[llvm] Fix thread handle leak on Windows (PR #156854)

via llvm-commits llvm-commits at lists.llvm.org
Mon Sep 8 04:12:43 PDT 2025


=?utf-8?q?Ɓukasz?= Mielicki <lukasz.mielicki at intel.com>
Message-ID:
In-Reply-To: <llvm.org/llvm/llvm-project/pull/156854 at github.com>


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 inc -- llvm/lib/Support/Windows/Threading.inc
``````````

:warning:
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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.
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</details>

<details>
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Support/Windows/Threading.inc b/llvm/lib/Support/Windows/Threading.inc
index 6fb67ac8c..968423b98 100644
--- a/llvm/lib/Support/Windows/Threading.inc
+++ b/llvm/lib/Support/Windows/Threading.inc
@@ -201,7 +201,7 @@ template <typename F>
 static bool IterateProcInfo(LOGICAL_PROCESSOR_RELATIONSHIP Relationship, F Fn) {
   DWORD Len = 0;
   BOOL R = ::GetLogicalProcessorInformationEx(Relationship, NULL, &Len);
-  if (R || GetLastError() != ERROR_INSUFFICIENT_BUFFER) 
+  if (R || GetLastError() != ERROR_INSUFFICIENT_BUFFER)
     return false;
 
   auto *Info = (SYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX *)calloc(1, Len);

``````````

</details>


https://github.com/llvm/llvm-project/pull/156854


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