1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Copyright (c) 2016 Cyril Hrubis <chrubis@suse.cz>
4 */
5 /*
6  * This is basic test for pselect() returning without error.
7  */
8#include <stdio.h>
9#include <fcntl.h>
10#include <sys/select.h>
11#include <sys/time.h>
12#include <sys/types.h>
13#include <time.h>
14#include <unistd.h>
15#include <errno.h>
16
17#include "tst_test.h"
18
19static int fd;
20
21static void verify_pselect(void)
22{
23	fd_set readfds;
24	struct timespec tv = {0};
25
26	FD_ZERO(&readfds);
27	FD_SET(fd, &readfds);
28
29	TEST(pselect(fd, &readfds, 0, 0, &tv, NULL));
30	if (TST_RET >= 0)
31		tst_res(TPASS, "pselect() succeeded retval=%li", TST_RET);
32	else
33		tst_res(TFAIL | TTERRNO, "pselect() failed unexpectedly");
34}
35
36static void setup(void)
37{
38	fd = SAFE_OPEN("pselect03_file", O_CREAT | O_RDWR, 0777);
39}
40
41static void cleanup(void)
42{
43	if (fd > 0)
44		SAFE_CLOSE(fd);
45}
46
47static struct tst_test test = {
48	.needs_tmpdir = 1,
49	.setup = setup,
50	.cleanup = cleanup,
51	.test_all = verify_pselect,
52};
53