1f08c3bdfSopenharmony_ci// SPDX-License-Identifier: GPL-2.0-or-later
2f08c3bdfSopenharmony_ci/*
3f08c3bdfSopenharmony_ci * Copyright (c) 2016 Cyril Hrubis <chrubis@suse.cz>
4f08c3bdfSopenharmony_ci */
5f08c3bdfSopenharmony_ci /*
6f08c3bdfSopenharmony_ci  * This is basic test for pselect() returning without error.
7f08c3bdfSopenharmony_ci  */
8f08c3bdfSopenharmony_ci#include <stdio.h>
9f08c3bdfSopenharmony_ci#include <fcntl.h>
10f08c3bdfSopenharmony_ci#include <sys/select.h>
11f08c3bdfSopenharmony_ci#include <sys/time.h>
12f08c3bdfSopenharmony_ci#include <sys/types.h>
13f08c3bdfSopenharmony_ci#include <time.h>
14f08c3bdfSopenharmony_ci#include <unistd.h>
15f08c3bdfSopenharmony_ci#include <errno.h>
16f08c3bdfSopenharmony_ci
17f08c3bdfSopenharmony_ci#include "tst_test.h"
18f08c3bdfSopenharmony_ci
19f08c3bdfSopenharmony_cistatic int fd;
20f08c3bdfSopenharmony_ci
21f08c3bdfSopenharmony_cistatic void verify_pselect(void)
22f08c3bdfSopenharmony_ci{
23f08c3bdfSopenharmony_ci	fd_set readfds;
24f08c3bdfSopenharmony_ci	struct timespec tv = {0};
25f08c3bdfSopenharmony_ci
26f08c3bdfSopenharmony_ci	FD_ZERO(&readfds);
27f08c3bdfSopenharmony_ci	FD_SET(fd, &readfds);
28f08c3bdfSopenharmony_ci
29f08c3bdfSopenharmony_ci	TEST(pselect(fd, &readfds, 0, 0, &tv, NULL));
30f08c3bdfSopenharmony_ci	if (TST_RET >= 0)
31f08c3bdfSopenharmony_ci		tst_res(TPASS, "pselect() succeeded retval=%li", TST_RET);
32f08c3bdfSopenharmony_ci	else
33f08c3bdfSopenharmony_ci		tst_res(TFAIL | TTERRNO, "pselect() failed unexpectedly");
34f08c3bdfSopenharmony_ci}
35f08c3bdfSopenharmony_ci
36f08c3bdfSopenharmony_cistatic void setup(void)
37f08c3bdfSopenharmony_ci{
38f08c3bdfSopenharmony_ci	fd = SAFE_OPEN("pselect03_file", O_CREAT | O_RDWR, 0777);
39f08c3bdfSopenharmony_ci}
40f08c3bdfSopenharmony_ci
41f08c3bdfSopenharmony_cistatic void cleanup(void)
42f08c3bdfSopenharmony_ci{
43f08c3bdfSopenharmony_ci	if (fd > 0)
44f08c3bdfSopenharmony_ci		SAFE_CLOSE(fd);
45f08c3bdfSopenharmony_ci}
46f08c3bdfSopenharmony_ci
47f08c3bdfSopenharmony_cistatic struct tst_test test = {
48f08c3bdfSopenharmony_ci	.needs_tmpdir = 1,
49f08c3bdfSopenharmony_ci	.setup = setup,
50f08c3bdfSopenharmony_ci	.cleanup = cleanup,
51f08c3bdfSopenharmony_ci	.test_all = verify_pselect,
52f08c3bdfSopenharmony_ci};
53