EX_TEMPFAIL
_exit(EX_TEMPFAIL);
err(EX_TEMPFAIL, "socketpair");
err(EX_TEMPFAIL, "write");
err(EX_TEMPFAIL, "kqueue");
err(EX_TEMPFAIL, "kevent1");
err(EX_TEMPFAIL, "kevent2");
exit(EX_TEMPFAIL);
errx(EX_TEMPFAIL, "%s: already locked", lockname);
err(EX_TEMPFAIL, "fork");