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diff --git a/lib/asio/detail/reactive_descriptor_service.hpp b/lib/asio/detail/reactive_descriptor_service.hpp
deleted file mode 100644
index e866863..0000000
--- a/lib/asio/detail/reactive_descriptor_service.hpp
+++ /dev/null
@@ -1,388 +0,0 @@
-//
-// detail/reactive_descriptor_service.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_REACTIVE_DESCRIPTOR_SERVICE_HPP
-#define ASIO_DETAIL_REACTIVE_DESCRIPTOR_SERVICE_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(ASIO_WINDOWS_RUNTIME) \
-  && !defined(__CYGWIN__)
-
-#include "asio/buffer.hpp"
-#include "asio/io_context.hpp"
-#include "asio/detail/bind_handler.hpp"
-#include "asio/detail/buffer_sequence_adapter.hpp"
-#include "asio/detail/descriptor_ops.hpp"
-#include "asio/detail/descriptor_read_op.hpp"
-#include "asio/detail/descriptor_write_op.hpp"
-#include "asio/detail/fenced_block.hpp"
-#include "asio/detail/memory.hpp"
-#include "asio/detail/noncopyable.hpp"
-#include "asio/detail/reactive_null_buffers_op.hpp"
-#include "asio/detail/reactive_wait_op.hpp"
-#include "asio/detail/reactor.hpp"
-#include "asio/posix/descriptor_base.hpp"
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-namespace detail {
-
-class reactive_descriptor_service :
-  public service_base<reactive_descriptor_service>
-{
-public:
-  // The native type of a descriptor.
-  typedef int native_handle_type;
-
-  // The implementation type of the descriptor.
-  class implementation_type
-    : private asio::detail::noncopyable
-  {
-  public:
-    // Default constructor.
-    implementation_type()
-      : descriptor_(-1),
-        state_(0)
-    {
-    }
-
-  private:
-    // Only this service will have access to the internal values.
-    friend class reactive_descriptor_service;
-
-    // The native descriptor representation.
-    int descriptor_;
-
-    // The current state of the descriptor.
-    descriptor_ops::state_type state_;
-
-    // Per-descriptor data used by the reactor.
-    reactor::per_descriptor_data reactor_data_;
-  };
-
-  // Constructor.
-  ASIO_DECL reactive_descriptor_service(
-      asio::io_context& io_context);
-
-  // Destroy all user-defined handler objects owned by the service.
-  ASIO_DECL void shutdown();
-
-  // Construct a new descriptor implementation.
-  ASIO_DECL void construct(implementation_type& impl);
-
-  // Move-construct a new descriptor implementation.
-  ASIO_DECL void move_construct(implementation_type& impl,
-      implementation_type& other_impl);
-
-  // Move-assign from another descriptor implementation.
-  ASIO_DECL void move_assign(implementation_type& impl,
-      reactive_descriptor_service& other_service,
-      implementation_type& other_impl);
-
-  // Destroy a descriptor implementation.
-  ASIO_DECL void destroy(implementation_type& impl);
-
-  // Assign a native descriptor to a descriptor implementation.
-  ASIO_DECL asio::error_code assign(implementation_type& impl,
-      const native_handle_type& native_descriptor,
-      asio::error_code& ec);
-
-  // Determine whether the descriptor is open.
-  bool is_open(const implementation_type& impl) const
-  {
-    return impl.descriptor_ != -1;
-  }
-
-  // Destroy a descriptor implementation.
-  ASIO_DECL asio::error_code close(implementation_type& impl,
-      asio::error_code& ec);
-
-  // Get the native descriptor representation.
-  native_handle_type native_handle(const implementation_type& impl) const
-  {
-    return impl.descriptor_;
-  }
-
-  // Release ownership of the native descriptor representation.
-  ASIO_DECL native_handle_type release(implementation_type& impl);
-
-  // Cancel all operations associated with the descriptor.
-  ASIO_DECL asio::error_code cancel(implementation_type& impl,
-      asio::error_code& ec);
-
-  // Perform an IO control command on the descriptor.
-  template <typename IO_Control_Command>
-  asio::error_code io_control(implementation_type& impl,
-      IO_Control_Command& command, asio::error_code& ec)
-  {
-    descriptor_ops::ioctl(impl.descriptor_, impl.state_,
-        command.name(), static_cast<ioctl_arg_type*>(command.data()), ec);
-    return ec;
-  }
-
-  // Gets the non-blocking mode of the descriptor.
-  bool non_blocking(const implementation_type& impl) const
-  {
-    return (impl.state_ & descriptor_ops::user_set_non_blocking) != 0;
-  }
-
-  // Sets the non-blocking mode of the descriptor.
