LXR linux-old/include/asm-arm/fcntl.h

   1#ifndef _ARM_FCNTL_H
   2#define _ARM_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            0100 /* not fcntl */
  11#define O_EXCL             0200 /* not fcntl */
  12#define O_NOCTTY           0400 /* not fcntl */
  13#define O_TRUNC           01000 /* not fcntl */
  14#define O_APPEND          02000
  15#define O_NONBLOCK        04000
  16#define O_NDELAY        O_NONBLOCK
  17#define O_SYNC           010000
  18#define FASYNC           020000 /* fcntl, for BSD compatibility */
  19#define O_DIRECTORY      040000 /* must be a directory */
  20#define O_NOFOLLOW      0100000 /* don't follow links */
  21#define O_DIRECT        0200000 /* direct disk access hint - currently ignored */
  22#define O_LARGEFILE     0400000
  23
  24#define F_DUPFD         0       /* dup */
  25#define F_GETFD         1       /* get close_on_exec */
  26#define F_SETFD         2       /* set/clear close_on_exec */
  27#define F_GETFL         3       /* get file->f_flags */
  28#define F_SETFL         4       /* set file->f_flags */
  29#define F_GETLK         5
  30#define F_SETLK         6
  31#define F_SETLKW        7
  32
  33#define F_SETOWN        8       /*  for sockets. */
  34#define F_GETOWN        9       /*  for sockets. */
  35#define F_SETSIG        10      /*  for sockets. */
  36#define F_GETSIG        11      /*  for sockets. */
  37
  38#define F_GETLK64       12      /*  using 'struct flock64' */
  39#define F_SETLK64       13
  40#define F_SETLKW64      14
  41
  42/* for F_[GET|SET]FL */
  43#define FD_CLOEXEC      1       /* actually anything with low bit set goes */
  44
  45/* for posix fcntl() and lockf() */
  46#define F_RDLCK         0
  47#define F_WRLCK         1
  48#define F_UNLCK         2
  49
  50/* for old implementation of bsd flock () */
  51#define F_EXLCK         4       /* or 3 */
  52#define F_SHLCK         8       /* or 4 */
  53
  54/* for leases */
  55#define F_INPROGRESS    16
  56
  57/* operations for bsd flock(), also used by the kernel implementation */
  58#define LOCK_SH         1       /* shared lock */
  59#define LOCK_EX         2       /* exclusive lock */
  60#define LOCK_NB         4       /* or'd with one of the above to prevent
  61                                   blocking */
  62#define LOCK_UN         8       /* remove lock */
  63
  64#define LOCK_MAND       32      /* This is a mandatory flock */
  65#define LOCK_READ       64      /* ... Which allows concurrent read operations */
  66#define LOCK_WRITE      128     /* ... Which allows concurrent write operations */
  67#define LOCK_RW         192     /* ... Which allows concurrent read & write ops */
  68
  69struct flock {
  70        short l_type;
  71        short l_whence;
  72        off_t l_start;
  73        off_t l_len;
  74        pid_t l_pid;
  75};
  76
  77struct flock64 {
  78        short  l_type;
  79        short  l_whence;
  80        loff_t l_start;
  81        loff_t l_len;
  82        pid_t  l_pid;
  83};
  84
  85#define F_LINUX_SPECIFIC_BASE   1024
  86#endif
  87