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

   1/*
   2 * This file is subject to the terms and conditions of the GNU General Public
   3 * License.  See the file "COPYING" in the main directory of this archive
   4 * for more details.
   5 *
   6 * Copyright (C) 1995, 1996, 1997, 1998 by Ralf Baechle
   7 */
   8#ifndef __ASM_FCNTL_H
   9#define __ASM_FCNTL_H
  10
  11/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
  12   located on an ext2 file system */
  13#define O_ACCMODE       0x0003
  14#define O_RDONLY        0x0000
  15#define O_WRONLY        0x0001
  16#define O_RDWR          0x0002
  17#define O_APPEND        0x0008
  18#define O_SYNC          0x0010
  19#define O_NONBLOCK      0x0080
  20#define O_CREAT         0x0100  /* not fcntl */
  21#define O_TRUNC         0x0200  /* not fcntl */
  22#define O_EXCL          0x0400  /* not fcntl */
  23#define O_NOCTTY        0x0800  /* not fcntl */
  24#define FASYNC          0x1000  /* fcntl, for BSD compatibility */
  25#define O_LARGEFILE     0x2000  /* allow large file opens */
  26#define O_DIRECT        0x8000  /* direct disk access hint */
  27#define O_DIRECTORY     0x10000 /* must be a directory */
  28#define O_NOFOLLOW      0x20000 /* don't follow links */
  29
  30#define O_NDELAY        O_NONBLOCK
  31
  32#define F_DUPFD         0       /* dup */
  33#define F_GETFD         1       /* get close_on_exec */
  34#define F_SETFD         2       /* set/clear close_on_exec */
  35#define F_GETFL         3       /* get file->f_flags */
  36#define F_SETFL         4       /* set file->f_flags */
  37#define F_GETLK         14
  38#define F_SETLK         6
  39#define F_SETLKW        7
  40
  41#define F_SETOWN        24      /*  for sockets. */
  42#define F_GETOWN        23      /*  for sockets. */
  43#define F_SETSIG        10      /*  for sockets. */
  44#define F_GETSIG        11      /*  for sockets. */
  45
  46#define F_GETLK64       33      /*  using 'struct flock64' */
  47#define F_SETLK64       34
  48#define F_SETLKW64      35
  49
  50/* for F_[GET|SET]FL */
  51#define FD_CLOEXEC      1       /* actually anything with low bit set goes */
  52
  53/* for posix fcntl() and lockf() */
  54#define F_RDLCK         0
  55#define F_WRLCK         1
  56#define F_UNLCK         2
  57
  58/* for old implementation of bsd flock () */
  59#define F_EXLCK         4       /* or 3 */
  60#define F_SHLCK         8       /* or 4 */
  61
  62/* for leases */
  63#define F_INPROGRESS    16
  64
  65/* operations for bsd flock(), also used by the kernel implementation */
  66#define LOCK_SH         1       /* shared lock */
  67#define LOCK_EX         2       /* exclusive lock */
  68#define LOCK_NB         4       /* or'd with one of the above to prevent
  69                                   blocking */
  70#define LOCK_UN         8       /* remove lock */
  71
  72#define LOCK_MAND       32      /* This is a mandatory flock */
  73#define LOCK_READ       64      /* ... Which allows concurrent read operations */
  74#define LOCK_WRITE      128     /* ... Which allows concurrent write operations */
  75#define LOCK_RW         192     /* ... Which allows concurrent read & write ops */
  76
  77/*
  78 * The flavours of struct flock.  "struct flock" is the ABI compliant
  79 * variant.  Finally struct flock64 is the LFS variant of struct flock.  As
  80 * a historic accident and inconsistence with the ABI definition it doesn't
  81 * contain all the same fields as struct flock.
  82 */
  83
  84typedef struct flock {
  85        short   l_type;
  86        short   l_whence;
  87        __kernel_off_t l_start;
  88        __kernel_off_t l_len;
  89        long    l_sysid;
  90        __kernel_pid_t l_pid;
  91        long    pad[4];
  92} flock_t;
  93
  94typedef struct flock64 {
  95        short   l_type;
  96        short   l_whence;
  97        loff_t  l_start;
  98        loff_t  l_len;
  99        pid_t   l_pid;
 100} flock64_t;
 101
 102#define F_LINUX_SPECIFIC_BASE   1024
 103
 104#endif /* __ASM_FCNTL_H */
 105