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 struct ThreadInfo { 25 pid_t tid; 26 allocator::vector<uintptr_t> regs; 27 std::pair<uintptr_t, uintptr_t> stack; 28 }; 29 30 using TidList = allocator::vector<pid_t>; 31 using ThreadInfoList = allocator::vector<ThreadInfo>; 32 33 class ThreadCaptureImpl; 34 35 class ThreadCapture { 36 public: 37 ThreadCapture(pid_t pid, Allocator<ThreadCapture> allocator); 38 ~ThreadCapture(); 39 40 bool ListThreads(TidList& tids); 41 bool CaptureThreads(); 42 bool ReleaseThreads(); 43 bool ReleaseThread(pid_t tid); 44 bool CapturedThreadInfo(ThreadInfoList& threads); 45 void InjectTestFunc(std::function<void(pid_t)>&& f); 46 47 private: 48 ThreadCapture(const ThreadCapture&) = delete; 49 void operator=(const ThreadCapture&) = delete; 50 51 Allocator<ThreadCaptureImpl>::unique_ptr impl_; 52 }; 53 54 #endif 55
