/* * Copyright (c) Meta Platforms, Inc. and affiliates. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #pragma once #include #include namespace folly { class DeadlockDetector { public: virtual ~DeadlockDetector() {} }; class DeadlockDetectorFactory { public: virtual ~DeadlockDetectorFactory() {} virtual std::unique_ptr create( Executor* executor, const std::string& name, std::unique_ptr threadIdCollector) = 0; static DeadlockDetectorFactory* instance(); }; using GetDeadlockDetectorFactoryInstance = DeadlockDetectorFactory*(); #if FOLLY_HAVE_WEAK_SYMBOLS FOLLY_ATTR_WEAK GetDeadlockDetectorFactoryInstance get_deadlock_detector_factory_instance; #else constexpr GetDeadlockDetectorFactoryInstance* get_deadlock_detector_factory_instance = nullptr; #endif } // namespace folly