Commit 2242157f8f231827831a18fcf28fe043b48afc7c
1 parent
4b29a8c9
Updated mutithreaded example
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1 changed file
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8 additions
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8 deletions
12-threads.cpp
| ... | ... | @@ -7,32 +7,32 @@ |
| 7 | 7 | |
| 8 | 8 | int a = 0; |
| 9 | 9 | |
| 10 | -void WorkerThread(std::shared_ptr<asio::io_context> io_context, int counter) { | |
| 10 | +void WorkerThread(asio::io_context& io_context, int counter) { | |
| 11 | 11 | std::cout << counter << ".\n"; |
| 12 | - io_context->run(); | |
| 12 | + io_context.run(); | |
| 13 | 13 | std::cout << "End.\n"; |
| 14 | 14 | } |
| 15 | 15 | |
| 16 | 16 | int main(void) { |
| 17 | 17 | |
| 18 | - auto io_context = std::make_shared<asio::io_context>(); | |
| 18 | + asio::io_context io_context; | |
| 19 | 19 | |
| 20 | - asio::executor_work_guard work_guard(io_context->get_executor()); //prevent run() from exiting immediately after all work is done | |
| 20 | + asio::executor_work_guard work_guard(io_context.get_executor()); //prevent run() from exiting immediately after all work is done | |
| 21 | 21 | |
| 22 | 22 | std::cout << "Press ENTER key to exit!" << std::endl; |
| 23 | 23 | |
| 24 | 24 | std::vector<std::thread> threads; |
| 25 | 25 | for (int i = 0; i < 5; i++) |
| 26 | - threads.emplace_back(WorkerThread, io_context, i); | |
| 26 | + threads.emplace_back(WorkerThread, std::ref(io_context), i); | |
| 27 | 27 | |
| 28 | - io_context->post([] { std::cout << "Hello\n"; }); | |
| 28 | + io_context.post([] { std::cout << "Hello\n"; }); | |
| 29 | 29 | |
| 30 | 30 | std::cin.get(); |
| 31 | 31 | |
| 32 | - io_context->stop(); | |
| 32 | + io_context.stop(); | |
| 33 | 33 | |
| 34 | 34 | for (auto &i : threads) |
| 35 | 35 | i.join(); |
| 36 | 36 | |
| 37 | 37 | return 0; |
| 38 | -} | |
| 39 | 38 | \ No newline at end of file |
| 39 | +} | ... | ... |