<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Event flags</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="event.examples.html">Examples</a></div> <div class="next" style="text-align: right; float: right;"><a href="event.persistence.html">About event persistence</a></div> <div class="up"><a href="book.event.html">Event</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="event.flags" class="chapter"> <h1>Event flags</h1> <p class="para"> <strong><code>Event::READ</code></strong> This flag indicates an event that becomes active when the provided file descriptor(usually a stream resource, or socket) is ready for reading. </p> <p class="para"> <strong><code>Event::WRITE</code></strong> flag indicates an event that becomes active when the provided file descriptor(usually a stream resource, or socket) is ready for reading. </p> <p class="para"> <strong><code>Event::SIGNAL</code></strong> used to implement signal detection. See "Constructing signal events" below. </p> <p class="para"> <strong><code>Event::TIMEOUT</code></strong> indicates an event that becomes active after a timeout elapses. The <strong><code>Event::TIMEOUT</code></strong> flag is ignored when constructing an event: one can either set a timeout when event is <em class="emphasis">added</em> , or not. It is set in the <em>$what</em> argument to the callback function when a timeout has occurred. </p> <p class="para"> See also <a href="http://www.wangafu.net/~nickm/libevent-book/Ref4_event.html#_the_event_flags" class="link external">» Fast portable non-blocking network programming with Libevent, Working with events, Event flags</a> </p> </div> <hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="event.examples.html">Examples</a></div> <div class="next" style="text-align: right; float: right;"><a href="event.persistence.html">About event persistence</a></div> <div class="up"><a href="book.event.html">Event</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>
