mirror of
https://github.com/sigmasternchen/php-doc-en
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7b29f9427f
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@318348 c90b9560-bf6c-de11-be94-00142212c4b1
104 lines
2.3 KiB
XML
104 lines
2.3 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<refentry xml:id="function.eio-poll" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
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<refnamediv>
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<refname>eio_poll</refname>
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<refpurpose>Can be to be called whenever there are pending requests that need finishing.</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<type>int</type><methodname>eio_poll</methodname>
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<void />
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</methodsynopsis>
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<para>
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<function>eio_poll</function> can be used to implement special event loop.
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For this <function>eio_nreqs</function> could be used to test if there are
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unprocessed requests.
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</para>
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<note><para>Applicable only when implementing userspace event loop.</para></note>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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&no.function.parameters;
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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If any request invocation returns a non-zero value, returns that value.
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Otherwise, it returns <constant>0</constant>.
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</para>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<example>
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<title><function>eio_poll</function> example</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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function res_cb($data, $result) {
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var_dump($data);
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var_dump($result);
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}
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eio_nop(EIO_PRI_DEFAULT, "res_cb", "1");
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eio_nop(EIO_PRI_DEFAULT, "res_cb", "2");
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eio_nop(EIO_PRI_DEFAULT, "res_cb", "3");
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while (eio_nreqs()) {
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// Some specific IPC or so
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eio_poll();
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}
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?>
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]]>
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</programlisting>
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&example.outputs.similar;
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<screen>
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<![CDATA[
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string(1) "1"
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int(0)
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string(1) "3"
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int(0)
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string(1) "2"
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int(0)
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]]>
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</screen>
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</example>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<simplelist>
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<member>eio_nreqs</member>
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</simplelist>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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