| 1 | // Copyright (C) 2015 Vicente Botet |
|---|---|
| 2 | // |
| 3 | // Distributed under the Boost Software License, Version 1.0. (See accompanying |
| 4 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| 5 | |
| 6 | #define BOOST_THREAD_VERSION 4 |
| 7 | #include <boost/thread.hpp> |
| 8 | #include <boost/thread/tss.hpp> |
| 9 | #include <boost/shared_ptr.hpp> |
| 10 | #include <iostream> |
| 11 | |
| 12 | struct A |
| 13 | { |
| 14 | void DoWork() |
| 15 | { |
| 16 | std::cout << "A: doing work\n"; |
| 17 | if (!m_ptr.get()) |
| 18 | m_ptr.reset(new_value: new WorkSpace()); |
| 19 | // do not very much |
| 20 | for (size_t i = 0; i < 10; ++i) |
| 21 | m_ptr->a += 10; |
| 22 | } |
| 23 | |
| 24 | private: |
| 25 | struct WorkSpace |
| 26 | { |
| 27 | int a; |
| 28 | WorkSpace() : a(0) {} |
| 29 | }; |
| 30 | boost::thread_specific_ptr<WorkSpace> m_ptr; |
| 31 | }; |
| 32 | |
| 33 | struct B |
| 34 | { |
| 35 | void DoWork() |
| 36 | { |
| 37 | std::cout << "B: doing work\n"; |
| 38 | if (!m_ptr.get()) |
| 39 | m_ptr.reset(new_value: new A()); |
| 40 | m_ptr->DoWork(); |
| 41 | } |
| 42 | private: |
| 43 | boost::thread_specific_ptr<A> m_ptr; |
| 44 | }; |
| 45 | |
| 46 | struct C |
| 47 | { |
| 48 | void DoWork() |
| 49 | { |
| 50 | std::cout << "C: doing work\n"; |
| 51 | if (!m_ptr.get()) |
| 52 | m_ptr.reset(new_value: new B()); |
| 53 | m_ptr->DoWork(); |
| 54 | } |
| 55 | private: |
| 56 | boost::thread_specific_ptr<B> m_ptr; |
| 57 | }; |
| 58 | |
| 59 | int main(int ac, char** av) |
| 60 | { |
| 61 | std::cout << "test starting\n"; |
| 62 | boost::shared_ptr<C> p_C(new C); |
| 63 | boost::thread cWorker(&C::DoWork, p_C); |
| 64 | cWorker.join(); |
| 65 | std::cout << "test stopping\n"; |
| 66 | return 0; |
| 67 | } |
| 68 | |
| 69 | |
| 70 | |
| 71 |