https://github.com/zahiraam created
https://github.com/llvm/llvm-project/pull/118664
None
>From 35f795549d25ec1358b54ebd3f2176cf8e49aeff Mon Sep 17 00:00:00 2001
From: Zahira Ammarguellat <zahira.ammarguel...@intel.com>
Date: Wed, 4 Dec 2024 08:23:12 -0800
Subject: [PATCH] [NFC] Avoid data race condition.
---
clang-tools-extra/clangd/TUScheduler.cpp | 2 ++
1 file changed, 2 insertions(+)
diff --git a/clang-tools-extra/clangd/TUScheduler.cpp
b/clang-tools-extra/clangd/TUScheduler.cpp
index 71548b59cc3088..96045380a3f21b 100644
--- a/clang-tools-extra/clangd/TUScheduler.cpp
+++ b/clang-tools-extra/clangd/TUScheduler.cpp
@@ -501,6 +501,7 @@ class PreambleThread {
}
{
+ std::unique_lock<std::mutex> Lock(Mutex);
WithContext Guard(std::move(CurrentReq->Ctx));
// Note that we don't make use of the ContextProvider here.
// Preamble tasks are always scheduled by ASTWorker tasks, and we
@@ -1329,6 +1330,7 @@ void ASTWorker::startTask(llvm::StringRef Name,
std::optional<UpdateType> Update,
TUScheduler::ASTActionInvalidation Invalidation) {
if (RunSync) {
+ std::lock_guard<std::mutex> Lock(Mutex);
assert(!Done && "running a task after stop()");
runTask(Name, Task);
return;
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