Function test_affinity_set_get

tests/system_test/affinity_test.cpp:64–108

// ===========================================================================

void test_affinity_set_get(void* /*arg*/) {
  klog::Info("=== Affinity Set/Get Test ===");

  bool passed = true;

  // Set affinity to CPU 0 only
  uint64_t new_mask = 1UL;
  int ret = sys_sched_setaffinity(0, sizeof(uint64_t), &new_mask);
  if (ret != 0) {
    klog::Err("test_affinity_set_get: setaffinity returned {}, expected 0",
              ret);
    passed = false;
  }

  // Read back and verify
  uint64_t read_mask = 0;
  if (passed) {
    ret = sys_sched_getaffinity(0, sizeof(uint64_t), &read_mask);
    if (ret != 0) {
      klog::Err("test_affinity_set_get: getaffinity returned {}, expected 0",
                ret);
      passed = false;
    }
  }

  if (passed && read_mask != 1UL) {
    klog::Err("test_affinity_set_get: read_mask={:#x}, expected 0x1",
              read_mask);
    passed = false;
  }

  // Restore default affinity
  uint64_t all_mask = UINT64_MAX;
  (void)sys_sched_setaffinity(0, sizeof(uint64_t), &all_mask);

  if (passed) {
    klog::Info("Affinity Set/Get Test: PASSED");
  } else {
    klog::Err("Affinity Set/Get Test: FAILED");
    g_tests_failed++;
  }

  g_tests_completed++;
  sys_exit(passed ? 0 : 1);
}

// ===========================================================================
// test_affinity_other_task