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  1. <?xml version="1.0" encoding="EUC-JP"?>
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  8. <title>╞░┼¬╢ª═¡Ñ¬Ñ╓Ñ╕ѺѻÑ╚ (DSO) Ñ╡Ñ▌í╝Ñ╚ - Apache HTTP Ñ╡í╝Ñ╨</title>
  9. <link href="./style/css/manual.css" rel="stylesheet" media="all" type="text/css" title="Main stylesheet" />
  10. <link href="./style/css/manual-loose-100pc.css" rel="alternate stylesheet" media="all" type="text/css" title="No Sidebar - Default font size" />
  11. <link href="./style/css/manual-print.css" rel="stylesheet" media="print" type="text/css" />
  12. <link href="./images/favicon.ico" rel="shortcut icon" /></head>
  13. <body id="manual-page"><div id="page-header">
  14. <p class="menu"><a href="./mod/">ÑΓÑ╕Ñσí╝Ñδ</a> | <a href="./mod/directives.html">Ñ╟ÑúÑ∞Ñ»Ñ╞ÑúÑ╓</a> | <a href="./faq/">FAQ</a> | <a href="./glossary.html">═╤╕∞</a> | <a href="./sitemap.html">Ñ╡ÑñÑ╚Ñ▐Ñ├Ñ╫</a></p>
  15. <p class="apache">Apache HTTP Ñ╡í╝Ñ╨ Ñ╨í╝Ñ╕ÑτÑ≤ 2.2</p>
  16. <img alt="" src="./images/feather.gif" /></div>
  17. <div class="up"><a href="./"><img title="<-" alt="<-" src="./images/left.gif" /></a></div>
  18. <div id="path">
  19. <a href="http://www.apache.org/">Apache</a> > <a href="http://httpd.apache.org/">HTTP Ñ╡í╝Ñ╨</a> > <a href="http://httpd.apache.org/docs/">Ñ╔Ñ¡ÑσÑßÑ≤Ñ╞í╝Ñ╖ÑτÑ≤</a> > <a href="./">Ñ╨í╝Ñ╕ÑτÑ≤ 2.2</a></div><div id="page-content"><div id="preamble"><h1>╞░┼¬╢ª═¡Ñ¬Ñ╓Ñ╕ѺѻÑ╚ (DSO) Ñ╡Ñ▌í╝Ñ╚</h1>
  20. <div class="toplang">
  21. <p><span>Available Languages: </span><a href="./en/dso.html" hreflang="en" rel="alternate" title="English"> en </a> |
  22. <a href="./ja/dso.html" title="Japanese"> ja </a> |
  23. <a href="./ko/dso.html" hreflang="ko" rel="alternate" title="Korean"> ko </a></p>
  24. </div>
  25.  
  26.     <p>Apache HTTP Ñ╡í╝Ñ╨ñ╧ÑΓÑ╕Ñσí╝Ñδ▓╜ñ╡ñ∞ñ┐Ñ╫ÑφÑ░ÑΘÑαñ╟íó
  27.     ┤╔═²╝╘ñ¼ÑΓÑ╕Ñσí╝Ñδñ≥┴¬┬≥ñ╣ñδñ│ñ╚ñ╟Ñ╡í╝Ñ╨ñ╦┴╚ñ▀╣■ñα╡í╟╜ñ≥┴¬ñ╓ñ│ñ╚ñ¼ñ╟ñ¡ñ▐ñ╣íú
  28.     ÑΓÑ╕Ñσí╝Ñδñ╧Ñ╡í╝Ñ╨ñ¼Ñ╙ÑδÑ╔ñ╡ñ∞ñδñ╚ñ¡ñ╦ <code class="program"><a href="./programs/httpd.html">httpd</a></code> Ñ╨ÑñÑ╩ÑΩñ╦
  29.     └┼┼¬ñ╦┴╚ñ▀╣■ñαñ│ñ╚ñ¼ñ╟ñ¡ñ▐ñ╣íúñΓñ╖ñ»ñ╧íó<code class="program"><a href="./programs/httpd.html">httpd</a></code> Ñ╨ÑñÑ╩ÑΩñ╚ñ╧
  30.     ╩╠ñ╦┬╕║▀ñ╣ñδ╞░┼¬╢ª═¡Ñ¬Ñ╓Ñ╕ѺѻÑ╚ (╠⌡├φ: Dynamic Shared Object)
  31.     (DSO) ñ╚ñ╖ñ╞Ñ│Ñ≤Ñ╤ÑñÑδñ╣ñδñ│ñ╚ñΓ
  32.     ñ╟ñ¡ñ▐ñ╣íúDSO ÑΓÑ╕Ñσí╝Ñδñ╧Ñ╡í╝Ñ╨ñ¼Ñ╙ÑδÑ╔ñ╡ñ∞ñδñ╚ñ¡ñ╦Ñ│Ñ≤Ñ╤ÑñÑδñ╖ñ┐ñΩíó
  33.     Apache │╚─ÑÑ─í╝Ñδ (<code class="program"><a href="./programs/apxs.html">apxs</a></code>) ñ≥
  34.     ╗╚ñ├ñ╞╕σñ╟Ñ│Ñ≤Ñ╤ÑñÑδñ╖ñ╞─╔▓├ñ╖ñ┐ñΩñ╟ñ¡ñ▐ñ╣íú</p>
  35.  
  36.     <p>ñ│ñ╬╩╕╜±ñ╧ DSO ÑΓÑ╕Ñσí╝Ñδñ╬╗╚ññ╩²ñ╚íó╗┼┴╚ñ▀ñ╦ñ─ñññ╞
  37.     └Γ╠└ñ╖ñ▐ñ╣íú</p>
  38.   </div>
  39. <div id="quickview"><ul id="toc"><li><img alt="" src="./images/down.gif" /> <a href="#implementation">╝┬┴⌡</a></li>
  40. <li><img alt="" src="./images/down.gif" /> <a href="#usage">╗╚═╤╦íñ╬│╡═╫</a></li>
  41. <li><img alt="" src="./images/down.gif" /> <a href="#background">╟╪╖╩</a></li>
  42. <li><img alt="" src="./images/down.gif" /> <a href="#advantages">═°┼└ñ╚╖τ┼└</a></li>
  43. </ul></div>
  44. <div class="top"><a href="#page-header"><img alt="top" src="./images/up.gif" /></a></div>
  45. <div class="section">
  46. <h2><a name="implementation" id="implementation">╝┬┴⌡</a></h2>
  47.  
  48. <table class="related"><tr><th>┤╪╧óÑΓÑ╕Ñσí╝Ñδ</th><th>┤╪╧óÑ╟ÑúÑ∞Ñ»Ñ╞ÑúÑ╓</th></tr><tr><td><ul><li><code class="module"><a href="./mod/mod_so.html">mod_so</a></code></li></ul></td><td><ul><li><code class="directive"><a href="./mod/mod_so.html#loadmodule">LoadModule</a></code></li></ul></td></tr></table>
  49.  
