1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>cancel_delayed_work</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="Linux Device Drivers"><link rel="up" href="ch01s06.html" title="Workqueues and Kevents"><link rel="prev" href="API-flush-delayed-work.html" title="flush_delayed_work"><link rel="next" href="API-cancel-delayed-work-sync.html" title="cancel_delayed_work_sync"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span class="phrase">cancel_delayed_work</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-flush-delayed-work.html">Prev</a>&#160;</td><th width="60%" align="center">Workqueues and Kevents</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-cancel-delayed-work-sync.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-cancel-delayed-work"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>cancel_delayed_work &#8212; 
2     cancel a delayed work
3 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">bool <b class="fsfunc">cancel_delayed_work </b>(</code></td><td>struct delayed_work * <var class="pdparam">dwork</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1107753812"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>dwork</code></em></span></dt><dd><p>
4     delayed_work to cancel
5    </p></dd></dl></div></div><div class="refsect1"><a name="idp1107755428"></a><h2>Description</h2><p>
6   Kill off a pending delayed_work.
7</p></div><div class="refsect1"><a name="idp1107756068"></a><h2>Return</h2><p>
8   <code class="constant">true</code> if <em class="parameter"><code>dwork</code></em> was pending and canceled; <code class="constant">false</code> if it wasn't
9   pending.
10</p></div><div class="refsect1"><a name="idp1107757500"></a><h2>Note</h2><p>
11   The work callback function may still be running on return, unless
12   it returns <code class="constant">true</code> and the work doesn't re-arm itself.  Explicitly flush or
13   use <code class="function">cancel_delayed_work_sync</code> to wait on it.
14   </p><p>
15
16   This function is safe to call from any context including IRQ handler.
17</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-flush-delayed-work.html">Prev</a>&#160;</td><td width="20%" align="center"><a accesskey="u" href="ch01s06.html">Up</a></td><td width="40%" align="right">&#160;<a accesskey="n" href="API-cancel-delayed-work-sync.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">flush_delayed_work</span>&#160;</td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top">&#160;<span class="phrase">cancel_delayed_work_sync</span></td></tr></table></div></body></html>
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