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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision: 328913 $ -->
<refentry xml:id="evio.construct" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>EvIo::__construct</refname>
<refpurpose>Constructs EvIo watcher object</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<modifier>public</modifier>
<methodname>EvIo::__construct</methodname>
<methodparam>
<type>mixed</type>
<parameter>fd</parameter>
</methodparam>
<methodparam>
<type>int</type>
<parameter>events</parameter>
</methodparam>
<methodparam>
<type>callable</type>
<parameter>callback</parameter>
</methodparam>
<methodparam choice="opt">
<type>mixed</type>
<parameter>data</parameter>
</methodparam>
<methodparam choice="opt">
<type>int</type>
<parameter>priority</parameter>
</methodparam>
</methodsynopsis>
<para>
Constructs EvIo watcher object and starts the watcher automatically.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<variablelist>
<varlistentry>
<term>
<parameter>fd</parameter>
</term>
<listitem>
<para>
Can be a stream opened with
<function>fopen</function>
or similar functions, numeric file descriptor, or socket.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<parameter>events</parameter>
</term>
<listitem>
<para>
<constant>Ev::READ</constant>
and/or
<constant>Ev::WRITE</constant>
. See
<link linkend="ev.constants.watcher-revents">the bit masks</link>
.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<parameter>callback</parameter>
</term>
<listitem>
<para>
See
<link linkend="ev.watcher-callbacks">Watcher callbacks</link>
.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<parameter>data</parameter>
</term>
<listitem>
<para>
Custom data associated with the watcher.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<parameter>priority</parameter>
</term>
<listitem>
<para>
<link linkend="ev.constants.watcher-pri">Watcher priority</link>
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Returns EvIo object on success.
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<simplelist>
<member>
<methodname>EvIo::createStopped</methodname>
</member>
<member>
<methodname>EvLoop::io</methodname>
</member>
</simplelist>
</refsect1>
</refentry>
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