128 lines
2.6 KiB
C++
128 lines
2.6 KiB
C++
//
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// wince_thread.hpp
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// ~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2008 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#ifndef ASIO_DETAIL_WINCE_THREAD_HPP
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#define ASIO_DETAIL_WINCE_THREAD_HPP
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#if defined(_MSC_VER) && (_MSC_VER >= 1200)
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# pragma once
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#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
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#include "asio/detail/push_options.hpp"
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#include "asio/detail/push_options.hpp"
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#include <boost/config.hpp>
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#include "asio/detail/pop_options.hpp"
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#if defined(BOOST_WINDOWS) && defined(UNDER_CE)
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#include "asio/error.hpp"
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#include "asio/system_error.hpp"
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#include "asio/detail/noncopyable.hpp"
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#include "asio/detail/socket_types.hpp"
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#include "asio/detail/push_options.hpp"
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#include <boost/throw_exception.hpp>
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#include <memory>
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#include "asio/detail/pop_options.hpp"
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namespace asio {
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namespace detail {
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DWORD WINAPI wince_thread_function(LPVOID arg);
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class wince_thread
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: private noncopyable
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{
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public:
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// The purpose of the thread.
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enum purpose { internal, external };
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// Constructor.
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template <typename Function>
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wince_thread(Function f, purpose = internal)
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{
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std::auto_ptr<func_base> arg(new func<Function>(f));
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DWORD thread_id = 0;
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thread_ = ::CreateThread(0, 0, wince_thread_function,
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arg.get(), 0, &thread_id);
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if (!thread_)
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{
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DWORD last_error = ::GetLastError();
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asio::system_error e(
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asio::error_code(last_error,
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asio::error::get_system_category()),
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"thread");
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boost::throw_exception(e);
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}
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arg.release();
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}
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// Destructor.
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~wince_thread()
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{
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::CloseHandle(thread_);
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}
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// Wait for the thread to exit.
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void join()
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{
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::WaitForSingleObject(thread_, INFINITE);
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}
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private:
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friend DWORD WINAPI wince_thread_function(LPVOID arg);
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class func_base
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{
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public:
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virtual ~func_base() {}
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virtual void run() = 0;
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};
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template <typename Function>
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class func
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: public func_base
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{
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public:
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func(Function f)
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: f_(f)
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{
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}
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virtual void run()
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{
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f_();
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}
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private:
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Function f_;
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};
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::HANDLE thread_;
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};
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inline DWORD WINAPI wince_thread_function(LPVOID arg)
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{
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std::auto_ptr<wince_thread::func_base> func(
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static_cast<wince_thread::func_base*>(arg));
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func->run();
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return 0;
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}
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} // namespace detail
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} // namespace asio
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#endif // defined(BOOST_WINDOWS) && defined(UNDER_CE)
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#include "asio/detail/pop_options.hpp"
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#endif // ASIO_DETAIL_WINCE_THREAD_HPP
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