annotate liboctave/oct-shlib.cc @ 5451:ed08548b9054

[project @ 2005-09-15 19:52:50 by jwe]
author jwe
date Thu, 15 Sep 2005 19:52:50 +0000
parents 4c8a2e4e0717
children ace8d8d26933
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1 /*
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2
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3 Copyright (C) 1999 John W. Eaton
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4
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5 This file is part of Octave.
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6
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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9 Free Software Foundation; either version 2, or (at your option) any
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10 later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, write to the Free
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19 Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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20 02110-1301, USA.
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21
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22 */
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23
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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24 #ifdef HAVE_CONFIG_H
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25 #include <config.h>
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26 #endif
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27
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28 #if defined (HAVE_SHL_LOAD_API)
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29 #include <cerrno>
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30 #include <cstring>
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31 #endif
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32
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33 #if defined (HAVE_DYLD_API)
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34 #include <mach-o/dyld.h>
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35 #endif
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36
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37 extern "C"
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38 {
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39 #if defined (HAVE_DLOPEN_API)
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40 #if defined (HAVE_DLFCN_H)
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41 #include <dlfcn.h>
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42 #else
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43 extern void *dlopen (const char *, int);
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44 extern const char *dlerror (void);
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45 extern void *dlsym (void *, const char *);
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46 extern int dlclose (void *);
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47 #endif
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48 #elif defined (HAVE_SHL_LOAD_API)
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49 #include <dl.h>
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50 #elif defined (HAVE_LOADLIBRARY_API)
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51 #include <windows.h>
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52 #endif
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53 }
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54
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55 #include "file-stat.h"
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56 #include "lo-error.h"
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57 #include "oct-shlib.h"
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58 #include "str-vec.h"
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59
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60 class
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61 octave_base_shlib : public octave_shlib
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62 {
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63 public:
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64
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65 octave_base_shlib (void)
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66 : octave_shlib (octave_xshlib ()), file (), fcn_names (),
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67 tm_loaded (static_cast<time_t> (0))
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68 { count = 1; }
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69
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70 octave_base_shlib (const std::string& f)
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71 : octave_shlib (octave_xshlib ()), file (f), fcn_names (),
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72 tm_loaded (static_cast<time_t> (0))
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73 { count = 1; }
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74
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75 ~octave_base_shlib (void) { }
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76
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77 void open (const std::string&, bool = false) { }
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78
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79 void *search (const std::string&, name_mangler = 0) { return 0; }
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80
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81 void close (octave_shlib::close_hook = 0) { }
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82
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83 bool remove (const std::string& fcn_name);
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84
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85 bool is_open (void) const { return false; }
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86
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87 bool is_out_of_date (void) const;
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88
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89 int number_of_functions_loaded (void) const { return fcn_names.length (); }
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90
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91 std::string file_name (void) const { return file; }
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92
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93 octave_time time_loaded (void) const { return tm_loaded; }
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94
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95 protected:
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96
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97 std::string file;
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98
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99 string_vector fcn_names;
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100
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101 octave_time tm_loaded;
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102
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103 void stamp_time (bool warn_future = false);
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104
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105 void add_to_fcn_names (const std::string& name);
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106
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107 void do_close_hook (octave_shlib::close_hook = 0);
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108
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109 void tabula_rasa (void);
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110
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111 // No copying!
