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  <div class="section" id="module-celery.platform">
<h1>Platform Specific - celery.platform<a class="headerlink" href="#module-celery.platform" title="Permalink to this headline">¶</a></h1>
<p>celery.platform</p>
<dl class="class">
<dt id="celery.platform.PIDFile">
<em class="property">
class </em><tt class="descclassname">celery.platform.</tt><tt class="descname">PIDFile</tt><big>(</big><em>pidfile</em><big>)</big><a class="headerlink" href="#celery.platform.PIDFile" title="Permalink to this definition">¶</a></dt>
<dd><p>Manages a pid file.</p>
<dl class="method">
<dt id="celery.platform.PIDFile.check">
<tt class="descname">check</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.platform.PIDFile.check" title="Permalink to this definition">¶</a></dt>
<dd><p>Check the status of the pidfile.</p>
<p>If the pidfile exists, and the process is not running, it will
remove the stale pidfile and continue as normal. If the process
<em>is</em> running, it will exit the program with an error message.</p>
</dd></dl>

<dl class="method">
<dt id="celery.platform.PIDFile.get_pid">
<tt class="descname">get_pid</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.platform.PIDFile.get_pid" title="Permalink to this definition">¶</a></dt>
<dd>Get the process id stored in the pidfile.</dd></dl>

<dl class="method">
<dt id="celery.platform.PIDFile.remove">
<tt class="descname">remove</tt><big>(</big><big>)</big><a class="headerlink" href="#celery.platform.PIDFile.remove" title="Permalink to this definition">¶</a></dt>
<dd>Remove the pidfile.</dd></dl>

<dl class="method">
<dt id="celery.platform.PIDFile.write">
<tt class="descname">write</tt><big>(</big><em>pid=None</em><big>)</big><a class="headerlink" href="#celery.platform.PIDFile.write" title="Permalink to this definition">¶</a></dt>
<dd><p>Write a pidfile.</p>
<p>If <tt class="docutils literal"><span class="pre">pid</span></tt> is not specified the pid of the current process
will be used.</p>
</dd></dl>

</dd></dl>

<dl class="function">
<dt id="celery.platform.daemonize">
<tt class="descclassname">celery.platform.</tt><tt class="descname">daemonize</tt><big>(</big><em>pidfile</em><big>)</big><a class="headerlink" href="#celery.platform.daemonize" title="Permalink to this definition">¶</a></dt>
<dd>Detach a process from the controlling terminal and run it in the
background as a daemon.</dd></dl>

<dl class="function">
<dt id="celery.platform.remove_pidfile">
<tt class="descclassname">celery.platform.</tt><tt class="descname">remove_pidfile</tt><big>(</big><em>pidfile</em><big>)</big><a class="headerlink" href="#celery.platform.remove_pidfile" title="Permalink to this definition">¶</a></dt>
<dd>Remove the pidfile.</dd></dl>

</div>


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