Function sleeper_work

tests/system_test/affinity_test.cpp:118–123

std::atomic<Pid> g_sleeper_pid{0};

void sleeper_work(void* /*arg*/) {
  auto* current = TaskManagerSingleton::instance().GetCurrentTask();
  g_sleeper_pid.store(current->pid);
  (void)sys_sleep(5000);
  sys_exit(0);
}

void test_affinity_other_task(void* /*arg*/) {
  klog::Info("=== Affinity Other Task Test ===");