================ @@ -0,0 +1,39 @@ +//===----------------------------------------------------------------------===// +// +// 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_SERIALIZATION_MODULECACHELOCK_H +#define LLVM_CLANG_SERIALIZATION_MODULECACHELOCK_H + +#include "clang/Basic/LLVM.h" +#include "llvm/Support/LockFileManager.h" + +namespace clang { +enum class LockResult { Owned, Shared, Error }; +enum class WaitForUnlockResult { Success, OwnerDied, Timeout }; + +class ModuleCacheLockManager { +public: + virtual operator LockResult() const = 0; + virtual WaitForUnlockResult waitForUnlock() = 0; + virtual void unsafeRemoveLock() = 0; + virtual std::string getErrorMessage() const = 0; + virtual ~ModuleCacheLockManager() = default; +}; + +class ModuleCacheLock { +public: + virtual void prepareLock(StringRef ModuleFilename) = 0; + virtual std::unique_ptr<ModuleCacheLockManager> + tryLock(StringRef ModuleFilename) = 0; + virtual ~ModuleCacheLock() = default; +}; ---------------- Bigcheese wrote:
These two names are a bit confusing, and seem reversed. I would expect a LockManager to handle multiple locks, and just Lock to be the actual lock. https://github.com/llvm/llvm-project/pull/129751 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
