1 /* 2 * 3 * Copyright 2015 gRPC authors. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 */ 18 19 #ifndef GRPC_INTERNAL_CPP_THREAD_POOL_INTERFACE_H 20 #define GRPC_INTERNAL_CPP_THREAD_POOL_INTERFACE_H 21 22 #include <functional> 23 24 namespace grpc { 25 26 // A thread pool interface for running callbacks. 27 class ThreadPoolInterface { 28 public: ~ThreadPoolInterface()29 virtual ~ThreadPoolInterface() {} 30 31 // Schedule the given callback for execution. 32 virtual void Add(const std::function<void()>& callback) = 0; 33 }; 34 35 // Allows different codebases to use their own thread pool impls 36 typedef ThreadPoolInterface* (*CreateThreadPoolFunc)(void); 37 void SetCreateThreadPool(CreateThreadPoolFunc func); 38 39 ThreadPoolInterface* CreateDefaultThreadPool(); 40 41 } // namespace grpc 42 43 #endif // GRPC_INTERNAL_CPP_THREAD_POOL_INTERFACE_H 44