1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) International Business Machines Corp., 2001
4 * 07/2001 Ported by Wayne Boyer
5 *
6 * Ported to new library:
7 * 07/2019 Yang Xu <xuyang2018.jy@cn.fujitsu.com>
8 */
9
10 /*\
11 * [Description]
12 *
13 * Verify that nanosleep() returns -1 and sets errno to EINVAL when failing to suspend the
14 * execution of a process if the specified pause time is invalid.
15 */
16
17 #include <errno.h>
18 #include <time.h>
19 #include "tst_test.h"
20
21 static struct timespec tcases[] = {
22 {.tv_sec = -5, .tv_nsec = 9999},
23 {.tv_sec = 0, .tv_nsec = 1000000000},
24 {.tv_sec = 1, .tv_nsec = -100},
25 };
26
verify_nanosleep(unsigned int n)27 static void verify_nanosleep(unsigned int n)
28 {
29 TEST(nanosleep(&tcases[n], NULL));
30
31 if (TST_RET != -1) {
32 tst_res(TFAIL,
33 "nanosleep() returned %ld, expected -1", TST_RET);
34 return;
35 }
36
37 if (TST_ERR != EINVAL) {
38 tst_res(TFAIL | TTERRNO,
39 "nanosleep() failed,expected EINVAL, got");
40 return;
41 }
42
43 tst_res(TPASS, "nanosleep() failed with EINVAL");
44 }
45
46 static struct tst_test test = {
47 .test = verify_nanosleep,
48 .tcnt = ARRAY_SIZE(tcases),
49 };
50
51