| // |
| // detail/impl/null_event.ipp |
| // ~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| // |
| // Copyright (c) 2003-2016 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_NULL_EVENT_IPP |
| #define ASIO_DETAIL_IMPL_NULL_EVENT_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_RUNTIME) |
| # include <thread> |
| #elif defined(ASIO_WINDOWS) || defined(__CYGWIN__) |
| # include "asio/detail/socket_types.hpp" |
| #else |
| # include <unistd.h> |
| # if defined(__hpux) |
| # include <sys/time.h> |
| # endif |
| # if !defined(__hpux) || defined(__SELECT) |
| # include <sys/select.h> |
| # endif |
| #endif |
| |
| #include "asio/detail/push_options.hpp" |
| |
| namespace asio { |
| namespace detail { |
| |
| void null_event::do_wait() |
| { |
| #if defined(ASIO_WINDOWS_RUNTIME) |
| std::this_thread::sleep_until(std::chrono::steady_clock::time_point::max()); |
| #elif defined(ASIO_WINDOWS) || defined(__CYGWIN__) |
| ::Sleep(INFINITE); |
| #else |
| ::pause(); |
| #endif |
| } |
| |
| void null_event::do_wait_for_usec(long usec) |
| { |
| #if defined(ASIO_WINDOWS_RUNTIME) |
| std::this_thread::sleep_for(std::chrono::microseconds(usec)); |
| #elif defined(ASIO_WINDOWS) || defined(__CYGWIN__) |
| ::Sleep(usec / 1000); |
| #elif defined(__hpux) && defined(__SELECT) |
| timespec ts; |
| ts.tv_sec = usec / 1000000; |
| ts.tv_nsec = (usec % 1000000) * 1000; |
| ::pselect(0, 0, 0, 0, &ts, 0); |
| #else |
| timeval tv; |
| tv.tv_sec = usec / 1000000; |
| tv.tv_usec = usec % 1000000; |
| ::select(0, 0, 0, 0, &tv); |
| #endif |
| } |
| |
| } // namespace detail |
| } // namespace asio |
| |
| #include "asio/detail/pop_options.hpp" |
| |
| #endif // ASIO_DETAIL_IMPL_NULL_EVENT_IPP |