7235     int master_fd = -1, slave_fd = -1;  in os_openpty_impl()  local
7247     if (openpty(&master_fd, &slave_fd, NULL, NULL, NULL) != 0)  in os_openpty_impl()
7252     if (_Py_set_inheritable(slave_fd, 0, NULL) < 0)  in os_openpty_impl()
7262     slave_fd = _Py_open(slave_name, O_RDWR);  in os_openpty_impl()
7263     if (slave_fd < 0)  in os_openpty_impl()
7291     slave_fd = _Py_open(slave_name, O_RDWR | O_NOCTTY); /* open slave */  in os_openpty_impl()
7292     if (slave_fd == -1)  in os_openpty_impl()
7299     ioctl(slave_fd, I_PUSH, "ptem"); /* push ptem */  in os_openpty_impl()
7300     ioctl(slave_fd, I_PUSH, "ldterm"); /* push ldterm */  in os_openpty_impl()
7302     ioctl(slave_fd, I_PUSH, "ttcompat"); /* push ttcompat */  in os_openpty_impl()
7307     return Py_BuildValue("(ii)", master_fd, slave_fd);  in os_openpty_impl()
7314     if (slave_fd != -1)  in os_openpty_impl()
7315         close(slave_fd);  in os_openpty_impl()