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libuv/test/test-thread.c  view on Meta::CPAN

  struct fs_req* req = container_of(handle, struct fs_req, handle);

  uv_fs_req_cleanup(handle);

  if (--req->counter)
    fs_do(req);
}


static void do_work(void* arg) {
  struct getaddrinfo_req getaddrinfo_reqs[4];
  struct fs_req fs_reqs[4];
  uv_loop_t loop;
  size_t i;
  struct test_thread* thread = arg;

  ASSERT(0 == uv_loop_init(&loop));

  for (i = 0; i < ARRAY_SIZE(getaddrinfo_reqs); i++) {
    struct getaddrinfo_req* req = getaddrinfo_reqs + i;
    req->counter = 4;
    req->loop = &loop;
    getaddrinfo_do(req);
  }

  for (i = 0; i < ARRAY_SIZE(fs_reqs); i++) {
    struct fs_req* req = fs_reqs + i;
    req->counter = 4;
    req->loop = &loop;
    fs_do(req);
  }

  ASSERT(0 == uv_run(&loop, UV_RUN_DEFAULT));
  ASSERT(0 == uv_loop_close(&loop));
  thread->thread_called = 1;
}


static void thread_entry(void* arg) {
  ASSERT(arg == (void *) 42);
  thread_called++;
}


TEST_IMPL(thread_create) {
  uv_thread_t tid;
  int r;

  r = uv_thread_create(&tid, thread_entry, (void *) 42);
  ASSERT(r == 0);

  r = uv_thread_join(&tid);
  ASSERT(r == 0);

  ASSERT(thread_called == 1);

  return 0;
}


/* Hilariously bad test name. Run a lot of tasks in the thread pool and verify
 * that each "finished" callback is run in its originating thread.
 */
TEST_IMPL(threadpool_multiple_event_loops) {
  struct test_thread threads[8];
  size_t i;
  int r;

  memset(threads, 0, sizeof(threads));

  for (i = 0; i < ARRAY_SIZE(threads); i++) {
    r = uv_thread_create(&threads[i].thread_id, do_work, &threads[i]);
    ASSERT(r == 0);
  }

  for (i = 0; i < ARRAY_SIZE(threads); i++) {
    r = uv_thread_join(&threads[i].thread_id);
    ASSERT(r == 0);
    ASSERT(threads[i].thread_called == 1);
  }

  return 0;
}


static void tls_thread(void* arg) {
  ASSERT(NULL == uv_key_get(&tls_key));
  uv_key_set(&tls_key, arg);
  ASSERT(arg == uv_key_get(&tls_key));
  uv_key_set(&tls_key, NULL);
  ASSERT(NULL == uv_key_get(&tls_key));
}


TEST_IMPL(thread_local_storage) {
  char name[] = "main";
  uv_thread_t threads[2];
  ASSERT(0 == uv_key_create(&tls_key));
  ASSERT(NULL == uv_key_get(&tls_key));
  uv_key_set(&tls_key, name);
  ASSERT(name == uv_key_get(&tls_key));
  ASSERT(0 == uv_thread_create(threads + 0, tls_thread, threads + 0));
  ASSERT(0 == uv_thread_create(threads + 1, tls_thread, threads + 1));
  ASSERT(0 == uv_thread_join(threads + 0));
  ASSERT(0 == uv_thread_join(threads + 1));
  uv_key_delete(&tls_key);
  return 0;
}


static void thread_check_stack(void* arg) {
#if defined(__APPLE__)
  size_t expected;
  expected = arg == NULL ? 0 : ((uv_thread_options_t*)arg)->stack_size;
  /* 512 kB is the default stack size of threads other than the main thread
   * on MacOS. */
  if (expected == 0)
    expected = 512 * 1024;
  ASSERT(pthread_get_stacksize_np(pthread_self()) >= expected);
#elif defined(__linux__) && defined(__GLIBC__)
  size_t expected;