  50.     <p>╕─í╣ñ╬ Apache ÑΓÑ╕Ñσí╝Ñδñ≥Ñφí╝Ñ╔ñ╣ñδñ┐ñßñ╬ DSO Ñ╡Ñ▌í╝Ñ╚ñ╧
  51.     <code class="module"><a href="./mod/mod_so.c.html">mod_so.c</a></code> ñ╚ñññªÑΓÑ╕Ñσí╝Ñδñ╬╡í╟╜ñ╦┤≡ñ┼ñññ╞ñññ▐ñ╣íú
  52.     ñ│ñ╬ÑΓÑ╕Ñσí╝Ñδ ñ╧ Apache ñ╬Ñ│Ñóñ╦└┼┼¬ñ╦┴╚ñ▀╣■ñ▐ñ∞ñ╞ñññδ╔¼═╫ñ¼ñóñΩñ▐ñ╣íú
  53.     ñ╜ñ∞ñ╧ <code class="module"><a href="./mod/core.c.html">core.c</a></code> ░╩│░ñ╟ñ╧ DSO ñ╦ñ╟ñ¡ñ╩ññ═ú░∞ñ╬
  54.     ÑΓÑ╕Ñσí╝Ñδñ╟ñ╣íú╗÷╝┬╛σíó┬╛ñ╬ñ╣ñ┘ñ╞ñ╬ Apache ñ╬ÑΓÑ╕Ñσí╝Ñδñ╧íó
  55.     <a href="install.html">ÑñÑ≤Ñ╣Ñ╚í╝Ñδñ╬╩╕╜±</a>ñ╟└Γ╠└ñ╡ñ∞ñ╞ñññδñΦñªñ╦íó
  56.     <code class="program"><a href="./programs/configure.html">configure</a></code> ñ╬
  57.     <code>--enable-<em>module</em>=shared</code> Ñ¬Ñ╫Ñ╖ÑτÑ≤ñ╟ñ╜ñ∞ñ╛ñ∞ñ≥
  58.     DSO Ñ╙ÑδÑ╔ñ╦ñ╣ñδñ│ñ╚ñ╦ñΦñΩíóDSO ÑΓÑ╕Ñσí╝Ñδñ╦ñ╣ñδñ│ñ╚ñ¼ñ╟ñ¡ñ▐ñ╣íú
  59.     <code>mod_foo.so</code> ñ╬ñΦñªñ╩ DSO ñ╦ÑΓÑ╕Ñσí╝Ñδñ¼Ñ│Ñ≤Ñ╤ÑñÑδñ╡ñ∞ñ∞ñ╨íó
  60.     <code>httpd.conf</code> Ñ╒ÑíÑñÑδ├µñ╟ <code class="module"><a href="./mod/mod_so.html">mod_so</a></code> ñ╬
  61.     <code class="directive"><a href="./mod/mod_so.html#loadmodule">LoadModule</a></code>
  62.     Ñ╟ÑúÑ∞Ñ»Ñ╞ÑúÑ╓ñ≥╗╚ñªñ│ñ╚ñ╟Ñ╡í╝Ñ╨ñ╬╡»╞░ñΣ║╞╡»╞░╗■ñ╦ñ│ñ╬ÑΓÑ╕Ñσí╝Ñδñ≥
  63.     Ñφí╝Ñ╔ñ╣ñδñΦñªñ╦ñ╟ñ¡ñ▐ñ╣íú</p>
  64.  
  65.     <p>Apache ÑΓÑ╕Ñσí╝Ñδ═╤ñ╬ (╞├ñ╦Ñ╡í╝Ñ╔Ñ╤í╝Ñ╞ÑúÑΓÑ╕Ñσí╝Ñδñ╬) DSO Ñ╒ÑíÑñÑδñ╬
  66.     ║ε└«ñ≥┤╩├▒ñ╦ñ╣ñδñ┐ñßñ╦íó<code class="program"><a href="./programs/apxs.html">apxs</a></code>
  67.     (<dfn>APache eXtenSion</dfn>) ñ╚ñññª┐╖ñ╖ññÑ╡Ñ▌í╝Ñ╚Ñ╫ÑφÑ░ÑΘÑαñ¼ñóñΩñ▐ñ╣íú
  68.     Apache ñ╬Ñ╜í╝Ñ╣Ñ─ÑΩí╝ñ╬<em>│░ñ╟</em> DSO ÑΓÑ╕Ñσí╝Ñδñ≥Ñ╙ÑδÑ╔ñ╣ñδñ┐ñßñ╦
  69.     ╗╚ñªñ│ñ╚ñ¼ñ╟ñ¡ñ▐ñ╣íú╚»┴█ñ╧├▒╜πñ╟ñ╣: Apache ñ╬ÑñÑ≤Ñ╣Ñ╚í╝Ñδ╗■ñ╬
  70.     <code class="program"><a href="./programs/configure.html">configure</a></code>íó<code>make install</code> ñ╬ñ╚ñ¡ñ╦ Apache ñ╬
  71.     C Ñ╪Ñ├Ñ└ñ≥ÑñÑ≤Ñ╣Ñ╚í╝Ñδñ╖íóDSO Ñ╙ÑδÑ╔═╤ñ╬Ñ╫ÑΘÑ├Ñ╚Ñ╒Ñ⌐í╝Ñα░═┬╕ñ╬
  72.     Ñ│Ñ≤Ñ╤ÑñÑΘñ╚ÑΩÑ≤ѽñ╬Ñ╒ÑΘÑ░ñ≥ <code class="program"><a href="./programs/apxs.html">apxs</a></code> Ñ╫ÑφÑ░ÑΘÑαñ╦─╔▓├ñ╖ñ▐ñ╣íú
  73.     ñ│ñ∞ñ╦ñΦñΩíóѵí╝Ñ╢ñ¼ Apache ñ╬╟█╔█Ñ╜í╝Ñ╣Ñ─ÑΩí╝ñ╩ñ╖ñ╟íóñ╡ñΘñ╦
  74.     DSO Ñ╡Ñ▌í╝Ñ╚ñ╬ñ┐ñßñ╬Ñ╫ÑΘÑ├Ñ╚Ñ╒Ñ⌐í╝Ñα░═┬╕ñ╬Ñ│Ñ≤Ñ╤ÑñÑΘñΣÑΩÑ≤ѽñ╬
  75.     Ñ╒ÑΘÑ░ñ≥ñññ╕ñδñ│ñ╚ñ╩ñ» Apache ñ╬ÑΓÑ╕Ñσí╝Ñδñ╬Ñ╜í╝Ñ╣ñ≥Ñ│Ñ≤Ñ╤ÑñÑδ
  76.     ñ╟ñ¡ñδñΦñªñ╦ñ╩ñΩñ▐ñ╣íú</p>
  77. </div><div class="top"><a href="#page-header"><img alt="top" src="./images/up.gif" /></a></div>
  78. <div class="section">
  79. <h2><a name="usage" id="usage">╗╚═╤╦íñ╬│╡═╫</a></h2>
  80.  
