| // Copyright (C) 2015 Vicente Botet |
| // |
| // Distributed under the Boost Software License, Version 1.0. (See accompanying |
| // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| |
| #define BOOST_THREAD_VERSION 4 |
| #include <boost/thread.hpp> |
| #include <boost/thread/tss.hpp> |
| #include <boost/shared_ptr.hpp> |
| #include <iostream> |
| |
| struct A |
| { |
| void DoWork() |
| { |
| std::cout << "A: doing work\n"; |
| if (!m_ptr.get()) |
| m_ptr.reset(new WorkSpace()); |
| // do not very much |
| for (size_t i = 0; i < 10; ++i) |
| m_ptr->a += 10; |
| } |
| |
| private: |
| struct WorkSpace |
| { |
| int a; |
| WorkSpace() : a(0) {} |
| }; |
| boost::thread_specific_ptr<WorkSpace> m_ptr; |
| }; |
| |
| struct B |
| { |
| void DoWork() |
| { |
| std::cout << "B: doing work\n"; |
| if (!m_ptr.get()) |
| m_ptr.reset(new A()); |
| m_ptr->DoWork(); |
| } |
| private: |
| boost::thread_specific_ptr<A> m_ptr; |
| }; |
| |
| struct C |
| { |
| void DoWork() |
| { |
| std::cout << "C: doing work\n"; |
| if (!m_ptr.get()) |
| m_ptr.reset(new B()); |
| m_ptr->DoWork(); |
| } |
| private: |
| boost::thread_specific_ptr<B> m_ptr; |
| }; |
| |
| int main(int ac, char** av) |
| { |
| std::cout << "test starting\n"; |
| boost::shared_ptr<C> p_C(new C); |
| boost::thread cWorker(&C::DoWork, p_C); |
| cWorker.join(); |
| std::cout << "test stopping\n"; |
| return 0; |
| } |
| |
| |
| |