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annotate packages/io/fileio/current/ChangeLog @ 134:d2f49caf9e38 ecos-sw-2000-11-03

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Merge from eCos master repository on 2000-11-03-09:00:49-GMT
author jlarmour
date Fri, 03 Nov 2000 21:17:40 +0000
parents eb9fd8c04db3
children 2e9a636d9de9
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1 2000-11-01 Jonathan Larmour <jlarmour@redhat.com>
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2
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3 * src/io.cxx (readwrite): Ensure we call FILEIO_RETURN_VALUE() to
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4 get correct cleanup
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5 (fpathconf): Ditto
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6 (lseek): Ditto
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7
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8 * src/file.cxx (open): If applicable, refer to stdin, stdout and stderr
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9 here to ensure they are pulled in, in case selective linking would
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10 otherwise eliminate them. This is to ensure they get allocated to
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11 fd's 0, 1 and 2.
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12
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13 2000-10-13 Nick Garnett <nickg@cygnus.co.uk>
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14
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15 * src/io.cxx (readwrite): Merged both read() and write() functions
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16 into this single common routine.
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17
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18 * include/fileio.h: Introduced a common typedef for both read and
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19 write operations.
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20
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21 * doc/fileio.txt: Added some text about getcwd() and tidied up
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22 some other parts.
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23
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24 2000-10-05 Nick Garnett <nickg@cygnus.co.uk>
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25
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26 * src/file.cxx: Added support for getcwd(). There are three
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27 mechanisms provided here. The first is to use the FS_INFO_GETCWD
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28 key on the filesystem to use any support it has for this. If that
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29 fails it falls back on one of the two other mechanisms. If
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30 CYGPKG_IO_FILEIO_TRACK_CWD is set then the current directory is
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31 tracked textually in chdir() and the result of that is reported in
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32 getcwd(). Otherwise an attempt is made to traverse the directory
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33 tree to its root using ".." entries. This last option is
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34 complicated and expensive, so the other two mechanisms are to be
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35 preferred if possible.
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36
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37 * include/fileio.h: Added FS_INFO_GETCWD gtinfo option and a
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38 matching struct cyg_getcwd_info. These are used to access getcwd()
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39 support in a filesystem.
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40
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41 * src/fio.h: Added initial support for POSIX API function entry
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42 and return.
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43
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44 * cdl/fileio.cdl: Added CYGPKG_IO_FILEIO_TRACK_CWD option to
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45 enable current directory tracking.
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46
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47 2000-09-28 Nick Garnett <nickg@cygnus.co.uk>
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48
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49 * src/select.cxx (cyg_selwakeup):
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50 Removed test for whether the waiting thread is actually waiting
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51 for this event. This lead to a race condition when the thread is
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52 still polling other objects but has already checked this
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53 event. Now all waiting selectors are woken up by each selectable
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54 event.
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55
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56 2000-09-18 Jonathan Larmour <jlarmour@redhat.com>
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57
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58 * src/select.cxx: Apply constructor prioritization to mutexes and
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59 condition variables
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60 * src/fd.cxx: Ditto
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61
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62 2000-09-11 Jonathan Larmour <jlarmour@redhat.com>
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63
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64 * tests/select.c: NA if no POSIX package
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65
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66 * cdl/fileio.cdl: Set CYGBLD_ISO_OPEN_MAX_HEADER to this package's
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67 limits.h
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68 * include/limits.h: New file to define OPEN_MAX (and other things in
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69 future)
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70
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71 2000-09-08 Nick Garnett <nickg@cygnus.co.uk>
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72
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73 * include/fileio.h:
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74 Removed spaces from arguments to CYG_HAL_TABLE_ENTRY().
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75
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76 2000-09-04 Jonathan Larmour <jlarmour@redhat.com>
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77
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78 * include/sockio.h (struct cyg_nstab_entry): Apply CYG_HAL_TABLE_TYPE
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79 * include/fileio.h (struct cyg_mtab_entry): Ditto
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80 (FSTAB_ENTRY): Ditto
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81
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82 2000-08-31 Nick Garnett <nickg@cygnus.co.uk>
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83
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84 * src/select.cxx (select): Added scheduler unlock in timeout
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85 return case.
