diff options
Diffstat (limited to 'lib/asio/detail/impl/win_thread.ipp')
-rw-r--r-- | lib/asio/detail/impl/win_thread.ipp | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/lib/asio/detail/impl/win_thread.ipp b/lib/asio/detail/impl/win_thread.ipp deleted file mode 100644 index ed6dbaf..0000000 --- a/lib/asio/detail/impl/win_thread.ipp +++ /dev/null @@ -1,150 +0,0 @@ -// -// detail/impl/win_thread.ipp -// ~~~~~~~~~~~~~~~~~~~~~~~~~~ -// -// 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_IMPL_WIN_THREAD_IPP -#define ASIO_DETAIL_IMPL_WIN_THREAD_IPP - -#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(ASIO_WINDOWS_APP) \ - && !defined(UNDER_CE) - -#include <process.h> -#include "asio/detail/throw_error.hpp" -#include "asio/detail/win_thread.hpp" -#include "asio/error.hpp" - -#include "asio/detail/push_options.hpp" - -namespace asio { -namespace detail { - -win_thread::~win_thread() -{ - ::CloseHandle(thread_); - - // The exit_event_ handle is deliberately allowed to leak here since it - // is an error for the owner of an internal thread not to join() it. -} - -void win_thread::join() -{ - HANDLE handles[2] = { exit_event_, thread_ }; - ::WaitForMultipleObjects(2, handles, FALSE, INFINITE); - ::CloseHandle(exit_event_); - if (terminate_threads()) - { - ::TerminateThread(thread_, 0); - } - else - { - ::QueueUserAPC(apc_function, thread_, 0); - ::WaitForSingleObject(thread_, INFINITE); - } -} - -std::size_t win_thread::hardware_concurrency() -{ - SYSTEM_INFO system_info; - ::GetSystemInfo(&system_info); - return system_info.dwNumberOfProcessors; -} - -void win_thread::start_thread(func_base* arg, unsigned int stack_size) -{ - ::HANDLE entry_event = 0; - arg->entry_event_ = entry_event = ::CreateEventW(0, true, false, 0); - if (!entry_event) - { - DWORD last_error = ::GetLastError(); - delete arg; - asio::error_code ec(last_error, - asio::error::get_system_category()); - asio::detail::throw_error(ec, "thread.entry_event"); - } - - arg->exit_event_ = exit_event_ = ::CreateEventW(0, true, false, 0); - if (!exit_event_) - { - DWORD last_error = ::GetLastError(); - delete arg; - asio::error_code ec(last_error, - asio::error::get_system_category()); - asio::detail::throw_error(ec, "thread.exit_event"); - } - - unsigned int thread_id = 0; - thread_ = reinterpret_cast<HANDLE>(::_beginthreadex(0, - stack_size, win_thread_function, arg, 0, &thread_id)); - if (!thread_) - { - DWORD last_error = ::GetLastError(); - delete arg; - if (entry_event) - ::CloseHandle(entry_event); - if (exit_event_) - ::CloseHandle(exit_event_); - asio::error_code ec(last_error, - asio::error::get_system_category()); - asio::detail::throw_error(ec, "thread"); - } - - if (entry_event) - { - ::WaitForSingleObject(entry_event, INFINITE); - ::CloseHandle(entry_event); - } -} - -unsigned int __stdcall win_thread_function(void* arg) -{ - win_thread::auto_func_base_ptr func = { - static_cast<win_thread::func_base*>(arg) }; - - ::SetEvent(func.ptr->entry_event_); - - func.ptr->run(); - - // Signal that the thread has finished its work, but rather than returning go - // to sleep to put the thread into a well known state. If the thread is being - // joined during global object destruction then it may be killed using - // TerminateThread (to avoid a deadlock in DllMain). Otherwise, the SleepEx - // call will be interrupted using QueueUserAPC and the thread will shut down - // cleanly. - HANDLE exit_event = func.ptr->exit_event_; - delete func.ptr; - func.ptr = 0; - ::SetEvent(exit_event); - ::SleepEx(INFINITE, TRUE); - - return 0; -} - -#if defined(WINVER) && (WINVER < 0x0500) -void __stdcall apc_function(ULONG) {} -#else -void __stdcall apc_function(ULONG_PTR) {} -#endif - -} // namespace detail -} // namespace asio - -#include "asio/detail/pop_options.hpp" - -#endif // defined(ASIO_WINDOWS) - // && !defined(ASIO_WINDOWS_APP) - // && !defined(UNDER_CE) - -#endif // ASIO_DETAIL_IMPL_WIN_THREAD_IPP |