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Diffstat (limited to 'lib/asio/detail/wince_thread.hpp')
-rw-r--r-- | lib/asio/detail/wince_thread.hpp | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/lib/asio/detail/wince_thread.hpp b/lib/asio/detail/wince_thread.hpp new file mode 100644 index 0000000..a2863f6 --- /dev/null +++ b/lib/asio/detail/wince_thread.hpp @@ -0,0 +1,124 @@ +// +// detail/wince_thread.hpp +// ~~~~~~~~~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2018 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_DETAIL_WINCE_THREAD_HPP +#define ASIO_DETAIL_WINCE_THREAD_HPP + +#if defined(_MSC_VER) && (_MSC_VER >= 1200) +# pragma once +#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) + +#include "asio/detail/config.hpp" + +#if defined(ASIO_WINDOWS) && defined(UNDER_CE) + +#include "asio/detail/noncopyable.hpp" +#include "asio/detail/scoped_ptr.hpp" +#include "asio/detail/socket_types.hpp" +#include "asio/detail/throw_error.hpp" +#include "asio/error.hpp" + +#include "asio/detail/push_options.hpp" + +namespace asio { +namespace detail { + +DWORD WINAPI wince_thread_function(LPVOID arg); + +class wince_thread + : private noncopyable +{ +public: + // Constructor. + template <typename Function> + wince_thread(Function f, unsigned int = 0) + { + scoped_ptr<func_base> arg(new func<Function>(f)); + DWORD thread_id = 0; + thread_ = ::CreateThread(0, 0, wince_thread_function, + arg.get(), 0, &thread_id); + if (!thread_) + { + DWORD last_error = ::GetLastError(); + asio::error_code ec(last_error, + asio::error::get_system_category()); + asio::detail::throw_error(ec, "thread"); + } + arg.release(); + } + + // Destructor. + ~wince_thread() + { + ::CloseHandle(thread_); + } + + // Wait for the thread to exit. + void join() + { + ::WaitForSingleObject(thread_, INFINITE); + } + + // Get number of CPUs. + static std::size_t hardware_concurrency() + { + SYSTEM_INFO system_info; + ::GetSystemInfo(&system_info); + return system_info.dwNumberOfProcessors; + } + +private: + friend DWORD WINAPI wince_thread_function(LPVOID arg); + + class func_base + { + public: + virtual ~func_base() {} + virtual void run() = 0; + }; + + template <typename Function> + class func + : public func_base + { + public: + func(Function f) + : f_(f) + { + } + + virtual void run() + { + f_(); + } + + private: + Function f_; + }; + + ::HANDLE thread_; +}; + +inline DWORD WINAPI wince_thread_function(LPVOID arg) +{ + scoped_ptr<wince_thread::func_base> func( + static_cast<wince_thread::func_base*>(arg)); + func->run(); + return 0; +} + +} // namespace detail +} // namespace asio + +#include "asio/detail/pop_options.hpp" + +#endif // defined(ASIO_WINDOWS) && defined(UNDER_CE) + +#endif // ASIO_DETAIL_WINCE_THREAD_HPP |