1 /* 2 * Copyright (C) 2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef OHOS_IPC_IPC_WORK_THREAD_POOL_H 17 #define OHOS_IPC_IPC_WORK_THREAD_POOL_H 18 19 #include <functional> 20 #include <thread> 21 #include <map> 22 #include <atomic> 23 #include <mutex> 24 #include <ipc_workthread.h> 25 #include "hilog/log.h" 26 #include "log_tags.h" 27 28 namespace OHOS { 29 #ifdef CONFIG_IPC_SINGLE 30 namespace IPC_SINGLE { 31 #endif 32 33 class IPCWorkThreadPool { 34 public: 35 IPCWorkThreadPool(const IPCWorkThreadPool &) = delete; 36 37 IPCWorkThreadPool(IPCWorkThreadPool &&) = delete; 38 39 ~IPCWorkThreadPool(); 40 41 IPCWorkThreadPool &operator = (const IPCWorkThreadPool &) = delete; 42 43 IPCWorkThreadPool &operator = (IPCWorkThreadPool &&) = delete; 44 45 bool SpawnThread(int policy = IPCWorkThread::SPAWN_PASSIVE, int proto = IRemoteObject::IF_PROT_DEFAULT); 46 47 bool RemoveThread(const std::string &threadName); 48 49 void StopAllThreads(); 50 51 explicit IPCWorkThreadPool(int maxThreadNum); 52 53 int GetMaxThreadNum() const; 54 55 void UpdateMaxThreadNum(int maxThreadNum); 56 int GetSocketIdleThreadNum() const; 57 int GetSocketTotalThreadNum() const; 58 59 private: 60 static constexpr int PROTO_NUM = 2; 61 std::string MakeThreadName(int proto); 62 std::map<std::string, sptr<IPCWorkThread>> threads_; 63 std::atomic<int> threadSequence_; 64 int maxThreadNum_; 65 int idleThreadNum_; 66 int idleSocketThreadNum_; 67 std::mutex mutex_; 68 static constexpr HiviewDFX::HiLogLabel LABEL = { LOG_CORE, LOG_ID_IPC, "IPCWorkThreadPool" }; 69 }; 70 #ifdef CONFIG_IPC_SINGLE 71 } // namespace IPC_SINGLE 72 #endif 73 } // namespace OHOS 74 #endif // OHOS_IPC_IPC_WORK_THREAD_POOL_H 75