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curl-multi-select.xml
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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<!-- EN-Revision: f414967c2c80702de6401191034d9837a2801dc1 Maintainer: mowangjuanzi Status: ready -->
<refentry xml:id="function.curl-multi-select" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>curl_multi_select</refname>
<refpurpose>等待,直到任何 cURL 多句柄连接可以进行读取或写入</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>int</type><methodname>curl_multi_select</methodname>
<methodparam><type>resource</type><parameter>mh</parameter></methodparam>
<methodparam choice="opt"><type>float</type><parameter>timeout</parameter><initializer>1.0</initializer></methodparam>
</methodsynopsis>
<para>
堵塞脚本执行,直到附加到 cURL 多句柄的 cURL 句柄能够在下次调用
<function>curl_multi_exec</function> 时取得进展或者直到超时(以先到者为准)。
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
&curl.mh.description;
<varlistentry>
<term><parameter>timeout</parameter></term>
<listitem>
<para>
以秒为单位,等待活跃 cURL 多句柄连接的响应时间。
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
成功时返回描述符集合中活跃描述符的数量。如果没有任何活动的描述符,则为
<literal>0</literal>。失败时,此函数将在 <literal>select()</literal>
失败时返回 <literal>-1</literal>(来自底层 select 系统调用)。
</para>
</refsect1>
<refsect1 role="errors">
&reftitle.errors;
<simpara>
如果 <parameter>timeout</parameter> 小于 <literal>0</literal>
或者大于 <constant>PHP_INT_MAX</constant>,则抛出 <exceptionname>ValueError</exceptionname>。
</simpara>
</refsect1>
<refsect1 role="changelog">
&reftitle.changelog;
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
<row>
<entry>8.4.0</entry>
<entry>
如果 <parameter>timeout</parameter> 小于 <literal>0</literal>
或者大于 <constant>PHP_INT_MAX</constant>,现在抛出 <exceptionname>ValueError</exceptionname>。
</entry>
</row>
&curl.changelog.multi-handle-param;
</tbody>
</tgroup>
</informaltable>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>curl_multi_init</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
sgml-omittag:t
sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
indent-tabs-mode:nil
sgml-parent-document:nil
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:nil
sgml-local-ecat-files:nil
End:
vim600: syn=xml fen fdm=syntax fdl=2 si
vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->