| // |
| // detail/std_thread.hpp |
| // ~~~~~~~~~~~~~~~~~~~~~ |
| // |
| // Copyright (c) 2003-2015 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 ASIO_DETAIL_STD_THREAD_HPP |
| #define ASIO_DETAIL_STD_THREAD_HPP |
| |
| #if defined(_MSC_VER) && (_MSC_VER >= 1200) |
| # pragma once |
| #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) |
| |
| #include "asio/detail/config.hpp" |
| |
| #if defined(ASIO_HAS_STD_THREAD) |
| |
| #include <thread> |
| #include "asio/detail/noncopyable.hpp" |
| |
| #include "asio/detail/push_options.hpp" |
| |
| namespace asio { |
| namespace detail { |
| |
| class std_thread |
| : private noncopyable |
| { |
| public: |
| // Constructor. |
| template <typename Function> |
| std_thread(Function f, unsigned int = 0) |
| : thread_(f) |
| { |
| } |
| |
| // Destructor. |
| ~std_thread() |
| { |
| join(); |
| } |
| |
| // Wait for the thread to exit. |
| void join() |
| { |
| if (thread_.joinable()) |
| thread_.join(); |
| } |
| |
| // Get number of CPUs. |
| static std::size_t hardware_concurrency() |
| { |
| return std::thread::hardware_concurrency(); |
| } |
| |
| private: |
| std::thread thread_; |
| }; |
| |
| } // namespace detail |
| } // namespace asio |
| |
| #include "asio/detail/pop_options.hpp" |
| |
| #endif // defined(ASIO_HAS_STD_THREAD) |
| |
| #endif // ASIO_DETAIL_STD_THREAD_HPP |