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[Support] [Windows] Conditionally compile the SetThreadInformation calls #151388

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Merged
merged 1 commit into from
Jul 31, 2025
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[Support] [Windows] Conditionally compile the SetThreadInformation calls #151388

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2 changes: 2 additions & 0 deletions llvm/lib/Support/Windows/Threading.inc
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Original file line number Diff line number Diff line change
Expand Up @@ -136,6 +136,7 @@ HMODULE loadSystemModuleSecure(LPCWSTR lpModuleName) {
} // namespace llvm::sys::windows

SetThreadPriorityResult llvm::set_thread_priority(ThreadPriority Priority) {
#ifdef THREAD_POWER_THROTTLING_CURRENT_VERSION
HMODULE kernelM = llvm::sys::windows::loadSystemModuleSecure(L"kernel32.dll");
if (kernelM) {
// SetThreadInformation is only available on Windows 8 and later. Since we
Expand Down Expand Up @@ -166,6 +167,7 @@ SetThreadPriorityResult llvm::set_thread_priority(ThreadPriority Priority) {
: 0);
}
}
#endif

// https://docs.microsoft.com/en-us/windows/desktop/api/processthreadsapi/nf-processthreadsapi-setthreadpriority
// Begin background processing mode. The system lowers the resource scheduling
Expand Down