php-doc-en/reference/eio/functions/eio-init.xml

<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="function.eio-init" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>eio_init</refname>
  <refpurpose>(Re-)initialize Eio</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>void</type><methodname>eio_init</methodname>
   <void />
  </methodsynopsis>
  <para>
   <function>eio_init</function> (re-)initializes Eio. It allocates memory for internal structures of libeio and Eio itself. You may call <function>eio_init</function> before using Eio functions. Otherwise it will be called internally first time you invoke an Eio function in a process.
  </para>
  <para>
   <warning>
    <simpara>
     &removed.php.future;
     Since Eio <emphasis>1.1.0</emphasis> <function>eio_init</function> is deprecated. In Eio <emphasis>1.0.0</emphasis> because of <link xlink:href="http://pod.tst.eu/http://cvs.schmorp.de/libeio/eio.pod#FORK_SUPPORT"><emphasis>libeio</emphasis>'s restrictions</link> you <emphasis>must</emphasis> call <function>eio_init</function> in child process, if you fork one by any means. You have to avoid using Eio in parent process, if you use it in childs.
    </simpara>
   </warning>
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  &no.function.parameters;
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   &return.void;
  </para>
 </refsect1>
</refentry>

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