include/asm-xtensa/fcntl.h

   1 /*
   2  * include/asm-xtensa/fcntl.h
   3  *
   4  * This file is subject to the terms and conditions of the GNU General Public
   5  * License.  See the file "COPYING" in the main directory of this archive
   6  * for more details.
   7  *
   8  * Copyright (C) 1995, 1996, 1997, 1998 by Ralf Baechle
   9  * Copyright (C) 2001 - 2005 Tensilica Inc.
  10  */
  11
  12 #ifndef _XTENSA_FCNTL_H
  13 #define _XTENSA_FCNTL_H
  14
  15 /* open/fcntl - O_SYNC is only implemented on blocks devices and on files
  16    located on an ext2 file system */
  17 #define O_ACCMODE          0003
  18 #define O_RDONLY             00
  19 #define O_WRONLY             01
  20 #define O_RDWR               02
  21 #define O_CREAT            0100 /* not fcntl */
  22 #define O_EXCL             0200 /* not fcntl */
  23 #define O_NOCTTY           0400 /* not fcntl */
  24 #define O_TRUNC           01000 /* not fcntl */
  25 #define O_APPEND          02000
  26 #define O_NONBLOCK        04000
  27 #define O_NDELAY        O_NONBLOCK
  28 #define O_SYNC           010000
  29 #define FASYNC           020000 /* fcntl, for BSD compatibility */
  30 #define O_DIRECT         040000 /* direct disk access hint */
  31 #define O_LARGEFILE     0100000
  32 #define O_DIRECTORY     0200000 /* must be a directory */
  33 #define O_NOFOLLOW      0400000 /* don't follow links */
  34 #define O_NOATIME       01000000
  35
  36 #define F_DUPFD         0       /* dup */
  37 #define F_GETFD         1       /* get close_on_exec */
  38 #define F_SETFD         2       /* set/clear close_on_exec */
  39 #define F_GETFL         3       /* get file->f_flags */
  40 #define F_SETFL         4       /* set file->f_flags */
  41 #define F_GETLK         5
  42 #define F_SETLK         6
  43 #define F_SETLKW        7
  44
  45 #define F_SETOWN        8       /*  for sockets. */
  46 #define F_GETOWN        9       /*  for sockets. */
  47 #define F_SETSIG        10      /*  for sockets. */
  48 #define F_GETSIG        11      /*  for sockets. */
  49
  50 #define F_GETLK64       12      /*  using 'struct flock64' */
  51 #define F_SETLK64       13
  52 #define F_SETLKW64      14
  53
  54 /* for F_[GET|SET]FL */
  55 #define FD_CLOEXEC      1       /* actually anything with low bit set goes */
  56
  57 /* for posix fcntl() and lockf() */
  58 #define F_RDLCK         0
  59 #define F_WRLCK         1
  60 #define F_UNLCK         2
  61
  62 /* for old implementation of bsd flock () */
  63 #define F_EXLCK         4       /* or 3 */
  64 #define F_SHLCK         8       /* or 4 */
  65
  66 /* for leases */
  67 #define F_INPROGRESS    16
  68
  69 /* operations for bsd flock(), also used by the kernel implementation */
  70 #define LOCK_SH         1       /* shared lock */
  71 #define LOCK_EX         2       /* exclusive lock */
  72 #define LOCK_NB         4       /* or'd with one of the above to prevent
  73                                    blocking */
  74 #define LOCK_UN         8       /* remove lock */
  75
  76 #define LOCK_MAND       32      /* This is a mandatory flock */
  77 #define LOCK_READ       64      /* ... Which allows concurrent read operations */
  78 #define LOCK_WRITE      128     /* ... Which allows concurrent write operations */
  79 #define LOCK_RW         192     /* ... Which allows concurrent read & write ops */
  80
  81 struct flock {
  82         short l_type;
  83         short l_whence;
  84         off_t l_start;
  85         off_t l_len;
  86         pid_t l_pid;
  87 };
  88
  89 struct flock64 {
  90         short  l_type;
  91         short  l_whence;
  92         loff_t l_start;
  93         loff_t l_len;
  94         pid_t  l_pid;
  95 };
  96
  97 #define F_LINUX_SPECIFIC_BASE   1024
  98
  99 #endif /* _XTENSA_FCNTL_H */