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- //
- // thread.hpp
- // ~~~~~~~~~~
- //
- // Copyright (c) 2003-2019 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_THREAD_HPP
- #define ASIO_THREAD_HPP
-
- #if defined(_MSC_VER) && (_MSC_VER >= 1200)
- # pragma once
- #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
- #include "asio/detail/config.hpp"
- #include "asio/detail/noncopyable.hpp"
- #include "asio/detail/thread.hpp"
-
- #include "asio/detail/push_options.hpp"
-
- namespace asio {
-
- /// A simple abstraction for starting threads.
- /**
- * The asio::thread class implements the smallest possible subset of the
- * functionality of boost::thread. It is intended to be used only for starting
- * a thread and waiting for it to exit. If more extensive threading
- * capabilities are required, you are strongly advised to use something else.
- *
- * @par Thread Safety
- * @e Distinct @e objects: Safe.@n
- * @e Shared @e objects: Unsafe.
- *
- * @par Example
- * A typical use of asio::thread would be to launch a thread to run an
- * io_context's event processing loop:
- *
- * @par
- * @code asio::io_context io_context;
- * // ...
- * asio::thread t(boost::bind(&asio::io_context::run, &io_context));
- * // ...
- * t.join(); @endcode
- */
- class thread
- : private noncopyable
- {
- public:
- /// Start a new thread that executes the supplied function.
- /**
- * This constructor creates a new thread that will execute the given function
- * or function object.
- *
- * @param f The function or function object to be run in the thread. The
- * function signature must be: @code void f(); @endcode
- */
- template <typename Function>
- explicit thread(Function f)
- : impl_(f)
- {
- }
-
- /// Destructor.
- ~thread()
- {
- }
-
- /// Wait for the thread to exit.
- /**
- * This function will block until the thread has exited.
- *
- * If this function is not called before the thread object is destroyed, the
- * thread itself will continue to run until completion. You will, however,
- * no longer have the ability to wait for it to exit.
- */
- void join()
- {
- impl_.join();
- }
-
- private:
- detail::thread impl_;
- };
-
- } // namespace asio
-
- #include "asio/detail/pop_options.hpp"
-
- #endif // ASIO_THREAD_HPP
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