| 279 | } |
| 280 | |
| 281 | void test_orphan_exit(void* /*arg*/) { |
| 282 | klog::Info("=== Orphan Exit Test ==="); |
| 283 | |
| 284 | bool passed = true; |
| 285 | |
| 286 | // 1. 创建孤儿 TCB，验证 parent_pid == 0 被正确存储 |
| 287 | auto* orphan = new TaskControlBlock("Orphan", 10, nullptr, nullptr); |
| 288 | orphan->pid = local_pid_counter.fetch_add(1); |
| 289 | orphan->aux->tgid = orphan->pid; |
| 290 | orphan->aux->parent_pid = 0; // 孤儿进程 |
| 291 | |
| 292 | if (orphan->aux->parent_pid != 0) { |
| 293 | klog::Err("test_orphan_exit: FAIL — parent_pid not stored as 0 (got {})", |
| 294 | orphan->aux->parent_pid); |
| 295 | passed = false; |
| 296 | } |
| 297 | |
| 298 | // 2. 孤儿进程退出时预期进入 kExited 而非 kZombie（无父进程等待回收） |
| 299 | orphan->aux->exit_code = 0; |
| 300 | orphan->fsm.Receive(MsgSchedule{}); // kUnInit -> kReady |
| 301 | orphan->fsm.Receive(MsgSchedule{}); // kReady -> kRunning |
| 302 | orphan->fsm.Receive(MsgExit{0, false}); // kRunning -> kExited (no parent) |
| 303 | if (orphan->GetStatus() != TaskStatus::kExited) { |
| 304 | klog::Err( |
| 305 | "test_orphan_exit: FAIL — orphan status should be kExited " |
| 306 | "(got {})", |
| 307 | static_cast<int>(orphan->GetStatus())); |
| 308 | passed = false; |
| 309 | } |
| 310 | if (orphan->aux->parent_pid != 0) { |
| 311 | klog::Err("test_orphan_exit: FAIL — parent_pid changed unexpectedly"); |
| 312 | passed = false; |
| 313 | } |
| 314 | |
| 315 | // 3. 用实际工作函数验证孤儿任务能正常执行和退出 |
| 316 | std::atomic<int> work_flag{0}; |
| 317 | auto orphan_worker = kstd::make_unique<TaskControlBlock>( |
| 318 | "OrphanWorker", 10, orphan_work, reinterpret_cast<void*>(&work_flag)); |
| 319 | orphan_worker->aux->parent_pid = 0; // 无父进程 |
| 320 | TaskManagerSingleton::instance().AddTask(std::move(orphan_worker)); |
| 321 | |
| 322 | int timeout = 10; |
| 323 | while (timeout > 0 && work_flag.load() == 0) { |
| 324 | (void)sys_sleep(50); |
| 325 | timeout--; |
| 326 | } |
| 327 | |
| 328 | if (work_flag.load() != 1) { |
| 329 | klog::Err("test_orphan_exit: FAIL — orphan worker did not complete"); |
| 330 | passed = false; |
| 331 | } else { |
| 332 | klog::Info("test_orphan_exit: orphan worker completed"); |
| 333 | } |
| 334 | |
| 335 | if (passed) { |
| 336 | klog::Info("Orphan Exit Test: PASSED"); |
| 337 | } else { |
| 338 | klog::Err("Orphan Exit Test: FAILED"); |