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 #include <grpc/support/cpu.h> 20 21 #include "src/cpp/server/dynamic_thread_pool.h" 22 23 #ifndef GRPC_CUSTOM_DEFAULT_THREAD_POOL 24 25 namespace grpc { 26 namespace { 27 CreateDefaultThreadPoolImpl()28ThreadPoolInterface* CreateDefaultThreadPoolImpl() { 29 int cores = gpr_cpu_num_cores(); 30 if (!cores) cores = 4; 31 return new DynamicThreadPool(cores); 32 } 33 34 CreateThreadPoolFunc g_ctp_impl = CreateDefaultThreadPoolImpl; 35 36 } // namespace 37 CreateDefaultThreadPool()38ThreadPoolInterface* CreateDefaultThreadPool() { return g_ctp_impl(); } 39 SetCreateThreadPool(CreateThreadPoolFunc func)40void SetCreateThreadPool(CreateThreadPoolFunc func) { g_ctp_impl = func; } 41 42 } // namespace grpc 43 44 #endif // !GRPC_CUSTOM_DEFAULT_THREAD_POOL 45