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112
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113 octave_base_shlib (const octave_base_shlib&);
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114
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115 octave_base_shlib& operator = (const octave_base_shlib&);
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116 };
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117
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118 bool
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119 octave_base_shlib::remove (const std::string& fcn_name)
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120 {
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121 bool retval = false;
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122
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123 int n = number_of_functions_loaded ();
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124
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125 string_vector new_fcn_names (n);
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126
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127 int k = 0;
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128
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129 for (int i = 0; i < n; i++)
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130 {
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131 if (fcn_names(i) == fcn_name)
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132 retval = true;
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133 else
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134 new_fcn_names(k++) = fcn_names(i);
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135 }
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136
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137 new_fcn_names.resize (k);
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138
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139 fcn_names = new_fcn_names;
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140
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141 return retval;
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142 }
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143
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144 bool
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145 octave_base_shlib::is_out_of_date (void) const
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146 {
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147 file_stat fs (file);
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148
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149 return fs.is_newer (tm_loaded);
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150 }
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151
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152 void
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153 octave_base_shlib::stamp_time (bool warn_future)
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154 {
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155 tm_loaded.stamp ();
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156
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157 if (warn_future)
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158 {
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159 file_stat fs (file);
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160
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161 if (fs.is_newer (tm_loaded))
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162 (*current_liboctave_warning_handler)
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163 ("timestamp on file %s is in the future", file.c_str ());
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164 }
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165 }
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166
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167 void
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168 octave_base_shlib::add_to_fcn_names (const std::string& name)
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169 {
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170 int n = number_of_functions_loaded ();
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171
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172 for (int i = 0; i < n; i++)
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173 if (fcn_names(i) == name)
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174 return;
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175
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176 fcn_names.resize (n+1);
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177
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178 fcn_names(n) = name;
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179 }
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180
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181 void
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182 octave_base_shlib::do_close_hook (octave_shlib::close_hook cl_hook)
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183 {
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184 int n = number_of_functions_loaded ();
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185
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186 for (int i = 0; i < n; i++)
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187 cl_hook (fcn_names(i));
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188 }
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189
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190 void
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191 octave_base_shlib::tabula_rasa (void)
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192 {
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193 file = "";
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194
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195 fcn_names.resize (0);
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196
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197 tm_loaded = static_cast<time_t> (0);
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198 }
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199
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200 #if defined (HAVE_DLOPEN_API)
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201
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202 class
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203 octave_dlopen_shlib : public octave_base_shlib
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204 {
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205 public:
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206
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207 octave_dlopen_shlib (void);
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208
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209 ~octave_dlopen_shlib (void);
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210
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211 void open (const std::string& f, bool warn_future = false);
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212
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213 void *search (const std::string& name, name_mangler mangler = 0);
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214
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215 void close (octave_shlib::close_hook cl_hook = 0);
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216
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217 bool is_open (void) const { return (library != 0); }
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218
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219 private:
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220
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221 // No copying!
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222
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223 octave_dlopen_shlib (const octave_dlopen_shlib&);
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224
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225 octave_dlopen_shlib& operator = (const octave_dlopen_shlib&);
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226
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227 void *library;
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228 };
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229
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230 octave_dlopen_shlib::octave_dlopen_shlib (void)
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231 : octave_base_shlib (), library (0)
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232 {
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233 }
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234
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235 octave_dlopen_shlib::~octave_dlopen_shlib (void)
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236 {
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237 close ();
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238 }
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239
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240 void
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241 octave_dlopen_shlib::open (const std::string& f, bool warn_future)
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242 {
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243 if (! is_open ())
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244 {
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245 file = f;
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246
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247 int flags = 0;
