_nscd_doorcall
nss_status_t _nscd_doorcall(int callnum);
ret = _nscd_doorcall(NSCD_KILL);
if (_nscd_doorcall(NSCD_PING) != NSS_SUCCESS) {
will_become_server = (_nscd_doorcall(NSCD_PING) != NSS_SUCCESS);
(void) _nscd_doorcall(NSCD_KILLSERVER);
(void) _nscd_doorcall(NSCD_REFRESH);