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kernel/linux-imx6_3.14.28/include/linux/fcntl.h 909 Bytes
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  #ifndef _LINUX_FCNTL_H
  #define _LINUX_FCNTL_H
  
  #include <uapi/linux/fcntl.h>
  
  
  #ifndef force_o_largefile
  #define force_o_largefile() (BITS_PER_LONG != 32)
  #endif
  
  #if BITS_PER_LONG == 32
  #define IS_GETLK32(cmd)		((cmd) == F_GETLK)
  #define IS_SETLK32(cmd)		((cmd) == F_SETLK)
  #define IS_SETLKW32(cmd)	((cmd) == F_SETLKW)
  #define IS_GETLK64(cmd)		((cmd) == F_GETLK64)
  #define IS_SETLK64(cmd)		((cmd) == F_SETLK64)
  #define IS_SETLKW64(cmd)	((cmd) == F_SETLKW64)
  #else
  #define IS_GETLK32(cmd)		(0)
  #define IS_SETLK32(cmd)		(0)
  #define IS_SETLKW32(cmd)	(0)
  #define IS_GETLK64(cmd)		((cmd) == F_GETLK)
  #define IS_SETLK64(cmd)		((cmd) == F_SETLK)
  #define IS_SETLKW64(cmd)	((cmd) == F_SETLKW)
  #endif /* BITS_PER_LONG == 32 */
  
  #define IS_GETLK(cmd)	(IS_GETLK32(cmd)  || IS_GETLK64(cmd))
  #define IS_SETLK(cmd)	(IS_SETLK32(cmd)  || IS_SETLK64(cmd))
  #define IS_SETLKW(cmd)	(IS_SETLKW32(cmd) || IS_SETLKW64(cmd))
  
  #endif