Function test_thread_group_basic

tests/system_test/thread_group_test.cpp:52–118

* @brief 测试线程组的基本功能 */

 * @brief 测试线程组的基本功能
 */
void test_thread_group_basic(void* /*arg*/) {
  klog::Info("=== Thread Group Basic Test ===");

  g_thread_counter = 0;
  g_thread_completed = 0;

  auto leader_holder = kstd::make_unique<TaskControlBlock>(
      "ThreadGroupLeader", 10, nullptr, nullptr);
  auto* leader = leader_holder.get();
  leader->pid = g_local_pid_counter.fetch_add(1);
  leader->aux->tgid = leader->pid;

  // 创建并加入线程组的线程
  auto thread1 = kstd::make_unique<TaskControlBlock>(
      "Thread1", 10, thread_increment, reinterpret_cast<void*>(1));
  auto* thread1_raw = thread1.get();
  thread1->JoinThreadGroup(leader);

  auto thread2 = kstd::make_unique<TaskControlBlock>(
      "Thread2", 10, thread_increment, reinterpret_cast<void*>(2));
  auto* thread2_raw = thread2.get();
  thread2->JoinThreadGroup(leader);

  auto thread3 = kstd::make_unique<TaskControlBlock>(
      "Thread3", 10, thread_increment, reinterpret_cast<void*>(3));
  auto* thread3_raw = thread3.get();
  thread3->JoinThreadGroup(leader);

  // 验证线程组大小
  size_t group_size = leader->GetThreadGroupSize();
  klog::Info("Thread group size: {} (expected 4)", group_size);

  // 验证所有线程在同一线程组
  if (leader->InSameThreadGroup(thread1.get()) &&
      leader->InSameThreadGroup(thread2.get()) &&
      leader->InSameThreadGroup(thread3.get())) {
    klog::Info("All threads are in the same thread group: PASS");
  } else {
    klog::Err("Thread group membership check failed: FAIL");
  }

  // 添加到调度器
  auto& task_mgr = TaskManagerSingleton::instance();
  task_mgr.AddTask(std::move(thread1));
  task_mgr.AddTask(std::move(thread2));
  task_mgr.AddTask(std::move(thread3));

  // 等待线程完成
  for (int i = 0; i < 200 && g_thread_completed < 3; ++i) {
    (void)sys_sleep(50);
  }

  klog::Info("Thread completed count: {} (expected 3)",
             g_thread_completed.load());
  klog::Info("Final counter value: {} (expected 30)", g_thread_counter.load());

  bool passed = (g_thread_completed == 3 && g_thread_counter >= 30);
  if (passed) {