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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - clang-tidy (and possibly other tools) leave temporary files behind"
href="https://bugs.llvm.org/show_bug.cgi?id=37091">37091</a>
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<th>Summary</th>
<td>clang-tidy (and possibly other tools) leave temporary files behind
</td>
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<th>Product</th>
<td>new-bugs
</td>
</tr>
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Linux
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>new bugs
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>david.stenberg@ericsson.com
</td>
</tr>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
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<div>
<pre>After the following commit was introduced:
Author: Ilya Biryukov <<a href="mailto:ibiryukov@google.com">ibiryukov@google.com</a>>
Date: Mon Mar 19 14:19:58 2018 +0000
Changed createTemporaryFile without FD to actually create a file.
Summary:
This commit changes semantics of createUniqueFile and
createTemporaryFile variants that do not return file descriptors.
Previously they only checked if files exist, therefore being subject
to race conditions. Now they will create an empty file to avoid them.
Functions that do not create a file are now called
getPotentiallyUniqueTempFileName and getPotentiallyUniqueFileName.
Reviewers: klimek, bkramer, krasimir, JDevlieghere, espindola
Reviewed By: klimek
Subscribers: llvm-commits
Differential Revision: <a href="https://reviews.llvm.org/D36827">https://reviews.llvm.org/D36827</a>
git-svn-id: <a href="https://llvm.org/svn/llvm-project/llvm/trunk@327851">https://llvm.org/svn/llvm-project/llvm/trunk@327851</a>
91177308-0d34-0410-b5e6-96231b3b80d8
we have encountered cases where clang-tidy leaves behind temporary files. This
might also be the case for other tools, but I have not verified that.
When e.g. running the following:
( export TMPDIR=tmpdir; rm -rf $TMPDIR; mkdir $TMPDIR;
clang-tidy empty-file.c -- --target=mips64 )
a placeholder-*.s file is left in $TMPDIR:
$ ls tmpdir/
placeholder-601760.s
A temporary file is created when specifying the following targets: mips64,
mips64el, msp430, nios2, r600, amdgcn, sparc, sparcv9, sparcel, tce, tcele,
xcore, nvptx, nvptx64, le64, spir, spir64, renderscript32, renderscript64.</pre>
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