<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"> <title>Apache Portable Runtime: Dynamic Object Handling</title> <link href="doxygen.css" rel="stylesheet" type="text/css"> </head><body> <!-- Generated by Doxygen 1.3.9.1 --> <div class="qindex"><a class="qindex" href="index.html">Main Page</a> | <a class="qindex" href="modules.html">Modules</a> | <a class="qindex" href="annotated.html">Data Structures</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="functions.html">Data Fields</a> | <a class="qindex" href="globals.html">Globals</a> | <a class="qindex" href="pages.html">Related Pages</a></div> <h1>Dynamic Object Handling<br> <small> [<a class="el" href="group__APR.html">Apache Portability Runtime library</a>]</small> </h1><table border="0" cellpadding="0" cellspacing="0"> <tr><td></td></tr> <tr><td colspan="2"><br><h2>Typedefs</h2></td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">typedef <a class="el" href="group__apr__dso.html#ga0">apr_dso_handle_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__dso.html#ga0">apr_dso_handle_t</a></td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">typedef void * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__dso.html#ga1">apr_dso_handle_sym_t</a></td></tr> <tr><td colspan="2"><br><h2>Functions</h2></td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="group__apr__errno.html#ga0">apr_status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__dso.html#ga2">apr_dso_load</a> (<a class="el" href="group__apr__dso.html#ga0">apr_dso_handle_t</a> **res_handle, const char *path, <a class="el" href="group__apr__pools.html#ga0">apr_pool_t</a> *ctx)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="group__apr__errno.html#ga0">apr_status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__dso.html#ga3">apr_dso_unload</a> (<a class="el" href="group__apr__dso.html#ga0">apr_dso_handle_t</a> *handle)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="group__apr__errno.html#ga0">apr_status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__dso.html#ga4">apr_dso_sym</a> (<a class="el" href="group__apr__dso.html#ga1">apr_dso_handle_sym_t</a> *ressym, <a class="el" href="group__apr__dso.html#ga0">apr_dso_handle_t</a> *handle, const char *symname)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__dso.html#ga5">apr_dso_error</a> (<a class="el" href="group__apr__dso.html#ga0">apr_dso_handle_t</a> *dso, char *buf, apr_size_t bufsize)</td></tr> </table> <hr><h2>Typedef Documentation</h2> <a class="anchor" name="ga1" doxytag="apr_dso.h::apr_dso_handle_sym_t"></a><p> <table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">typedef void* <a class="el" href="group__apr__dso.html#ga1">apr_dso_handle_sym_t</a> </td> </tr> </table> </td> </tr> </table> <table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td> <p> Structure for referencing symbols from dynamic objects </td> </tr> </table> <a class="anchor" name="ga0" doxytag="apr_dso.h::apr_dso_handle_t"></a><p> <table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">typedef struct <a class="el" href="group__apr__dso.html#ga0">apr_dso_handle_t</a> <a class="el" href="group__apr__dso.html#ga0">apr_dso_handle_t</a> </td> </tr> </table> </td> </tr> </table> <table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td> <p> Structure for referencing dynamic objects </td> </tr> </table> <hr><h2>Function Documentation</h2> <a class="anchor" name="ga5" doxytag="apr_dso.h::apr_dso_error"></a><p> <table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">const char* apr_dso_error </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top"><a class="el" href="group__apr__dso.html#ga0">apr_dso_handle_t</a> * </td> <td class="mdname" nowrap> <em>dso</em>, </td> </tr> <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap>char * </td> <td class="mdname" nowrap> <em>buf</em>, </td> </tr> <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap>apr_size_t </td> <td class="mdname" nowrap> <em>bufsize</em></td> </tr> <tr> <td class="md"></td> <td class="md">) </td> <td class="md" colspan="2"></td> </tr> </table> </td> </tr> </table> <table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td> <p> Report more information when a DSO function fails. <dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>dso</em> </td><td>The dso handle that has been opened </td></tr> <tr><td valign="top"></td><td valign="top"><em>buf</em> </td><td>Location to store the dso error </td></tr> <tr><td valign="top"></td><td valign="top"><em>bufsize</em> </td><td>The size of the provided buffer </td></tr> </table> </dl> </td> </tr> </table> <a class="anchor" name="ga2" doxytag="apr_dso.h::apr_dso_load"></a><p> <table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"><a class="el" href="group__apr__errno.html#ga0">apr_status_t</a> apr_dso_load </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top"><a class="el" href="group__apr__dso.html#ga0">apr_dso_handle_t</a> ** </td> <td class="mdname" nowrap> <em>res_handle</em>, </td> </tr> <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap>const char * </td> <td class="mdname" nowrap> <em>path</em>, </td> </tr> <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap><a class="el" href="group__apr__pools.html#ga0">apr_pool_t</a> * </td> <td class="mdname" nowrap> <em>ctx</em></td> </tr> <tr> <td class="md"></td> <td class="md">) </td> <td class="md" colspan="2"></td> </tr> </table> </td> </tr> </table> <table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td> <p> Load a DSO library. <dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>res_handle</em> </td><td>Location to store new handle for the DSO. </td></tr> <tr><td valign="top"></td><td valign="top"><em>path</em> </td><td>Path to the DSO library </td></tr> <tr><td valign="top"></td><td valign="top"><em>ctx</em> </td><td>Pool to use. </td></tr> </table> </dl> <p> <dl compact><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> </td> </tr> </table> <a class="anchor" name="ga4" doxytag="apr_dso.h::apr_dso_sym"></a><p> <table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"><a class="el" href="group__apr__errno.html#ga0">apr_status_t</a> apr_dso_sym </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top"><a class="el" href="group__apr__dso.html#ga1">apr_dso_handle_sym_t</a> * </td> <td class="mdname" nowrap> <em>ressym</em>, </td> </tr> <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap><a class="el" href="group__apr__dso.html#ga0">apr_dso_handle_t</a> * </td> <td class="mdname" nowrap> <em>handle</em>, </td> </tr> <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap>const char * </td> <td class="mdname" nowrap> <em>symname</em></td> </tr> <tr> <td class="md"></td> <td class="md">) </td> <td class="md" colspan="2"></td> </tr> </table> </td> </tr> </table> <table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td> <p> Load a symbol from a DSO handle. <dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>ressym</em> </td><td>Location to store the loaded symbol </td></tr> <tr><td valign="top"></td><td valign="top"><em>handle</em> </td><td>handle to load the symbol from. </td></tr> <tr><td valign="top"></td><td valign="top"><em>symname</em> </td><td>Name of the symbol to load. </td></tr> </table> </dl> </td> </tr> </table> <a class="anchor" name="ga3" doxytag="apr_dso.h::apr_dso_unload"></a><p> <table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"><a class="el" href="group__apr__errno.html#ga0">apr_status_t</a> apr_dso_unload </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top"><a class="el" href="group__apr__dso.html#ga0">apr_dso_handle_t</a> * </td> <td class="mdname1" valign="top" nowrap> <em>handle</em> </td> <td class="md" valign="top"> ) </td> <td class="md" nowrap></td> </tr> </table> </td> </tr> </table> <table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td> <p> Close a DSO library. <dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>handle</em> </td><td>handle to close. </td></tr> </table> </dl> </td> </tr> </table> <hr size="1"><address style="align: right;"><small>Generated on Sun Mar 20 19:52:27 2005 for Apache Portable Runtime by <a href="http://www.doxygen.org/index.html"> <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.3.9.1 </small></address> </body> </html>