| // |
| // detail/win_thread.hpp |
| // ~~~~~~~~~~~~~~~~~~~~~ |
| // |
| // Copyright (c) 2003-2010 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_DETAIL_WIN_THREAD_HPP |
| #define BOOST_ASIO_DETAIL_WIN_THREAD_HPP |
| |
| #if defined(_MSC_VER) && (_MSC_VER >= 1200) |
| # pragma once |
| #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) |
| |
| #include <boost/asio/detail/config.hpp> |
| |
| #if defined(BOOST_WINDOWS) && !defined(UNDER_CE) |
| |
| #include <boost/asio/detail/noncopyable.hpp> |
| #include <boost/asio/detail/socket_types.hpp> |
| |
| #include <boost/asio/detail/push_options.hpp> |
| |
| namespace boost { |
| namespace asio { |
| namespace detail { |
| |
| BOOST_ASIO_DECL unsigned int __stdcall win_thread_function(void* arg); |
| |
| #if defined(WINVER) && (WINVER < 0x0500) |
| BOOST_ASIO_DECL void __stdcall apc_function(ULONG data); |
| #else |
| BOOST_ASIO_DECL void __stdcall apc_function(ULONG_PTR data); |
| #endif |
| |
| template <typename T> |
| class win_thread_base |
| { |
| public: |
| static bool terminate_threads() |
| { |
| return ::InterlockedExchangeAdd(&terminate_threads_, 0) != 0; |
| } |
| |
| static void set_terminate_threads(bool b) |
| { |
| ::InterlockedExchange(&terminate_threads_, b ? 1 : 0); |
| } |
| |
| private: |
| static long terminate_threads_; |
| }; |
| |
| template <typename T> |
| long win_thread_base<T>::terminate_threads_ = 0; |
| |
| class win_thread |
| : private noncopyable, |
| public win_thread_base<win_thread> |
| { |
| public: |
| // Constructor. |
| template <typename Function> |
| win_thread(Function f, unsigned int stack_size = 0) |
| : thread_(0), |
| exit_event_(0) |
| { |
| start_thread(new func<Function>(f), stack_size); |
| } |
| |
| // Destructor. |
| BOOST_ASIO_DECL ~win_thread(); |
| |
| // Wait for the thread to exit. |
| BOOST_ASIO_DECL void join(); |
| |
| private: |
| friend BOOST_ASIO_DECL unsigned int __stdcall win_thread_function(void* arg); |
| |
| #if defined(WINVER) && (WINVER < 0x0500) |
| friend BOOST_ASIO_DECL void __stdcall apc_function(ULONG); |
| #else |
| friend BOOST_ASIO_DECL void __stdcall apc_function(ULONG_PTR); |
| #endif |
| |
| class func_base |
| { |
| public: |
| virtual ~func_base() {} |
| virtual void run() = 0; |
| ::HANDLE entry_event_; |
| ::HANDLE exit_event_; |
| }; |
| |
| struct auto_func_base_ptr |
| { |
| func_base* ptr; |
| ~auto_func_base_ptr() { delete ptr; } |
| }; |
| |
| template <typename Function> |
| class func |
| : public func_base |
| { |
| public: |
| func(Function f) |
| : f_(f) |
| { |
| } |
| |
| virtual void run() |
| { |
| f_(); |
| } |
| |
| private: |
| Function f_; |
| }; |
| |
| BOOST_ASIO_DECL void start_thread(func_base* arg, unsigned int stack_size); |
| |
| ::HANDLE thread_; |
| ::HANDLE exit_event_; |
| }; |
| |
| } // namespace detail |
| } // namespace asio |
| } // namespace boost |
| |
| #include <boost/asio/detail/pop_options.hpp> |
| |
| #if defined(BOOST_ASIO_HEADER_ONLY) |
| # include <boost/asio/detail/impl/win_thread.ipp> |
| #endif // defined(BOOST_ASIO_HEADER_ONLY) |
| |
| #endif // defined(BOOST_WINDOWS) && !defined(UNDER_CE) |
| |
| #endif // BOOST_ASIO_DETAIL_WIN_THREAD_HPP |