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<?xml version="1.0" encoding="iso-2022-jp"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="ja" xml:lang="ja"><head><!--
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
This file is generated from xml source: DO NOT EDIT
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
-->
<title>$BF0E*6&M-%*%V%8%'%/%H(B (DSO) $B%5%]!<%H(B - Apache HTTP $B%5!<%P(B</title>
<link href="./style/css/manual.css" rel="stylesheet" media="all" type="text/css" title="Main stylesheet" />
<link href="./style/css/manual-loose-100pc.css" rel="alternate stylesheet" media="all" type="text/css" title="No Sidebar - Default font size" />
<link href="./style/css/manual-print.css" rel="stylesheet" media="print" type="text/css" />
<link href="./images/favicon.ico" rel="shortcut icon" /></head>
<body id="manual-page"><div id="page-header">
<p class="menu"><a href="./mod/">$B%b%8%e!<%k(B</a> | <a href="./mod/directives.html">$B%G%#%l%/%F%#%V(B</a> | <a href="./faq/">FAQ</a> | <a href="./glossary.html">$BMQ8l(B</a> | <a href="./sitemap.html">$B%5%$%H%^%C%W(B</a></p>
<p class="apache">Apache HTTP $B%5!<%P(B $B%P!<%8%g%s(B 2.1</p>
<img alt="" src="./images/feather.gif" /></div>
<div class="up"><a href="./"><img title="<-" alt="<-" src="./images/left.gif" /></a></div>
<div id="path">
<a href="http://www.apache.org/">Apache</a> > <a href="http://httpd.apache.org/">HTTP $B%5!<%P(B</a> > <a href="http://httpd.apache.org/docs-project/">$B%I%-%e%a%s%F!<%7%g%s(B</a> > <a href="./">$B%P!<%8%g%s(B 2.1</a></div><div id="page-content"><div id="preamble"><h1>$BF0E*6&M-%*%V%8%'%/%H(B (DSO) $B%5%]!<%H(B</h1>
<p>Apache HTTP $B%5!<%P$O%b%8%e!<%k2=$5$l$?%W%m%0%i%`$G!"(B
$B4IM}<T$,%b%8%e!<%k$rA*Br$9$k$3$H$G%5!<%P$KAH$_9~$`5!G=$rA*$V$3$H$,$G$-$^$9!#(B
$B%b%8%e!<%k$O%5!<%P$,%S%k%I$5$l$k$H$-$K(B <code>httpd</code> $B%P%$%J%j$K(B
$B@EE*$KAH$_9~$`$3$H$,$G$-$^$9!#$b$7$/$O!"(B<code>httpd</code> $B%P%$%J%j$H$O(B
$BJL$KB8:_$9$kF0E*6&M-%*%V%8%'%/%H(B ($BLuCm(B: Dynamic Shared Object)
(DSO) $B$H$7$F%3%s%Q%$%k$9$k$3$H$b(B
$B$G$-$^$9!#(BDSO $B%b%8%e!<%k$O%5!<%P$,%S%k%I$5$l$k$H$-$K%3%s%Q%$%k$7$?$j!"(B
Apache $B3HD%%D!<%k(B (<a href="programs/apxs.html">apxs</a>) $B$r(B
$B;H$C$F8e$G%3%s%Q%$%k$7$FDI2C$7$?$j$G$-$^$9!#(B</p>
<p>$B$3$NJ8=q$O(B DSO $B%b%8%e!<%k$N;H$$J}$H!";EAH$_$K$D$$$F(B