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86
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87 2000-08-22 Jonathan Larmour <jlarmour@redhat.co.uk>
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88
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89 * doc/fileio.txt: Add Nick's text description of plug-in filesystems
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90 and sockets here for now.
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91
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92 2000-08-18 Nick Garnett <nickg@cygnus.co.uk>
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93
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94 * include/fileio.h: Added CYG_FAPPEND flag for preservation in
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95 file object flags.
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96 Added prototype for cyg_timestamp().
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97
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98 * src/misc.cxx: Fixed bug in cyg_mtab_lookup() when dealing with
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99 empty mount table entries.
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100 Added cyg_timestamp() to provide timestamp support to client
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101 filesystems.
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102
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103 2000-08-09 Jonathan Larmour <jlarmour@redhat.co.uk>
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104
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105 * src/misc.cxx: Don't define own strcmp() function (which had a bug
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106 anyway). Use string.h.
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107 * cdl/fileio.cdl: requires ISO C string functions
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108
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109 2000-08-01 Jonathan Larmour <jlarmour@redhat.co.uk>
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110
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111 * src/misc.cxx: Use correct initializer for mtab_extra
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112
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113 * src/fio.h (FILEIO_RETURN_VOID): Surround in CYG_MACRO_START to
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114 prevent problems when used with one-line if.
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115 (FILEIO_RETURN_VALUE): Likewise
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116
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117 * include/fileio.h: Make getinfo/setinfo take void *bufs, not char *
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118 for easier casting (and more correct)
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119
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120 * tests/testfs.c: Likewise
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121
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122 * src/devfs.cxx: Likewise.
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123 Also fix bug with Nick's change below that set non-blocking mode
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124 in all cases.
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125
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126 2000-07-31 Nick Garnett <nickg@cygnus.co.uk>
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127
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128 * src/devfs.cxx (dev_open): Added support for O_NONBLOCK.
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129
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130 2000-07-27 Nick Garnett <nickg@cygnus.co.uk>
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132 * tests/select.c: Wrapped include of pkgconf/io_serial.h in
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133 #ifdef CYGPKG_IO_SERIAL.
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135 2000-07-25 Jonathan Larmour <jlarmour@redhat.co.uk>
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136
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137 * tests/select.c (main): Wrap call to init_all_network_interfaces()
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138 in #ifdef TEST_NET
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139
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140 2000-07-25 Nick Garnett <nickg@cygnus.co.uk>
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141
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142 * tests/select.c (main): Added call to
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143 init_all_network_interfaces().
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144
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145 2000-07-21 Nick Garnett <nickg@cygnus.co.uk>
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146
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147 * include/fileio.h:
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148 * src/file.cxx:
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149 * src/devfs.cxx:
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150 * tests/testfs.c:
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151 Added support for link() API call. This was the only major file
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152 operation omitted.
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153
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154 2000-07-20 Nick Garnett <nickg@cygnus.co.uk>
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155
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156 * include/fileio.h: Added some modes for fsync().
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157
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158 * src/file.cxx: Added access() function.
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159
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160 * src/io.cxx: Added fdatasync() and isatty().
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161
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162 * src/devfs.cxx: Added fsync() support.
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163
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164 * tests/fileio1.c: Added calls to access() to check (non-)existence
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165 of files where appropriate.
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166
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167 2000-07-13 Nick Garnett <nickg@cygnus.co.uk>
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168
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169 * src/select.cxx (select): Fixed return value when timing out. Now
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170 returns zero and no error, it used to return -1 and ETIMEDOUT.
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171
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172 * src/io.cxx: Fixed fsync() to match standard.
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173
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174 * src/devfs.cxx:
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175 Added lseek() support - all devices are always at position
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176 zero. Added [f]stat() support - currently just fills in the stat
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177 buffer with some predefined values. When we have more
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178 sophisticated devices this may need to be improved.
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179
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180 * tests/testfs.c (testfs_open): Added support for O_TRUNC open
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181 flag.
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182
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183 * tests/stdio.c:
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184 * cdl/fileio.cdl:
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185 Added stdio.c to test C library IO integration. This does not test
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186 the C library functionality, just that it works with the fileio
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187 package in certain limited ways.
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188
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189 2000-06-30 Nick Garnett <nickg@cygnus.co.uk>
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190
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191 * src/misc.cxx: Fixed definition of mtab_extra[] so that it gets
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192 emitted correctly into the object file.
