class_docstr: EINTR tests for the socket module. 
class_docstr_tok: ["EINTR","tests","for","the","socket","module","."]
code: def test_sendmsg(self):
      self._test_send(lambda sock, data: sock.sendmsg([data]))
  
imports: import contextlib
  import faulthandler
  import fcntl
  import os
  import platform
  import select
  import signal
  import socket
  import subprocess
  import sys
  import time
  import unittest
  from test import support
  from test.support import os_helper
  from test.support import socket_helper
label_desc: Use image node_id 7 for calling the SocketEINTRTest obj's underlying member method code with example usage: obj.test_sendmsg() without return types