我在使用 asio::ip::tcp::socket::async_connect 时遇到了 helgrind 错误，同时 io_service::run 在线程池中运行。报告是：
线程 #6 在 0x507bb50 处读取大小为 8 时可能出现的数据竞争
==13316== 在 0xDDF1CC: boost::asio::detail::epoll_reactor::descriptor_state::perform_io(unsigned int) (epoll_reactor.ipp:610)
==13316== by 0xDDF355: boost::asio::detail::epoll_reactor::descriptor_state::do_complete(boost::asio::detail::task_io_service*, boost::asio::detail::task_io_service_operation*, boost ::system::error_code const&, unsigned long) (epoll_reactor.ipp:648)
==13316== by 0xD7CF93: boost::asio::detail::task_io_service_operation::complete(boost::asio::detail::task_io_service&, boost::system::error_code const&, unsigned long) (task_io_service_operation.hpp: 37)
==13316== by 0xE17469: boost::asio::detail::task_io_service::do_run_one(boost::asio::detail::scoped_lock&, boost::asio::detail::task_io_service::thread_info&, boost:: asio::detail::op_queue&, boost::system::error_code const&) (task_io_service.ipp:394)
==13316== by 0xE1713B: boost::asio::detail::task_io_service::run(boost::system::error_code&) (task_io_service.ipp:146)
==13316== by 0xE176FC: boost::asio:: io_service::run() (io_service.ipp:59)
==13316== by 0xF97421: Common::ServiceRunner::ServiceThread() (ServiceRunner.cpp:67) ....
这与线程 #9 先前写入的大小为 8 的冲突
==13316== 在 0xDDE5EF: boost::asio::detail::epoll_reactor::register_descriptor(int, boost::asio::detail::epoll_reactor::descriptor_state*&) (epoll_reactor.ipp:156)
==13316== by 0xE75C34: boost::asio::detail::reactive_socket_service_base::do_open(boost::asio::detail::reactive_socket_service_base::base_implementation_type&, int, int, int, boost::system::error_code&) (reactive_socket_service_base.ipp:152)
==13316== by 0xE7B6E2: boost::asio::detail::reactive_socket_service::open(boost::asio::detail::reactive_socket_service::implementation_type&, boost::asio::ip::tcp const&, boost: :system::error_code&) (reactive_socket_service.hpp:106)
==13316== by 0xE79FF7: boost::asio::stream_socket_service:: open (boost::asio::detail::reactive_socket_service::implementation_type&, boost::asio::ip::tcp const&, boost::system: :error_code&) (stream_socket_service.hpp:127)
==13316== by 0xE78904: void boost::asio::basic_socket >:: async_connect >, boost::_bi::list3 >, boost::arg<1> (*)(), boost::_bi::值 > > > > >(boost::asio::ip::basic_endpoint const&, boost::asio::detail::wrapped_handler >, boost::_bi::list3 >, boost::arg<1> (*) (), boost::_bi::value > > > > const&) (basic_socket.hpp:712) ==13316== by 0xE7376B: Common::Comms::TCPClient::HandleResolve(boost::system::error_code const& , boost::asio::ip::basic_resolver_iterator) (TCPClient.cpp:297)
*我发现 async_connect 不是真正的问题，但是打开一个套接字是，当 io_service::run 运行时。*
在此先感谢您的帮助