Socket option for the receive low watermark.

typedef implementation_defined receive_low_watermark;

Implements the SOL_SOCKET/SO_RCVLOWAT socket option.

Examples

Setting the option:

std::experimental::net::ip::tcp::socket socket(io_context);
...
std::experimental::net::socket_base::receive_low_watermark option(1024);
socket.set_option(option);

Getting the current option value:

std::experimental::net::ip::tcp::socket socket(io_context);
...
std::experimental::net::socket_base::receive_low_watermark option;
socket.get_option(option);
int size = option.value();