69 lines
1.5 KiB
C++
69 lines
1.5 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#include "td/utils/port/detail/EventFdWindows.h"
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char disable_linker_warning_about_empty_file_event_fd_windows_cpp TD_UNUSED;
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#ifdef TD_EVENTFD_WINDOWS
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#include "td/utils/logging.h"
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namespace td {
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namespace detail {
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void EventFdWindows::init() {
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auto handle = CreateEventW(nullptr, true, false, nullptr);
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if (handle == nullptr) {
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auto error = OS_ERROR("CreateEventW failed");
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LOG(FATAL) << error;
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}
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event_ = NativeFd(handle);
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}
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bool EventFdWindows::empty() {
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return !event_;
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}
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void EventFdWindows::close() {
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event_.close();
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}
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Status EventFdWindows::get_pending_error() {
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return Status::OK();
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}
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PollableFdInfo &EventFdWindows::get_poll_info() {
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UNREACHABLE();
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}
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void EventFdWindows::release() {
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if (SetEvent(event_.fd()) == 0) {
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auto error = OS_ERROR("SetEvent failed");
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LOG(FATAL) << error;
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}
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}
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void EventFdWindows::acquire() {
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if (ResetEvent(event_.fd()) == 0) {
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auto error = OS_ERROR("ResetEvent failed");
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LOG(FATAL) << error;
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}
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}
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void EventFdWindows::wait(int timeout_ms) {
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WaitForSingleObject(event_.fd(), timeout_ms);
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if (ResetEvent(event_.fd()) == 0) {
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auto error = OS_ERROR("ResetEvent failed");
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LOG(FATAL) << error;
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}
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}
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} // namespace detail
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} // namespace td
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#endif
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