From e95946831f8ef53d29590735a2df661385edb008 Mon Sep 17 00:00:00 2001
From: "Matthias P. Braendli" <matthias.braendli@mpb.li>
Date: Mon, 6 Aug 2018 10:35:22 +0200
Subject: Replace boost by the standalone asio library

---
 lib/asio/detail/impl/win_iocp_io_context.hpp | 103 +++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 lib/asio/detail/impl/win_iocp_io_context.hpp

(limited to 'lib/asio/detail/impl/win_iocp_io_context.hpp')

diff --git a/lib/asio/detail/impl/win_iocp_io_context.hpp b/lib/asio/detail/impl/win_iocp_io_context.hpp
new file mode 100644
index 0000000..44887d7
--- /dev/null
+++ b/lib/asio/detail/impl/win_iocp_io_context.hpp
@@ -0,0 +1,103 @@
+//
+// detail/impl/win_iocp_io_context.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_IMPL_WIN_IOCP_IO_CONTEXT_HPP
+#define ASIO_DETAIL_IMPL_WIN_IOCP_IO_CONTEXT_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_HAS_IOCP)
+
+#include "asio/detail/completion_handler.hpp"
+#include "asio/detail/fenced_block.hpp"
+#include "asio/detail/handler_alloc_helpers.hpp"
+#include "asio/detail/handler_invoke_helpers.hpp"
+#include "asio/detail/memory.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace detail {
+
+template <typename Time_Traits>
+void win_iocp_io_context::add_timer_queue(
+    timer_queue<Time_Traits>& queue)
+{
+  do_add_timer_queue(queue);
+}
+
+template <typename Time_Traits>
+void win_iocp_io_context::remove_timer_queue(
+    timer_queue<Time_Traits>& queue)
+{
+  do_remove_timer_queue(queue);
+}
+
+template <typename Time_Traits>
+void win_iocp_io_context::schedule_timer(timer_queue<Time_Traits>& queue,
+    const typename Time_Traits::time_type& time,
+    typename timer_queue<Time_Traits>::per_timer_data& timer, wait_op* op)
+{
+  // If the service has been shut down we silently discard the timer.
+  if (::InterlockedExchangeAdd(&shutdown_, 0) != 0)
+  {
+    post_immediate_completion(op, false);
+    return;
+  }
+
+  mutex::scoped_lock lock(dispatch_mutex_);
+
+  bool earliest = queue.enqueue_timer(time, timer, op);
+  work_started();
+  if (earliest)
+    update_timeout();
+}
+
+template <typename Time_Traits>
+std::size_t win_iocp_io_context::cancel_timer(timer_queue<Time_Traits>& queue,
+    typename timer_queue<Time_Traits>::per_timer_data& timer,
+    std::size_t max_cancelled)
+{
+  // If the service has been shut down we silently ignore the cancellation.
+  if (::InterlockedExchangeAdd(&shutdown_, 0) != 0)
+    return 0;
+
+  mutex::scoped_lock lock(dispatch_mutex_);
+  op_queue<win_iocp_operation> ops;
+  std::size_t n = queue.cancel_timer(timer, ops, max_cancelled);
+  post_deferred_completions(ops);
+  return n;
+}
+
+template <typename Time_Traits>
+void win_iocp_io_context::move_timer(timer_queue<Time_Traits>& queue,
+    typename timer_queue<Time_Traits>::per_timer_data& to,
+    typename timer_queue<Time_Traits>::per_timer_data& from)
+{
+  asio::detail::mutex::scoped_lock lock(dispatch_mutex_);
+  op_queue<operation> ops;
+  queue.cancel_timer(to, ops);
+  queue.move_timer(to, from);
+  lock.unlock();
+  post_deferred_completions(ops);
+}
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // defined(ASIO_HAS_IOCP)
+
+#endif // ASIO_DETAIL_IMPL_WIN_IOCP_IO_CONTEXT_HPP
-- 
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