KCOV_IOC_ENABLE
case KCOV_IOC_ENABLE:
ATF_CHECK(ioctl(fd, KCOV_IOC_ENABLE, &mode) == 0);
ATF_CHECK(ioctl(fd, KCOV_IOC_ENABLE, &mode) == -1);
ATF_CHECK(ioctl(fd, KCOV_IOC_ENABLE, &mode) == 0);
ATF_CHECK(ioctl(fd, KCOV_IOC_ENABLE, &mode) == -1);
ATF_CHECK(ioctl(fd, KCOV_IOC_ENABLE, &mode) == 0);
ATF_CHECK(ioctl(fd, KCOV_IOC_ENABLE, &mode) == 0);
ATF_CHECK(ioctl(fd, KCOV_IOC_ENABLE, &mode) == 0);
ATF_CHECK(ioctl(fd, KCOV_IOC_ENABLE, &mode) == 0);
ATF_CHECK(ioctl(fd, KCOV_IOC_ENABLE, &mode) == 0);
ATF_REQUIRE_MSG(ioctl(fd, KCOV_IOC_ENABLE, &mode) == 0,
ATF_REQUIRE_MSG(ioctl(fd1, KCOV_IOC_ENABLE, &mode) == 0,
ATF_REQUIRE_ERRNO(EBUSY, ioctl(fd2, KCOV_IOC_ENABLE, &mode) != 0);
ATF_REQUIRE_MSG(ioctl(fd, KCOV_IOC_ENABLE, &mode) == 0,
ATF_REQUIRE_MSG(ioctl(fd, KCOV_IOC_ENABLE, &mode) == 0,
ATF_REQUIRE_MSG(ioctl(fd, KCOV_IOC_ENABLE, &mode) == 0,