if (flock(fileno(control_fp), (LOCK_EX | LOCK_NB))) {
lprintf(CTDL_EMERG, "citserver: unable to lock %s.\n", file_citadel_control);
lprintf(CTDL_EMERG, "Is another citserver already running?\n");
if (flock(fileno(control_fp), (LOCK_EX | LOCK_NB))) {
lprintf(CTDL_EMERG, "citserver: unable to lock %s.\n", file_citadel_control);
lprintf(CTDL_EMERG, "Is another citserver already running?\n");