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<h1>Dynamic Object Handling<br>
<small>
[<a class="el" href="group___a_p_r.html">Apache Portability Runtime library</a>]</small>
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<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#g4d88cc14736839127a81c1ebb31648fd">apr_dso_handle_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__dso.html#g4d88cc14736839127a81c1ebb31648fd">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#g3fdf2bfba2d6b0048719b5ae238ed753">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#g4cf2ddae3efce70c508ac7fefc1c47f7">apr_status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__dso.html#g4e5043e96a5d2cc4141d6e7f6adb2f61">apr_dso_load</a> (<a class="el" href="group__apr__dso.html#g4d88cc14736839127a81c1ebb31648fd">apr_dso_handle_t</a> **res_handle, const char *path, <a class="el" href="group__apr__pools.html#g06f17a7732f2d04d8ce7010fbb057a8b">apr_pool_t</a> *ctx)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="group__apr__errno.html#g4cf2ddae3efce70c508ac7fefc1c47f7">apr_status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__dso.html#ga2084caf2d8014cfe574cd8b7cdbb243">apr_dso_unload</a> (<a class="el" href="group__apr__dso.html#g4d88cc14736839127a81c1ebb31648fd">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#g4cf2ddae3efce70c508ac7fefc1c47f7">apr_status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__apr__dso.html#g9d116a7b04e74b5600655d029f389518">apr_dso_sym</a> (<a class="el" href="group__apr__dso.html#g3fdf2bfba2d6b0048719b5ae238ed753">apr_dso_handle_sym_t</a> *ressym, <a class="el" href="group__apr__dso.html#g4d88cc14736839127a81c1ebb31648fd">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#g9c76a3f052070e6e5a62d967e02c6ca5">apr_dso_error</a> (<a class="el" href="group__apr__dso.html#g4d88cc14736839127a81c1ebb31648fd">apr_dso_handle_t</a> *dso, char *buf, apr_size_t bufsize)</td></tr>
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<hr><h2>Typedef Documentation</h2>
<a class="anchor" name="g3fdf2bfba2d6b0048719b5ae238ed753"></a><!-- doxytag: member="apr_dso.h::apr_dso_handle_sym_t" ref="g3fdf2bfba2d6b0048719b5ae238ed753" args="" -->
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<td class="memname">typedef void* <a class="el" href="group__apr__dso.html#g3fdf2bfba2d6b0048719b5ae238ed753">apr_dso_handle_sym_t</a> </td>
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<p>
Structure for referencing symbols from dynamic objects
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<a class="anchor" name="g4d88cc14736839127a81c1ebb31648fd"></a><!-- doxytag: member="apr_dso.h::apr_dso_handle_t" ref="g4d88cc14736839127a81c1ebb31648fd" args="" -->
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<td class="memname">typedef struct <a class="el" href="group__apr__dso.html#g4d88cc14736839127a81c1ebb31648fd">apr_dso_handle_t</a> <a class="el" href="group__apr__dso.html#g4d88cc14736839127a81c1ebb31648fd">apr_dso_handle_t</a> </td>
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<p>
Structure for referencing dynamic objects
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<hr><h2>Function Documentation</h2>
<a class="anchor" name="g9c76a3f052070e6e5a62d967e02c6ca5"></a><!-- doxytag: member="apr_dso.h::apr_dso_error" ref="g9c76a3f052070e6e5a62d967e02c6ca5" args="(apr_dso_handle_t *dso, char *buf, apr_size_t bufsize)" -->
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<td class="memname">const char* apr_dso_error </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__apr__dso.html#g4d88cc14736839127a81c1ebb31648fd">apr_dso_handle_t</a> * </td>
<td class="paramname"> <em>dso</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">char * </td>
<td class="paramname"> <em>buf</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">apr_size_t </td>
<td class="paramname"> <em>bufsize</em></td><td> </td>
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<td>)</td>
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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>
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<a class="anchor" name="g4e5043e96a5d2cc4141d6e7f6adb2f61"></a><!-- doxytag: member="apr_dso.h::apr_dso_load" ref="g4e5043e96a5d2cc4141d6e7f6adb2f61" args="(apr_dso_handle_t **res_handle, const char *path, apr_pool_t *ctx)" -->
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<td class="memname"><a class="el" href="group__apr__errno.html#g4cf2ddae3efce70c508ac7fefc1c47f7">apr_status_t</a> apr_dso_load </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__apr__dso.html#g4d88cc14736839127a81c1ebb31648fd">apr_dso_handle_t</a> ** </td>
<td class="paramname"> <em>res_handle</em>, </td>
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<td></td>
<td class="paramtype">const char * </td>
<td class="paramname"> <em>path</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__apr__pools.html#g06f17a7732f2d04d8ce7010fbb057a8b">apr_pool_t</a> * </td>
<td class="paramname"> <em>ctx</em></td><td> </td>
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<td>)</td>
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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>
<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>
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<a class="anchor" name="g9d116a7b04e74b5600655d029f389518"></a><!-- doxytag: member="apr_dso.h::apr_dso_sym" ref="g9d116a7b04e74b5600655d029f389518" args="(apr_dso_handle_sym_t *ressym, apr_dso_handle_t *handle, const char *symname)" -->
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<td class="memname"><a class="el" href="group__apr__errno.html#g4cf2ddae3efce70c508ac7fefc1c47f7">apr_status_t</a> apr_dso_sym </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__apr__dso.html#g3fdf2bfba2d6b0048719b5ae238ed753">apr_dso_handle_sym_t</a> * </td>
<td class="paramname"> <em>ressym</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__apr__dso.html#g4d88cc14736839127a81c1ebb31648fd">apr_dso_handle_t</a> * </td>
<td class="paramname"> <em>handle</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char * </td>
<td class="paramname"> <em>symname</em></td><td> </td>
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<td>)</td>
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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>
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<a class="anchor" name="ga2084caf2d8014cfe574cd8b7cdbb243"></a><!-- doxytag: member="apr_dso.h::apr_dso_unload" ref="ga2084caf2d8014cfe574cd8b7cdbb243" args="(apr_dso_handle_t *handle)" -->
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<td class="memname"><a class="el" href="group__apr__errno.html#g4cf2ddae3efce70c508ac7fefc1c47f7">apr_status_t</a> apr_dso_unload </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__apr__dso.html#g4d88cc14736839127a81c1ebb31648fd">apr_dso_handle_t</a> * </td>
<td class="paramname"> <em>handle</em> </td>
<td> ) </td>
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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>
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</dl>
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