sysdeps/mach/hurd/bits/stat.h

   1 /* Copyright (C) 1992,93,94,96,97,99,2000,2005 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #ifndef _SYS_STAT_H
  20 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
  21 #endif
  22
  23 #include <bits/types.h>
  24
  25 /* NOTE: The size of this structure (32 ints) is known in
  26    <hurd/hurd_types.defs>, since it is used in the `io_stat' RPC.  MiG
  27    does not cope at all well with the passed C structure not being of
  28    the expected size.  There are some filler words at the end to allow
  29    for future expansion.  To increase the size of the structure used
  30    in the RPC and retain binary compatibility, we would need to assign
  31    a new message number.  */
  32
  33 struct stat
  34   {
  35     int st_fstype;              /* File system type.  */
  36     __fsid_t st_fsid;           /* File system ID.  */
  37 #define st_dev  st_fsid
  38
  39 #ifndef __USE_FILE_OFFSET64
  40     __ino_t st_ino;             /* File number.  */
  41 #else
  42     __ino64_t st_ino;           /* File number.  */
  43 #endif
  44     unsigned int st_gen;        /* To detect reuse of file numbers.  */
  45     __dev_t st_rdev;            /* Device if special file.  */
  46     __mode_t st_mode;           /* File mode.  */
  47     __nlink_t st_nlink;         /* Number of links.  */
  48
  49     __uid_t st_uid;             /* Owner.  */
  50     __gid_t st_gid;             /* Owning group.  */
  51
  52 #ifndef __USE_FILE_OFFSET64
  53     __off_t st_size;            /* Size in bytes.  */
  54 #else
  55     __off64_t st_size;          /* Size in bytes.  */
  56 #endif
  57
  58     __time_t st_atime;          /* Access time, seconds */
  59     unsigned long int st_atime_usec; /* and microseconds.  */
  60     __time_t st_mtime;          /* Modification time, seconds */
  61     unsigned long int st_mtime_usec; /* and microseconds.  */
  62     __time_t st_ctime;          /* Status change time, seconds */
  63     unsigned long int st_ctime_usec; /* and microseconds.  */
  64
  65     __blksize_t st_blksize;     /* Optimal size for I/O.  */
  66
  67 #ifndef __USE_FILE_OFFSET64
  68     __blkcnt_t st_blocks;       /* Number of 512-byte blocks allocated.
  69                                    Not related to `st_blksize'.  */
  70 #else
  71     __blkcnt64_t st_blocks;     /* Number of 512-byte blocks allocated.
  72                                    Not related to `st_blksize'.  */
  73 #endif
  74
  75     __uid_t st_author;          /* File author.  */
  76
  77     unsigned int st_flags;      /* User-defined flags.
  78                                    High 16 bits can be set only by root.  */
  79
  80 #ifndef __USE_FILE_OFFSET64
  81 # define _SPARE_SIZE    ((sizeof (__fsid_t) == sizeof (int)) ? 12 : 11)
  82 #else
  83 # define _SPARE_SIZE    ((sizeof (__fsid_t) == sizeof (int)) ? 9 : 8)
  84 #endif
  85     int st_spare[_SPARE_SIZE];  /* Room for future expansion.  */
  86 #undef _SPARE_SIZE
  87   };
  88
  89 #ifdef __USE_LARGEFILE64
  90 struct stat64
  91   {
  92     int st_fstype;              /* File system type.  */
  93     __fsid_t st_fsid;           /* File system ID.  */
  94 # define st_dev st_fsid
  95
  96     __ino64_t st_ino;           /* File number.  */
  97     unsigned int st_gen;        /* To detect reuse of file numbers.  */
  98     __dev_t st_rdev;            /* Device if special file.  */
  99     __mode_t st_mode;           /* File mode.  */
 100     __nlink_t st_nlink;         /* Number of links.  */
 101
 102     __uid_t st_uid;             /* Owner.  */
 103     __gid_t st_gid;             /* Owning group.  */
 104
 105     __off64_t st_size;          /* Size in bytes.  */
 106
 107     __time_t st_atime;          /* Access time, seconds */
 108     unsigned long int st_atime_usec; /* and microseconds.  */
 109     __time_t st_mtime;          /* Modification time, seconds */
 110     unsigned long int st_mtime_usec; /* and microseconds.  */
 111     __time_t st_ctime;          /* Status change time, seconds */
 112     unsigned long int st_ctime_usec; /* and microseconds.  */
 113
 114     __blksize_t st_blksize;     /* Optimal size for I/O.  */
 115
 116     __blkcnt64_t st_blocks;     /* Number of 512-byte blocks allocated.
