1 /* 2 * Copyright (c) 2025 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 #include "utils/request_id_util.h" 17 18 namespace OHOS { 19 namespace AbilityRuntime { 20 std::atomic<int32_t> RequestIdUtil::requestId_{ 1 }; GetRequestId()21int32_t RequestIdUtil::GetRequestId() 22 { 23 int32_t id = requestId_.fetch_add(1, std::memory_order_relaxed); 24 if (id == 0 || id == INT32_MAX) { 25 int32_t expect = id + 1; 26 requestId_.compare_exchange_strong(expect, 1); 27 id = requestId_.fetch_add(1, std::memory_order_relaxed); 28 } 29 return id; 30 } 31 } // namespace AbilityRuntime 32 } // namespace OHOS