include/asm-i386/fcntl.h

   1 #ifndef _I386_FCNTL_H
   2 #define _I386_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_DIRECT         040000 /* direct disk access hint */
  20 #define O_LARGEFILE     0100000
  21 #define O_DIRECTORY     0200000 /* must be a directory */
  22 #define O_NOFOLLOW      0400000 /* don't follow links */
  23 #define O_NOATIME       01000000
  24
  25 #define F_DUPFD         0       /* dup */
  26 #define F_GETFD         1       /* get close_on_exec */
  27 #define F_SETFD         2       /* set/clear close_on_exec */
  28 #define F_GETFL         3       /* get file->f_flags */
  29 #define F_SETFL         4       /* set file->f_flags */
  30 #define F_GETLK         5
  31 #define F_SETLK         6
  32 #define F_SETLKW        7
  33
  34 #define F_SETOWN        8       /*  for sockets. */
  35 #define F_GETOWN        9       /*  for sockets. */
  36 #define F_SETSIG        10      /*  for sockets. */
  37 #define F_GETSIG        11      /*  for sockets. */
  38
  39 #define F_GETLK64       12      /*  using 'struct flock64' */
  40 #define F_SETLK64       13
  41 #define F_SETLKW64      14
  42
  43 /* for F_[GET|SET]FL */
  44 #define FD_CLOEXEC      1       /* actually anything with low bit set goes */
  45
  46 /* for posix fcntl() and lockf() */
  47 #define F_RDLCK         0
  48 #define F_WRLCK         1
  49 #define F_UNLCK         2
  50
  51 /* for old implementation of bsd flock () */
  52 #define F_EXLCK         4       /* or 3 */
  53 #define F_SHLCK         8       /* or 4 */
  54
  55 /* for leases */
  56 #define F_INPROGRESS    16
  57
  58 /* operations for bsd flock(), also used by the kernel implementation */
  59 #define LOCK_SH         1       /* shared lock */
  60 #define LOCK_EX         2       /* exclusive lock */
  61 #define LOCK_NB         4       /* or'd with one of the above to prevent
  62                                    blocking */
  63 #define LOCK_UN         8       /* remove lock */
  64
  65 #define LOCK_MAND       32      /* This is a mandatory flock */
  66 #define LOCK_READ       64      /* ... Which allows concurrent read operations */
  67 #define LOCK_WRITE      128     /* ... Which allows concurrent write operations */
  68 #define LOCK_RW         192     /* ... Which allows concurrent read & write ops */
  69
  70 struct flock {
  71         short l_type;
  72         short l_whence;
  73         off_t l_start;
  74         off_t l_len;
  75         pid_t l_pid;
  76 };
  77
  78 struct flock64 {
  79         short  l_type;
  80         short  l_whence;
  81         loff_t l_start;
  82         loff_t l_len;
  83         pid_t  l_pid;
  84 };
  85
  86 #define F_LINUX_SPECIFIC_BASE   1024
  87
  88 #endif