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193
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194 * tests/testfs.c:
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195 Added support for dynamic mount()/umount().
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196 Added testfs_dump() to report state of filesystem, and to do a
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197 little consistency checking.
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198
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199 * tests/fileio1.c: Extended testing to mount() and maximum file
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200 sizes.
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201
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202 2000-06-28 Nick Garnett <nickg@cygnus.co.uk>
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203
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204 * include/dirent.h: Added this file to contain directory support
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205 definitions.
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206
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207 * include/fileio.h:
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208 Introduced separate typedefs for all operation functions.
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209 Added CYG_FDIR to mark directory streams.
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210 Added some default operation functions.
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211
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212 * src/fio.h (FILEIO_RETURN_VOID): Added this macro.
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213
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214 * src/dir.cxx: Added this file to contain directory listing API
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215 functions.
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216
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217 * src/misc.cxx:
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218 Added default operation functions.
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219
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220 * src/file.cxx:
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221 Fixed mkdir() to have correct prototype.
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222 Moved opendir() to dir.cxx.
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223 Added support in chdir() for deregistering the current directory.
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224
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225 * cdl/fileio.cdl: Added dev.cxx to compile list. Added support for
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226 dirent.h implementation.
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227
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228 * tests/testfs.c: Lots of changes towards a more complete
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229 implementation.
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230
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231 * tests/select.c: Changed SHOW_RESULT() message a little. Fixed up
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232 some warnings when no testing is possible.
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233
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234 * tests/fileio1.c:
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235 Largely rewritten to do more complete testing.
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236
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237 2000-06-19 Nick Garnett <nickg@cygnus.co.uk>
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238
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239 * src/select.cxx: Added selwake_count variable to count select
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240 wakeups. This allows us to avoid sleeping when a selectee calls
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241 cyg_selwakeup() while we are still scanning the FD sets.
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242
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243 * include/fileio.h:
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244 * include/sockio.h:
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245 * src/misc.cxx:
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246 * src/socket.cxx:
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247 Converted tables to new mechanism.
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248
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249 * tests/select.c: Reduced buffer size to avoid buffer overflow in
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250 serial devices.
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251
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252 2000-06-15 Nick Garnett <nickg@cygnus.co.uk>
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253
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254 * include/fileio.h:
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255 Added typedef for cyg_selinfo.
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256 Added umount to fstab entry structure.
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257 Added mount() and unmount() prototypes.
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258 Added const in various places.
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259 Changed some types from CYG_ADDRWORD to their ISO standard
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260 equivalents.
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261 Added si_thread field to cyg_selinfo structure, added
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262 cyg_selinit() prototype.
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263
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264 * src/socket.cxx: Converted an errant LOCK_NS() into the
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265 UNLOCK_NS() it should be.
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266
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267 * src/select.cxx:
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268 Added cyg_selinit() which must be called by all selectees at
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269 initialization to prepare a cyg_selinfo structure for use.
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270 Modified cyg_selwakeup() to minimize the number for actual wakeup
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271 operations it actually performs.
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272
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273 * src/misc.cxx:
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274 Added mtab_extra[] to contain dynamic mount table entries,
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275 modified startup scan of mtab to cope with this.
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276 changed matchlen() to cope with "/" mountpoint, this function is
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277 rapidly ceasing to be the neat bit of code it started out as.
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278 Added implementations of mount() and umount().
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279
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280 * src/devfs.cxx: Added dev_umount, various minor tweaks.
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281
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282 * cdl/fileio.cdl: Added CYGNUM_FILEIO_MTAB_EXTRA to define how
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283 many extra mount table entries should exist for dynamic mounts.
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284 Added select.c to list of tests.
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285
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286 * tests/select.c: Added this file to test select() functionality
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287 on both sockets and (serial) devices.
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288
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289 * tests/socket.c: Tidied some compilation warnings.
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290
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291 * tests/testfs.c: Added umount stub function.
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292
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293 2000-06-12 Nick Garnett <nickg@cygnus.co.uk>
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294
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295 * include/sockio.h:
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296 * include/fileio.h:
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297 * src/fio.h:
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298 * tests/testfs.c:
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299 * src/socket.cxx:
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300 * src/misc.cxx:
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301 * src/file.cxx:
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302 * src/fd.cxx:
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303 * src/io.cxx:
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304 * src/devfs.cxx:
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305 Tidied up and sorted out locking protocols and synchronization
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306 mechanisms.