-  asio::error_code non_blocking(implementation_type& impl,
-      bool mode, asio::error_code& ec)
-  {
-    descriptor_ops::set_user_non_blocking(
-        impl.descriptor_, impl.state_, mode, ec);
-    return ec;
-  }
-
-  // Gets the non-blocking mode of the native descriptor implementation.
-  bool native_non_blocking(const implementation_type& impl) const
-  {
-    return (impl.state_ & descriptor_ops::internal_non_blocking) != 0;
-  }
-
-  // Sets the non-blocking mode of the native descriptor implementation.
-  asio::error_code native_non_blocking(implementation_type& impl,
-      bool mode, asio::error_code& ec)
-  {
-    descriptor_ops::set_internal_non_blocking(
-        impl.descriptor_, impl.state_, mode, ec);
-    return ec;
-  }
-
-  // Wait for the descriptor to become ready to read, ready to write, or to have
-  // pending error conditions.
-  asio::error_code wait(implementation_type& impl,
-      posix::descriptor_base::wait_type w, asio::error_code& ec)
-  {
-    switch (w)
-    {
-    case posix::descriptor_base::wait_read:
-      descriptor_ops::poll_read(impl.descriptor_, impl.state_, ec);
-      break;
-    case posix::descriptor_base::wait_write:
-      descriptor_ops::poll_write(impl.descriptor_, impl.state_, ec);
-      break;
-    case posix::descriptor_base::wait_error:
-      descriptor_ops::poll_error(impl.descriptor_, impl.state_, ec);
-      break;
-    default:
-      ec = asio::error::invalid_argument;
-      break;
-    }
-
-    return ec;
-  }
-
-  // Asynchronously wait for the descriptor to become ready to read, ready to
-  // write, or to have pending error conditions.
-  template <typename Handler>
-  void async_wait(implementation_type& impl,
-      posix::descriptor_base::wait_type w, Handler& handler)
-  {
-    bool is_continuation =
-      asio_handler_cont_helpers::is_continuation(handler);
-
-    // Allocate and construct an operation to wrap the handler.
-    typedef reactive_wait_op<Handler> op;
-    typename op::ptr p = { asio::detail::addressof(handler),
-      op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(handler);
-
-    ASIO_HANDLER_CREATION((reactor_.context(), *p.p, "descriptor",
-          &impl, impl.descriptor_, "async_wait"));
-
-    int op_type;
-    switch (w)
-    {
-    case posix::descriptor_base::wait_read:
-        op_type = reactor::read_op;
-        break;
-    case posix::descriptor_base::wait_write:
-        op_type = reactor::write_op;
-        break;
-    case posix::descriptor_base::wait_error:
-        op_type = reactor::except_op;
-        break;
-      default:
-        p.p->ec_ = asio::error::invalid_argument;
-        reactor_.post_immediate_completion(p.p, is_continuation);
-        p.v = p.p = 0;
-        return;
-    }
-
-    start_op(impl, op_type, p.p, is_continuation, false, false);
-    p.v = p.p = 0;
-  }
-
-  // Write some data to the descriptor.
-  template <typename ConstBufferSequence>
-  size_t write_some(implementation_type& impl,
-      const ConstBufferSequence& buffers, asio::error_code& ec)
-  {
-    buffer_sequence_adapter<asio::const_buffer,
-        ConstBufferSequence> bufs(buffers);
-
-    return descriptor_ops::sync_write(impl.descriptor_, impl.state_,
-        bufs.buffers(), bufs.count(), bufs.all_empty(), ec);
-  }
-
-  // Wait until data can be written without blocking.
-  size_t write_some(implementation_type& impl,
-      const null_buffers&, asio::error_code& ec)
-  {
-    // Wait for descriptor to become ready.
-    descriptor_ops::poll_write(impl.descriptor_, impl.state_, ec);
-
-    return 0;
-  }
-
-  // Start an asynchronous write. The data being sent must be valid for the
-  // lifetime of the asynchronous operation.
-  template <typename ConstBufferSequence, typename Handler>
-  void async_write_some(implementation_type& impl,
-      const ConstBufferSequence& buffers, Handler& handler)
-  {
-    bool is_continuation =
-      asio_handler_cont_helpers::is_continuation(handler);
-
-    // Allocate and construct an operation to wrap the handler.
