<!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::NamedEvent</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 NamedEvent</h1> </div> <div class="body"> <p> <b>Library:</b> Foundation<br /> <b>Package:</b> Processes<br /> <b>Header:</b> Poco/NamedEvent.h</p> <h2>Description</h2> <div class="description"> <p>An <a href="Poco.NamedEvent.html" title="class Poco::NamedEvent">NamedEvent</a> is a global synchronization object that allows one process or thread to signal an other process or thread that a certain event has happened. </p> <p>Unlike an <a href="Poco.Event.html" title="class Poco::Event">Event</a>, which itself is the unit of synchronization, a <a href="Poco.NamedEvent.html" title="class Poco::NamedEvent">NamedEvent</a> refers to a named operating system resource being the unit of synchronization. In other words, there can be multiple instances of <a href="Poco.NamedEvent.html" title="class Poco::NamedEvent">NamedEvent</a> referring to the same actual synchronization object. </p> <p>NamedEvents are always autoresetting. </p> <p>There should not be more than one instance of <a href="Poco.NamedEvent.html" title="class Poco::NamedEvent">NamedEvent</a> for a given name in a process. Otherwise, the instances may interfere with each other. </p> </div> <h2>Inheritance</h2> <p><b>Direct Base Classes: </b>NamedEventImpl</p> <p><b>All Base Classes: </b>NamedEventImpl</p> <h2>Member Summary</h2> <p><b>Member Functions: </b><a href="Poco.NamedEvent.html#8591" title="Poco::NamedEvent::set()">set</a>, <a href="Poco.NamedEvent.html#8592" title="Poco::NamedEvent::wait()">wait</a></p> <h2>Constructors</h2> <h3><a name="8588">NamedEvent</a></h3> <p class="decl"><a href="Poco.NamedEvent.html" title="class Poco::NamedEvent">NamedEvent</a>(<br /> const std::string & name<br />);</p> <div class="description"> <p>Creates the event. </p> </div> <h2>Destructor</h2> <h3><a name="8590">~NamedEvent</a></h3> <p class="decl">~<a href="Poco.NamedEvent.html" title="class Poco::NamedEvent">NamedEvent</a>();</p> <div class="description"> <p>Destroys the event. </p> </div> <h2>Member Functions</h2> <h3><a name="8591">set</a> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">void set();</p> <div class="description"> <p>Signals the event. The one thread or process waiting for the event can resume execution. </p> </div> <h3><a name="8592">wait</a> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">void wait();</p> <div class="description"> <p>Waits for the event to become signalled. </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>