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307
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308 2000-06-09 Nick Garnett <nickg@cygnus.co.uk>
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309
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310 * src/select.cxx:
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311 * src/devfs.cxx:
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312 * include/fileio.h:
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313 * tests/testfs.c:
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314 Added select() support.
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315
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316 * src/socket.cxx: Fixed a resource management bug in accept().
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317
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318 * tests/socket.c: Extended to test that all API calls work, at
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319 least minimally, as they should. Still some calls to add here.
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320
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321 2000-06-07 Nick Garnett <nickg@cygnus.co.uk>
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322
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323 * tests/socket.c: Simple socket API test program. Needs much more
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324 work to give full coverage.
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325
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326 * src/socket.cxx: Filled in some implementations. Changed some
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327 type specifications.
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328
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329 * src/select.cxx: Added this file to contain select()
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330 implementation. At present it does nothing.
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331
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332 * include/sockio.h:
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333 Added definition of socklen_t for use when the NET package is
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334 absent - just so this file compiles.
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335 Added macro to generate an nstab entry.
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336 Changed prototypes of socket operation ffunctions to better match
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337 both API definition and BSD stack implementation.
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338
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339 * cdl/fileio.cdl: Added support for socket API. This is only
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340 active if the NET package is present.
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341 Added initial socket API test program.
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342
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343 2000-06-02 Nick Garnett <nickg@cygnus.co.uk>
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344
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345 * src/socket.cxx:
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346 Added this file to implement socket interface. This is still a
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347 rough draft that has not yet been tested.
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348
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349 * src/misc.cxx:
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350 * src/io.cxx:
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351 * src/fio.h: Various minor changes and bug fixes.
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352
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353 * src/file.cxx: Various bug fixes. Added pathconf().
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354
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355 * src/fd.cxx: Various changes and bug fixes, mostly in the
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356 handling of the locking mechanisms.
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357
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358 * src/devfs.cxx: Added this filesystem to interface to the device
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359 IO subsystem. Not yet tested.
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360
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361 * include/sockio.h: Various minor changes prompted by
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362 implementation.
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363
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364 * include/fileio.h:
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365 Added macros to instantiate filesystem and mount table entries.
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366 Added mode mask for setting up f_flags.
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367 Changed file object types, added device type.
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368
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369 * cdl/fileio.cdl:
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370 Added some extra files to compile. Some now go in libextras.
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371 Added table maxima for fstab, mtab and nstab.
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372 Added tests.
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373
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374 * tests/fileio1.c: Added this simple test for the fileio
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375 infrastructure.
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376
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377 * tests/testfs.c:
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378 Created this simple ROM filesystem to test out the fileio
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379 infrastructure. This is not really usable for anything other than
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380 this, and should not be used in "production" systems. Hence its
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381 presence in tests rather than src.
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382 At present this only has support for open(), close(), read(),
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383 write(), lseek() and unlink(). Other parts will be implemented as
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384 and when required.
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385
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386 2000-05-31 Nick Garnett <nickg@cygnus.co.uk>
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387
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388 * src/fio.h:
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389 * src/file.cxx:
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390 * src/io.cxx:
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391 * src/misc.cxx:
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392 Roughed out most of the file IO infrastructure. While this code
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393 compiles, none of it has actually been executed yet. A lot of this
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394 was cut-and-paste-and-edit, so some minor blemishes are to be
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395 expected.
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396
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397 * src/fd.cxx: Several modifications in response to implementing
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398 rest of infrastructure. Added dup() and dup2() API routines.
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399
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400 * include/fileio.h: Many changes and tidies prompted by
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401 infrastructure implementation.
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402
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403 * cdl/fileio.cdl: Added "implements" directives for isoinfra
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404 interfaces. Extended compile to new files.
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405
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406 2000-05-26 Nick Garnett <nickg@cygnus.co.uk>
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407
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408 * include/fileio.h:
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409 * include/sockio.h:
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410 * src/fd.cxx:
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411 * cdl/fileio.cdl:
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412 Created these files as a start at defining the file IO package.
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413 There is still a lot to do here, so expect radical changes to all
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414 of these files in the near future.