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TOMOYO Linux Cross Reference
Linux/include/linux/fcntl.h

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  1 /* SPDX-License-Identifier: GPL-2.0 */
  2 #ifndef _LINUX_FCNTL_H
  3 #define _LINUX_FCNTL_H
  4 
  5 #include <uapi/linux/fcntl.h>
  6 
  7 /* list of all valid flags for the open/openat flags argument: */
  8 #define VALID_OPEN_FLAGS \
  9         (O_RDONLY | O_WRONLY | O_RDWR | O_CREAT | O_EXCL | O_NOCTTY | O_TRUNC | \
 10          O_APPEND | O_NDELAY | O_NONBLOCK | O_NDELAY | __O_SYNC | O_DSYNC | \
 11          FASYNC | O_DIRECT | O_LARGEFILE | O_DIRECTORY | O_NOFOLLOW | \
 12          O_NOATIME | O_CLOEXEC | O_PATH | __O_TMPFILE)
 13 
 14 #ifndef force_o_largefile
 15 #define force_o_largefile() (!IS_ENABLED(CONFIG_ARCH_32BIT_OFF_T))
 16 #endif
 17 
 18 #if BITS_PER_LONG == 32
 19 #define IS_GETLK32(cmd)         ((cmd) == F_GETLK)
 20 #define IS_SETLK32(cmd)         ((cmd) == F_SETLK)
 21 #define IS_SETLKW32(cmd)        ((cmd) == F_SETLKW)
 22 #define IS_GETLK64(cmd)         ((cmd) == F_GETLK64)
 23 #define IS_SETLK64(cmd)         ((cmd) == F_SETLK64)
 24 #define IS_SETLKW64(cmd)        ((cmd) == F_SETLKW64)
 25 #else
 26 #define IS_GETLK32(cmd)         (0)
 27 #define IS_SETLK32(cmd)         (0)
 28 #define IS_SETLKW32(cmd)        (0)
 29 #define IS_GETLK64(cmd)         ((cmd) == F_GETLK)
 30 #define IS_SETLK64(cmd)         ((cmd) == F_SETLK)
 31 #define IS_SETLKW64(cmd)        ((cmd) == F_SETLKW)
 32 #endif /* BITS_PER_LONG == 32 */
 33 
 34 #define IS_GETLK(cmd)   (IS_GETLK32(cmd)  || IS_GETLK64(cmd))
 35 #define IS_SETLK(cmd)   (IS_SETLK32(cmd)  || IS_SETLK64(cmd))
 36 #define IS_SETLKW(cmd)  (IS_SETLKW32(cmd) || IS_SETLKW64(cmd))
 37 
 38 #endif
 39 

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