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

A simple cancellation signal propagation filter.

template<
    cancellation_type_t Mask>
struct cancellation_filter

Name	Description
operator()	Returns type & Mask.

Header: boost/asio/cancellation_state.hpp

Convenience header: boost/asio.hpp