php-doc-en/reference/pthreads/threaded/wait.xml
2018-01-25 15:56:34 +00:00

100 lines
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XML

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="threaded.wait" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>Threaded::wait</refname>
<refpurpose>Synchronization</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<modifier>public</modifier> <type>bool</type><methodname>Threaded::wait</methodname>
<methodparam choice="opt"><type>int</type><parameter>timeout</parameter></methodparam>
</methodsynopsis>
<para>
Will cause the calling context to wait for notification from the referenced object
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<variablelist>
<varlistentry>
<term><parameter>timeout</parameter></term>
<listitem>
<para>
An optional timeout in microseconds
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
A boolean indication of success
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>Notifications and Waiting</title>
<programlisting role="php">
<![CDATA[
<?php
class My extends Thread {
public function run() {
/** cause this thread to wait **/
$this->synchronized(function($thread){
if (!$thread->done)
$thread->wait();
}, $this);
}
}
$my = new My();
$my->start();
/** send notification to the waiting thread **/
$my->synchronized(function($thread){
$thread->done = true;
$thread->notify();
}, $my);
var_dump($my->join());
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
bool(true)
]]>
</screen>
</example>
</para>
</refsect1>
</refentry>
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