1 /** 2 * Copyright 2020-2022 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_INCLUDE_COMMON_UTILS_SIGNAL_UTIL_H_ 17 #define MINDSPORE_CCSRC_INCLUDE_COMMON_UTILS_SIGNAL_UTIL_H_ 18 19 #include <csignal> 20 #include "include/common/visible.h" 21 22 namespace mindspore { 23 typedef void (*IntHandlerFunc)(int, siginfo_t *, void *); 24 class COMMON_EXPORT SignalGuard { 25 public: 26 explicit SignalGuard(IntHandlerFunc func); 27 ~SignalGuard(); 28 29 private: 30 void RegisterHandlers(IntHandlerFunc func); 31 void (*old_handler)(int, siginfo_t *, void *) = nullptr; 32 struct sigaction int_action; 33 }; 34 } // namespace mindspore 35 #endif // MINDSPORE_CCSRC_INCLUDE_COMMON_UTILS_SIGNAL_UTIL_H_ 36