static void
time_timespec__(struct clock *c, struct timespec *ts)
{
bool slow_path;
time_init();
atomic_read_relaxed(&c->slow_path, &slow_path);
if (!slow_path) {
xclock_gettime(c->id, ts);
} else {
struct timespec warp;
struct timespec cache;
bool stopped;
ovs_mutex_lock(&c->mutex);
stopped = c->stopped;
warp = c->warp;
cache = c->cache;
ovs_mutex_unlock(&c->mutex);
if (!stopped) {
xclock_gettime(c->id, &cache);
}
timespec_add(ts, &cache, &warp);
}
}
static void *
tf (void *arg)
{
pthread_rwlock_t *r = arg;
/* Timeout: 0.3 secs. */
struct timespec ts_start;
xclock_gettime (CLOCK_REALTIME, &ts_start);
const struct timespec ts_timeout = timespec_add (ts_start,
make_timespec (0, 300000000));
TEST_COMPARE (pthread_rwlock_timedwrlock (r, &ts_timeout), ETIMEDOUT);
puts ("child: timedwrlock failed with ETIMEDOUT");
TEST_TIMESPEC_NOW_OR_AFTER (CLOCK_REALTIME, ts_timeout);
struct timespec ts_invalid;
xclock_gettime (CLOCK_REALTIME, &ts_invalid);
ts_invalid.tv_sec += 10;
/* Note that the following operation makes ts invalid. */
ts_invalid.tv_nsec += 1000000000;
TEST_COMPARE (pthread_rwlock_timedwrlock (r, &ts_invalid), EINVAL);
puts ("child: timedwrlock failed with EINVAL");
return NULL;
}
static void
init_clock(struct clock *c, clockid_t id)
{
memset(c, 0, sizeof *c);
c->id = id;
ovs_mutex_init(&c->mutex);
atomic_init(&c->slow_path, false);
xclock_gettime(c->id, &c->cache);
}
static void
init_clock(struct clock *c, clockid_t id)
{
memset(c, 0, sizeof *c);
c->id = id;
ovs_mutex_init(&c->mutex);
atomic_init(&c->slow_path, false);
xclock_gettime(c->id, &c->cache);
timewarp_seq = seq_create();
memset(&c->large_warp, 0, sizeof(c->large_warp));
}
static int
do_test (void)
{
size_t cnt;
for (cnt = 0; cnt < sizeof (kind) / sizeof (kind[0]); ++cnt)
{
pthread_rwlock_t r;
pthread_rwlockattr_t a;
if (pthread_rwlockattr_init (&a) != 0)
FAIL_EXIT1 ("round %Zu: rwlockattr_t failed\n", cnt);
if (pthread_rwlockattr_setkind_np (&a, kind[cnt]) != 0)
FAIL_EXIT1 ("round %Zu: rwlockattr_setkind failed\n", cnt);
if (pthread_rwlock_init (&r, &a) != 0)
FAIL_EXIT1 ("round %Zu: rwlock_init failed\n", cnt);
if (pthread_rwlockattr_destroy (&a) != 0)
FAIL_EXIT1 ("round %Zu: rwlockattr_destroy failed\n", cnt);
struct timespec ts;
xclock_gettime (CLOCK_REALTIME, &ts);
++ts.tv_sec;
/* Get a read lock. */
if (pthread_rwlock_timedrdlock (&r, &ts) != 0)
FAIL_EXIT1 ("round %Zu: rwlock_timedrdlock failed\n", cnt);
printf ("%zu: got timedrdlock\n", cnt);
pthread_t th;
if (pthread_create (&th, NULL, tf, &r) != 0)
FAIL_EXIT1 ("round %Zu: create failed\n", cnt);
void *status;
if (pthread_join (th, &status) != 0)
FAIL_EXIT1 ("round %Zu: join failed\n", cnt);
if (status != NULL)
FAIL_EXIT1 ("failure in round %Zu\n", cnt);
if (pthread_rwlock_destroy (&r) != 0)
FAIL_EXIT1 ("round %Zu: rwlock_destroy failed\n", cnt);
}
return 0;
}