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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.13"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>Apache Portable Runtime: Dynamic Object Handling</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="search/searchdata.js"></script> <script type="text/javascript" src="search/search.js"></script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td id="projectalign" style="padding-left: 0.5em;"> <div id="projectname">Apache Portable Runtime </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.13 --> <script type="text/javascript"> var searchBox = new SearchBox("searchBox", "search",false,'Search'); </script> <script type="text/javascript" src="menudata.js"></script> <script type="text/javascript" src="menu.js"></script> <script type="text/javascript"> $(function() { initMenu('',true,false,'search.php','Search'); $(document).ready(function() { init_search(); }); }); </script> <div id="main-nav"></div> </div><!-- top --> <!-- window showing the filter options --> <div id="MSearchSelectWindow" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" onkeydown="return searchBox.OnSearchSelectKey(event)"> </div> <!-- iframe showing the search results (closed by default) --> <div id="MSearchResultsWindow"> <iframe src="javascript:void(0)" frameborder="0" name="MSearchResults" id="MSearchResults"> </iframe> </div> <div class="header"> <div class="summary"> <a href="#typedef-members">Typedefs</a> | <a href="#func-members">Functions</a> </div> <div class="headertitle"> <div class="title">Dynamic Object Handling<div class="ingroups"><a class="el" href="group___a_p_r.html">Apache Portability Runtime library</a></div></div> </div> </div><!--header--> <div class="contents"> <div class="dynheader"> Collaboration diagram for Dynamic Object Handling:</div> <div class="dyncontent"> <center><table><tr><td><img src="group__apr__dso.png" border="0" alt="" usemap="#group____apr____dso"/> <!-- MAP 0 --> </td></tr></table></center> </div> <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="typedef-members"></a> Typedefs</h2></td></tr> <tr class="memitem:ga85e7e28490d026aeed78bd78e9933472"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="group__apr__dso.html#ga85e7e28490d026aeed78bd78e9933472">apr_dso_handle_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__dso.html#ga85e7e28490d026aeed78bd78e9933472">apr_dso_handle_t</a></td></tr> <tr class="separator:ga85e7e28490d026aeed78bd78e9933472"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gaf1aa0a039e8003586cfdfbc4ac57e775"><td class="memItemLeft" align="right" valign="top">typedef void * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__dso.html#gaf1aa0a039e8003586cfdfbc4ac57e775">apr_dso_handle_sym_t</a></td></tr> <tr class="separator:gaf1aa0a039e8003586cfdfbc4ac57e775"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a> Functions</h2></td></tr> <tr class="memitem:gaedc8609c2bb76e5c43f2df2281a9d8b6"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__apr__errno.html#gaf76ee4543247e9fb3f3546203e590a6c">apr_status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__dso.html#gaedc8609c2bb76e5c43f2df2281a9d8b6">apr_dso_load</a> (<a class="el" href="group__apr__dso.html#ga85e7e28490d026aeed78bd78e9933472">apr_dso_handle_t</a> **res_handle, const char *path, <a class="el" href="group__apr__pools.html#gaf137f28edcf9a086cd6bc36c20d7cdfb">apr_pool_t</a> *ctx)</td></tr> <tr class="separator:gaedc8609c2bb76e5c43f2df2281a9d8b6"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga4c7b1b4e98a5d23c56182ece047fbb7b"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__apr__errno.html#gaf76ee4543247e9fb3f3546203e590a6c">apr_status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__dso.html#ga4c7b1b4e98a5d23c56182ece047fbb7b">apr_dso_unload</a> (<a class="el" href="group__apr__dso.html#ga85e7e28490d026aeed78bd78e9933472">apr_dso_handle_t</a> *handle)</td></tr> <tr class="separator:ga4c7b1b4e98a5d23c56182ece047fbb7b"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gae84cd7041976787d73a9558e3393b97c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__apr__errno.html#gaf76ee4543247e9fb3f3546203e590a6c">apr_status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__dso.html#gae84cd7041976787d73a9558e3393b97c">apr_dso_sym</a> (<a class="el" href="group__apr__dso.html#gaf1aa0a039e8003586cfdfbc4ac57e775">apr_dso_handle_sym_t</a> *ressym, <a class="el" href="group__apr__dso.html#ga85e7e28490d026aeed78bd78e9933472">apr_dso_handle_t</a> *handle, const char *symname)</td></tr> <tr class="separator:gae84cd7041976787d73a9558e3393b97c"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gafa34fc75e1e9b8856385d3b18cfac05c"><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__dso.html#gafa34fc75e1e9b8856385d3b18cfac05c">apr_dso_error</a> (<a class="el" href="group__apr__dso.html#ga85e7e28490d026aeed78bd78e9933472">apr_dso_handle_t</a> *dso, char *buf, apr_size_t bufsize)</td></tr> <tr class="separator:gafa34fc75e1e9b8856385d3b18cfac05c"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <h2 class="groupheader">Typedef Documentation</h2> <a id="gaf1aa0a039e8003586cfdfbc4ac57e775"></a> <h2 class="memtitle"><span class="permalink"><a href="#gaf1aa0a039e8003586cfdfbc4ac57e775">◆ </a></span>apr_dso_handle_sym_t</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">typedef void* <a class="el" href="group__apr__dso.html#gaf1aa0a039e8003586cfdfbc4ac57e775">apr_dso_handle_sym_t</a></td> </tr> </table> </div><div class="memdoc"> <p>Structure for referencing symbols from dynamic objects </p> </div> </div> <a id="ga85e7e28490d026aeed78bd78e9933472"></a> <h2 class="memtitle"><span class="permalink"><a href="#ga85e7e28490d026aeed78bd78e9933472">◆ </a></span>apr_dso_handle_t</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">typedef struct <a class="el" href="group__apr__dso.html#ga85e7e28490d026aeed78bd78e9933472">apr_dso_handle_t</a> <a class="el" href="group__apr__dso.html#ga85e7e28490d026aeed78bd78e9933472">apr_dso_handle_t</a></td> </tr> </table> </div><div class="memdoc"> <p>Structure for referencing dynamic objects </p> </div> </div> <h2 class="groupheader">Function Documentation</h2> <a id="gafa34fc75e1e9b8856385d3b18cfac05c"></a> <h2 class="memtitle"><span class="permalink"><a href="#gafa34fc75e1e9b8856385d3b18cfac05c">◆ </a></span>apr_dso_error()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">const char* apr_dso_error </td> <td>(</td> <td class="paramtype"><a class="el" href="group__apr__dso.html#ga85e7e28490d026aeed78bd78e9933472">apr_dso_handle_t</a> * </td> <td class="paramname"><em>dso</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">char * </td> <td class="paramname"><em>buf</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">apr_size_t </td> <td class="paramname"><em>bufsize</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>Report more information when a DSO function fails. </p><dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">dso</td><td>The dso handle that has been opened </td></tr> <tr><td class="paramname">buf</td><td>Location to store the dso error </td></tr> <tr><td class="paramname">bufsize</td><td>The size of the provided buffer </td></tr> </table> </dd> </dl> </div> </div> <a id="gaedc8609c2bb76e5c43f2df2281a9d8b6"></a> <h2 class="memtitle"><span class="permalink"><a href="#gaedc8609c2bb76e5c43f2df2281a9d8b6">◆ </a></span>apr_dso_load()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group__apr__errno.html#gaf76ee4543247e9fb3f3546203e590a6c">apr_status_t</a> apr_dso_load </td> <td>(</td> <td class="paramtype"><a class="el" href="group__apr__dso.html#ga85e7e28490d026aeed78bd78e9933472">apr_dso_handle_t</a> ** </td> <td class="paramname"><em>res_handle</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const char * </td> <td class="paramname"><em>path</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__apr__pools.html#gaf137f28edcf9a086cd6bc36c20d7cdfb">apr_pool_t</a> * </td> <td class="paramname"><em>ctx</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>Load a DSO library. </p><dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">res_handle</td><td>Location to store new handle for the DSO. </td></tr> <tr><td class="paramname">path</td><td>Path to the DSO library </td></tr> <tr><td class="paramname">ctx</td><td>Pool to use. </td></tr> </table> </dd> </dl> <dl class="bug"><dt><b><a class="el" href="bug.html#_bug000001">Bug:</a></b></dt><dd>We aught to provide an alternative to RTLD_GLOBAL, which is the only supported method of loading DSOs today. </dd></dl> </div> </div> <a id="gae84cd7041976787d73a9558e3393b97c"></a> <h2 class="memtitle"><span class="permalink"><a href="#gae84cd7041976787d73a9558e3393b97c">◆ </a></span>apr_dso_sym()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group__apr__errno.html#gaf76ee4543247e9fb3f3546203e590a6c">apr_status_t</a> apr_dso_sym </td> <td>(</td> <td class="paramtype"><a class="el" href="group__apr__dso.html#gaf1aa0a039e8003586cfdfbc4ac57e775">apr_dso_handle_sym_t</a> * </td> <td class="paramname"><em>ressym</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="group__apr__dso.html#ga85e7e28490d026aeed78bd78e9933472">apr_dso_handle_t</a> * </td> <td class="paramname"><em>handle</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const char * </td> <td class="paramname"><em>symname</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>Load a symbol from a DSO handle. </p><dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">ressym</td><td>Location to store the loaded symbol </td></tr> <tr><td class="paramname">handle</td><td>handle to load the symbol from. </td></tr> <tr><td class="paramname">symname</td><td>Name of the symbol to load. </td></tr> </table> </dd> </dl> </div> </div> <a id="ga4c7b1b4e98a5d23c56182ece047fbb7b"></a> <h2 class="memtitle"><span class="permalink"><a href="#ga4c7b1b4e98a5d23c56182ece047fbb7b">◆ </a></span>apr_dso_unload()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="group__apr__errno.html#gaf76ee4543247e9fb3f3546203e590a6c">apr_status_t</a> apr_dso_unload </td> <td>(</td> <td class="paramtype"><a class="el" href="group__apr__dso.html#ga85e7e28490d026aeed78bd78e9933472">apr_dso_handle_t</a> * </td> <td class="paramname"><em>handle</em></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> <p>Close a DSO library. </p><dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">handle</td><td>handle to close. </td></tr> </table> </dd> </dl> </div> </div> </div><!-- contents --> <!-- start 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