1 /* 2 * Copyright (C) 2015 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 _MEMORY_REPLAY_THREAD_H 18 #define _MEMORY_REPLAY_THREAD_H 19 20 #include <pthread.h> 21 #include <stdint.h> 22 #include <sys/types.h> 23 24 class Action; 25 class Pointers; 26 27 constexpr size_t ACTION_MEMORY_SIZE = 128; 28 29 class Thread { 30 public: 31 Thread(); 32 virtual ~Thread(); 33 34 void WaitForReady(); 35 void WaitForPending(); 36 void SetPending(); 37 void ClearPending(); 38 39 Action* CreateAction(uintptr_t key_pointer, const char* type, const char* line); 40 void AddTimeNsecs(uint64_t nsecs) { total_time_nsecs_ += nsecs; } 41 42 void set_pointers(Pointers* pointers) { pointers_ = pointers; } 43 Pointers* pointers() { return pointers_; } 44 45 Action* GetAction() { return reinterpret_cast<Action*>(action_memory_); } 46 47 private: 48 pthread_mutex_t mutex_ = PTHREAD_MUTEX_INITIALIZER; 49 pthread_cond_t cond_; 50 bool pending_ = false; 51 52 pthread_t thread_id_; 53 pid_t tid_ = 0; 54 uint64_t total_time_nsecs_ = 0; 55 56 Pointers* pointers_ = nullptr; 57 58 // Per thread memory for an Action. Only one action can be processed. 59 // at a time. 60 static constexpr size_t ACTION_SIZE = 128; 61 uint8_t action_memory_[ACTION_SIZE]; 62 63 friend class Threads; 64 }; 65 66 #endif // _MEMORY_REPLAY_THREAD_H 67
