...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Cancel all asynchronous operations associated with the pipe.
void cancel();
This function causes all outstanding asynchronous read operations to
finish immediately, and the handlers for cancelled operations will be
passed the boost::asio::error::operation_aborted
error.
Thrown on failure.