1/* Copyright (C) 2004-2024 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18#include <errno.h>
19#include <pthread.h>
20#include <stdio.h>
21#include <stdlib.h>
22#include <time.h>
23
24
25static pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
26static pthread_mutex_t mut = PTHREAD_MUTEX_INITIALIZER;
27
28
29static int
30do_test (void)
31{
32 int result = 0;
33 struct timespec ts;
34
35 if (clock_gettime (CLOCK_REALTIME, tp: &ts) != 0)
36 {
37 puts (s: "clock_gettime failed");
38 return 1;
39 }
40
41 ts.tv_nsec = -1;
42
43 int e = pthread_cond_timedwait (cond: &cond, mutex: &mut, abstime: &ts);
44 if (e == 0)
45 {
46 puts (s: "first cond_timedwait did not fail");
47 result = 1;
48 }
49 else if (e != EINVAL)
50 {
51 puts (s: "first cond_timedwait did not return EINVAL");
52 result = 1;
53 }
54
55 ts.tv_nsec = 2000000000;
56
57 e = pthread_cond_timedwait (cond: &cond, mutex: &mut, abstime: &ts);
58 if (e == 0)
59 {
60 puts (s: "second cond_timedwait did not fail");
61 result = 1;
62 }
63 else if (e != EINVAL)
64 {
65 puts (s: "second cond_timedwait did not return EINVAL");
66 result = 1;
67 }
68
69 return result;
70}
71
72
73#define TEST_FUNCTION do_test ()
74#include "../test-skeleton.c"
75

source code of glibc/sysdeps/pthread/tst-cond19.c