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<html xmlns:cf="http://docbook.sourceforge.net/xmlns/chunkfast/1.0"><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>7.燞elgrind: a data-race detector</title><link rel="stylesheet" href="vg_basic.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.69.0"><link rel="start" href="index.html" title="Valgrind Documentation"><link rel="up" href="manual.html" title="Valgrind User Manual"><link rel="prev" href="ms-manual.html" title="6.燤assif: a heap profiler"><link rel="next" href="nl-manual.html" title='8.燦ulgrind: the "null" tool'></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div><table class="nav" width="100%" cellspacing="3" cellpadding="3" border="0" summary="Navigation header"><tr><td width="22px" align="center" valign="middle"><a accesskey="p" href="ms-manual.html"><img src="images/prev.png" width="18" height="21" border="0" alt="Prev"></a></td><td width="25px" align="center" valign="middle"><a accesskey="u" href="manual.html"><img src="images/up.png" width="21" height="18" border="0" alt="Up"></a></td><td width="31px" align="center" valign="middle"><a accesskey="h" href="index.html"><img src="images/home.png" width="27" height="20" border="0" alt="Up"></a></td><th align="center" valign="middle">Valgrind User Manual</th><td width="22px" align="center" valign="middle"><a accesskey="n" href="nl-manual.html"><img src="images/next.png" width="18" height="21" border="0" alt="Next"></a></td></tr></table></div><div class="chapter" lang="en"><div class="titlepage"><div><div><h2 class="title"><a name="hg-manual"></a>7.燞elgrind: a data-race detector</h2></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="sect1"><a href="hg-manual.html#hg-manual.data-races">7.1. Data Races</a></span></dt><dt><span class="sect1"><a href="hg-manual.html#hg-manual.what-does">7.2. What Helgrind Does</a></span></dt><dt><span class="sect1"><a href="hg-manual.html#hg-manual.options">7.3. Helgrind Options</a></span></dt></dl></div><p>To use this tool, you must specify<code class="computeroutput">--tool=helgrind</code> on the Valgrindcommand line.</p><p>Note: Helgrind does not work in Valgrind 3.1.0. We hopeto reinstate in version 3.2.0.</p><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="hg-manual.data-races"></a>7.1.燚ata Races</h2></div></div></div><p>Helgrind is a valgrind tool for detecting data races in C and C++programs that use the Pthreads library.</p><p>It uses the Eraser algorithm described in: </p><div class="address"><p>Eraser:燗燚ynamic燚ata燫ace燚etector爁or燤ultithreaded燩rograms<br>牋Stefan燬avage,燤ichael燘urrows,燝reg燦elson,燩atrick燬obalvarro燼nd燭homas燗nderson<br>牋ACM燭ransactions爋n燙omputer燬ystems,⌨️ 快捷键说明
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