Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

This is an older version of Boost and was released in 2017. The current version is 1.90.0.

io_context::work::get_io_service

io_context::work::get_io_service

(Deprecated: Use get_io_context().) Get the io_context associated with the work.

boost::asio::io_context & get_io_service();