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 the documentation for an old version of Boost. Click here to view this page for the latest version.

basic_socket_acceptor::io_control (1 of 2 overloads)

Perform an IO control command on the acceptor.

template<
    typename IoControlCommand>
void io_control(
    IoControlCommand & command);

This function is used to execute an IO control command on the acceptor.

Parameters

command: The IO control command to be performed on the acceptor.

Exceptions

boost::system::system_error: Thrown on failure.

Example

Getting the number of bytes ready to read:

boost::asio::ip::tcp::acceptor acceptor(io_service);
...
boost::asio::ip::tcp::acceptor::non_blocking_io command(true);
socket.io_control(command);