include/linux/fcntl.h

   1 #ifndef _LINUX_FCNTL_H
   2 #define _LINUX_FCNTL_H
   3
   4 #include <uapi/linux/fcntl.h>
   5
   6
   7 #ifndef force_o_largefile
   8 #define force_o_largefile() (BITS_PER_LONG != 32)
   9 #endif
  10
  11 #if BITS_PER_LONG == 32
  12 #define IS_GETLK32(cmd)         ((cmd) == F_GETLK)
  13 #define IS_SETLK32(cmd)         ((cmd) == F_SETLK)
  14 #define IS_SETLKW32(cmd)        ((cmd) == F_SETLKW)
  15 #define IS_GETLK64(cmd)         ((cmd) == F_GETLK64)
  16 #define IS_SETLK64(cmd)         ((cmd) == F_SETLK64)
  17 #define IS_SETLKW64(cmd)        ((cmd) == F_SETLKW64)
  18 #else
  19 #define IS_GETLK32(cmd)         (0)
  20 #define IS_SETLK32(cmd)         (0)
  21 #define IS_SETLKW32(cmd)        (0)
  22 #define IS_GETLK64(cmd)         ((cmd) == F_GETLK)
  23 #define IS_SETLK64(cmd)         ((cmd) == F_SETLK)
  24 #define IS_SETLKW64(cmd)        ((cmd) == F_SETLKW)
  25 #endif /* BITS_PER_LONG == 32 */
  26
  27 #define IS_GETLK(cmd)   (IS_GETLK32(cmd)  || IS_GETLK64(cmd))
  28 #define IS_SETLK(cmd)   (IS_SETLK32(cmd)  || IS_SETLK64(cmd))
  29 #define IS_SETLKW(cmd)  (IS_SETLKW32(cmd) || IS_SETLKW64(cmd))
  30
  31 #endif