  81.     <p>Apache 2.0 ñ╬ DSO ╡í╟╜ñ╬│╡╬¼ñ≥├╬ñδñ│ñ╚ñ¼ñ╟ñ¡ñδñ┐ñßñ╬íó
  82.     ├╗ñ»┤╩╖Θñ╩│╡═╫ñ╟ñ╣:</p>
  83.  
  84.     <ol>
  85.       <li>
  86.         <em>╟█╔█ñ╡ñ∞ñ╞ñññδ</em> Apache ÑΓÑ╕Ñσí╝Ñδíó▓╛ñ╦ <code>mod_foo.c</code>
  87.         ñ╚ñ╖ñ╞íóñ╜ñ∞ñ≥ DSO <code>mod_foo.so</code> ñ╦Ñ╙ÑδÑ╔íóÑñÑ≤Ñ╣Ñ╚í╝Ñδ: 
  88.  
  89. <div class="example"><p><code>
  90. $ ./configure --prefix=/path/to/install --enable-foo=shared<br />
  91. $ make install
  92. </code></p></div>
  93.       </li>
  94.  
  95.       <li>
  96.         <em>Ñ╡í╝Ñ╔Ñ╤í╝Ñ╞Ñú</em> Apache ÑΓÑ╕Ñσí╝Ñδíó▓╛ñ╦ <code>mod_foo.c</code>
  97.         ñ╚ñ╖ñ╞íóñ╜ñ∞ñ≥ DSO <code>mod_foo.so</code> ñ╦Ñ╙ÑδÑ╔íóÑñÑ≤Ñ╣Ñ╚í╝Ñδ:
  98.  
  99. <div class="example"><p><code>
  100. $ ./configure --add-module=<var>module_type</var>:/path/to/3rdparty/mod_foo.c \<br />
  101. <span class="indent">
  102.   --enable-foo=shared<br />
  103. </span>
  104. $ make install
  105. </code></p></div>
  106.       </li>
  107.  
  108.       <li>
  109.         ╢ª═¡ÑΓÑ╕Ñσí╝Ñδñ╬ <em>╕σí╣ñ╬ÑñÑ≤Ñ╣Ñ╚í╝Ñδ</em> ñ╬ñ┐ñßñ╦
  110.         Apache ñ≥└▀─Ω:
  111.  
  112. <div class="example"><p><code>
  113. $ ./configure --enable-so<br />
  114. $ make install
  115. </code></p></div>
  116.       </li>
  117.  
  118.       <li>
  119.         <em>Ñ╡í╝Ñ╔Ñ╤í╝Ñ╞Ñú</em> Apache ÑΓÑ╕Ñσí╝Ñδíó▓╛ñ╦ <code>mod_foo.c</code>
  120.         ñ╚ñ╖ñ╞íóñ╜ñ∞ñ≥ <code class="program"><a href="./programs/apxs.html">apxs</a></code> ñ≥╗╚ñ├ñ╞
  121.         Apache Ñ╜í╝Ñ╣Ñ─ÑΩí╝ñ╬<em>│░ñ╟</em> DSO ñ╦Ñ╙ÑδÑ╔íóÑñÑ≤Ñ╣Ñ╚í╝Ñδ:
  122.  
  123. <div class="example"><p><code>
  124. $ cd /path/to/3rdparty<br />
  125. $ apxs -c mod_foo.c<br />
  126. $ apxs -i -a -n foo mod_foo.la
  127. </code></p></div>
  128.       </li>
  129.     </ol>
  130.  
  131.     <p>ñ╔ñ╬╛∞╣τñ╦ñ¬ñññ╞ñΓíó╢ª═¡ÑΓÑ╕Ñσí╝Ñδñ≥Ñ│Ñ≤Ñ╤ÑñÑδñ╖ñ┐╕σñ╟íó
  132.     <code>httpd.conf</code> ñ╟ 
  133.     <code class="directive"><a href="./mod/mod_so.html#loadmodule">LoadModule</a></code>
  134.     Ñ╟ÑúÑ∞Ñ»Ñ╞ÑúÑ╓ñ≥╗╚ñ├ñ╞ Apache ñ¼ÑΓÑ╕Ñσí╝Ñδñ≥╗╚═╤ñ╣ñδñΦñªñ╦
  135.     ñ╖ñ╩ñ▒ñ∞ñ╨ñ╩ñΩñ▐ñ╗ñ≤íú</p>
  136. </div><div class="top"><a href="#page-header"><img alt="top" src="./images/up.gif" /></a></div>
  137. <div class="section">
  138. <h2><a name="background" id="background">╟╪╖╩</a></h2>
  139.  
  140.     <p>║╟╢ßñ╬ Unix ╖╧ñ╬ OS ñ╦ñ╧ <em>╞░┼¬╢ª═¡Ñ¬Ñ╓Ñ╕ѺѻÑ╚</em> (DSO)
  141.     ñ╬╞░┼¬ÑΩÑ≤Ñ»/Ñφí╝Ñ╔ñ╚ñññª╡ññ╬ñ¡ñññ┐╡í╣╜ñ¼
  142.     ┬╕║▀ñ╖ñ▐ñ╣íúñ│ñ∞ñ╧íó╝┬╣╘╗■ñ╦Ñ╫ÑφÑ░ÑΘÑαñ╬ÑóÑ╔Ñ∞Ñ╣╢⌡┤╓ñ╦
  143.     Ñφí╝Ñ╔ñ╟ñ¡ñδñΦñªñ╩╞├╩╠ñ╩╖┴╝░ñ╟Ñ╫ÑφÑ░ÑΘÑαñ≥Ñ╙ÑδÑ╔ñ╣ñδñ│ñ╚ñ≥
  144.     ▓─╟╜ñ╦ñ╖ñ▐ñ╣íú</p>
  145.  
