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instance method

Addrinfo#listen

(::Integer backlog) -> void

listen(backlog=Socket::SOMAXCONN) { |sock| ... }

ext/socket/lib/socket.rb View on GitHub ↗

# File tmp/rubies/ruby-4.1.0-preview1/ext/socket/lib/socket.rb, line 212
def listen(backlog=Socket::SOMAXCONN)
  sock = Socket.new(self.pfamily, self.socktype, self.protocol)
  begin
    sock.ipv6only! if self.ipv6?
    sock.setsockopt(:SOCKET, :REUSEADDR, 1) unless self.pfamily == Socket::PF_UNIX
    sock.bind(self)
    sock.listen(backlog)
  rescue Exception
    sock.close
    raise
  end
  if block_given?
    begin
      yield sock
    ensure
      sock.close
    end
  else
    sock
  end
end

creates a listening socket bound to self.

See also #ipv6_v4mapped? #pfamily #ipv6_v4compat? #protocol also in 4.0 · 3.4 · 3.3 · 3.2 · 3.1 · 3.0

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