// Copyright (C) 2010 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) #include #include #include #include #include using namespace boost; using namespace boost::chrono; struct dummy_class_tracks_deletions { static unsigned deletions; dummy_class_tracks_deletions() { std::cout << __FILE__ << ":" << __LINE__ << boost::this_thread::get_id() << std::endl; } ~dummy_class_tracks_deletions() { ++deletions; std::cout << __FILE__ << ":" << __LINE__ << boost::this_thread::get_id() << std::endl; } }; unsigned dummy_class_tracks_deletions::deletions=0; optional > optr; //struct X //{ // thread_specific_ptr f; //} sptr; void other_thread() { std::cout << __FILE__ << ":" << __LINE__ << boost::this_thread::get_id() << std::endl; optr = none; std::cout << __FILE__ << ":" << __LINE__ << boost::this_thread::get_id() << std::endl; optr = in_place(); std::cout << __FILE__ << ":" << __LINE__ << boost::this_thread::get_id() << std::endl; BOOST_TEST(optr->get() == 0); this_thread::sleep(posix_time::seconds(5)); BOOST_TEST(optr->get() == 0); std::cout << __FILE__ << ":" << __LINE__ << boost::this_thread::get_id() << std::endl; } int main() { std::cout << __FILE__ << ":" << __LINE__ << boost::this_thread::get_id() << std::endl; dummy_class_tracks_deletions * pi = new dummy_class_tracks_deletions; std::cout << __FILE__ << ":" << __LINE__ << boost::this_thread::get_id() << std::endl; optr = in_place(); std::cout << __FILE__ << ":" << __LINE__ << boost::this_thread::get_id() << std::endl; optr->reset(pi); std::cout << __FILE__ << ":" << __LINE__ << boost::this_thread::get_id() << std::endl; BOOST_TEST(optr->get() == pi); thread t1(bind(&other_thread)); this_thread::sleep(posix_time::seconds(5)); std::cout << __FILE__ << ":" << __LINE__ << boost::this_thread::get_id() << std::endl; BOOST_TEST(optr->get() == pi); std::cout << __FILE__ << ":" << __LINE__ << boost::this_thread::get_id() << std::endl; t1.join(); return boost::report_errors(); }