class Excon::Connection

def sockets
  @_excon_sockets ||= {}
  @_excon_sockets.compare_by_identity
  if @pid != Process.pid
    @_excon_sockets.clear # GC will take care of closing sockets
    @pid = Process.pid
  end
  if @data[:thread_safe_sockets]
    # In a multi-threaded world, if the same connection is used by multiple
    # threads at the same time to connect to the same destination, they may
    # stomp on each other's sockets.  This ensures every thread gets their
    # own socket cache, within the context of a single connection.
    @_excon_sockets[Thread.current] ||= {}
  else
    @_excon_sockets
  end
end