================
@@ -50,8 +53,19 @@ struct ModuleCacheEntries {
std::mutex Mutex;
llvm::StringMap<std::unique_ptr<ModuleCacheEntry>> Map;
+ void addInvalidatedPath(StringRef Path);
+ bool isDirectoryInvalidated(StringRef Directory) const;
+ bool hasInvalidatedPaths() const {
+ return AnyInvalidatedPaths.load(std::memory_order_acquire);
+ }
+
/// Flushes all PCMs built in-process to disk.
void flush();
+
+private:
+ mutable std::mutex InvalidatedPathsMutex;
+ llvm::StringSet<> InvalidatedPaths;
----------------
ojhunt wrote:
I'd really prefer some more correct-by-construction interface here - do we have
any existing idiomatic model? Something like
`operate(std::function<R(llvm::StringSet<>&)> Fn) { lock();
Fn(InvalidatedPaths); }` or anything? manual lock() + operate seems hazardous.
https://github.com/llvm/llvm-project/pull/229559
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