InProcessModuleCache.h

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/===----------------------------------------------------------------------===/
/
/ Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
/ See https://llvm.org/LICENSE.txt for license information.
/ SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
/
/===----------------------------------------------------------------------===/
 
#ifndef LLVM_CLANG_DEPENDENCYSCANNING_INPROCESSMODULECACHE_H
#define LLVM_CLANG_DEPENDENCYSCANNING_INPROCESSMODULECACHE_H
 
#include "clang/Serialization/ModuleCache.h"
#include "llvm/ADT/StringMap.h"
 
#include <mutex>
#include <shared_mutex>
 
namespace clang {
namespace dependencies {
 
struct ModuleCacheEntry {
  std::shared_mutex CompilationMutex;
  std::atomic<std::time_t> Timestamp = 0;
};
 
struct ModuleCacheEntries {
  std::mutex Mutex;
  llvm::StringMap<std::unique_ptr<ModuleCacheEntry>> Map;
};
 
IntrusiveRefCntPtr<ModuleCache>
makeInProcessModuleCache(ModuleCacheEntries &Entries);
 
} / namespace dependencies
} / namespace clang
 
#endif / LLVM_CLANG_DEPENDENCYSCANNING_INPROCESSMODULECACHE_H