  146.     <p>ñ│ñ╬Ñφí╝Ñ╔ñ╧╞≤ñ─ñ╬╩²╦íñ╟╣╘ñ╩ñªñ│ñ╚ñ¼ñ╟ñ¡ñ▐ñ╣: ╝┬╣╘Ñ╫ÑφÑ░ÑΘÑαñ¼
  147.     ╡»╞░ñ╡ñ∞ñ┐ñ╚ñ¡ñ╦ <code>ld.so</code> ñ╚ñññªÑ╖Ñ╣Ñ╞ÑαÑ╫ÑφÑ░ÑΘÑα
  148.     ñ╦ñΦñΩ╝½╞░┼¬ñ╦╣╘ñ╩ñ∩ñ∞ñδ╩²╦íñ╚íó╝┬╣╘Ñ╫ÑφÑ░ÑΘÑα├µñ½ñΘíóÑ╖Ñ╣Ñ╞ÑαÑ│í╝Ñδ
  149.     <code>dlopen()/dlsym()</code> ñ╦ñΦñδ Unix Ñφí╝Ñ└ñ╪ñ╬
  150.     Ñ╫ÑφÑ░ÑΘÑαÑ╖Ñ╣Ñ╞Ñαñ╬ÑñÑ≤Ñ┐Ñ╒Ѻí╝Ñ╣ñ≥╗╚ñ├ñ╞╝Ω╞░ñ╟╣╘ñ╩ñª╩²╦íñ╚ñ¼
  151.     ñóñΩñ▐ñ╣íú</p>
  152.  
  153.     <p>║╟╜Θñ╬╩²╦íñ╟ñ╧ DSO ñ╧╔ß─╠ñ╧<em>╢ª═¡ÑΘÑñÑ╓ÑΘÑΩ</em>ñΣ <em>DSO
  154.     ÑΘÑñÑ╓ÑΘÑΩ</em> ñ╚╕╞ñ╨ñ∞ñ╞ñññ╞íóDSO ñ╬╠╛┴░ñ╧
  155.     <code>libfoo.so</code> ñΣ <code>libfoo.so.1.2</code> ñ╬ñΦñªñ╦ñ╩ñ├ñ╞ñññ▐ñ╣íú
  156.     ñ│ñ∞ñΘñ╧Ñ╖Ñ╣Ñ╞ÑαÑ╟ÑúÑ∞Ñ»Ñ╚ÑΩ (─╠╛∩ <code>/usr/lib</code>) ñ╦┬╕║▀ñ╖íó
  157.     ╝┬╣╘Ñ╫ÑφÑ░ÑΘÑαñ╪ñ╬ÑΩÑ≤Ñ»ñ╧Ñ╙ÑδÑ╔╗■ñ╦ <code>-lfoo</code> ñ≥ÑΩÑ≤ѽñ╦
  158.     ╗╪─Ωñ╣ñδñ│ñ╚ñ╟│╬╬⌐ñ╡ñ∞ñ▐ñ╣íúñ│ñ∞ñ╦ñΦñΩÑΘÑñÑ╓ÑΘÑΩñ╪ñ╬╗▓╛╚ñ¼╝┬╣╘Ñ╫ÑφÑ░ÑΘÑαñ╬
  159.     Ñ╒ÑíÑñÑδñ╦╜±ñ¡╣■ñ▐ñ∞ñ╞íó╡»╞░╗■ñ╦ Unix ñ╬Ñφí╝Ñ└ñ¼ <code>/usr/lib</code> ñΣíó
  160.     ÑΩÑ≤ѽñ╬ <code>-R</code> ñ╬ñΦñªñ╩ѬÑ╫Ñ╖ÑτÑ≤ñ╦ñΦñΩÑ╧í╝Ñ╔Ñ│í╝Ñ╔ñ╡ñ∞ñ┐Ñ╤Ñ╣íó
  161.     ┤─╢¡╩╤┐⌠ <code>LD_LIBRARY_PATH</code> ñ╦ñΦñΩ└▀─Ωñ╡ñ∞ñ┐Ñ╤Ñ╣íóñ╬├µñ½ñΘ
  162.     <code>libfoo.so</code> ñ╬╛∞╜Ωñ≥╕½ñ─ñ▒ñδñ│ñ╚ñ¼ñ╟ñ¡ñ▐ñ╣íúñ╜ñ∞ñ½ñΘíó
  163.     ╝┬╣╘Ñ╫ÑφÑ░ÑΘÑα├µñ╬ (ñ▐ñ└╠ñ▓≥╖Φñ╬) Ñ╖Ñ≤Ñ▄Ñδñ≥ DSO ñ╦ñóñδÑ╖Ñ≤Ñ▄Ñδñ╟
  164.     ▓≥╖Φñ╖ñ▐ñ╣íú</p>
  165.  
  166.     <p>╔ß─╠ñ╧╝┬╣╘Ñ╫ÑφÑ░ÑΘÑα├µñ╬Ñ╖Ñ≤Ñ▄Ñδñ╧ DSO ñ½ñΘñ╧╗▓╛╚ñ╡ñ∞ñ▐ñ╗ñ≤
  167.     (DSO ñ╧░∞╚╠┼¬ñ╩Ñ│í╝Ñ╔ñ╦ñΦñδ║╞═°═╤▓─╟╜ñ╩ÑΘÑñÑ╓ÑΘÑΩñ╟ñ╣ñ╬ñ╟)íú
  168.     ñ╟ñ╣ñ½ñΘíóñ╡ñΘñ╩ñδÑ╖Ñ≤Ñ▄Ñδñ╬▓≥╖Φñ╧╔¼═╫ñóñΩñ▐ñ╗ñ≤íú
  169.     Ñ╖Ñ≤Ñ▄Ñδñ╧ Unix Ñφí╝Ñ└ñ╦ñΦñΩ┤░┴┤ñ╩▓≥╖Φñ¼╣╘ñ╩ñ∩ñ∞ñ▐ñ╣ñ╬ñ╟íó╝┬╣╘Ñ╒ÑíÑñÑδ╝½┐╚ñ╧
  170.     ▓┐ñΓñ╣ñδ╔¼═╫ñ¼ñóñΩñ▐ñ╗ñ≤íú(╝┬║▌ñ╬ñ╚ñ│ñφíó└┼┼¬ñ╟ñ╩ññ╩²╦íñ╟ÑΩÑ≤Ñ»ñ╡ñ∞ñ╞ñññδ
  171.     ñ╣ñ┘ñ╞ñ╬╝┬╣╘Ñ╫ÑφÑ░ÑΘÑαñ╦┴╚ñ▀╣■ñ▐ñ∞ñ╞ñññδ│½╗╧═╤ñ╬Ñ│í╝Ñ╔ñ╬░∞╔⌠ñ╦
  172.     <code>ld.so</code> ñ≥╡»╞░ñ╣ñδÑ│í╝Ñ╔ñ¼┤▐ñ▐ñ∞ñ╞ñññ▐ñ╣)íúñΦñ»╗╚ñ∩ñ∞ñδ
  173.     ÑΘÑñÑ╓ÑΘÑΩñ╬╞░┼¬Ñφí╝Ñ╔ñ╬═°┼└ñ╧╠└ñΘñ½ñ╟ñ╣íúÑΘÑñÑ╓ÑΘÑΩñ╬Ñ│í╝Ñ╔ñ╧
  174.     Ñ╖Ñ╣Ñ╞ÑαÑΘÑñÑ╓ÑΘÑΩñ╦ <code>libc.so</code> ñ╬ñΦñªñ╦ñ╖ñ╞░∞┼┘╩▌┬╕ñ╣ñδñ└ñ▒ñ╟ñΦñ»íó
  175.     Ñ╫ÑφÑ░ÑΘÑαñ╬ñ┐ñßñ╦╔¼═╫ñ╩Ñ╟ÑúÑ╣Ñ»ñ╬╬╬░Φñ≥└ß╠≤ñ╣ñδñ│ñ╚ñ¼ñ╟ñ¡ñ▐ñ╣íú</p>
  176.  
