907     def _do_waitpid(self, expected_pid):  argument
987     def _do_waitpid(self, expected_pid):  argument
988         assert expected_pid > 0
991             pid, status = os.waitpid(expected_pid, os.WNOHANG)
995             pid = expected_pid
1008                              expected_pid, returncode)
1206     def _do_waitpid(self, expected_pid):  argument
1207         assert expected_pid > 0
1210             pid, status = os.waitpid(expected_pid, os.WNOHANG)
1214             pid = expected_pid
1240                                  expected_pid, returncode)
1314     def _do_waitpid(self, loop, expected_pid, callback, args):  argument
1315         assert expected_pid > 0
1318             pid, status = os.waitpid(expected_pid, 0)
1322             pid = expected_pid
1331                              expected_pid, returncode)
1338         self._threads.pop(expected_pid)