...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Close the acceptor.
void close();
This function is used to close the acceptor. Any asynchronous accept operations will be cancelled immediately.
A subsequent call to open() is required before the acceptor can again be used to again perform socket accept operations.
Thrown on failure.