1 // Copyright (C) 2023 The Android Open Source Project
2 //
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 #pragma once
16 
17 #include <ditto/instruction.h>
18 #include <ditto/multithreading_utils.h>
19 
20 #include <array>
21 
22 #include <pthread.h>
23 
24 namespace dittosuite {
25 
26 class Multiprocessing : public Instruction {
27  public:
28   inline static const std::string kName = "multiprocessing";
29 
30   explicit Multiprocessing(const Params& params,
31                            std::vector<std::unique_ptr<Instruction>> instructions,
32                            std::vector<MultithreadingParams> thread_params);
33   std::unique_ptr<Result> CollectResults(const std::string& prefix) override;
34 
35  private:
36   void SetUpSingle() override;
37   void RunSingle() override;
38   void TearDownSingle(bool is_last) override;
39 
40   std::vector<std::unique_ptr<Instruction>> instructions_;
41   std::vector<MultithreadingParams> thread_params_;
42   std::vector<std::array<int, 2>> pipe_fds_;
43   unsigned int instruction_id_;
44   pthread_barrier_t* barrier_execution_;
45   pthread_barrier_t* barrier_execution_end_;
46   pthread_mutex_t* initialization_mutex_;
47   bool is_manager_;
48 };
49 
50 }  // namespace dittosuite
51