 117                                    Not related to `st_blksize'.  */
 118
 119     __uid_t st_author;          /* File author.  */
 120
 121     unsigned int st_flags;      /* User-defined flags.
 122                                    High 16 bits can be set only by root.  */
 123
 124 #define _SPARE_SIZE     ((sizeof (__fsid_t) == sizeof (int)) ? 9 : 8)
 125     int st_spare[_SPARE_SIZE];  /* Room for future expansion.  */
 126 #undef _SPARE_SIZE
 127   };
 128 #endif
 129
 130 #define _STATBUF_ST_BLKSIZE     /* Tell code we have this member.  */
 131
 132 /* Encoding of the file mode.  */
 133
 134 #define __S_IFMT        0170000 /* These bits determine file type.  */
 135
 136 /* File types.  */
 137 #define __S_IFDIR       0040000 /* Directory.  */
 138 #define __S_IFCHR       0020000 /* Character device.  */
 139 #define __S_IFBLK       0060000 /* Block device.  */
 140 #define __S_IFREG       0100000 /* Regular file.  */
 141 #define __S_IFLNK       0120000 /* Symbolic link.  */
 142 #define __S_IFSOCK      0140000 /* Socket.  */
 143 #define __S_IFIFO       0010000 /* FIFO.  */
 144
 145 /* POSIX.1b objects.  */
 146 #define __S_TYPEISMQ(buf) (0)
 147 #define __S_TYPEISSEM(buf) (0)
 148 #define __S_TYPEISSHM(buf) (0)
 149
 150 /* Protection bits.  */
 151
 152 #define __S_ISUID       04000   /* Set user ID on execution.  */
 153 #define __S_ISGID       02000   /* Set group ID on execution.  */
 154 #define __S_ISVTX       01000   /* Save swapped text after use (sticky).  */
 155 #define __S_IREAD       00400   /* Read by owner.  */
 156 #define __S_IWRITE      00200   /* Write by owner.  */
 157 #define __S_IEXEC       00100   /* Execute by owner.  */
 158
 159
 160 #ifdef  __USE_GNU
 161 /* If set, there is no benefit in caching the contents of this file.  */
 162 #define S_INOCACHE      000000200000
 163
 164 /* If the S_IUSEUNK bit is set, then the S_IUNKNOWN bits (see below)
 165    control access for unknown users.  If S_IUSEUNK is clear, then unknown
 166    users are treated as "others" for purposes of access control.  */
 167 #define S_IUSEUNK       000000400000
 168 /* Mask of protection bits for unknown users (no effective IDs at all).  */
 169 #define S_IUNKNOWN      000007000000
 170 /* Shift S_IREAD, S_IWRITE, S_IEXEC left this many bits to produce the
 171    protection bits for unknown users.  */
 172 #define S_IUNKSHIFT     12
 173
 174 /* Read only bits: */
 175
 176 /* There is a passive translator set for this file */
 177 #define S_IPTRANS       000010000000
 178 /* There is an active translator running on this file */
 179 #define S_IATRANS       000020000000
 180 /* This is the root of a filesystem (or single node translator) */
 181 #define S_IROOT         000040000000
 182 /* All the bits relevant to translators */
 183 #define S_ITRANS        000070000000
 184
 185 /* Definitely no mmaps to this.  */
 186 #define S_IMMAP0        000100000000
 187
 188 /* ALL the unused bits.  */
 189 #define S_ISPARE        (~(S_IFMT|S_ITRANS|S_INOCACHE|S_IMMAP0|    \
 190                            S_IUSEUNK|S_IUNKNOWN|07777))
 191 #endif
 192
 193 /* Default file creation mask (umask).  */
 194 #ifdef  __USE_BSD
 195 #define CMASK           0022
 196 #endif