1 /* 2 * Copyright (c) 2022-2024 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 UNWIND_LOCAL_THREAD_H 17 #define UNWIND_LOCAL_THREAD_H 18 19 #include <cinttypes> 20 #include <memory> 21 #include <vector> 22 23 #include "dfx_frame.h" 24 #include "unwinder.h" 25 26 namespace OHOS { 27 namespace HiviewDFX { 28 constexpr int32_t BACKTRACE_CURRENT_THREAD = -1; 29 30 std::string GetThreadHead(int32_t tid); 31 32 class BacktraceLocalThread { 33 public: 34 explicit BacktraceLocalThread(int32_t tid, std::shared_ptr<Unwinder> unwinder); 35 ~BacktraceLocalThread(); 36 37 bool Unwind(bool fast = false, size_t maxFrameNum = DEFAULT_MAX_FRAME_NUM, size_t skipFrameNum = 0); 38 bool UnwindOtherThreadMix(bool fast, size_t maxFrameNum = DEFAULT_MAX_FRAME_NUM, size_t skipFrameNum = 0); 39 40 const std::vector<DfxFrame>& GetFrames() const; 41 void SetFrames(const std::vector<DfxFrame>& frames); 42 std::string GetFormattedStr(bool withThreadName = false); 43 44 private: 45 int32_t tid_; 46 std::vector<DfxFrame> frames_; 47 std::shared_ptr<Unwinder> unwinder_; 48 }; 49 } // namespace HiviewDFX 50 } // namespace OHOS 51 #endif // UNWIND_LOCAL_THREAD_H 52