1 /** 2 * Copyright 2019 Huawei Technologies Co., Ltd 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 #ifndef MINDSPORE_CCSRC_MINDDATA_DATASET_UTIL_INTRP_RESOURCE_H_ 17 #define MINDSPORE_CCSRC_MINDDATA_DATASET_UTIL_INTRP_RESOURCE_H_ 18 19 #include <atomic> 20 #include "minddata/dataset/util/status.h" 21 22 namespace mindspore { 23 namespace dataset { 24 class IntrpResource { 25 public: 26 enum class State : int { kRunning, kInterrupted }; 27 IntrpResource()28 IntrpResource() : st_(State::kRunning) {} 29 30 virtual ~IntrpResource() = default; 31 Interrupt()32 virtual void Interrupt() { st_ = State::kInterrupted; } 33 ResetIntrpState()34 virtual void ResetIntrpState() { st_ = State::kRunning; } 35 CurState()36 State CurState() const { return st_; } 37 Interrupted()38 bool Interrupted() const { return CurState() == State::kInterrupted; } 39 GetInterruptStatus()40 virtual Status GetInterruptStatus() const { 41 if (Interrupted()) { 42 return Status(StatusCode::kMDInterrupted); 43 } 44 return Status::OK(); 45 } 46 47 protected: 48 std::atomic<State> st_; 49 }; 50 } // namespace dataset 51 } // namespace mindspore 52 #endif // MINDSPORE_CCSRC_MINDDATA_DATASET_UTIL_INTRP_RESOURCE_H_ 53