// // impl/system_context.ipp // ~~~~~~~~~~~~~~~~~~~~~~~ // // Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com) // // 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) // #ifndef BOOST_ASIO_IMPL_SYSTEM_CONTEXT_IPP #define BOOST_ASIO_IMPL_SYSTEM_CONTEXT_IPP #if defined(_MSC_VER) && (_MSC_VER >= 1200) # pragma once #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) #include #include #include namespace lslboost { namespace asio { struct system_context::thread_function { detail::scheduler* scheduler_; void operator()() { lslboost::system::error_code ec; scheduler_->run(ec); } }; system_context::system_context() : scheduler_(use_service(*this)) { scheduler_.work_started(); thread_function f = { &scheduler_ }; std::size_t num_threads = detail::thread::hardware_concurrency() * 2; threads_.create_threads(f, num_threads ? num_threads : 2); } system_context::~system_context() { scheduler_.work_finished(); scheduler_.stop(); threads_.join(); } void system_context::stop() { scheduler_.stop(); } bool system_context::stopped() const BOOST_ASIO_NOEXCEPT { return scheduler_.stopped(); } void system_context::join() { scheduler_.work_finished(); threads_.join(); } } // namespace asio } // namespace lslboost #include #endif // BOOST_ASIO_IMPL_SYSTEM_CONTEXT_IPP