1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>__unqueue_futex</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="Unreliable Guide To Locking"><link rel="up" href="apiref-futex.html" title="Chapter 12. Futex API reference"><link rel="prev" href="API-futex-lock-pi-atomic.html" title="futex_lock_pi_atomic"><link rel="next" href="API-requeue-futex.html" title="requeue_futex"></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">__unqueue_futex</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-futex-lock-pi-atomic.html">Prev</a> </td><th width="60%" align="center">Chapter 12. Futex API reference</th><td width="20%" align="right"> <a accesskey="n" href="API-requeue-futex.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API---unqueue-futex"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>__unqueue_futex — 2 Remove the futex_q from its futex_hash_bucket 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">void <b class="fsfunc">__unqueue_futex </b>(</code></td><td>struct futex_q * <var class="pdparam">q</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1"><a name="idp1124832292"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>q</code></em></span></dt><dd><p> 4 The futex_q to unqueue 5 </p></dd></dl></div></div><div class="refsect1"><a name="idp1124833860"></a><h2>Description</h2><p> 6 The q->lock_ptr must not be NULL and must be held by the caller. 7</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-futex-lock-pi-atomic.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="apiref-futex.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="API-requeue-futex.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">futex_lock_pi_atomic</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span class="phrase">requeue_futex</span></td></tr></table></div></body></html> 8