[compiler-rt] [scudo] Add thread-safety annotation on getMemoryGroupFragmentationIn… (PR #108277)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-compiler-rt-sanitizer

Author: None (ChiaHungDuan)

<details>
<summary>Changes</summary>

…foInRegion

---
Full diff: https://github.com/llvm/llvm-project/pull/108277.diff


1 Files Affected:

- (modified) compiler-rt/lib/scudo/standalone/primary64.h (+1-1) 


``````````diff
diff --git a/compiler-rt/lib/scudo/standalone/primary64.h b/compiler-rt/lib/scudo/standalone/primary64.h
index 045070d0e34de9..a3b6e309ed3fce 100644
--- a/compiler-rt/lib/scudo/standalone/primary64.h
+++ b/compiler-rt/lib/scudo/standalone/primary64.h
@@ -1207,7 +1207,7 @@ template <typename Config> class SizeClassAllocator64 {
 
   void getMemoryGroupFragmentationInfoInRegion(RegionInfo *Region, uptr ClassId,
                                                ScopedString *Str)
-      REQUIRES(Region->MMLock) {
+      REQUIRES(Region->MMLock) EXCLUDES(Region->FLLock) {
     const uptr BlockSize = getSizeByClassId(ClassId);
     const uptr AllocatedUserEnd =
         Region->MemMapInfo.AllocatedUser + Region->RegionBeg;

``````````

</details>


https://github.com/llvm/llvm-project/pull/108277