include/asm-mips/fcntl.h

   1 /* $Id: fcntl.h,v 1.4 1998/09/19 19:19:36 ralf Exp $
   2  *
   3  * This file is subject to the terms and conditions of the GNU General Public
   4  * License.  See the file "COPYING" in the main directory of this archive
   5  * for more details.
   6  *
   7  * Copyright (C) 1995, 1996, 1997, 1998 by Ralf Baechle
   8  */
   9 #ifndef __ASM_MIPS_FCNTL_H
  10 #define __ASM_MIPS_FCNTL_H
  11
  12 /* open/fcntl - O_SYNC is only implemented on blocks devices and on files
  13    located on an ext2 file system */
  14 #define O_ACCMODE       0x0003
  15 #define O_RDONLY        0x0000
  16 #define O_WRONLY        0x0001
  17 #define O_RDWR          0x0002
  18 #define O_APPEND        0x0008
  19 #define O_SYNC          0x0010
  20 #define O_NONBLOCK      0x0080
  21 #define O_CREAT         0x0100  /* not fcntl */
  22 #define O_TRUNC         0x0200  /* not fcntl */
  23 #define O_EXCL          0x0400  /* not fcntl */
  24 #define O_NOCTTY        0x0800  /* not fcntl */
  25 #define FASYNC          0x1000  /* fcntl, for BSD compatibility */
  26 #define O_LARGEFILE     0x2000  /* allow large file opens - currently ignored */
  27 #define O_DIRECT        0x8000  /* direct disk access hint - currently ignored */
  28 #define O_DIRECTORY     0x10000 /* must be a directory */
  29 #define O_NOFOLLOW      0x20000 /* don't follow links */
  30
  31 #define O_NDELAY        O_NONBLOCK
  32
  33 #define F_DUPFD         0       /* dup */
  34 #define F_GETFD         1       /* get close_on_exec */
  35 #define F_SETFD         2       /* set/clear close_on_exec */
  36 #define F_GETFL         3       /* get file->f_flags */
  37 #define F_SETFL         4       /* set file->f_flags */
  38 #define F_GETLK         14
  39 #define F_SETLK         6
  40 #define F_SETLKW        7
  41
  42 #define F_SETOWN        24      /*  for sockets. */
  43 #define F_GETOWN        23      /*  for sockets. */
  44 #define F_SETSIG        10      /*  for sockets. */
  45 #define F_GETSIG        11      /*  for sockets. */
  46
  47 /* for F_[GET|SET]FL */
  48 #define FD_CLOEXEC      1       /* actually anything with low bit set goes */
  49
  50 /* for posix fcntl() and lockf() */
  51 #define F_RDLCK         0
  52 #define F_WRLCK         1
  53 #define F_UNLCK         2
  54
  55 /* for old implementation of bsd flock () */
  56 #define F_EXLCK         4       /* or 3 */
  57 #define F_SHLCK         8       /* or 4 */
  58
  59 /* for leases */
  60 #define F_INPROGRESS    16
  61
  62 /* operations for bsd flock(), also used by the kernel implementation */
  63 #define LOCK_SH         1       /* shared lock */
  64 #define LOCK_EX         2       /* exclusive lock */
  65 #define LOCK_NB         4       /* or'd with one of the above to prevent                XXXXXXXXXXXXXXXXXX
  66                                    blocking */
  67 #define LOCK_UN         8       /* remove lock */
  68
  69 #define LOCK_MAND       32      /* This is a mandatory flock */
  70 #define LOCK_READ       64      /* ... Which allows concurrent read operations */
  71 #define LOCK_WRITE      128     /* ... Which allows concurrent write operations */
  72 #define LOCK_RW         192     /* ... Which allows concurrent read & write ops */
  73
  74 typedef struct flock {
  75         short l_type;
  76         short l_whence;
  77         __kernel_off_t l_start;
  78         __kernel_off_t l_len;
  79         long  l_sysid;                  /* XXXXXXXXXXXXXXXXXXXXXXXXX */
  80         __kernel_pid_t l_pid;
  81         long  pad[4];                   /* ZZZZZZZZZZZZZZZZZZZZZZZZZZ */
  82 } flock_t;
  83
  84 #define F_LINUX_SPECIFIC_BASE   1024
  85 #endif /* __ASM_MIPS_FCNTL_H */