dprint(FD_MUTEX, "wait on startup_sem\n");
if (fio_sem_down_timeout(startup_sem, 10000)) {
log_err("fio: job startup hung? exiting.\n");
dprint(FD_MUTEX, "wait on startup_sem\n");
if (fio_sem_down_timeout(startup_sem, 10000)) {
log_err("fio: job startup hung? exiting.\n");