1134         _cleanup_close_pair_ int pair[2] = { -1, -1 };  in openpt_allocate_in_namespace()  local
1144         if (socketpair(AF_UNIX, SOCK_DGRAM, 0, pair) < 0)  in openpt_allocate_in_namespace()
1152                 pair[0] = safe_close(pair[0]);  in openpt_allocate_in_namespace()
1158                 if (send_one_fd(pair[1], fd, 0) < 0)  in openpt_allocate_in_namespace()
1164         pair[1] = safe_close(pair[1]);  in openpt_allocate_in_namespace()
1172         fd = receive_one_fd(pair[0], 0);  in openpt_allocate_in_namespace()
1187         _cleanup_close_pair_ int pair[2] = { -1, -1 };  in open_terminal_in_namespace()  local
1195         if (socketpair(AF_UNIX, SOCK_DGRAM, 0, pair) < 0)  in open_terminal_in_namespace()
1205                 pair[0] = safe_close(pair[0]);  in open_terminal_in_namespace()
1211                 if (send_one_fd(pair[1], master, 0) < 0)  in open_terminal_in_namespace()
1217         pair[1] = safe_close(pair[1]);  in open_terminal_in_namespace()
1225         return receive_one_fd(pair[0], 0);  in open_terminal_in_namespace()