<!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> <title>Class Poco::SharedLibrary</title> <meta http-equiv="content-type" content="text/html; charset=utf-8"/> <meta name="author" content="Applied Informatics Software Engineering GmbH and Contributors"/> <meta name="publisher" content="Applied Informatics Software Engineering GmbH and Contributors"/> <meta name="copyright" content="Copyright (c) 2009, Applied Informatics Software Engineering GmbH and Contributors"/> <meta name="language" content="en"/> <meta name="date" content="2009-11-24"/> <meta name="generator" content="PocoDoc"/> <link rel="stylesheet" href="css/styles.css" type="text/css"/> </head> <body bgcolor="#ffffff" leftmargin="0" topmargin="0"> <div class="header"> <h1 class="namespace"><a href="Poco.html" class="namespace">Poco</a></h1> <h1 class="symbol">class SharedLibrary</h1> </div> <div class="body"> <p> <b>Library:</b> Foundation<br /> <b>Package:</b> SharedLibrary<br /> <b>Header:</b> Poco/SharedLibrary.h</p> <h2>Description</h2> <div class="description"> <p>The <a href="Poco.SharedLibrary.html" title="class Poco::SharedLibrary">SharedLibrary</a> class dynamically loads shared libraries at run-time. </p> </div> <h2>Inheritance</h2> <p><b>Direct Base Classes: </b>SharedLibraryImpl</p> <p><b>All Base Classes: </b>SharedLibraryImpl</p> <h2>Member Summary</h2> <p><b>Member Functions: </b><a href="Poco.SharedLibrary.html#9916" title="Poco::SharedLibrary::getPath()">getPath</a>, <a href="Poco.SharedLibrary.html#9914" title="Poco::SharedLibrary::getSymbol()">getSymbol</a>, <a href="Poco.SharedLibrary.html#9912" title="Poco::SharedLibrary::hasSymbol()">hasSymbol</a>, <a href="Poco.SharedLibrary.html#9911" title="Poco::SharedLibrary::isLoaded()">isLoaded</a>, <a href="Poco.SharedLibrary.html#9908" title="Poco::SharedLibrary::load()">load</a>, <a href="Poco.SharedLibrary.html#9917" title="Poco::SharedLibrary::suffix()">suffix</a>, <a href="Poco.SharedLibrary.html#9910" title="Poco::SharedLibrary::unload()">unload</a></p> <h2>Constructors</h2> <h3><a name="9904">SharedLibrary</a></h3> <p class="decl"><a href="Poco.SharedLibrary.html" title="class Poco::SharedLibrary">SharedLibrary</a>();</p> <div class="description"> <p>Creates a <a href="Poco.SharedLibrary.html" title="class Poco::SharedLibrary">SharedLibrary</a> object. </p> </div> <h3><a name="9905">SharedLibrary</a></h3> <p class="decl"><a href="Poco.SharedLibrary.html" title="class Poco::SharedLibrary">SharedLibrary</a>(<br /> const std::string & path<br />);</p> <div class="description"> <p>Creates a <a href="Poco.SharedLibrary.html" title="class Poco::SharedLibrary">SharedLibrary</a> object and loads a library from the given path. </p> </div> <h2>Destructor</h2> <h3><a name="9907">~SharedLibrary</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">virtual ~<a href="Poco.SharedLibrary.html" title="class Poco::SharedLibrary">SharedLibrary</a>();</p> <div class="description"> <p>Destroys the <a href="Poco.SharedLibrary.html" title="class Poco::SharedLibrary">SharedLibrary</a>. The actual library remains loaded. </p> </div> <h2>Member Functions</h2> <h3><a name="9916">getPath</a></h3> <p class="decl">const std::string & getPath() const;</p> <div class="description"> <p>Returns the path of the library, as specified in a call to <a href="Poco.SharedLibrary.html#9908" title="Poco::SharedLibrary::load()">load</a>() or the constructor. </p> </div> <h3><a name="9914">getSymbol</a></h3> <p class="decl">void * getSymbol(<br /> const std::string & name<br />);</p> <div class="description"> <p>Returns the address of the symbol with the given name. For functions, this is the entry point of the function. Throws a <a href="Poco.NotFoundException.html" title="class Poco::NotFoundException">NotFoundException</a> if the symbol does not exist. </p> </div> <h3><a name="9912">hasSymbol</a></h3> <p class="decl">bool hasSymbol(<br /> const std::string & name<br />);</p> <div class="description"> <p>Returns true if and only if the loaded library contains a symbol with the given name. </p> </div> <h3><a name="9911">isLoaded</a></h3> <p class="decl">bool isLoaded() const;</p> <div class="description"> <p>Returns true if and only if a library has been loaded. </p> </div> <h3><a name="9908">load</a></h3> <p class="decl">void load(<br /> const std::string & path<br />);</p> <div class="description"> <p>Loads a shared library from the given path. Throws a <a href="Poco.LibraryAlreadyLoadedException.html" title="class Poco::LibraryAlreadyLoadedException">LibraryAlreadyLoadedException</a> if a library has already been loaded. Throws a <a href="Poco.LibraryLoadException.html" title="class Poco::LibraryLoadException">LibraryLoadException</a> if the library cannot be loaded. </p> </div> <h3><a name="9917">suffix</a> <img src="images/static.gif" alt="static" title="static" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">static std::string suffix();</p> <div class="description"> <p>Returns the platform-specific filename suffix for shared libraries (including the period). In debug mode, the suffix also includes a "d" to specify the debug version of a library. </p> </div> <h3><a name="9910">unload</a></h3> <p class="decl">void unload();</p> <div class="description"> <p>Unloads a shared library. </p> </div> <p class="footer">POCO C++ Libraries 1.3.6-all<br /> Copyright © 2009, <a href="http://pocoproject.org/" target="_blank">Applied Informatics Software Engineering GmbH and Contributors</a></p> </div> </body> </html>