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248
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249 #if defined (RTLD_LAZY)
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250 flags |= RTLD_LAZY;
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251 #endif
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252
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253 #if defined (RTLD_GLOBAL)
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254 flags |= RTLD_GLOBAL;
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255 #endif
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256
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257 library = dlopen (file.c_str (), flags);
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258
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259 if (library)
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260 stamp_time (warn_future);
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261 else
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262 {
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263 const char *msg = dlerror ();
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264
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265 if (msg)
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266 (*current_liboctave_error_handler) ("%s", msg);
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267 }
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268 }
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269 else
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270 (*current_liboctave_error_handler)
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271 ("shared library %s is already open", file.c_str ());
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272 }
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273
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274 void *
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275 octave_dlopen_shlib::search (const std::string& name,
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276 octave_shlib::name_mangler mangler)
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277 {
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278 void *function = 0;
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279
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280 if (is_open ())
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281 {
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282 std::string sym_name = name;
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283
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284 if (mangler)
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285 sym_name = mangler (name);
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286
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287 function = dlsym (library, sym_name.c_str ());
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288
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289 if (function)
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290 add_to_fcn_names (name);
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291 }
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292 else
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293 (*current_liboctave_error_handler)
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294 ("shared library %s is not open", file.c_str ());
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295
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296 return function;
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297 }
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298
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299 void
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300 octave_dlopen_shlib::close (octave_shlib::close_hook cl_hook)
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301 {
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302 if (is_open ())
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303 {
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304 do_close_hook (cl_hook);
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305
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306 dlclose (library);
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307
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308 library = 0;
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309
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310 tabula_rasa ();
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311 }
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312 }
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313
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314 #elif defined (HAVE_SHL_LOAD_API)
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315
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316 class
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317 octave_shl_load_shlib : public octave_base_shlib
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318 {
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319 public:
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320
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321 octave_shl_load_shlib (void);
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322
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323 ~octave_shl_load_shlib (void);
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324
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325 void open (const std::string& f, bool warn_future = false);
3326
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326
3504
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327 void *search (const std::string& name, name_mangler mangler = 0);
3326
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328
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329 void close (octave_shlib::close_hook cl_hook = 0);
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330
3609
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331 bool is_open (void) const { return (library != 0); }
3326
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332
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333 private:
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334
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335 // No copying!
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336
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337 octave_shl_load_shlib (const octave_shl_load_shlib&);
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338
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339 octave_shl_load_shlib& operator = (const octave_shl_load_shlib&);
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340
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341 shl_t library;
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342 };
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343
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344 octave_shl_load_shlib::octave_shl_load_shlib (void)
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345 : octave_base_shlib (), library (0)
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346 {
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347 }
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348
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349 octave_shl_load_shlib::~octave_shl_load_shlib (void)
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350 {
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351 close ();
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352 }
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353
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354 void
3504
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355 octave_shl_load_shlib::open (const std::string& f, bool warn_future)
3326
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356 {
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357 if (! is_open ())
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358 {
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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359 file = f;
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360
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361 library = shl_load (file.c_str (), BIND_DEFERRED, 0L);
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362
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363 if (library)
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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364 stamp_time (warn_future);
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365 else
3504
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366 {
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367 using namespace std;
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368 (*current_liboctave_error_handler) ("%s", strerror (errno));
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369 }
3326
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370 }
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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371 else
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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372 (*current_liboctave_error_handler)
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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373 ("shared library %s is already open", file.c_str ());
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374 }
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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375
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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376 void *
