// | |
// detail/win_thread.hpp | |
// ~~~~~~~~~~~~~~~~~~~~~ | |
// | |
// Copyright (c) 2003-2011 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 |