static void
holywrite(const atf_tc_t *tc, const char *mp)
{
char buf[1024];
char *b2, *b3;
size_t therange = getpagesize()+1;
int fd;
FSTEST_ENTER();
RL(fd = rump_sys_open("file", O_RDWR|O_CREAT|O_TRUNC, 0666));
memset(buf, 'A', sizeof(buf));
RL(rump_sys_pwrite(fd, buf, 1, getpagesize()));
memset(buf, 'B', sizeof(buf));
RL(rump_sys_pwrite(fd, buf, 2, getpagesize()-1));
REQUIRE_LIBC(b2 = malloc(2 * getpagesize()), NULL);
REQUIRE_LIBC(b3 = malloc(2 * getpagesize()), NULL);
RL(rump_sys_pread(fd, b2, therange, 0));
memset(b3, 0, therange);
memset(b3 + getpagesize() - 1, 'B', 2);
ATF_REQUIRE_EQ(memcmp(b2, b3, therange), 0);
rump_sys_close(fd);
FSTEST_EXIT();
}
ATF_TC_BODY(clock_gettime_real, tc)
{
char name[128], cbuf[512], ctrbuf[10240];
size_t cbufsiz = sizeof(cbuf);
size_t ctrbufsiz = sizeof(ctrbuf);
const char *p;
char *save;
int quality, n;
if (sysctlbyname(TC_HARDWARE, cbuf, &cbufsiz, NULL, 0) != 0) {
(void)printf("\nChecking legacy time implementation "
"for %d seconds\n", TIMEOUT);
check_timecounter();
return;
/* NOTREACHED */
}
(void)printf("%s = %s\n", TC_HARDWARE, cbuf);
REQUIRE_LIBC(save = strdup(cbuf), NULL);
RL(sysctlbyname(TC_CHOICE, ctrbuf, &ctrbufsiz, NULL, 0));
(void)printf("%s = %s\n", TC_CHOICE, ctrbuf);
for (p = ctrbuf, n = 0; sscanf(p, "%127[^(](q=%d, f=%*u Hz)%*[ ]%n",
name, &quality, &n) == 2; p += n) {
struct timespec ts;
int ret;
if (quality < 0)
continue;
(void)printf("\nChecking %s for %d seconds\n", name, TIMEOUT);
CHECK_LIBC(ret = sysctlbyname(TC_HARDWARE, NULL, 0,
name, strlen(name)), -1);
if (ret == -1)
continue;
/* wait a bit to select new counter in clockinterrupt */
ts.tv_sec = 0;
ts.tv_nsec = 100000000;
(void)nanosleep(&ts, NULL);
check_timecounter();
}
RL(sysctlbyname(TC_HARDWARE, NULL, 0, save, strlen(save)));
}
static void
overwritebody(const atf_tc_t *tc, off_t count, bool dotrunc)
{
char *buf;
int fd;
REQUIRE_LIBC(buf = malloc(count), NULL);
FSTEST_ENTER();
RL(fd = rump_sys_open("testi", O_CREAT | O_RDWR, 0666));
ATF_REQUIRE_EQ(rump_sys_write(fd, buf, count), count);
RL(rump_sys_close(fd));
RL(fd = rump_sys_open("testi", O_RDWR));
if (dotrunc)
RL(rump_sys_ftruncate(fd, 0));
ATF_REQUIRE_EQ(rump_sys_write(fd, buf, count), count);
RL(rump_sys_close(fd));
FSTEST_EXIT();
}
