1 /* 2 * Copyright (C) 2016 The Android Open Source Project 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 17 #ifndef LIBMEMUNREACHABLE_THREAD_CAPTURE_H_ 18 #define LIBMEMUNREACHABLE_THREAD_CAPTURE_H_ 19 20 #include <utility> 21 22 #include "Allocator.h" 23 24 namespace android { 25 26 struct ThreadInfo { 27 pid_t tid; 28 allocator::vector<uintptr_t> regs; 29 std::pair<uintptr_t, uintptr_t> stack; 30 }; 31 32 using TidList = allocator::vector<pid_t>; 33 using ThreadInfoList = allocator::vector<ThreadInfo>; 34 35 class ThreadCaptureImpl; 36 37 class ThreadCapture { 38 public: 39 ThreadCapture(pid_t pid, Allocator<ThreadCapture> allocator); 40 ~ThreadCapture(); 41 42 bool ListThreads(TidList& tids); 43 bool CaptureThreads(); 44 bool ReleaseThreads(); 45 bool ReleaseThread(pid_t tid); 46 bool CapturedThreadInfo(ThreadInfoList& threads); 47 void InjectTestFunc(std::function<void(pid_t)>&& f); 48 49 private: 50 ThreadCapture(const ThreadCapture&) = delete; 51 void operator=(const ThreadCapture&) = delete; 52 53 Allocator<ThreadCaptureImpl>::unique_ptr impl_; 54 }; 55 56 } // namespace android 57 58 #endif 59
