eio-statvfs.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->

<refentry xml:id="function.eio-statvfs" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>eio_statvfs</refname>
  <refpurpose>Get file system statistics</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>resource</type><methodname>eio_statvfs</methodname>
   <methodparam><type>string</type><parameter>path</parameter></methodparam>
   <methodparam><type>int</type><parameter>pri</parameter></methodparam>
   <methodparam><type>callable</type><parameter>callback</parameter></methodparam>
   <methodparam choice="opt"><type>mixed</type><parameter>data</parameter></methodparam>
  </methodsynopsis>
  <para>
  <function>eio_statvfs</function> returns file system statistics information in
  <parameter>result</parameter> argument of <parameter>callback</parameter>
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <variablelist>
   <varlistentry>
    <term><parameter>path</parameter></term>
    <listitem>
     <para>
     Pathname of any file within the mounted file system
     </para>
    </listitem>
   </varlistentry>
   <varlistentry>
    <term><parameter>pri</parameter></term>
    <listitem>
     &eio.request.pri.values;
    </listitem>
   </varlistentry>
   <varlistentry>
    <term><parameter>callback</parameter></term>
    <listitem>
     &eio.callback.proto;
    </listitem>
   </varlistentry>
   <varlistentry>
    <term><parameter>data</parameter></term>
    <listitem>
     <para>
     Arbitrary variable passed to <parameter>callback</parameter>.
     </para>
    </listitem>
   </varlistentry>
  </variablelist>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
  <function>eio_statvfs</function> returns request resource on success,&return.falseforfailure;. 
   On success assigns <parameter>result</parameter> argument of
  <parameter>callback</parameter> to an array.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <example>
   <title><function>eio_statvfs</function> example</title>
   <programlisting role="php">
<![CDATA[
<?php
$tmp_filename = '/tmp/eio-file.tmp';
touch($tmp_filename);

function my_statvfs_callback($data, $result) {
    var_dump($data);
    var_dump($result);

 @unlink($data);
}

eio_statvfs($tmp_filename, EIO_PRI_DEFAULT, "my_statvfs_callback", $tmp_filename);
eio_event_loop();
?>
]]>
   </programlisting>
   &example.outputs.similar;
   <screen>
<![CDATA[
string(17) "/tmp/eio-file.tmp"
array(11) {
  ["f_bsize"]=>
  int(4096)
  ["f_frsize"]=>
  int(4096)
  ["f_blocks"]=>
  int(262144)
  ["f_bfree"]=>
  int(262111)
  ["f_bavail"]=>
  int(262111)
  ["f_files"]=>
  int(1540815)
  ["f_ffree"]=>
  int(1540743)
  ["f_favail"]=>
  int(1540743)
  ["f_fsid"]=>
  int(0)
  ["f_flag"]=>
  int(4102)
  ["f_namemax"]=>
  int(255)
}
]]>
   </screen>
  </example>
 </refsect1>


</refentry>

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