// detail/reactor_op.hpp
// ~~~~~~~~~~~~~~~~~~~~~
//
-// Copyright (c) 2003-2020 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2022 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)
// The error code to be passed to the completion handler.
boost::system::error_code ec_;
+ // The operation key used for targeted cancellation.
+ void* cancellation_key_;
+
// The number of bytes transferred, to be passed to the completion handler.
std::size_t bytes_transferred_;
perform_func_type perform_func, func_type complete_func)
: operation(complete_func),
ec_(success_ec),
+ cancellation_key_(0),
bytes_transferred_(0),
perform_func_(perform_func)
{