include/linux/fcntl.h

   1 #ifndef _LINUX_FCNTL_H
   2 #define _LINUX_FCNTL_H
   3
   4 #include <uapi/linux/fcntl.h>
   5
   6 /* list of all valid flags for the open/openat flags argument: */
   7 #define VALID_OPEN_FLAGS \
   8         (O_RDONLY | O_WRONLY | O_RDWR | O_CREAT | O_EXCL | O_NOCTTY | O_TRUNC | \
   9          O_APPEND | O_NDELAY | O_NONBLOCK | O_NDELAY | __O_SYNC | O_DSYNC | \
  10          FASYNC | O_DIRECT | O_LARGEFILE | O_DIRECTORY | O_NOFOLLOW | \
  11          O_NOATIME | O_CLOEXEC | O_PATH | __O_TMPFILE)
  12
  13 #ifndef force_o_largefile
  14 #define force_o_largefile() (BITS_PER_LONG != 32)
  15 #endif
  16
  17 #if BITS_PER_LONG == 32
  18 #define IS_GETLK32(cmd)         ((cmd) == F_GETLK)
  19 #define IS_SETLK32(cmd)         ((cmd) == F_SETLK)
  20 #define IS_SETLKW32(cmd)        ((cmd) == F_SETLKW)
  21 #define IS_GETLK64(cmd)         ((cmd) == F_GETLK64)
  22 #define IS_SETLK64(cmd)         ((cmd) == F_SETLK64)
  23 #define IS_SETLKW64(cmd)        ((cmd) == F_SETLKW64)
  24 #else
  25 #define IS_GETLK32(cmd)         (0)
  26 #define IS_SETLK32(cmd)         (0)
  27 #define IS_SETLKW32(cmd)        (0)
  28 #define IS_GETLK64(cmd)         ((cmd) == F_GETLK)
  29 #define IS_SETLK64(cmd)         ((cmd) == F_SETLK)
  30 #define IS_SETLKW64(cmd)        ((cmd) == F_SETLKW)
  31 #endif /* BITS_PER_LONG == 32 */
  32
  33 #define IS_GETLK(cmd)   (IS_GETLK32(cmd)  || IS_GETLK64(cmd))
  34 #define IS_SETLK(cmd)   (IS_SETLK32(cmd)  || IS_SETLK64(cmd))
  35 #define IS_SETLKW(cmd)  (IS_SETLKW32(cmd) || IS_SETLKW64(cmd))
  36
  37 #endif