1 /* 2 * Copyright (c) 2022 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 FOUNDATION_ABILITYRUNTIME_OHOS_DATASHARE_UV_QUEUE_H 17 #define FOUNDATION_ABILITYRUNTIME_OHOS_DATASHARE_UV_QUEUE_H 18 19 #include <functional> 20 21 #include "napi/native_api.h" 22 #include "napi/native_common.h" 23 #include "napi/native_node_api.h" 24 #include "uv.h" 25 26 namespace OHOS { 27 namespace AbilityRuntime { 28 class DataShareUvQueue { 29 using NapiVoidFunc = std::function<void()>; 30 31 public: 32 explicit DataShareUvQueue(napi_env env); 33 virtual ~DataShareUvQueue() = default; 34 35 void SyncCall(NapiVoidFunc func = NapiVoidFunc()); 36 37 private: 38 struct UvEntry { 39 napi_env env; 40 NapiVoidFunc func; 41 bool done; 42 bool purge; 43 std::condition_variable condition; 44 std::mutex mutex; 45 }; 46 47 static void Purge(uv_work_t* work); 48 49 napi_env env_ = nullptr; 50 uv_loop_s* loop_ = nullptr; 51 }; 52 } // namespace AbilityRuntime 53 } // namespace OHOS 54 #endif // FOUNDATION_ABILITYRUNTIME_OHOS_DATASHARE_UV_QUEUE_H