Function test_interrupt

dpdk/app/test/test_interrupts.c:426–595

* Main function of testing interrupt. */

 * Main function of testing interrupt.
 */
static int
test_interrupt(void)
{
	int ret = -1;
	struct rte_intr_handle *test_intr_handle;

	if (RTE_EXEC_ENV_IS_WINDOWS)
		return TEST_SKIPPED;

	if (test_interrupt_init() < 0) {
		printf("fail to initialize for testing interrupt\n");
		goto out;
	}

	printf("Check unknown valid interrupt full path\n");
	if (test_interrupt_full_path_check(TEST_INTERRUPT_HANDLE_VALID) < 0) {
		printf("failure occurred during checking unknown valid "
						"interrupt full path\n");
		goto out;
	}

	printf("Check valid UIO interrupt full path\n");
	if (test_interrupt_full_path_check(TEST_INTERRUPT_HANDLE_VALID_UIO)
									< 0) {
		printf("failure occurred during checking valid UIO interrupt "
								"full path\n");
		goto out;
	}

	printf("Check valid device event interrupt full path\n");
	if (test_interrupt_full_path_check(
		TEST_INTERRUPT_HANDLE_VALID_DEV_EVENT) < 0) {
		printf("failure occurred during checking valid device event "
						"interrupt full path\n");
		goto out;
	}

	printf("Check valid alarm interrupt full path\n");
	if (test_interrupt_full_path_check(
		TEST_INTERRUPT_HANDLE_VALID_ALARM) < 0) {
		printf("failure occurred during checking valid alarm "
						"interrupt full path\n");
		goto out;
	}

	printf("start register/unregister test\n");
	/* check if it will fail to register cb with intr_handle = NULL */
	if (rte_intr_callback_register(NULL, test_interrupt_callback,
							NULL) == 0) {
		printf("unexpectedly register successfully with null "
			"intr_handle\n");
		goto out;
	}

	/* check if it will fail to register cb with invalid intr_handle */
	test_intr_handle = intr_handles[TEST_INTERRUPT_HANDLE_INVALID];
	if (rte_intr_callback_register(test_intr_handle,
			test_interrupt_callback, test_intr_handle) == 0) {