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1.1 ! misho 1: <?xml version="1.0" encoding="UTF-8"?> ! 2: <html> ! 3: <head> ! 4: <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/> ! 5: <title>xmlmodule: dynamic module loading</title> ! 6: <meta name="generator" content="Libxml2 devhelp stylesheet"/> ! 7: <link rel="start" href="index.html" title="libxml2 Reference Manual"/> ! 8: <link rel="up" href="general.html" title="API"/> ! 9: <link rel="stylesheet" href="style.css" type="text/css"/> ! 10: <link rel="chapter" href="general.html" title="API"/> ! 11: </head> ! 12: <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> ! 13: <table class="navigation" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2"> ! 14: <tr valign="middle"> ! 15: <td> ! 16: <a accesskey="p" href="libxml2-xmlmemory.html"> ! 17: <img src="left.png" width="24" height="24" border="0" alt="Prev"/> ! 18: </a> ! 19: </td> ! 20: <td> ! 21: <a accesskey="u" href="general.html"> ! 22: <img src="up.png" width="24" height="24" border="0" alt="Up"/> ! 23: </a> ! 24: </td> ! 25: <td> ! 26: <a accesskey="h" href="index.html"> ! 27: <img src="home.png" width="24" height="24" border="0" alt="Home"/> ! 28: </a> ! 29: </td> ! 30: <td> ! 31: <a accesskey="n" href="libxml2-xmlreader.html"> ! 32: <img src="right.png" width="24" height="24" border="0" alt="Next"/> ! 33: </a> ! 34: </td> ! 35: <th width="100%" align="center">libxml2 Reference Manual</th> ! 36: </tr> ! 37: </table> ! 38: <h2> ! 39: <span class="refentrytitle">xmlmodule</span> ! 40: </h2> ! 41: <p>xmlmodule - dynamic module loading</p> ! 42: <p>basic API for dynamic module loading, used by libexslt added in 2.6.17 </p> ! 43: <p>Author(s): Joel W. Reed </p> ! 44: <div class="refsynopsisdiv"> ! 45: <h2>Synopsis</h2> ! 46: <pre class="synopsis">typedef struct _xmlModule <a href="#xmlModule">xmlModule</a>; ! 47: typedef <a href="libxml2-xmlmodule.html#xmlModule">xmlModule</a> * <a href="#xmlModulePtr">xmlModulePtr</a>; ! 48: typedef enum <a href="#xmlModuleOption">xmlModuleOption</a>; ! 49: int <a href="#xmlModuleFree">xmlModuleFree</a> (<a href="libxml2-xmlmodule.html#xmlModulePtr">xmlModulePtr</a> module); ! 50: int <a href="#xmlModuleSymbol">xmlModuleSymbol</a> (<a href="libxml2-xmlmodule.html#xmlModulePtr">xmlModulePtr</a> module, <br/> const char * name, <br/> void ** symbol); ! 51: <a href="libxml2-xmlmodule.html#xmlModulePtr">xmlModulePtr</a> <a href="#xmlModuleOpen">xmlModuleOpen</a> (const char * name, <br/> int options); ! 52: int <a href="#xmlModuleClose">xmlModuleClose</a> (<a href="libxml2-xmlmodule.html#xmlModulePtr">xmlModulePtr</a> module); ! 53: </pre> ! 54: </div> ! 55: <div class="refsect1" lang="en"> ! 56: <h2>Description</h2> ! 57: </div> ! 58: <div class="refsect1" lang="en"> ! 59: <h2>Details</h2> ! 60: <div class="refsect2" lang="en"> ! 61: <div class="refsect2" lang="en"><h3><a name="xmlModule">Structure </a>xmlModule</h3><pre class="programlisting">struct _xmlModule { ! 62: The content of this structure is not made public by the API. ! 63: } xmlModule; ! 64: </pre><p/> ! 65: </div> ! 66: <hr/> ! 67: <div class="refsect2" lang="en"><h3><a name="xmlModuleOption">Enum </a>xmlModuleOption</h3><pre class="programlisting">enum <a href="#xmlModuleOption">xmlModuleOption</a> { ! 68: <a name="XML_MODULE_LAZY">XML_MODULE_LAZY</a> = 1 /* lazy binding */ ! 69: <a name="XML_MODULE_LOCAL">XML_MODULE_LOCAL</a> = 2 /* local binding */ ! 70: }; ! 71: </pre><p/> ! 72: </div> ! 73: <hr/> ! 74: <div class="refsect2" lang="en"><h3><a name="xmlModulePtr">Typedef </a>xmlModulePtr</h3><pre class="programlisting"><a href="libxml2-xmlmodule.html#xmlModule">xmlModule</a> * xmlModulePtr; ! 75: </pre><p>A handle to a dynamically loaded module</p> ! 76: </div> ! 77: <hr/> ! 78: <div class="refsect2" lang="en"><h3><a name="xmlModuleClose"/>xmlModuleClose ()</h3><pre class="programlisting">int xmlModuleClose (<a href="libxml2-xmlmodule.html#xmlModulePtr">xmlModulePtr</a> module)<br/> ! 79: </pre><p>The close operations unload the associated module and free the data associated to the module.</p> ! 80: <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>module</tt></i>:</span></td><td>the module handle</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success, -1 in case of argument error and -2 if the module could not be closed/unloaded.</td></tr></tbody></table></div></div> ! 81: <hr/> ! 82: <div class="refsect2" lang="en"><h3><a name="xmlModuleFree"/>xmlModuleFree ()</h3><pre class="programlisting">int xmlModuleFree (<a href="libxml2-xmlmodule.html#xmlModulePtr">xmlModulePtr</a> module)<br/> ! 83: </pre><p>The free operations free the data associated to the module but does not unload the associated shared library which may still be in use.</p> ! 84: <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>module</tt></i>:</span></td><td>the module handle</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success, -1 in case of argument error</td></tr></tbody></table></div></div> ! 85: <hr/> ! 86: <div class="refsect2" lang="en"><h3><a name="xmlModuleOpen"/>xmlModuleOpen ()</h3><pre class="programlisting"><a href="libxml2-xmlmodule.html#xmlModulePtr">xmlModulePtr</a> xmlModuleOpen (const char * name, <br/> int options)<br/> ! 87: </pre><p>Opens a module/shared library given its name or path TODO: options are not yet implemented.</p> ! 88: <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>name</tt></i>:</span></td><td>the module name</td></tr><tr><td><span class="term"><i><tt>options</tt></i>:</span></td><td>a set of <a href="libxml2-xmlmodule.html#xmlModuleOption">xmlModuleOption</a></td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a handle for the module or NULL in case of error</td></tr></tbody></table></div></div> ! 89: <hr/> ! 90: <div class="refsect2" lang="en"><h3><a name="xmlModuleSymbol"/>xmlModuleSymbol ()</h3><pre class="programlisting">int xmlModuleSymbol (<a href="libxml2-xmlmodule.html#xmlModulePtr">xmlModulePtr</a> module, <br/> const char * name, <br/> void ** symbol)<br/> ! 91: </pre><p>Lookup for a symbol address in the given module</p> ! 92: <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>module</tt></i>:</span></td><td>the module</td></tr><tr><td><span class="term"><i><tt>name</tt></i>:</span></td><td>the name of the symbol</td></tr><tr><td><span class="term"><i><tt>symbol</tt></i>:</span></td><td>the resulting symbol address</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 if the symbol was found, or -1 in case of error</td></tr></tbody></table></div></div> ! 93: <hr/> ! 94: </div> ! 95: </div> ! 96: </body> ! 97: </html>