3504
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diff changeset
377 octave_shl_load_shlib::search (const std::string& name,
3326
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378 octave_shlib::name_mangler mangler)
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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379 {
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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380 void *function = 0;
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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381
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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parents:
diff changeset
382 if (is_open ())
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383 {
3609
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diff changeset
384 std::string sym_name = name;
3326
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385
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diff changeset
386 if (mangler)
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387 sym_name = mangler (name);
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diff changeset
388
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389 int status = shl_findsym (&library, sym_name.c_str (),
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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diff changeset
390 TYPE_UNDEFINED, &function);
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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diff changeset
391
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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parents:
diff changeset
392 if (status == 0)
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393 add_to_fcn_names (name);
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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394 }
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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diff changeset
395 else
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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diff changeset
396 (*current_liboctave_error_handler)
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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diff changeset
397 ("shared library %s is not open", file.c_str ());
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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398
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diff changeset
399 return function;
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parents:
diff changeset
400 }
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diff changeset
401
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parents:
diff changeset
402 void
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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diff changeset
403 octave_shl_load_shlib::close (octave_shlib::close_hook cl_hook)
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diff changeset
404 {
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parents:
diff changeset
405 if (is_open ())
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parents:
diff changeset
406 {
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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diff changeset
407 do_close_hook (cl_hook);
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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parents:
diff changeset
408
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diff changeset
409 shl_unload (library);
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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parents:
diff changeset
410
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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diff changeset
411 library = 0;
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parents:
diff changeset
412
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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diff changeset
413 tabula_rasa ();
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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parents:
diff changeset
414 }
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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parents:
diff changeset
415 }
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diff changeset
416
4110
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parents: 4051
diff changeset
417 #elif defined (HAVE_LOADLIBRARY_API)
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diff changeset
418
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diff changeset
419 class
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diff changeset
420 octave_w32_shlib: public octave_base_shlib
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parents: 4051
diff changeset
421 {
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parents: 4051
diff changeset
422 public:
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diff changeset
423
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diff changeset
424 octave_w32_shlib (void);
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diff changeset
425
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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diff changeset
426 ~octave_w32_shlib (void);
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parents: 4051
diff changeset
427
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diff changeset
428 void open (const std::string& f, bool warn_future = false);
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parents: 4051
diff changeset
429
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diff changeset
430 void *search (const std::string& name, name_mangler mangler = 0);
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diff changeset
431
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diff changeset
432 void close (octave_shlib::close_hook cl_hook = 0);
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parents: 4051
diff changeset
433
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diff changeset
434 bool is_open (void) const { return (handle != 0); }
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parents: 4051
diff changeset
435
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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parents: 4051
diff changeset
436 private:
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parents: 4051
diff changeset
437
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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parents: 4051
diff changeset
438 // No copying!
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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parents: 4051
diff changeset
439
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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diff changeset
440 octave_w32_shlib (const octave_w32_shlib&);
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parents: 4051
diff changeset
441
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diff changeset
442 octave_w32_shlib& operator = (const octave_w32_shlib&);
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diff changeset
443
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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diff changeset
444 HINSTANCE handle;
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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parents: 4051
diff changeset
445 };
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parents: 4051
diff changeset
446
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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diff changeset
447 octave_w32_shlib::octave_w32_shlib (void)
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diff changeset
448 : octave_base_shlib (), handle (0)
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parents: 4051
diff changeset
449 {
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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parents: 4051
diff changeset
450 }
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parents: 4051
diff changeset
451
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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parents: 4051
diff changeset
452 octave_w32_shlib::~octave_w32_shlib (void)
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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parents: 4051
diff changeset
453 {
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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parents: 4051
diff changeset
454 close ();
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parents: 4051
diff changeset
455 }
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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parents: 4051
diff changeset
456
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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parents: 4051
diff changeset
457 void
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parents: 4051
diff changeset
458 octave_w32_shlib::open (const std::string& f, bool warn_future)
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
459 {
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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parents: 4051
diff changeset
460 if (! is_open ())
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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parents: 4051
diff changeset
461 {
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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parents: 4051
