 #endif
  31
  32 #if BITS_PER_LONG == 32
  33 #define IS_GETLK32(cmd)         ((cmd) == F_GETLK)
  34 #define IS_SETLK32(cmd)         ((cmd) == F_SETLK)
  35 #define IS_SETLKW32(cmd)        ((cmd) == F_SETLKW)
  36 #define IS_GETLK64(cmd)         ((cmd) == F_GETLK64)
  37 #define IS_SETLK64(cmd)         ((cmd) == F_SETLK64)
  38 #define IS_SETLKW64(cmd)        ((cmd) == F_SETLKW64)
  39 #else
  40 #define IS_GETLK32(cmd)         (0)
  41 #define IS_SETLK32(cmd)         (0)
  42 #define IS_SETLKW32(cmd)        (0)
  43 #define IS_GETLK64(cmd)         ((cmd) == F_GETLK)
  44 #define IS_SETLK64(cmd)         ((cmd) == F_SETLK)
  45 #define IS_SETLKW64(cmd)        ((cmd) == F_SETLKW)
  46 #endif /* BITS_PER_LONG == 32 */
  47
  48 #define IS_GETLK(cmd)   (IS_GETLK32(cmd)  || IS_GETLK64(cmd))
  49 #define IS_SETLK(cmd)   (IS_SETLK32(cmd)  || IS_SETLK64(cmd))
  50 #define IS_SETLKW(cmd)  (IS_SETLKW32(cmd) || IS_SETLKW64(cmd))
  51
  52 #endif /* __KERNEL__ */
  53
  54 #endif