$B@bL@$7$^$9!#(B</p>
</div>
<div id="quickview"><ul id="toc"><li><img alt="" src="./images/down.gif" /> <a href="#implementation">$B<BAu(B</a></li>
<li><img alt="" src="./images/down.gif" /> <a href="#usage">$B;HMQK!$N35MW(B</a></li>
<li><img alt="" src="./images/down.gif" /> <a href="#background">$BGX7J(B</a></li>
<li><img alt="" src="./images/down.gif" /> <a href="#advantages">$BMxE@$H7gE@(B</a></li>
</ul></div>
<div class="top"><a href="#page-header"><img alt="top" src="./images/up.gif" /></a></div>
<div class="section">
<h2><a name="implementation" id="implementation">$B<BAu(B</a></h2>
<table class="related"><tr><th>$B4XO"%b%8%e!<%k(B</th><th>$B4XO"%G%#%l%/%F%#%V(B</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>
<p>$B8D!9$N(B Apache $B%b%8%e!<%k$r%m!<%I$9$k$?$a$N(B DSO $B%5%]!<%H$O(B
<code class="module"><a href="./mod/mod_so.c.html">mod_so.c</a></code> $B$H$$$&%b%8%e!<%k$N5!G=$K4p$E$$$F$$$^$9!#(B
$B$3$N%b%8%e!<%k(B $B$O(B Apache $B$N%3%"$K@EE*$KAH$_9~$^$l$F$$$kI,MW$,$"$j$^$9!#(B
$B$=$l$O(B <code class="module"><a href="./mod/core.c.html">core.c</a></code> $B0J30$G$O(B DSO $B$K$G$-$J$$M#0l$N(B
$B%b%8%e!<%k$G$9!#;v<B>e!"B>$N$9$Y$F$N(B Apache $B$N%b%8%e!<%k$O!"(B
<a href="install.html">$B%$%s%9%H!<%k$NJ8=q(B</a>$B$G@bL@$5$l$F$$$k$h$&$K!"(B
<code>configure</code> $B$N(B
<code>--enable-<em>module</em>=shared</code> $B%*%W%7%g%s$G$=$l$>$l$r(B
DSO $B%S%k%I$K$9$k$3$H$K$h$j!"(BDSO $B%b%8%e!<%k$K$9$k$3$H$,$G$-$^$9!#(B
<code>mod_foo.so</code> $B$N$h$&$J(B DSO $B$K%b%8%e!<%k$,%3%s%Q%$%k$5$l$l$P!"(B
<code>httpd.conf</code> $B%U%!%$%kCf$G(B <code class="module"><a href="./mod/mod_so.html">mod_so</a></code> $B$N(B
<code class="directive"><a href="./mod/mod_so.html#loadmodule">LoadModule</a></code>
$B%G%#%l%/%F%#%V$r;H$&$3$H$G%5!<%P$N5/F0$d:F5/F0;~$K$3$N%b%8%e!<%k$r(B
$B%m!<%I$9$k$h$&$K$G$-$^$9!#(B</p>
<p>Apache $B%b%8%e!<%kMQ$N(B ($BFC$K%5!<%I%Q!<%F%#%b%8%e!<%k$N(B) DSO $B%U%!%$%k$N(B
$B:n@.$r4JC1$K$9$k$?$a$K!"(B<a href="programs/apxs.html">apxs</a>
(<em>APache eXtenSion</em>) $B$H$$$&?7$7$$%5%]!<%H%W%m%0%i%`$,$"$j$^$9!#(B
Apache $B$N%=!<%9%D%j!<$N(B<em>$B30$G(B</em> DSO $B%b%8%e!<%k$r%S%k%I$9$k$?$a$K(B
$B;H$&$3$H$,$G$-$^$9!#H/A[$OC1=c$G$9(B: Apache $B$N%$%s%9%H!<%k;~$N(B
<code>configure</code>$B!"(B<code>make install</code> $B$N$H$-$K(B Apache $B$N(B
