send_global_request (Net::SSH::Connection::Session)

         # File lib/net/ssh/connection/session.rb, line 260
    260:     def send_global_request(type, *extra, &callback)
    261:       info { "sending global request #{type}" }
    262:       msg = Buffer.from(:byte, GLOBAL_REQUEST, :string, type.to_s, :bool, !callback.nil?, *extra)
    263:       send_message(msg)
    264:       pending_requests << callback if callback
    265:       self
    266:     end