1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>sys_get_robust_list</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&#160;12.&#160;Futex API reference"><link rel="prev" href="API-sys-set-robust-list.html" title="sys_set_robust_list"><link rel="next" href="references.html" title="Chapter&#160;13.&#160;Further reading"></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">sys_get_robust_list</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-sys-set-robust-list.html">Prev</a>&#160;</td><th width="60%" align="center">Chapter&#160;12.&#160;Futex API reference</th><td width="20%" align="right">&#160;<a accesskey="n" href="references.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-sys-get-robust-list"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>sys_get_robust_list &#8212; 
2     Get the robust-futex list head of a task
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">long <b class="fsfunc">sys_get_robust_list </b>(</code></td><td>int <var class="pdparam">pid</var>, </td></tr><tr><td>&#160;</td><td>struct robust_list_head __user *__user * <var class="pdparam">head_ptr</var>, </td></tr><tr><td>&#160;</td><td>size_t __user * <var class="pdparam">len_ptr</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1124980204"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>pid</code></em></span></dt><dd><p>
4     pid of the process [zero for current task]
5    </p></dd><dt><span class="term"><em class="parameter"><code>head_ptr</code></em></span></dt><dd><p>
6     pointer to a list-head pointer, the kernel fills it in
7    </p></dd><dt><span class="term"><em class="parameter"><code>len_ptr</code></em></span></dt><dd><p>
8     pointer to a length field, the kernel fills in the header size
9    </p></dd></dl></div></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-sys-set-robust-list.html">Prev</a>&#160;</td><td width="20%" align="center"><a accesskey="u" href="apiref-futex.html">Up</a></td><td width="40%" align="right">&#160;<a accesskey="n" href="references.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">sys_set_robust_list</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;Chapter&#160;13.&#160;Further reading</td></tr></table></div></body></html>
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