include/asm-nios2nommu/fcntl.h

   1 /*
   2  * This file came from the m68k port.
   3  *
   4  * Copyright (C) 2004 Microtronix Datacom Ltd.
   5  *
   6  * All rights reserved.
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
  16  * NON INFRINGEMENT.  See the GNU General Public License for more
  17  * details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22  *
  23  */
  24 #ifndef _NIOS2_FCNTL_H
  25 #define _NIOS2_FCNTL_H
  26
  27 /* open/fcntl - O_SYNC is only implemented on blocks devices and on files
  28    located on an ext2 file system */
  29 #define O_ACCMODE         0003
  30 #define O_RDONLY            00
  31 #define O_WRONLY            01
  32 #define O_RDWR              02
  33 #define O_CREAT           0100  /* not fcntl */
  34 #define O_EXCL            0200  /* not fcntl */
  35 #define O_NOCTTY          0400  /* not fcntl */
  36 #define O_TRUNC          01000  /* not fcntl */
  37 #define O_APPEND         02000
  38 #define O_NONBLOCK       04000
  39 #define O_NDELAY        O_NONBLOCK
  40 #define O_SYNC          010000
  41 #define FASYNC          020000  /* fcntl, for BSD compatibility */
  42 #define O_DIRECTORY     040000  /* must be a directory */
  43 #define O_NOFOLLOW      0100000 /* don't follow links */
  44 #define O_DIRECT        0200000 /* direct disk access hint - currently ignored */
  45 #define O_LARGEFILE     0400000
  46 #define O_NOATIME       01000000
  47
  48 #define F_DUPFD         0       /* dup */
  49 #define F_GETFD         1       /* get close_on_exec */
  50 #define F_SETFD         2       /* set/clear close_on_exec */
  51 #define F_GETFL         3       /* get file->f_flags */
  52 #define F_SETFL         4       /* set file->f_flags */
  53 #define F_GETLK         5
  54 #define F_SETLK         6
  55 #define F_SETLKW        7
  56
  57 #define F_SETOWN        8       /*  for sockets. */
  58 #define F_GETOWN        9       /*  for sockets. */
  59 #define F_SETSIG        10      /*  for sockets. */
  60 #define F_GETSIG        11      /*  for sockets. */
  61
  62 #define F_GETLK64       12      /*  using 'struct flock64' */
  63 #define F_SETLK64       13
  64 #define F_SETLKW64      14
  65
  66 /* for F_[GET|SET]FL */
  67 #define FD_CLOEXEC      1       /* actually anything with low bit set goes */
  68
  69 /* for posix fcntl() and lockf() */
  70 #define F_RDLCK         0
  71 #define F_WRLCK         1
  72 #define F_UNLCK         2
  73
  74 /* for old implementation of bsd flock () */
  75 #define F_EXLCK         4       /* or 3 */
  76 #define F_SHLCK         8       /* or 4 */
  77
  78 /* for leases */
  79 #define F_INPROGRESS    16
  80
  81 /* operations for bsd flock(), also used by the kernel implementation */
  82 #define LOCK_SH         1       /* shared lock */
  83 #define LOCK_EX         2       /* exclusive lock */
  84 #define LOCK_NB         4       /* or'd with one of the above to prevent
  85                                    blocking */
  86 #define LOCK_UN         8       /* remove lock */
  87
  88 #define LOCK_MAND       32      /* This is a mandatory flock */
  89 #define LOCK_READ       64      /* ... Which allows concurrent read operations */
  90 #define LOCK_WRITE      128     /* ... Which allows concurrent write operations */
  91 #define LOCK_RW         192     /* ... Which allows concurrent read & write ops */
  92
  93 struct flock {
  94         short l_type;
  95         short l_whence;
  96         off_t l_start;
  97         off_t l_len;
  98         pid_t l_pid;
  99 };
 100
 101 struct flock64 {
 102         short  l_type;
 103         short  l_whence;
 104         loff_t l_start;
 105         loff_t l_len;
 106         pid_t  l_pid;
 107 };
 108
 109 #define F_LINUX_SPECIFIC_BASE   1024
 110 #endif /* _NIOS2_FCNTL_H */