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<title>Establishes the current time by querying the kernel, updating the time
returned by Ev::now in the progress.</title>
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<h1 class="refname">Ev::nowUpdate</h1>
<p class="verinfo">(PECL ev >= 0.2.0)</p><p class="refpurpose"><span class="refname">Ev::nowUpdate</span> — <span class="dc-title">Establishes the current time by querying the kernel, updating the time
returned by Ev::now in the progress.</span></p>
</div>
<div class="refsect1 description" id="refsect1-ev.nowupdate-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="modifier">final</span>
<span class="modifier">public</span>
<span class="modifier">static</span>
<span class="type"><span class="type void">void</span></span>
<span class="methodname"><strong>Ev::nowUpdate</strong></span>
( <span class="methodparam">void</span>
)</div>
<p class="para rdfs-comment">
Establishes the current time by querying the kernel, updating the time
returned by
<span class="methodname"><a href="ev.now.html" class="methodname">Ev::now()</a></span>
in the progress. This is a costly operation and is usually done
automatically within
<span class="methodname"><a href="ev.run.html" class="methodname">Ev::run()</a></span>
.
</p>
<p class="para">
This method is rarely useful, but when some event callback runs for a very
long time without entering the event loop, updating
<em class="emphasis">libev</em>
's consideration of the current time is a good idea.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-ev.nowupdate-parameters">
<h3 class="title">Parameters</h3>
<p class="para">This function has no parameters.</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-ev.nowupdate-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
No value is returned.
</p>
</div>
<div class="refsect1 seealso" id="refsect1-ev.nowupdate-seealso">
<h3 class="title">See Also</h3>
<ul class="simplelist">
<li class="member">
<span class="methodname"><a href="ev.now.html" class="methodname" rel="rdfs-seeAlso">Ev::now()</a> - Returns the time when the last iteration of the default event
loop has started.</span>
</li>
</ul>
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