xref: /aosp_15_r20/external/ltp/testcases/kernel/syscalls/epoll_create1/epoll_create1_02.c (revision 49cdfc7efb34551c7342be41a7384b9c40d7cab7)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Copyright (c) Huawei Technologies Co., Ltd. 2021. All rights reserved.
4  * Author: Xie Ziyao <[email protected]>
5  */
6 
7 /*\
8  * [Description]
9  *
10  * Verify that epoll_create1 returns -1 and set errno to EINVAL with an invalid
11  * value specified in flags.
12  */
13 
14 #include <sys/epoll.h>
15 
16 #include "tst_test.h"
17 #include "lapi/epoll.h"
18 #include "lapi/syscalls.h"
19 
20 static struct test_case_t {
21 	int flags;
22 	int exp_err;
23 	const char *desc;
24 } tc[] = {
25 	{-1, EINVAL, "-1"},
26 	{EPOLL_CLOEXEC + 1, EINVAL, "EPOLL_CLOEXEC+1"}
27 };
28 
run(unsigned int n)29 static void run(unsigned int n)
30 {
31 	TST_EXP_FAIL(tst_syscall(__NR_epoll_create1, tc[n].flags),
32 		     tc[n].exp_err, "epoll_create1(%s)", tc[n].desc);
33 }
34 
35 static struct tst_test test = {
36 	.tcnt = ARRAY_SIZE(tc),
37 	.test = run,
38 };
39