boost/asio/detail/wince_thread.hpp

   1 //
   2 // wince_thread.hpp
   3 // ~~~~~~~~~~~~~~~~
   4 //
   5 // Copyright (c) 2003-2008 Christopher M. Kohlhoff (chris at kohlhoff dot com)
   6 //
   7 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   9 //
  10
  11 #ifndef BOOST_ASIO_DETAIL_WINCE_THREAD_HPP
  12 #define BOOST_ASIO_DETAIL_WINCE_THREAD_HPP
  13
  14 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
  15 # pragma once
  16 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
  17
  18 #include <boost/asio/detail/push_options.hpp>
  19
  20 #include <boost/asio/detail/push_options.hpp>
  21 #include <boost/config.hpp>
  22 #include <boost/system/system_error.hpp>
  23 #include <boost/asio/detail/pop_options.hpp>
  24
  25 #if defined(BOOST_WINDOWS) && defined(UNDER_CE)
  26
  27 #include <boost/asio/error.hpp>
  28 #include <boost/asio/detail/noncopyable.hpp>
  29 #include <boost/asio/detail/socket_types.hpp>
  30
  31 #include <boost/asio/detail/push_options.hpp>
  32 #include <boost/throw_exception.hpp>
  33 #include <memory>
  34 #include <boost/asio/detail/pop_options.hpp>
  35
  36 namespace boost {
  37 namespace asio {
  38 namespace detail {
  39
  40 DWORD WINAPI wince_thread_function(LPVOID arg);
  41
  42 class wince_thread
  43   : private noncopyable
  44 {
  45 public:
  46   // Constructor.
  47   template <typename Function>
  48   wince_thread(Function f)
  49   {
  50     std::auto_ptr<func_base> arg(new func<Function>(f));
  51     DWORD thread_id = 0;
  52     thread_ = ::CreateThread(0, 0, wince_thread_function,
  53         arg.get(), 0, &thread_id);
  54     if (!thread_)
  55     {
  56       DWORD last_error = ::GetLastError();
  57       boost::system::system_error e(
  58           boost::system::error_code(last_error,
  59             boost::asio::error::get_system_category()),
  60           "thread");
  61       boost::throw_exception(e);
  62     }
  63     arg.release();
  64   }
  65
  66   // Destructor.
  67   ~wince_thread()
  68   {
  69     ::CloseHandle(thread_);
  70   }
  71
  72   // Wait for the thread to exit.
  73   void join()
  74   {
  75     ::WaitForSingleObject(thread_, INFINITE);
  76   }
  77
  78 private:
  79   friend DWORD WINAPI wince_thread_function(LPVOID arg);
  80
  81   class func_base
  82   {
  83   public:
  84     virtual ~func_base() {}
  85     virtual void run() = 0;
  86   };
  87
  88   template <typename Function>
  89   class func
  90     : public func_base
  91   {
  92   public:
  93     func(Function f)
  94       : f_(f)
  95     {
  96     }
  97
  98     virtual void run()
  99     {
 100       f_();
 101     }
 102
 103   private:
 104     Function f_;
 105   };
 106
 107   ::HANDLE thread_;
 108 };
 109
 110 inline DWORD WINAPI wince_thread_function(LPVOID arg)
 111 {
 112   std::auto_ptr<wince_thread::func_base> func(
 113       static_cast<wince_thread::func_base*>(arg));
 114   func->run();
 115   return 0;
 116 }
 117
 118 } // namespace detail
 119 } // namespace asio
 120 } // namespace boost
 121
 122 #endif // defined(BOOST_WINDOWS) && defined(UNDER_CE)
 123
 124 #include <boost/asio/detail/pop_options.hpp>
 125
 126 #endif // BOOST_ASIO_DETAIL_WINCE_THREAD_HPP