EPOLL_CTL_DEL
if (SCARG(uap, op) != EPOLL_CTL_DEL) {
if (SCARG(uap, op) != EPOLL_CTL_DEL) {
if (op != EPOLL_CTL_DEL) {
case EPOLL_CTL_DEL:
if (SCARG(uap, op) != EPOLL_CTL_DEL) {
ATF_REQUIRE_EQ_MSG(epoll_ctl(epfd, EPOLL_CTL_DEL, fd, NULL), -1,