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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - libc++ assumes too much about pthread_t"
href="http://llvm.org/bugs/show_bug.cgi?id=20749">20749</a>
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<th>Summary</th>
<td>libc++ assumes too much about pthread_t
</td>
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<th>Product</th>
<td>libc++
</td>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>All
</td>
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<th>OS</th>
<td>All
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>All Bugs
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>kaballo86@hotmail.com
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<th>CC</th>
<td>llvmbugs@cs.uiuc.edu, mclow.lists@gmail.com
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<th>Classification</th>
<td>Unclassified
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<p>
<div>
<pre>libc++ assumes that `pthread_t` is either `void*` or `long`, but a conformant
implementation can choose to use a struct instead. This is useful, for
instance, to add a reuse counter so as to reduce collisions on reused ids.
Unfortunately, the only thing one can do with `pthread_t` is to compare two
*valid* ids via `pthread_equal`, so for implementations where it is a struct,
it is not suitable to implement `std::thread::id`.</pre>
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