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
26namespace OHOS {
27namespace HiviewDFX {
28constexpr int32_t BACKTRACE_CURRENT_THREAD = -1;
29
30class BacktraceLocalThread {
31public:
32    explicit BacktraceLocalThread(int32_t tid, std::shared_ptr<Unwinder> unwinder);
33    ~BacktraceLocalThread();
34
35    bool Unwind(bool fast = false, size_t maxFrameNum = DEFAULT_MAX_FRAME_NUM, size_t skipFrameNum = 0);
36
37    const std::vector<DfxFrame>& GetFrames() const;
38    void SetFrames(const std::vector<DfxFrame>& frames);
39    std::string GetFormattedStr(bool withThreadName = false);
40
41private:
42    int32_t tid_;
43    std::vector<DfxFrame> frames_;
44    std::shared_ptr<Unwinder> unwinder_;
45};
46} // namespace HiviewDFX
47} // namespace OHOS
48#endif // UNWIND_LOCAL_THREAD_H
49