C $B%X%C%@$r%$%s%9%H!<%k$7!"(BDSO $B%S%k%IMQ$N%W%i%C%H%U%)!<%`0MB8$N(B
$B%3%s%Q%$%i$H%j%s%+$N%U%i%0$r(B <code>apxs</code> $B%W%m%0%i%`$KDI2C$7$^$9!#(B
$B$3$l$K$h$j!"%f!<%6$,(B Apache $B$NG[I[%=!<%9%D%j!<$J$7$G!"$5$i$K(B
DSO $B%5%]!<%H$N$?$a$N%W%i%C%H%U%)!<%`0MB8$N%3%s%Q%$%i$d%j%s%+$N(B
$B%U%i%0$r$$$8$k$3$H$J$/(B Apache $B$N%b%8%e!<%k$N%=!<%9$r%3%s%Q%$%k(B
$B$G$-$k$h$&$K$J$j$^$9!#(B</p>
</div><div class="top"><a href="#page-header"><img alt="top" src="./images/up.gif" /></a></div>
<div class="section">
<h2><a name="usage" id="usage">$B;HMQK!$N35MW(B</a></h2>
<p>Apache 2.0 $B$N(B DSO $B5!G=$N35N,$rCN$k$3$H$,$G$-$k$?$a$N!"(B
$BC;$/4J7i$J35MW$G$9(B:</p>
<ol>
<li>
<em>$BG[I[$5$l$F$$$k(B</em> Apache $B%b%8%e!<%k!"2>$K(B <code>mod_foo.c</code>
$B$H$7$F!"$=$l$r(B DSO <code>mod_foo.so</code> $B$K%S%k%I!"%$%s%9%H!<%k(B:
<div class="example"><p><code>
$ ./configure --prefix=/path/to/install --enable-foo=shared<br />
$ make install
</code></p></div>
</li>
<li>
<em>$B%5!<%I%Q!<%F%#(B</em> Apache $B%b%8%e!<%k!"2>$K(B <code>mod_foo.c</code>
$B$H$7$F!"$=$l$r(B DSO <code>mod_foo.so</code> $B$K%S%k%I!"%$%s%9%H!<%k(B:
<div class="example"><p><code>
$ ./configure --add-module=module_type:/path/to/3rdparty/mod_foo.c --enable-foo=shared<br />
$ make install
</code></p></div>
</li>
<li>
$B6&M-%b%8%e!<%k$N(B <em>$B8e!9$N%$%s%9%H!<%k(B</em> $B$N$?$a$K(B
Apache $B$r@_Dj(B:
<div class="example"><p><code>
$ ./configure --enable-so<br />
$ make install
</code></p></div>
</li>
<li>
<em>$B%5!<%I%Q!<%F%#(B</em> Apache $B%b%8%e!<%k!"2>$K(B <code>mod_foo.c</code>
$B$H$7$F!"$=$l$r(B <a href="programs/apxs.html">apxs</a> $B$r;H$C$F(B
Apache $B%=!<%9%D%j!<$N(B<em>$B30$G(B</em> DSO $B$K%S%k%I!"%$%s%9%H!<%k(B:
<div class="example"><p><code>
$ cd /path/to/3rdparty<br />
$ apxs -c mod_foo.c<br />
$ apxs -i -a -n foo mod_foo.la
</code></p></div>
</li>
</ol>
<p>$B$I$N>l9g$K$*$$$F$b!"6&M-%b%8%e!<%k$r%3%s%Q%$%k$7$?8e$G!"(B
<code>httpd.conf</code> $B$G(B
<code class="directive"><a href="./mod/mod_so.html#loadmodule">LoadModule</a></code>
$B%G%#%l%/%F%#%V$r;H$C$F(B Apache $B$,%b%8%e!<%k$r;HMQ$9$k$h$&$K(B
$B$7$J$1$l$P$J$j$^$;$s!#(B</p>
</div><div class="top"><a href="#page-header"><img alt="top" src="./images/up.gif" /></a></div>
<div class="section">
<h2><a name="background" id="background">$BGX7J(B</a></h2>