diff changeset
462 file = f;
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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parents: 4051
diff changeset
463
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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diff changeset
464 handle = LoadLibrary (file.c_str ());
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parents: 4051
diff changeset
465
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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parents: 4051
diff changeset
466 if (handle != NULL)
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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parents: 4051
diff changeset
467 stamp_time (warn_future);
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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parents: 4051
diff changeset
468 else
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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parents: 4051
diff changeset
469 {
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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parents: 4051
diff changeset
470 DWORD lastError = GetLastError ();
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parents: 4051
diff changeset
471 char *msg;
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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parents: 4051
diff changeset
472
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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parents: 4051
diff changeset
473 switch (lastError)
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parents: 4051
diff changeset
474 {
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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parents: 4051
diff changeset
475 case ERROR_MOD_NOT_FOUND:
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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parents: 4051
diff changeset
476 case ERROR_DLL_NOT_FOUND:
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parents: 4051
diff changeset
477 msg = "could not find library or dependents";
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
478 break;
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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parents: 4051
diff changeset
479
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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parents: 4051
diff changeset
480 case ERROR_INVALID_DLL:
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parents: 4051
diff changeset
481 msg = "library or its dependents are damaged";
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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parents: 4051
diff changeset
482 break;
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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parents: 4051
diff changeset
483
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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parents: 4051
diff changeset
484 case ERROR_DLL_INIT_FAILED:
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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parents: 4051
diff changeset
485 msg = "library initialization routine failed";
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
486 break;
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
487
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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parents: 4051
diff changeset
488 default:
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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parents: 4051
diff changeset
489 msg = "library open failed";
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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parents: 4051
diff changeset
490 }
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
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parents: 4051
diff changeset
491
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
492 (*current_liboctave_error_handler) ("%s: %s", msg, file.c_str ());
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
493 }
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
494 }
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
495 else
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
496 (*current_liboctave_error_handler)
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
497 ("shared library %s is already open", file.c_str ());
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
498 }
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
499
5451
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe]
jwe
parents: 5307
diff changeset
500 extern "C"
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe]
jwe
parents: 5307
diff changeset
501 {
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe]
jwe
parents: 5307
diff changeset
502 void * octave_w32_search (HINSTANCE handle, const char * name);
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe]
jwe
parents: 5307
diff changeset
503 }
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe]
jwe
parents: 5307
diff changeset
504
4110
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
505 void *
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
506 octave_w32_shlib::search (const std::string& name,
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
507 octave_shlib::name_mangler mangler)
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
508 {
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
509 void *function = 0;
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
510
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
511 if (is_open ())
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
512 {
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
513 std::string sym_name = name;
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
514
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
515 if (mangler)
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
516 sym_name = mangler (name);
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
517
5451
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe]
jwe
parents: 5307
diff changeset
518 function = octave_w32_library_search (handle, sym_name.c_str ());
4110
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
519
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
520 if (function)
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
521 add_to_fcn_names (name);
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
522 }
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
523 else
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
524 (*current_liboctave_error_handler)
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
525 ("shared library %s is not open", file.c_str ());
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
526
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
527 return function;
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
528 }
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
529
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
530 void
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
531 octave_w32_shlib::close (octave_shlib::close_hook cl_hook)
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
532 {
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
533 if (is_open ())
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
534 {
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
535 do_close_hook (cl_hook);
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
536
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
537 FreeLibrary (handle);
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
538
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
539 handle = 0;
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
540
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
541 tabula_rasa ();
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
542 }
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
543 }
b9238356dd07 [project @ 2002-10-17 16:14:44 by jwe]
jwe
parents: 4051
diff changeset
544
4162
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
545 #elif defined (HAVE_DYLD_API)
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
546
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
547 class
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
548 octave_dyld_shlib : public octave_base_shlib
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
549 {
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
550 public:
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
551
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
552 octave_dyld_shlib (void);
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
553
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
554 ~octave_dyld_shlib (void);
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
555
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
556 void open (const std::string& f, bool warn_future = false);
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
557
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
558 void *search (const std::string& name, name_mangler mangler = 0);
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
559
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
560 void close (octave_shlib::close_hook cl_hook = 0);
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
561
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
562 bool is_open (void) const {return (isOpen); }
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
563
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
564 private:
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
565
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
566 // No copying!
