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<li class="navelem"><a class="el" href="namespacecrashpad.html">crashpad</a></li><li class="navelem"><a class="el" href="classcrashpad_1_1ScopedPrSetPtracer.html">ScopedPrSetPtracer</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> |
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<div class="title">crashpad::ScopedPrSetPtracer Class Reference</div> </div>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a41e0b7ae766688bf7157a8283018e1c7"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classcrashpad_1_1ScopedPrSetPtracer.html#a41e0b7ae766688bf7157a8283018e1c7">ScopedPrSetPtracer</a> (pid_t pid, bool may_log)</td></tr>
<tr class="memdesc:a41e0b7ae766688bf7157a8283018e1c7"><td class="mdescLeft"> </td><td class="mdescRight">Uses <code>PR_SET_PTRACER</code> to set <em>pid</em> as the caller's ptracer. <a href="#a41e0b7ae766688bf7157a8283018e1c7">More...</a><br /></td></tr>
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<h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a41e0b7ae766688bf7157a8283018e1c7">◆ </a></span>ScopedPrSetPtracer()</h2>
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<td class="memname">crashpad::ScopedPrSetPtracer::ScopedPrSetPtracer </td>
<td>(</td>
<td class="paramtype">pid_t </td>
<td class="paramname"><em>pid</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">bool </td>
<td class="paramname"><em>may_log</em> </td>
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<td>)</td>
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<p>Uses <code>PR_SET_PTRACER</code> to set <em>pid</em> as the caller's ptracer. </p>
<p><code>PR_SET_PTRACER</code> is only supported if the Yama Linux security module (LSM) is enabled. Otherwise, <code>prctl(PR_SET_PTRACER, ...)</code> fails with <code>EINVAL</code>. See linux-4.9.20/security/yama/yama_lsm.c yama_task_prctl() and linux-4.9.20/kernel/sys.c [sys_]prctl().</p>
<p>An error message will be logged on failure only if <em>may_log</em> is <code>true</code> and <code>prctl</code> does not fail with <code>EINVAL</code>;</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">pid</td><td>The process ID of the process to make the caller's ptracer. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">may_log</td><td>if <code>true</code>, this class may log error messages. </td></tr>
</table>
</dd>
</dl>
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<hr/>The documentation for this class was generated from the following files:<ul>
<li>util/linux/scoped_pr_set_ptracer.h</li>
<li>util/linux/scoped_pr_set_ptracer.cc</li>
</ul>
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