<p>$B:G6a$N(B Unix $B7O$N(B OS $B$K$O(B <em>$BF0E*6&M-%*%V%8%'%/%H(B</em> (DSO)
$B$NF0E*%j%s%/(B/$B%m!<%I$H$$$&5$$N$-$$$?5!9=$,(B
$BB8:_$7$^$9!#$3$l$O!"<B9T;~$K%W%m%0%i%`$N%"%I%l%96u4V$K(B
$B%m!<%I$G$-$k$h$&$JFCJL$J7A<0$G%W%m%0%i%`$r%S%k%I$9$k$3$H$r(B
$B2DG=$K$7$^$9!#(B</p>
<p>$B$3$N%m!<%I$OFs$D$NJ}K!$G9T$J$&$3$H$,$G$-$^$9(B: $B<B9T%W%m%0%i%`$,(B
$B5/F0$5$l$?$H$-$K(B <code>lod.so</code> $B$H$$$&%7%9%F%`%W%m%0%i%`(B
$B$K$h$j<+F0E*$K9T$J$o$l$kJ}K!$H!"<B9T%W%m%0%i%`Cf$+$i!"%7%9%F%`%3!<%k(B
<code>dlopen()/dlsym()</code> $B$K$h$k(B Unix $B%m!<%@$X$N(B
$B%W%m%0%i%`%7%9%F%`$N%$%s%?%U%'!<%9$r;H$C$F<jF0$G9T$J$&J}K!$H$,(B
$B$"$j$^$9!#(B</p>
<p>$B:G=i$NJ}K!$G$O(B DSO $B$OIaDL$O(B<em>$B6&M-%i%$%V%i%j(B</em>$B$d(B <em>DSO
$B%i%$%V%i%j(B</em> $B$H8F$P$l$F$$$F!"(BDSO $B$NL>A0$O(B
<code>libfoo.so</code> $B$d(B <code>libfoo.so.1.2</code> $B$N$h$&$K$J$C$F$$$^$9!#(B
$B$3$l$i$O%7%9%F%`%G%#%l%/%H%j(B ($BDL>o(B <code>/usr/lib</code>) $B$KB8:_$7!"(B
$B<B9T%W%m%0%i%`$X$N%j%s%/$O%S%k%I;~$K(B <code>-lfoo</code> $B$r%j%s%+$K(B
$B;XDj$9$k$3$H$G3NN)$5$l$^$9!#$3$l$K$h$j%i%$%V%i%j$X$N;2>H$,<B9T%W%m%0%i%`$N(B
$B%U%!%$%k$K=q$-9~$^$l$F!"5/F0;~$K(B Unix $B$N%m!<%@$,(B <code>/usr/lib</code> $B$d!"(B
$B%j%s%+$N(B <code>-R</code> $B$N$h$&$J%*%W%7%g%s$K$h$j%O!<%I%3!<%I$5$l$?%Q%9!"(B
$B4D6-JQ?t(B <code>LD_LIBRARY_PATH</code> $B$K$h$j@_Dj$5$l$?%Q%9!"$NCf$+$i(B
<code>libfoo.so</code> $B$N>l=j$r8+$D$1$k$3$H$,$G$-$^$9!#$=$l$+$i!"(B
$B<B9T%W%m%0%i%`Cf$N(B ($B$^$@L$2r7h$N(B) $B%7%s%\%k$r(B DSO $B$K$"$k%7%s%\%k$G(B
$B2r7h$7$^$9!#(B</p>
<p>$BIaDL$O<B9T%W%m%0%i%`Cf$N%7%s%\%k$O(B DSO $B$+$i$O;2>H$5$l$^$;$s(B
(DSO $B$O0lHLE*$J%3!<%I$K$h$k:FMxMQ2DG=$J%i%$%V%i%j$G$9$N$G(B)$B!#(B
$B$G$9$+$i!"$5$i$J$k%7%s%\%k$N2r7h$OI,MW$"$j$^$;$s!#(B
$B%7%s%\%k$O(B Unix $B%m!<%@$K$h$j40A4$J2r7h$,9T$J$o$l$^$9$N$G!"<B9T%U%!%$%k<+?H$O(B
$B2?$b$9$kI,MW$,$"$j$^$;$s!#(B($B<B:]$N$H$3$m!"@EE*$G$J$$J}K!$G%j%s%/$5$l$F$$$k(B
$B$9$Y$F$N<B9T%W%m%0%i%`$KAH$_9~$^$l$F$$$k3+;OMQ$N%3!<%I$N0lIt$K(B
<code>ld.so</code> $B$r5/F0$9$k%3!<%I$,4^$^$l$F$$$^$9(B)$B!#$h$/;H$o$l$k(B
$B%i%$%V%i%j$NF0E*%m!<%I$NMxE@$OL@$i$+$G$9!#%i%$%V%i%j$N%3!<%I$O(B
$B%7%9%F%`%i%$%V%i%j$K(B <code>libc.so</code> $B$N$h$&$K$7$F0lEYJ]B8$9$k$@$1$G$h$/!"(B
$B%W%m%0%i%`$N$?$a$KI,MW$J%G%#%9%/$NNN0h$r@aLs$9$k$3$H$,$G$-$^$9!#(B</p>
<p>$BFs$D$a$NJ}K!$G$O(B DSO $B$OIaDL$O(B<em>$B6&M-%*%V%8%'%/%H(B</em>$B$d(B
