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#### socket_base::linger

Socket option to specify whether the socket lingers on close if unsent data is present.

    typedef implementation_defined linger;

Implements the SOL_SOCKET/SO_LINGER socket option.

###### Examples

Setting the option:

    boost::asio::ip::tcp::socket socket(io_service);
    ...
    boost::asio::socket_base::linger option(true, 30);
    socket.set_option(option);

Getting the current option value:

    boost::asio::ip::tcp::socket socket(io_service);
    ...
    boost::asio::socket_base::linger option;
    socket.get_option(option);
    bool is_set = option.enabled();
    unsigned short timeout = option.timeout();