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cff952dde5
git-svn-id: https://svn.php.net/repository/phpdoc/es/trunk@337083 c90b9560-bf6c-de11-be94-00142212c4b1
131 lines
3.5 KiB
XML
131 lines
3.5 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: 8b6d169424ff189bb563ef4c3f35f8adff3f42c5 Maintainer: andresdzphp Status: ready -->
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<!-- Reviewed: yes Maintainer: seros -->
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<refentry xml:id="splfileobject.flock" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
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<refnamediv>
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<refname>SplFileObject::flock</refname>
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<refpurpose>Bloqueo de ficheros portable</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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<modifier>public</modifier> <type>bool</type><methodname>SplFileObject::flock</methodname>
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<methodparam><type>int</type><parameter>operation</parameter></methodparam>
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<methodparam choice="opt"><type>int</type><parameter role="reference">wouldblock</parameter></methodparam>
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</methodsynopsis>
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<para>
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Bloquea o desbloquea el fichero de la misma manera portable que <function>flock</function>.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<para>
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<variablelist>
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<varlistentry>
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<term><parameter>operation</parameter></term>
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<listitem>
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<para>
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<parameter>operation</parameter> es una operación de las siguientes:
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<itemizedlist>
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<listitem>
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<simpara>
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<constant>LOCK_SH</constant> para adquirir un bloqueo compartido (lectura).
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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<constant>LOCK_EX</constant> para adquirir un bloqueo exclusivo (escritura).
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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<constant>LOCK_UN</constant> para liberar un bloqueo (compartido o exclusivo).
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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<constant>LOCK_NB</constant> para no esperar mientras se adquiere el bloqueo (no soportado en Windows).
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</simpara>
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</listitem>
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</itemizedlist>
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>wouldblock</parameter></term>
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<listitem>
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<para>
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Establecer a &true; si el bloqueo hará que la función quede esperando (condición de errno EWOULDBLOCK).
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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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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&return.success;
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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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<para>
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<example>
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<title>Ejemplo de <methodname>SplFileObject::flock</methodname></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$file = new SplFileObject("/tmp/bloqueado.txt", "w");
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if ($file->flock(LOCK_EX)) { // adquirir un bloqueo exclusivo
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$file->ftruncate(0); // truncar el fichero
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$file->fwrite("Escribir alguna cosa\n");
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$file->flock(LOCK_UN); // liberar el bloqueo
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} else {
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echo "¡No se pudo obtener el bloqueo!";
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}
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?>
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]]>
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</programlisting>
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</example>
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</para>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<para>
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<simplelist>
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<member><function>flock</function></member>
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</simplelist>
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</para>
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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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