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</div><hr /><div id="function.eio-mknod" class="refentry">
<div class="refnamediv">
<h1 class="refname">eio_mknod</h1>
<p class="verinfo">(PECL eio >= 0.0.1dev)</p><p class="refpurpose"><span class="refname">eio_mknod</span> — <span class="dc-title">Create a special or ordinary file.</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.eio-mknod-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">resource</span> <span class="methodname"><strong>eio_mknod</strong></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$path</code></span>
, <span class="methodparam"><span class="type">int</span> <code class="parameter">$mode</code></span>
, <span class="methodparam"><span class="type">int</span> <code class="parameter">$dev</code></span>
[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$pri</code><span class="initializer"> = EIO_PRI_DEFAULT</span></span>
[, <span class="methodparam"><span class="type"><a href="language.types.callable.html" class="type callable">callable</a></span> <code class="parameter">$callback</code><span class="initializer"> = NULL</span></span>
[, <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$data</code><span class="initializer"> = NULL</span></span>
]]] )</div>
<p class="para rdfs-comment">
<span class="function"><strong>eio_mknod()</strong></span> creates ordinary or special(often) file.
</p>
<div class="warning"><strong class="warning">Warning</strong><p class="simpara">This function is
currently not documented; only its argument list is available.
</p></div>
</div>
<div class="refsect1 parameters" id="refsect1-function.eio-mknod-parameters">
<h3 class="title">Parameters</h3>
<dl>
<dt>
<span class="term"><em><code class="parameter">path</code></em></span>
<dd>
<p class="para">
Path for the new node(file).
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">mode</code></em></span>
<dd>
<p class="para">
Specifies both the permissions to use and the type of node to be
created. It should be a combination (using bitwise OR) of one of the
file types listed below and the permissions for the new node(e.g. 0640).
Possible file types are: <strong><code>EIO_S_IFREG</code></strong>(regular file),
<strong><code>EIO_S_IFCHR</code></strong>(character file),
<strong><code>EIO_S_IFBLK</code></strong>(block special file),
<strong><code>EIO_S_IFIFO</code></strong>(FIFO - named pipe) and
<strong><code>EIO_S_IFSOCK</code></strong>(UNIX domain socket).
To specify permissions <em class="emphasis">EIO_S_I*</em> constants could be
used.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">dev</code></em></span>
<dd>
<p class="para">
If the file type is <strong><code>EIO_S_IFCHR</code></strong> or
<strong><code>EIO_S_IFBLK</code></strong> then dev specifies the major and minor
numbers of the newly created device special file. Otherwise
<em><code class="parameter">dev</code></em> ignored. See <em class="emphasis">mknod(2) man page for
details</em>.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">pri</code></em></span>
<dd>
<p class="para">The request priority: <strong><code>EIO_PRI_DEFAULT</code></strong>, <strong><code>EIO_PRI_MIN</code></strong>, <strong><code>EIO_PRI_MAX</code></strong>, or <strong><code>NULL</code></strong>.
If <strong><code>NULL</code></strong> passed, <em><code class="parameter">pri</code></em> internally is set to
<strong><code>EIO_PRI_DEFAULT</code></strong>.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">callback</code></em></span>
<dd>
<p class="para">
<em><code class="parameter">callback</code></em> function is called when the request is done.
It should match the following prototype: <div class="example-contents"><div class="phpcode"><code><span style="color: #000000">
void callback(mixed $data, int $result[, resource $req]);</span>
</code></div></div>
<dl>
<dt>
<span class="term"><em><code class="parameter">data</code></em></span>
<dd>
<p class="para">is custom data passed to the request.</p></dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">result</code></em></span>
<dd>
<p class="para">request-specific result value; basically, the value returned by corresponding
system call.</p></dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">req</code></em></span>
<dd>
<p class="para">is optional request resource which can be used with functions like <span class="function"><a href="function.eio-get-last-error.html" class="function">eio_get_last_error()</a></span></p></dd>
</dt>
</dl>
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">data</code></em></span>
<dd>
<p class="para">
Arbitrary variable passed to <em><code class="parameter">callback</code></em>.
</p>
</dd>
</dt>
</dl>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.eio-mknod-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
<span class="function"><strong>eio_mknod()</strong></span> returns request resource on success or <strong><code>FALSE</code></strong> on error.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.eio-mknod-examples">
<h3 class="title">Examples</h3>
<div class="example" id="example-3597">
<p><strong>Example #1 <span class="function"><strong>eio_mknod()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">// FIFO name<br /></span><span style="color: #0000BB">$temp_filename </span><span style="color: #007700">= </span><span style="color: #DD0000">"/tmp/eio-temp-fifo"</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">/* Is called when eio_mknod() finishes */<br /></span><span style="color: #007700">function </span><span style="color: #0000BB">my_mknod_callback</span><span style="color: #007700">(</span><span style="color: #0000BB">$data</span><span style="color: #007700">, </span><span style="color: #0000BB">$result</span><span style="color: #007700">) {<br /> </span><span style="color: #0000BB">$s </span><span style="color: #007700">= </span><span style="color: #0000BB">stat</span><span style="color: #007700">(</span><span style="color: #0000BB">$data</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$s</span><span style="color: #007700">);<br /><br /> if (</span><span style="color: #0000BB">$result </span><span style="color: #007700">== </span><span style="color: #0000BB">0</span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">"eio_mknod_ok"</span><span style="color: #007700">;<br /> }<br /><br /> @</span><span style="color: #0000BB">unlink</span><span style="color: #007700">(</span><span style="color: #0000BB">$data</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #0000BB">eio_mknod</span><span style="color: #007700">(</span><span style="color: #0000BB">$temp_filename</span><span style="color: #007700">, </span><span style="color: #0000BB">EIO_S_IFIFO</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">,<br /> </span><span style="color: #0000BB">EIO_PRI_DEFAULT</span><span style="color: #007700">, </span><span style="color: #DD0000">"my_mknod_callback"</span><span style="color: #007700">, </span><span style="color: #0000BB">$temp_filename</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">eio_event_loop</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
<div class="example-contents"><p>The above example will output
something similar to:</p></div>
<div class="example-contents screen">
<div class="cdata"><pre>
array(26) {
[0]=>
int(17)
[1]=>
int(2337608)
[2]=>
int(4096)
[3]=>
int(1)
[4]=>
int(1000)
[5]=>
int(100)
[6]=>
int(0)
[7]=>
int(0)
[8]=>
int(1318241261)
[9]=>
int(1318241261)
[10]=>
int(1318241261)
[11]=>
int(4096)
[12]=>
int(0)
["dev"]=>
int(17)
["ino"]=>
int(2337608)
["mode"]=>
int(4096)
["nlink"]=>
int(1)
["uid"]=>
int(1000)
["gid"]=>
int(100)
["rdev"]=>
int(0)
["size"]=>
int(0)
["atime"]=>
int(1318241261)
["mtime"]=>
int(1318241261)
["ctime"]=>
int(1318241261)
["blksize"]=>
int(4096)
["blocks"]=>
int(0)
}
eio_mknod_ok
</pre></div>
</div>
</div>
</div>
<div class="refsect1 seealso" id="refsect1-function.eio-mknod-seealso">
<h3 class="title">See Also</h3>
<ul class="simplelist">
<li class="member">eio_open</li>
</ul>
</div>
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