-    typedef descriptor_write_op<ConstBufferSequence, Handler> op;
-    typename op::ptr p = { asio::detail::addressof(handler),
-      op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(impl.descriptor_, buffers, handler);
-
-    ASIO_HANDLER_CREATION((reactor_.context(), *p.p, "descriptor",
-          &impl, impl.descriptor_, "async_write_some"));
-
-    start_op(impl, reactor::write_op, p.p, is_continuation, true,
-        buffer_sequence_adapter<asio::const_buffer,
-          ConstBufferSequence>::all_empty(buffers));
-    p.v = p.p = 0;
-  }
-
-  // Start an asynchronous wait until data can be written without blocking.
-  template <typename Handler>
-  void async_write_some(implementation_type& impl,
-      const null_buffers&, Handler& handler)
-  {
-    bool is_continuation =
-      asio_handler_cont_helpers::is_continuation(handler);
-
-    // Allocate and construct an operation to wrap the handler.
-    typedef reactive_null_buffers_op<Handler> op;
-    typename op::ptr p = { asio::detail::addressof(handler),
-      op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(handler);
-
-    ASIO_HANDLER_CREATION((reactor_.context(), *p.p, "descriptor",
-          &impl, impl.descriptor_, "async_write_some(null_buffers)"));
-
-    start_op(impl, reactor::write_op, p.p, is_continuation, false, false);
-    p.v = p.p = 0;
-  }
-
-  // Read some data from the stream. Returns the number of bytes read.
-  template <typename MutableBufferSequence>
-  size_t read_some(implementation_type& impl,
-      const MutableBufferSequence& buffers, asio::error_code& ec)
-  {
-    buffer_sequence_adapter<asio::mutable_buffer,
-        MutableBufferSequence> bufs(buffers);
-
-    return descriptor_ops::sync_read(impl.descriptor_, impl.state_,
-        bufs.buffers(), bufs.count(), bufs.all_empty(), ec);
-  }
-
-  // Wait until data can be read without blocking.
-  size_t read_some(implementation_type& impl,
-      const null_buffers&, asio::error_code& ec)
-  {
-    // Wait for descriptor to become ready.
-    descriptor_ops::poll_read(impl.descriptor_, impl.state_, ec);
-
-    return 0;
-  }
-
-  // Start an asynchronous read. The buffer for the data being read must be
-  // valid for the lifetime of the asynchronous operation.
-  template <typename MutableBufferSequence, typename Handler>
-  void async_read_some(implementation_type& impl,
-      const MutableBufferSequence& buffers, Handler& handler)
-  {
-    bool is_continuation =
-      asio_handler_cont_helpers::is_continuation(handler);
-
-    // Allocate and construct an operation to wrap the handler.
-    typedef descriptor_read_op<MutableBufferSequence, Handler> op;
-    typename op::ptr p = { asio::detail::addressof(handler),
-      op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(impl.descriptor_, buffers, handler);
-
-    ASIO_HANDLER_CREATION((reactor_.context(), *p.p, "descriptor",
-          &impl, impl.descriptor_, "async_read_some"));
-
-    start_op(impl, reactor::read_op, p.p, is_continuation, true,
-        buffer_sequence_adapter<asio::mutable_buffer,
-          MutableBufferSequence>::all_empty(buffers));
-    p.v = p.p = 0;
-  }
-
-  // Wait until data can be read without blocking.
-  template <typename Handler>
-  void async_read_some(implementation_type& impl,
-      const null_buffers&, Handler& handler)
-  {
-    bool is_continuation =
-      asio_handler_cont_helpers::is_continuation(handler);
-
-    // Allocate and construct an operation to wrap the handler.
-    typedef reactive_null_buffers_op<Handler> op;
-    typename op::ptr p = { asio::detail::addressof(handler),
-      op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(handler);
-
-    ASIO_HANDLER_CREATION((reactor_.context(), *p.p, "descriptor",
-          &impl, impl.descriptor_, "async_read_some(null_buffers)"));
-
-    start_op(impl, reactor::read_op, p.p, is_continuation, false, false);
-    p.v = p.p = 0;
-  }
-
-private:
-  // Start the asynchronous operation.
-  ASIO_DECL void start_op(implementation_type& impl, int op_type,
-      reactor_op* op, bool is_continuation, bool is_non_blocking, bool noop);
-
-  // The selector that performs event demultiplexing for the service.
-  reactor& reactor_;
-};
-
-} // namespace detail
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#if defined(ASIO_HEADER_ONLY)
-# include "asio/detail/impl/reactive_descriptor_service.ipp"
-#endif // defined(ASIO_HEADER_ONLY)
-
-#endif // !defined(ASIO_WINDOWS)
-       //   && !defined(ASIO_WINDOWS_RUNTIME)
-       //   && !defined(__CYGWIN__)
-
-#endif // ASIO_DETAIL_REACTIVE_DESCRIPTOR_SERVICE_HPP