include/asm-alpha/fcntl.h

   1 #ifndef _ALPHA_FCNTL_H
   2 #define _ALPHA_FCNTL_H
   3
   4 /* open/fcntl - O_SYNC is only implemented on blocks devices and on files
   5    located on an ext2 file system */
   6 #define O_ACCMODE         0003
   7 #define O_RDONLY            00
   8 #define O_WRONLY            01
   9 #define O_RDWR              02
  10 #define O_CREAT          01000  /* not fcntl */
  11 #define O_TRUNC          02000  /* not fcntl */
  12 #define O_EXCL           04000  /* not fcntl */
  13 #define O_NOCTTY        010000  /* not fcntl */
  14
  15 #define O_NONBLOCK       00004
  16 #define O_APPEND         00010
  17 #define O_NDELAY        O_NONBLOCK
  18 #define O_SYNC          040000
  19 #define FASYNC          020000  /* fcntl, for BSD compatibility */
  20 #define O_DIRECTORY     0100000 /* must be a directory */
  21 #define O_NOFOLLOW      0200000 /* don't follow links */
  22 #define O_LARGEFILE     0400000 /* will be set by the kernel on every open */
  23 #define O_DIRECT        02000000 /* direct disk access - should check with OSF/1 */
  24 #define O_NOATIME       04000000
  25
  26 #define F_DUPFD         0       /* dup */
  27 #define F_GETFD         1       /* get close_on_exec */
  28 #define F_SETFD         2       /* set/clear close_on_exec */
  29 #define F_GETFL         3       /* get file->f_flags */
  30 #define F_SETFL         4       /* set file->f_flags */
  31 #define F_GETLK         7
  32 #define F_SETLK         8
  33 #define F_SETLKW        9
  34
  35 #define F_SETOWN        5       /*  for sockets. */
  36 #define F_GETOWN        6       /*  for sockets. */
  37 #define F_SETSIG        10      /*  for sockets. */
  38 #define F_GETSIG        11      /*  for sockets. */
  39
  40 /* for F_[GET|SET]FL */
  41 #define FD_CLOEXEC      1       /* actually anything with low bit set goes */
  42
  43 /* for posix fcntl() and lockf() */
  44 #define F_RDLCK         1
  45 #define F_WRLCK         2
  46 #define F_UNLCK         8
  47
  48 /* for old implementation of bsd flock () */
  49 #define F_EXLCK         16      /* or 3 */
  50 #define F_SHLCK         32      /* or 4 */
  51
  52 #define F_INPROGRESS    64
  53
  54 /* operations for bsd flock(), also used by the kernel implementation */
  55 #define LOCK_SH         1       /* shared lock */
  56 #define LOCK_EX         2       /* exclusive lock */
  57 #define LOCK_NB         4       /* or'd with one of the above to prevent
  58                                    blocking */
  59 #define LOCK_UN         8       /* remove lock */
  60 #define LOCK_MAND      32      /* This is a mandatory flock */
  61 #define LOCK_READ      64      /* ... Which allows concurrent read operations */
  62 #define LOCK_WRITE     128     /* ... Which allows concurrent write operations */
  63 #define LOCK_RW        192     /* ... Which allows concurrent read & write ops */
  64
  65 struct flock {
  66         short l_type;
  67         short l_whence;
  68         __kernel_off_t l_start;
  69         __kernel_off_t l_len;
  70         __kernel_pid_t l_pid;
  71 };
  72
  73 #define F_LINUX_SPECIFIC_BASE  1024
  74
  75 #endif