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
567
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
568 octave_dyld_shlib (const octave_dyld_shlib&);
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
569
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
570 octave_dyld_shlib& operator = (const octave_dyld_shlib&);
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
571
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
572 bool isOpen;
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
573 NSObjectFileImage img;
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
574 NSModule handle;
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
575 };
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
576
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
577 octave_dyld_shlib::octave_dyld_shlib (void)
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
578 : octave_base_shlib (), isOpen (false), handle (0)
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
579 {
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
580 }
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
581
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
582 octave_dyld_shlib::~octave_dyld_shlib (void)
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
583 {
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
584 close ();
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
585 }
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
586
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
587 void
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
588 octave_dyld_shlib::open (const std::string& f, bool warn_future)
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
589 {
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
590 int returnCode;
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
591
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
592 if (! is_open ())
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
593 {
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
594 file = f;
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
595
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
596 returnCode = NSCreateObjectFileImageFromFile (file.c_str (), &img);
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
597
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
598 if (NSObjectFileImageSuccess == returnCode)
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
599 {
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
600 handle = NSLinkModule (img, file.c_str (),
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
601 (NSLINKMODULE_OPTION_RETURN_ON_ERROR
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
602 | NSLINKMODULE_OPTION_PRIVATE));
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
603 if (handle)
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
604 {
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
605 stamp_time (warn_future);
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
606 isOpen = true;
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
607 }
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
608 else
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
609 {
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
610 (*current_liboctave_error_handler)
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
611 ("couldn't link module %s", file.c_str ());
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
612 }
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
613 }
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
614 else
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
615 {
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
616 (*current_liboctave_error_handler)
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
617 ("got NSObjectFileImageReturnCode %d", returnCode);
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
618
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
619 // XXX FIXME XXX -- should use NSLinkEditError () to get
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
620 // more info on what went wrong.
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
621 }
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
622 }
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
623 else
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
624 {
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
625 (*current_liboctave_error_handler)
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
626 ("bundle %s is already open", file.c_str ());
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
627 }
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
628 }
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
629
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
630 void *
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
631 octave_dyld_shlib::search (const std::string& name,
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
632 octave_shlib::name_mangler mangler)
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
633 {
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
634 void *function = 0;
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
635
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
636 if (is_open ())
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
637 {
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
638 std::string sym_name = name;
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
639
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
640 if (mangler)
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
641 sym_name = mangler (name);
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
642
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
643 NSSymbol symbol = NSLookupSymbolInModule (handle, sym_name.c_str ());
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
644
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
645 if (symbol)
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
646 {
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
647 function = NSAddressOfSymbol (symbol);
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
648 add_to_fcn_names (name);
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
649 }
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
650 }
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
651 else
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
652 (*current_liboctave_error_handler)
bcdf1c264e08 [project @ 2002-11-10 00:34:37 by jwe]
jwe
parents: 4110
diff changeset
653 ("bundle %s is not open", file.c_str ());
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654
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655 return function;
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656 }
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657
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658 void
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659 octave_dyld_shlib::close (octave_shlib::close_hook cl_hook)
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660 {
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661 if (is_open ())
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662 {
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663 do_close_hook (cl_hook);
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664
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665 NSUnLinkModule (handle, NSUNLINKMODULE_OPTION_RESET_LAZY_REFERENCES);
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666
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667 handle = 0;
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668
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669 if (NSDestroyObjectFileImage (img))
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670 isOpen = false;
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671
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672 tabula_rasa ();
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673 }
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674 }
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675
3326
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676 #endif
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677
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678 octave_shlib *
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679 octave_shlib::make_shlib (void)
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680 {
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681 #if defined (HAVE_DLOPEN_API)
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682 return new octave_dlopen_shlib ();
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683 #elif defined (HAVE_SHL_LOAD_API)
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684 return new octave_shl_load_shlib ();
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685 #elif defined (HAVE_LOADLIBRARY_API)
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686 return new octave_w32_shlib ();
4162
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687 #elif defined (HAVE_DYLD_API)
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688 return new octave_dyld_shlib ();
3326
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689 #else
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690 return new octave_base_shlib ();
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691 #endif
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692 }
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693
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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694 /*
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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695 ;;; Local Variables: ***
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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696 ;;; mode: C++ ***
c19f4b9484af [project @ 1999-10-29 21:52:12 by jwe]
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697 ;;; End: ***
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698 */