ITIMER_MONOTONIC
CTASSERT(ITIMER_MONOTONIC == CLOCK_MONOTONIC);
CTASSERT(IS_ITIMER(ITIMER_MONOTONIC));
CTASSERT(!IS_POSIX_TIMER(ITIMER_MONOTONIC));
case ITIMER_MONOTONIC:
case ITIMER_MONOTONIC:
RL(setitimer(ITIMER_MONOTONIC, &itv, NULL));
ATF_REQUIRE_EQ(setitimer(ITIMER_MONOTONIC, &timer, NULL), 0);