include/uapi/linux/fcntl.h

   1 #ifndef _UAPI_LINUX_FCNTL_H
   2 #define _UAPI_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  * Cancel a blocking posix lock; internal use only until we expose an
  11  * asynchronous lock api to userspace:
  12  */
  13 #define F_CANCELLK      (F_LINUX_SPECIFIC_BASE + 5)
  14
  15 /* Create a file descriptor with FD_CLOEXEC set. */
  16 #define F_DUPFD_CLOEXEC (F_LINUX_SPECIFIC_BASE + 6)
  17
  18 /*
  19  * Request nofications on a directory.
  20  * See below for events that may be notified.
  21  */
  22 #define F_NOTIFY        (F_LINUX_SPECIFIC_BASE+2)
  23
  24 /*
  25  * Set and get of pipe page size array
  26  */
  27 #define F_SETPIPE_SZ    (F_LINUX_SPECIFIC_BASE + 7)
  28 #define F_GETPIPE_SZ    (F_LINUX_SPECIFIC_BASE + 8)
  29
  30 /*
  31  * Set/Get seals
  32  */
  33 #define F_ADD_SEALS     (F_LINUX_SPECIFIC_BASE + 9)
  34 #define F_GET_SEALS     (F_LINUX_SPECIFIC_BASE + 10)
  35
  36 /*
  37  * Types of seals
  38  */
  39 #define F_SEAL_SEAL     0x0001  /* prevent further seals from being set */
  40 #define F_SEAL_SHRINK   0x0002  /* prevent file from shrinking */
  41 #define F_SEAL_GROW     0x0004  /* prevent file from growing */
  42 #define F_SEAL_WRITE    0x0008  /* prevent writes */
  43 /* (1U << 31) is reserved for signed error codes */
  44
  45 /*
  46  * Types of directory notifications that may be requested.
  47  */
  48 #define DN_ACCESS       0x00000001      /* File accessed */
  49 #define DN_MODIFY       0x00000002      /* File modified */
  50 #define DN_CREATE       0x00000004      /* File created */
  51 #define DN_DELETE       0x00000008      /* File removed */
  52 #define DN_RENAME       0x00000010      /* File renamed */
  53 #define DN_ATTRIB       0x00000020      /* File changed attibutes */
  54 #define DN_MULTISHOT    0x80000000      /* Don't remove notifier */
  55
  56 #define AT_FDCWD                -100    /* Special value used to indicate
  57                                            openat should use the current
  58                                            working directory. */
  59 #define AT_SYMLINK_NOFOLLOW     0x100   /* Do not follow symbolic links.  */
  60 #define AT_REMOVEDIR            0x200   /* Remove directory instead of
  61                                            unlinking file.  */
  62 #define AT_SYMLINK_FOLLOW       0x400   /* Follow symbolic links.  */
  63 #define AT_NO_AUTOMOUNT         0x800   /* Suppress terminal automount traversal */
  64 #define AT_EMPTY_PATH           0x1000  /* Allow empty relative pathname */
  65
  66
  67 #endif /* _UAPI_LINUX_FCNTL_H */