1 /* 2 * Copyright (c) 2021-2023 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 #ifndef DFX_SIGNAL_HANDLER_H 16 #define DFX_SIGNAL_HANDLER_H 17 18 #include <inttypes.h> 19 #include <threads.h> 20 #include <signal.h> 21 #include <ucontext.h> 22 23 #ifdef __cplusplus 24 extern "C" { 25 #endif 26 /** 27 * @brief callback function of thread infomation when thread crash 28 * 29 * @param buf buffer for writing thread infomation 30 * @param len length of buffer 31 * @param ucontext userlevel context 32 */ 33 typedef void(*ThreadInfoCallBack)(char* buf, size_t len, void* ucontext); 34 35 /** 36 * @brief set callback function of thread infomation 37 * 38 * @param func callback function of thread infomation 39 */ 40 void SetThreadInfoCallback(ThreadInfoCallBack func); 41 42 /** 43 * @brief install signal handler 44 */ 45 void DFX_InstallSignalHandler(void); 46 47 #ifdef __cplusplus 48 } 49 #endif 50 #endif 51