  177.     <p>╞≤ñ─ñßñ╬╩²╦íñ╟ñ╧ DSO ñ╧╔ß─╠ñ╧<em>╢ª═¡Ñ¬Ñ╓Ñ╕ѺѻÑ╚</em>ñΣ
  178.     <em>DSO Ñ╒ÑíÑñÑδ</em>ñ╚╕╞ñ╨ñ∞ñ╞ñññ╞íó╟ñ░╒ñ╬│╚─Ñ╗╥ñ≥╔╒ñ▒ñδñ│ñ╚ñ¼ñ╟ñ¡ñ▐ñ╣
  179.     (ñ┐ñ└ñ╖íó╔╕╜α┼¬ñ╩╠╛┴░ñ╧ <code>foo.so</code> ñ╟ñ╣)íú
  180.     ñ│ñ∞ñΘñ╬Ñ╒ÑíÑñÑδñ╧─╠╛∩ñ╧Ñ╫ÑφÑ░ÑΘÑα└∞═╤ñ╬Ñ╟ÑúÑ∞Ñ»Ñ╚ÑΩñ╦├╓ñ½ñ∞íó
  181.     ñ│ñ∞ñΘñ≥╗╚ñª╝┬╣╘Ñ╫ÑφÑ░ÑΘÑαñ╪ñ╬ÑΩÑ≤Ñ»ñ╧╝½╞░┼¬ñ╦ñ╧ñ╡ñ∞ñ▐ñ╗ñ≤íú
  182.     ñ╟ñ╣ñ╬ñ╟íó╝┬╣╘Ñ╫ÑφÑ░ÑΘÑαñ╧ <code>dlopen()</code> ñ≥╗╚ñ├ñ╞
  183.     ╝┬╣╘╗■ñ╦╝Ω╞░ñ╟ DSO ñ≥Ñ╫ÑφÑ░ÑΘÑαñ╬ÑóÑ╔Ñ∞Ñ╣╢⌡┤╓ñ╦Ñφí╝Ñ╔ñ╣ñδ╔¼═╫ñ¼ñóñΩñ▐ñ╣íú
  184.     ñ│ñ╬╗■┼└ñ╟ñ╧╝┬╣╘Ñ╫ÑφÑ░ÑΘÑαñ╦┬╨ñ╖ñ╞ DSO ñ╬Ñ╖Ñ≤Ñ▄Ñδñ╬▓≥╖Φñ╧╣╘ñ╩ñ∩ñ∞ñ▐ñ╗ñ≤íú
  185.     ñ╖ñ½ñ╖íóñ╜ñ╬┬σñ∩ñΩñ╦ Unix ñ╬Ñφí╝Ñ└ñ¼ DSO ñ╬ (ñ▐ñ└╠ñ▓≥╖Φñ╬) Ñ╖Ñ≤Ñ▄Ñδñ≥
  186.     ╝┬╣╘Ñ╫ÑφÑ░ÑΘÑαñ╦ñΦñΩÑ¿Ñ»Ñ╣Ñ▌í╝Ñ╚ñ╡ñ∞ñ┐Ñ╖Ñ≤Ñ▄Ñδñ╚┤√ñ╦Ñφí╝Ñ╔ñ╡ñ∞ñ┐
  187.     DSO ÑΘÑñÑ╓ÑΘÑΩñ╦ñΦñΩÑ¿Ñ»Ñ╣Ñ▌í╝Ñ╚ñ╡ñ∞ñ┐Ñ╖Ñ≤Ñ▄Ñδ (╞├ñ╦íóñ╔ñ│ñ╦ñ╟ñΓñóñδ
  188.     <code>libc.so</code> ñ╬ñ╣ñ┘ñ╞ñ╬Ñ╖Ñ≤Ñ▄Ñδ) ñ╟╝½╞░┼¬ñ╦▓≥╖Φñ╖ñ▐ñ╣íú
  189.     ñ│ñªñ╣ñδñ│ñ╚ñ╟íóDSO ñ╧║╟╜Θñ½ñΘ└┼┼¬ñ╦ÑΩÑ≤Ñ»ñ╡ñ∞ñ╞ñññ┐ñ½ñ╬ñΦñªñ╦íó
  190.     ╝┬╣╘Ñ╫ÑφÑ░ÑΘÑαñ╬Ñ╖Ñ≤Ñ▄Ñδñ≥├╬ñδñ│ñ╚ñ¼ñ╟ñ¡ñ▐ñ╣íú</p>
  191.  
  192.     <p>║╟╕σñ╦íóDSO ñ╬ API ñ≥═°┼└ñ≥└╕ñ½ñ╣ñ┐ñßñ╦íóÑ╫ÑφÑ░ÑΘÑαñ╧
  193.     ╕σñ╟Ñ╟ÑúÑ╣Ñ╤Ñ├Ñ┴Ñ╞í╝Ñ╓Ñδ<em>ñ╩ñ╔</em>ñ╟Ñ╖Ñ≤Ñ▄Ñδñ≥╗╚ñªñ│ñ╚ñ¼ñ╟ñ¡ñδñΦñªñ╦íó
  194.     <code>dlsym()</code> ñ≥╗╚ñ├ñ╞ñññ»ñ─ñ½ñ╬Ñ╖Ñ≤Ñ▄Ñδñ≥▓≥╖Φñ╖ñ▐ñ╣íú
  195.     ñ╣ñ╩ñ∩ñ┴: ╝┬╣╘Ñ╫ÑφÑ░ÑΘÑαñ╧╔¼═╫ñ╩ñ╣ñ┘ñ╞ñ╬Ñ╖Ñ≤Ñ▄Ñδñ≥╝Ω╞░ñ╟▓≥╖Φñ╖ñ╩ñ▒ñ∞ñ╨
  196.     ñ╩ñΩñ▐ñ╗ñ≤íúñ│ñ╬╡í╣╜ñ╬═°┼└ñ╧Ñ╫ÑφÑ░ÑΘÑαñ╬ѬÑ╫Ñ╖ÑτÑ╩Ñδñ╩╔⌠╩¼ñ╧
  197.     ╔¼═╫ñ╦ñ╩ñδñ▐ñ╟Ñφí╝Ñ╔ñ╣ñδ╔¼═╫ñ¼ñ╩ññ (ñ└ñ½ñΘÑßÑΓÑΩñΓ╛├╚±ñ╖ñ╩ññ)
  198.     ñ│ñ╚ñ╟ñ╣íú╔¼═╫ñ╩ñΘñ╨íó┤≡╦▄Ñ╫ÑφÑ░ÑΘÑαñ╬╡í╟╜ñ≥│╚─Ññ╣ñδñ┐ñßñ╦
  199.     ñ│ñ∞ñΘñ╬╔⌠╩¼ñ≥╞░┼¬ñ╦Ñφí╝Ñ╔ñ╣ñδñ│ñ╚ñ¼ñ╟ñ¡ñ▐ñ╣íú</p>
  200.  