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($B$?$@$7!"I8=`E*$JL>A0$O(B <code>foo.so</code> $B$G$9(B)$B!#(B
$B$3$l$i$N%U%!%$%k$ODL>o$O%W%m%0%i%`@lMQ$N%G%#%l%/%H%j$KCV$+$l!"(B
$B$3$l$i$r;H$&<B9T%W%m%0%i%`$X$N%j%s%/$O<+F0E*$K$O$5$l$^$;$s!#(B
$B$G$9$N$G!"<B9T%W%m%0%i%`$O(B <code>dlopen()</code> $B$r;H$C$F(B
$B<B9T;~$K<jF0$G(B DSO $B$r%W%m%0%i%`$N%"%I%l%96u4V$K%m!<%I$9$kI,MW$,$"$j$^$9!#(B
$B$3$N;~E@$G$O<B9T%W%m%0%i%`$KBP$7$F(B DSO $B$N%7%s%\%k$N2r7h$O9T$J$o$l$^$;$s!#(B
$B$7$+$7!"$=$NBe$o$j$K(B Unix $B$N%m!<%@$,(B DSO $B$N(B ($B$^$@L$2r7h$N(B) $B%7%s%\%k$r(B
$B<B9T%W%m%0%i%`$K$h$j%(%/%9%]!<%H$5$l$?%7%s%\%k$H4{$K%m!<%I$5$l$?(B
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<code>libc.so</code> $B$N$9$Y$F$N%7%s%\%k(B) $B$G<+F0E*$K2r7h$7$^$9!#(B
$B$3$&$9$k$3$H$G!"(BDSO $B$O:G=i$+$i@EE*$K%j%s%/$5$l$F$$$?$+$N$h$&$K!"(B
$B<B9T%W%m%0%i%`$N%7%s%\%k$rCN$k$3$H$,$G$-$^$9!#(B</p>
<p>$B:G8e$K!"(BDSO $B$N(B API $B$rMxE@$r@8$+$9$?$a$K!"%W%m%0%i%`$O(B
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</div><div class="top"><a href="#page-header"><img alt="top" src="./images/up.gif" /></a></div>
<div class="section">
<h2><a name="advantages" id="advantages">$BMxE@$H7gE@(B</a></h2>
<p>$B>e5-$N(B DSO $B$K4p$E$$$?5!G=$O0J2<$NMxE@$,$"$j$^$9(B:</p>
<ul>
<li>$B<B:]$N%5!<%P%W%m%;%9$rAH$_N)$F$k$?$a$K!"(B
$B%S%k%I;~$K(B <code>configure</code> $B$N%*%W%7%g%s$r;H$&Be$o$j$K(B
$B<B9T;~$K(B <code>httpd.conf</code> $B$N@_DjMQ%3%^%s%I(B
<code class="directive"><a href="./mod/mod_so.html#loadmodule">LoadModule</a></code>
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</ul>
<p>DSO $B$K$O0J2<$N7gE@$,$"$j$^$9(B:</p>
<ul>
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<li>$B0LCVHs0MB8%3!<%I(B (PIC) ($BLuCm(B position independent code) $B$O(B
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$B;H$($k%7%s%\%k$O!"(B
Apache $B$N%3%"$N%7%s%\%k!"(BC $B%i%$%V%i%j(B (<code>libc</code>) $B$H(B
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$B%7%s%\%k!"(BPIC $B$K$h$k@EE*$J%i%$%V%i%j(B (<code>libfoo.a</code>) $B$N(B
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Apache $B%3%"<+?H$,$9$G$K$=$N%3!<%I$X$N;2>H$,$"$k$h$&$K$9$k$+!"(B
<code>dlopen ()</code> $B$r;H$C$F%3!<%I$r<+J,<+?H$G%m!<%I$9$k$+$N(B
$B$I$A$i$+$7$+$"$j$^$;$s!#(B</li>
</ul>
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