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Document the new Worker::collect method

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@341649 c90b9560-bf6c-de11-be94-00142212c4b1
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Thomas Punt 2017-01-12 17:50:11 +00:00
parent 82d8f6e36b
commit 95c840f5a8
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reference/pthreads/worker/collect.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="worker.collect" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>Worker::collect</refname>
<refpurpose>Collect references to completed tasks</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<modifier>public</modifier> <type>integer</type><methodname>Worker::collect</methodname>
<methodparam choice="opt"><type>Callable</type><parameter>collector</parameter></methodparam>
</methodsynopsis>
<para>
Allows the worker to collect references determined to be garbage by the
optionally given collector.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<variablelist>
<varlistentry>
<term><parameter>collector</parameter></term>
<listitem>
<para>
A Callable collector that returns a boolean on whether the task can be
collected or not. Only in rare cases should a custom collector need be
used.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
The number of remaining tasks on the worker's stack to be collected.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>A basic example</title>
<programlisting role="php">
<![CDATA[
<?php
$worker = new Worker();
echo "There are currently {$worker->collect()} tasks on the stack to be collected\n";
for ($i = 0; $i < 15; ++$i) {
$worker->stack(new class extends Threaded {});
}
echo "There are {$worker->collect()} tasks remaining on the stack to be collected\n";
$worker->start();
while ($worker->collect()); // blocks until all tasks have finished executing
echo "There are now {$worker->collect()} tasks on the stack to be collected\n";
$worker->shutdown();
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
There are currently 0 tasks on the stack to be collected
There are 15 tasks remaining on the stack to be collected
There are now 0 tasks on the stack to be collected
]]>
</screen>
</example>
</para>
</refsect1>
</refentry>
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sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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