[libc-commits] [libc] [libc][thread] detect self-join and mutual-join deadlock (PR #194891)

via libc-commits libc-commits at lists.llvm.org
Wed Apr 29 08:50:23 PDT 2026


github-actions[bot] wrote:

<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


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<details>
<summary>
You can test this locally with the following command:
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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp,h -- libc/src/__support/threads/linux/thread.cpp libc/src/__support/threads/thread.h --diff_from_common_commit
``````````

:warning:
The reproduction instructions above might return results for more than one PR
in a stack if you are using a stacked PR workflow. You can limit the results by
changing `origin/main` to the base branch/commit you want to compare against.
:warning:

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<details>
<summary>
View the diff from clang-format here.
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``````````diff
diff --git a/libc/src/__support/threads/linux/thread.cpp b/libc/src/__support/threads/linux/thread.cpp
index d568b337a..b7eae6212 100644
--- a/libc/src/__support/threads/linux/thread.cpp
+++ b/libc/src/__support/threads/linux/thread.cpp
@@ -22,8 +22,8 @@
 #include <arm_acle.h>
 #endif
 
-#include "hdr/fcntl_macros.h"
 #include "hdr/errno_macros.h"
+#include "hdr/fcntl_macros.h"
 #include "hdr/stdint_proxy.h"
 #include <linux/param.h> // For EXEC_PAGESIZE.
 #include <linux/prctl.h> // For PR_SET_NAME

``````````

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https://github.com/llvm/llvm-project/pull/194891


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