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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - llvm::sys::process::get_self is not thread-safe"
href="http://llvm.org/bugs/show_bug.cgi?id=21639">21639</a>
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<th>Summary</th>
<td>llvm::sys::process::get_self is not thread-safe
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
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<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Windows NT
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>Support Libraries
</td>
</tr>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>nico.rieck@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>llvm::sys::process::get_self() is not thread-safe (at least on Windows) because
initialization of function local statics is not thread-safe. I've been bitten
by this with random crashes when using Clang in a multi-threaded application.
As long as the minimum required MSVC version does not implement thread-safe
static initialization this should be guarded explicitly (maybe with
ManagedStatic?).</pre>
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