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_THREADS_H
18#define _MEMORY_REPLAY_THREADS_H
19
20#include <stdint.h>
21#include <sys/types.h>
22
23class Pointers;
24class Thread;
25
26class Threads {
27 public:
28  Threads(Pointers* pointers, size_t max_threads);
29  virtual ~Threads();
30
31  Thread* CreateThread(pid_t tid);
32  Thread* FindThread(pid_t tid);
33  void WaitForAllToQuiesce();
34  void Finish(Thread* thread);
35  void FinishAll();
36
37  size_t num_threads() { return num_threads_; }
38  size_t max_threads() { return max_threads_; }
39  uint64_t total_time_nsecs() { return total_time_nsecs_; }
40
41 private:
42  Pointers* pointers_ = nullptr;
43  Thread* threads_ = nullptr;
44  size_t data_size_ = 0;
45  size_t max_threads_ = 0;
46  size_t num_threads_= 0;
47  uint64_t total_time_nsecs_ = 0;
48
49  Thread* FindEmptyEntry(pid_t tid);
50  size_t GetHashEntry(pid_t tid);
51
52  void ClearData();
53
54  friend Thread;
55};
56
57#endif // _MEMORY_REPLAY_THREADS_H
58