  201.     <p>ñ│ñ╬ DSO ╡í╣╜ñ╧┤╩├▒ñ╩ñΦñªñ╦╕½ñ¿ñ▐ñ╣ñ¼íó╛»ñ╩ñ»ñ╚ñΓ░∞ñ─╞±ñ╖ññ┼└ñ¼
  202.     ñóñΩñ▐ñ╣: Ñ╫ÑφÑ░ÑΘÑαñ≥│╚─Ññ╣ñδñ┐ñßñ╦ DSO ñ≥╗╚ñ├ñ╞ñññδñ╚ñ¡ñ╦íó
  203.     DSO ñ¼╝┬╣╘Ñ╫ÑφÑ░ÑΘÑαñ½ñΘÑ╖Ñ≤Ñ▄Ñδñ≥▓≥╖Φñ╣ñδ┼└ñ╟ñ╣ (╞≤╚╓╠▄ñ╬╩²╦í)íú
  204.     ñ│ñ∞ñ╧ñ╩ñ╝ñ╟ñ╖ñτñªñ½íúñ╜ñ∞ñ╧íóDSO ñ╬Ñ╖Ñ≤Ñ▄Ñδñ≥╝┬╣╘Ñ╫ÑφÑ░ÑΘÑαñ╬
  205.     Ñ╖Ñ≤Ñ▄Ñδñ½ñΘí╓╡╒▓≥╖Φí╫ñ╣ñδñ╚ñññªñ╬ñ╧ÑΘÑñÑ╓ÑΘÑΩñ╬└▀╖╫
  206.     (ÑΘÑñÑ╓ÑΘÑΩñ╧ñ╜ñ∞ñ≥╗╚═╤ñ╣ñδÑ╫ÑφÑ░ÑΘÑαñ╬ñ│ñ╚ñ╧▓┐ñΓ
  207.     ├╬ñΘñ╩ññ) ñ╦╚┐ñ╖ñ╞ñññ╞íóñ│ñ╬╡í╟╜ñ╧ñ╣ñ┘ñ╞ñ╬Ñ╫ÑΘÑ├Ñ╚Ñ╒Ñ⌐í╝Ñαñ╦
  208.     ñóñδñ∩ñ▒ñ╟ñ╧ñ╩ñ»íó╔╕╜α▓╜ñΓñ╡ñ∞ñ╞ñññ╩ñññ½ñΘñ╟ñ╣íú
  209.     ╝┬║▌ñ╦ñ╧╝┬╣╘Ñ╫ÑφÑ░ÑΘÑαñ╬Ñ░Ñφí╝Ñ╨Ñδñ╩Ñ╖Ñ≤Ñ▄Ñδñ╧║╞Ñ¿Ñ»Ñ╣Ñ▌í╝Ñ╚ñ╡ñ∞ñδñ│ñ╚ñ╧
  210.     ñóñ▐ñΩñ╩ñ»íóDSO ñ½ñΘ╗╚ñªñ│ñ╚ñ¼ñ╟ñ¡ñ▐ñ╗ñ≤íúÑΩÑ≤ѽñ╦Ñ░Ñφí╝Ñ╨ÑδÑ╖Ñ≤Ñ▄Ñδñ╣ñ┘ñ╞ñ≥
  211.     Ñ¿Ñ»Ñ╣Ñ▌í╝Ñ╚ñ╣ñδñΦñªñ╦ñ╡ñ╗ñδ╩²╦íñ≥╕½ñ─ñ▒ñδñ│ñ╚ñ¼íó╝┬╣╘╗■ñ╦Ñ╫ÑφÑ░ÑΘÑαñ≥
  212.     │╚─Ññ╣ñδñ┐ñßñ╦ DSO ñ≥╗╚ñªñ╚ñ¡ñ╬░∞╚╓ñ╬╠Σ┬Ωñ╟ñ╣íú</p>
  213.  
  214.     <p>╢ª═¡ÑΘÑñÑ╓ÑΘÑΩñ╬ÑóÑ╫Ñφí╝Ñ┴ñ¼╔ß─╠ñ╬╩²╦íñ╟ñ╣íúDSO ╡í╣╜ñ╧ñ╜ñ╬ñ┐ñßñ╦
  215.     └▀╖╫ñ╡ñ∞ñ┐ñΓñ╬ñ╟ñ╣ñ½ñΘíúñ╖ñ┐ñ¼ñ├ñ╞íóñ╜ñ╬╩²╦íñ╧ѬÑ┌Ñ∞í╝Ñ╞ÑúÑ≤Ñ░Ñ╖Ñ╣Ñ╞Ñαñ¼
  216.     ─≤╢íñ╣ñδñ█ñ╚ñ≤ñ╔ñ╣ñ┘ñ╞ñ╬╝∩╬αñ╬ÑΘÑñÑ╓ÑΘÑΩñ╟╗╚ñ∩ñ∞ñ╞ñññ▐ñ╣íú
  217.     ░∞╩²íóÑ╫ÑφÑ░ÑΘÑαñ╬│╚─Ññ╬ñ┐ñßñ╦╢ª═¡Ñ¬Ñ╓Ñ╕ѺѻÑ╚ñ≥╗╚═╤ñ╣ñδíóñ╚ñññª╩²ñ╧
  218.     ñóñ▐ñΩ╗╚ñ∩ñ∞ñ╞ñññ▐ñ╗ñ≤íú</p>
  219.  
