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; }