| 50,8 → 50,8 |
|---|
| static uint32_t random(uint32_t max) |
| { |
| uint32_t rc; |
| |
| spinlock_lock(&sem_lock); |
| |
| spinlock_lock(&sem_lock); |
| rc = seed % max; |
| seed = (((seed << 2) ^ (seed >> 2)) * 487) + rc; |
| spinlock_unlock(&sem_lock); |
| 67,21 → 67,21 |
|---|
| waitq_sleep(&can_start); |
| |
| to = random(20000); |
| printf("cpu%u, tid %" PRIu64 " down+ (%d)\n", CPU->id, THREAD->tid, to); |
| TPRINTF("cpu%u, tid %" PRIu64 " down+ (%d)\n", CPU->id, THREAD->tid, to); |
| rc = semaphore_down_timeout(&sem, to); |
| if (SYNCH_FAILED(rc)) { |
| printf("cpu%u, tid %" PRIu64 " down!\n", CPU->id, THREAD->tid); |
| TPRINTF("cpu%u, tid %" PRIu64 " down!\n", CPU->id, THREAD->tid); |
| return; |
| } |
| |
| printf("cpu%u, tid %" PRIu64 " down=\n", CPU->id, THREAD->tid); |
| TPRINTF("cpu%u, tid %" PRIu64 " down=\n", CPU->id, THREAD->tid); |
| thread_usleep(random(30000)); |
| |
| semaphore_up(&sem); |
| printf("cpu%u, tid %" PRIu64 " up\n", CPU->id, THREAD->tid); |
| TPRINTF("cpu%u, tid %" PRIu64 " up\n", CPU->id, THREAD->tid); |
| } |
| |
| char * test_semaphore2(bool quiet) |
| char *test_semaphore2(void) |
| { |
| uint32_t i, k; |
| |
| 91,13 → 91,13 |
|---|
| thread_t *thrd; |
| |
| k = random(7) + 1; |
| printf("Creating %" PRIu32 " consumers\n", k); |
| TPRINTF("Creating %" PRIu32 " consumers\n", k); |
| for (i = 0; i < k; i++) { |
| thrd = thread_create(consumer, NULL, TASK, 0, "consumer", false); |
| if (thrd) |
| thread_ready(thrd); |
| else |
| printf("Error creating thread\n"); |
| TPRINTF("Error creating thread\n"); |
| } |
| |
| thread_usleep(20000); |