  220.     <p>1998 ╟»ñ╬╗■┼└ñ╟íó╝┬╣╘╗■ñ╦╝┬║▌ñ╦╡í╟╜│╚─Ññ╬ñ┐ñßñ╦ DSO ╡í╣╜ñ≥╗╚ñ├ñ╞ñññδ
  221.     Ñ╜Ñ╒Ñ╚ѪѺÑóÑ╤Ñ├Ñ▒í╝Ñ╕ñ╧╛»ñ╖ñ└ñ▒ñ╟ñ╖ñ┐: Perl 5 (XS ╡í╣╜ñ╚ DnaLoader ÑΓÑ╕Ñσí╝Ñδ
  222.     ñ╦ñΦñδñΓñ╬)íóNetscape Ñ╡í╝Ñ╨<em>ñ╩ñ╔</em>ñ╟ñ╣íúApache ñ╧ñ╣ñ╟ñ╦
  223.     ÑΓÑ╕Ñσí╝Ñδñ╬│╡╟░ñ≥╗╚ñ├ñ╞╡í╟╜│╚─Ññ≥ñ╖ñ╞ñññ╞íó╞Γ╔⌠┼¬ñ╦Ñ╟ÑúÑ╣Ñ╤Ñ├Ñ┴ÑΩÑ╣Ñ╚ñ╦
  224.     ┤≡ñ┼ñññ┐│░╔⌠ÑΓÑ╕Ñσí╝Ñδñ╬ Apache Ñ│Ñó╡í╟╜ñ╪ñ╬ÑΩÑ≤Ñ»ñ≥╣╘ñ╩ñ├ñ╞ñññ▐ñ╖ñ┐ñ╬ñ╟íó
  225.     Ñ╨í╝Ñ╕ÑτÑ≤ 1.3 ñ½ñΘíóApache ñΓ DSO ╡í╣╜ñ≥╗╚ñª├τ┤╓ñ╦ñ╩ñΩñ▐ñ╖ñ┐íú
  226.     Apache ñ╧╝┬╣╘╗■ñ╦ DSO ñ≥╗╚ñ├ñ╞ÑΓÑ╕Ñσí╝Ñδñ≥Ñφí╝Ñ╔ñ╣ñδñΦñªñ╦ñ╣ñ╟ñ╦
  227.     ▒┐╠┐╔╒ñ▒ñΘñ∞ñ╞ñññ┐ñ╬ñ╟ñ╣íú</p>
  228. </div><div class="top"><a href="#page-header"><img alt="top" src="./images/up.gif" /></a></div>
  229. <div class="section">
  230. <h2><a name="advantages" id="advantages">═°┼└ñ╚╖τ┼└</a></h2>
  231.  
  232.     <p>╛σ╡¡ñ╬ DSO ñ╦┤≡ñ┼ñññ┐╡í╟╜ñ╧░╩▓╝ñ╬═°┼└ñ¼ñóñΩñ▐ñ╣:</p>
  233.  
  234.     <ul>
  235.       <li>╝┬║▌ñ╬Ñ╡í╝Ñ╨Ñ╫ÑφÑ╗Ñ╣ñ≥┴╚ñ▀╬⌐ñ╞ñδñ┐ñßñ╦íó
  236.       Ñ╙ÑδÑ╔╗■ñ╦ <code>configure</code> ñ╬ѬÑ╫Ñ╖ÑτÑ≤ñ≥╗╚ñª┬σñ∩ñΩñ╦
  237.       ╝┬╣╘╗■ñ╦ <code>httpd.conf</code> ñ╬└▀─Ω═╤Ñ│Ñ▐Ñ≤Ñ╔
  238.       <code class="directive"><a href="./mod/mod_so.html#loadmodule">LoadModule</a></code>
  239.       ñ≥╗╚ñªñ│ñ╚ñ¼ñ╟ñ¡ñ▐ñ╣ñ╬ñ╟íóÑ╡í╝Ñ╨Ñ╤Ñ├Ñ▒í╝Ñ╕ñ╬╜└╞≡└¡ñ¼╣Γñ▐ñΩñ▐ñ╖ñ┐íú
  240.       ñ┐ñ╚ñ¿ñ╨íó░∞ñ─ñ╬ Apache ñ╬ÑñÑ≤Ñ╣Ñ╚í╝Ñδñ½ñΘ
  241.       ░πñª╣╜└«ñ╬Ñ╡í╝Ñ╨ (╔╕╜α╚╟ñ╚ SSL ╚╟íó║╟╛«╣╜└«ñ╚│╚─Ñ╚╟ [mod_perl, PHP3]
  242.       <em>ñ╩ñ╔</em>) ñ≥╝┬╣╘ñ╣ñδñ│ñ╚ñ¼ñ╟ñ¡ñ▐ñ╣íú</li>
  243.  
  244.       <li>ÑñÑ≤Ñ╣Ñ╚í╝Ñδñ╬╕σñ╟ñóñ├ñ╞ñΓíóÑ╡í╝Ñ╨ñ╬Ñ╤Ñ├Ñ▒í╝Ñ╕ñ≥Ñ╡í╝Ñ╔Ñ╤í╝Ñ╞Ñú
  245.       ÑΓÑ╕Ñσí╝Ñδñ╟┤╩├▒ñ╦│╚─Ññ╟ñ¡ñδñΦñªñ╦ñ╩ñΩñ▐ñ╖ñ┐íúñ│ñ∞ñ╧íóApache Ñ│Ñó
  246.       Ñ╤Ñ├Ñ▒í╝Ñ╕ñ╚íóPHP3, mod_perl, mod_fastcgi <em>ñ╩ñ╔</em> ñ╬─╔▓├ñ╬
  247.       Ñ╤Ñ├Ñ▒í╝Ñ╕ñ≥║ε└«ñ╟ñ¡ñδñ╬ñ╟íó╛»ñ╩ñ»ñ╚ñΓÑ┘Ñ≤Ñ└ñ╬Ñ╤Ñ├Ñ▒í╝Ñ╕┤╔═²╝╘ñ╦ñ╚ñ├ñ╞
  248.       ┬τñ¡ñ╩═°┼└ñ¼ñóñΩñ▐ñ╣íú</li>
  249.  
  250.       <li>Apache ÑΓÑ╕Ñσí╝Ñδñ╬│½╚»ñ¼┤╩├▒ñ╦ñ╩ñΩñ▐ñ╣íú
  251.       ñ│ñ∞ñ╧ DSO ñ╚ <code class="program"><a href="./programs/apxs.html">apxs</a></code> ñ╬┴╚ñ▀╣τñ∩ñ╗ñ╦ñΦñΩíóApache Ñ╜í╝Ñ╣Ñ─ÑΩí╝ñ╬
  252.       │░ñ╟║ε╢╚ñ╟ñ¡íó│½╚»├µñ╬ÑΓÑ╕Ñσí╝Ñδñ╬┐╖ñ╖ññÑ╨í╝Ñ╕ÑτÑ≤ñ≥
  253.       ╝┬╣╘├µñ╬ Apache Ñ╡í╝Ñ╨ñ╦┴╚ñ▀╣■ñαñ┐ñßñ╦ <code>apxs -i</code> ñ╚
  254.       <code>apachectl restart</code> ñ≥╣╘ñ╩ñªñ└ñ▒ñ╟╬╔ñ»ñ╩ñδñ½ñΘñ╟ñ╣íú</li>
  255.     </ul>
  256.  
  257.     <p>DSO ñ╦ñ╧░╩▓╝ñ╬╖τ┼└ñ¼ñóñΩñ▐ñ╣:</p>
  258.  
  259.     <ul>
  260.       <li>ñ╣ñ┘ñ╞ñ╬ѬÑ┌Ñ∞í╝Ñ╞ÑúÑ≤Ñ░Ñ╖Ñ╣Ñ╞Ñαñ¼Ñ╫ÑφÑ░ÑΘÑαñ╬ÑóÑ╔Ñ∞Ñ╣╢⌡┤╓ñ╦
  261.       Ñ│í╝Ñ╔ñ≥╞░┼¬Ñφí╝Ñ╔ñ╣ñδñ│ñ╚ñ≥Ñ╡Ñ▌í╝Ñ╚ñ╖ñ╞ñññδñ∩ñ╟ñ╧ñ╩ñññ╬ñ╟íó
  262.       Ñ╫ÑΘÑ├Ñ╚Ñ╒Ñ⌐í╝Ñαñ╦ñΦñ├ñ╞ñ╧ DSO ╡í╣╜ñ╧╗╚ñ¿ñ▐ñ╗ñ≤íú</li>
  263.  
  264.       <li>Unix ñ╬Ñφí╝Ñ└ñ¼Ñ╖Ñ≤Ñ▄Ñδñ╬▓≥╖Φñ≥ñ╣ñδ╔¼═╫ñ¼ñ╟ñ¡ñ┐ñ╬ñ╟íó
  265.       ñ╜ñ╬Ѭí╝Ñ╨Ñ╪Ñ├Ñ╔ñ╦ñΦñΩÑ╡í╝Ñ╨ñ╬╡»╞░╗■┤╓ñ¼╠≤ 20% ├┘ñ»ñ╩ñ├ñ╞ñññ▐ñ╣íú</li>
  266.  
  267.       <li>░╠├╓╚≤░═┬╕Ñ│í╝Ñ╔ (PIC) (╠⌡├φ position independent code) ñ╧
  268.       ┴Ω┬╨ÑóÑ╔Ñ∞Ñ╣ñ╬ñ┐ñßñ╦╩ú╗¿ñ╩ÑóÑ╗Ñ≤Ñ╓ÑΘñ╬Ñ╚ÑΩÑ├Ñ»ñ¼╔¼═╫ñ╩ñ│ñ╚ñ¼ñóñΩíó
  269.       ñ╜ñ∞ñ╧╔¼ñ║ñ╖ñΓ└Σ┬╨ÑóÑ╔Ñ∞Ñ╣ñ╚╞▒ñ╕ñ»ñΘñññ╬┬«┼┘ñ¼ñ╟ñδñ∩ñ▒ñ╟ñ╧ñóñΩñ▐ñ╗ñ≤ñ╬ñ╟íó
  270.       Ñ╫ÑΘÑ├Ñ╚Ñ╒Ñ⌐í╝Ñαñ╦ñΦñ├ñ╞ñ╧Ñ╡í╝Ñ╨ñ╬╝┬╣╘┬«┼┘ñ¼╠≤ 5% ├┘ñ»ñ╩ñΩñ▐ñ╣íú</li>
  271.  
  272.       <li>DSO ÑΓÑ╕Ñσí╝Ñδñ╧ñ╣ñ┘ñ╞ñ╬Ñ╫ÑΘÑ├Ñ╚Ñ╒Ñ⌐í╝Ñαñ╟┬╛ñ╬ DSO ñ╦┤≡ñ┼ñññ┐
  273.       ÑΘÑñÑ╓ÑΘÑΩñ╦┬╨ñ╖ñ╞ÑΩÑ≤Ñ»ñ╟ñ¡ñδ (<code>ld -lfoo</code>)
  274.       ñ╚ñññªñ∩ñ▒ñ╟ñ╧ñóñΩñ▐ñ╗ñ≤ñ╬ñ╟ (ñ┐ñ╚ñ¿ñ╨íóa.out ñ╬Ñ╫ÑΘÑ├Ñ╚Ñ╒Ñ⌐í╝Ñαñ╟ñ╧
  275.       ñ│ñ╬╡í╟╜ñ╧ñóñΩñ▐ñ╗ñ≤ñ¼íóELF ñ╬Ñ╫ÑΘÑ├Ñ╚Ñ╒Ñ⌐í╝Ñαñ╦ñ╧ñóñΩñ▐ñ╣)íó
  276.       ñ╣ñ┘ñ╞ñ╬╝∩╬αñ╬ÑΓÑ╕Ñσí╝Ñδñ╦ DSO ╡í╣╜ñ≥╗╚ñ¿ñδñ∩ñ▒ñ╟ñ╧ñóñΩñ▐ñ╗ñ≤íú
  277.       ╕└ññ┤╣ñ¿ñδñ╚íóDSO Ñ╒ÑíÑñÑδñ╚ñ╖ñ╞Ñ│Ñ≤Ñ╤ÑñÑδñ╡ñ∞ñ┐ÑΓÑ╕Ñσí╝Ñδñ╬
  278.       ╗╚ñ¿ñδÑ╖Ñ≤Ñ▄Ñδñ╧íó
  279.       Apache ñ╬Ñ│Ñóñ╬Ñ╖Ñ≤Ñ▄ÑδíóC ÑΘÑñÑ╓ÑΘÑΩ (<code>libc</code>) ñ╚
  280.       Apache Ñ│Ñóñ¼╗╚ñ├ñ╞ñññδ┬╛ñ╬ñ╣ñ┘ñ╞ñ╬└┼┼¬ñ╩ÑΘÑñÑ╓ÑΘÑΩñ╚╞░┼¬ÑΘÑñÑ╓ÑΘÑΩñ╬
  281.       Ñ╖Ñ≤Ñ▄ÑδíóPIC ñ╦ñΦñδ└┼┼¬ñ╩ÑΘÑñÑ╓ÑΘÑΩ (<code>libfoo.a</code>) ñ╬
  282.       Ñ╖Ñ≤Ñ▄Ñδñ╬ñ▀ñ╦└⌐╕┬ñ╡ñ∞ñ▐ñ╣íúñ╜ñ╬┬╛ñ╬Ñ│í╝Ñ╔ñ≥╗╚ñª╩²╦íñ╧íó
  283.       Apache Ñ│Ñó╝½┐╚ñ¼ñ╣ñ╟ñ╦ñ╜ñ╬Ñ│í╝Ñ╔ñ╪ñ╬╗▓╛╚ñ¼ñóñδñΦñªñ╦ñ╣ñδñ½íó
  284.       <code>dlopen ()</code> ñ≥╗╚ñ├ñ╞Ñ│í╝Ñ╔ñ≥╝½╩¼╝½┐╚ñ╟Ñφí╝Ñ╔ñ╣ñδñ½ñ╬
  285.      ñ╔ñ┴ñΘñ½ñ╖ñ½ñóñΩñ▐ñ╗ñ≤íú</li>
  286.     </ul>
  287.  
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