1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
/* Copyright (C) 2010-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Andreas Schwab <schwab@redhat.com>, 2010.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <pthread.h>
#include <semaphore.h>
#include <stdio.h>
static pthread_cond_t c = PTHREAD_COND_INITIALIZER;
static pthread_mutex_t m1 = PTHREAD_MUTEX_INITIALIZER;
static pthread_mutex_t m2 = PTHREAD_MUTEX_INITIALIZER;
static pthread_rwlock_t rw1 = PTHREAD_RWLOCK_INITIALIZER;
static pthread_rwlock_t rw2 = PTHREAD_RWLOCK_INITIALIZER;
static sem_t sem;
static void *
th (void *arg)
{
long int res = 0;
int r;
struct timespec t = { -2, 0 };
r = pthread_mutex_timedlock (&m1, &t);
if (r != ETIMEDOUT)
{
puts ("pthread_mutex_timedlock did not return ETIMEDOUT");
res = 1;
}
r = pthread_rwlock_timedrdlock (&rw1, &t);
if (r != ETIMEDOUT)
{
puts ("pthread_rwlock_timedrdlock did not return ETIMEDOUT");
res = 1;
}
r = pthread_rwlock_timedwrlock (&rw2, &t);
if (r != ETIMEDOUT)
{
puts ("pthread_rwlock_timedwrlock did not return ETIMEDOUT");
res = 1;
}
return (void *) res;
}
static int
do_test (void)
{
int res = 0;
int r;
struct timespec t = { -2, 0 };
pthread_t pth;
sem_init (&sem, 0, 0);
r = sem_timedwait (&sem, &t);
if (r != -1 || errno != ETIMEDOUT)
{
puts ("sem_timedwait did not fail with ETIMEDOUT");
res = 1;
}
pthread_mutex_lock (&m1);
pthread_rwlock_wrlock (&rw1);
pthread_rwlock_rdlock (&rw2);
pthread_mutex_lock (&m2);
if (pthread_create (&pth, 0, th, 0) != 0)
{
puts ("cannot create thread");
return 1;
}
r = pthread_cond_timedwait (&c, &m2, &t);
if (r != ETIMEDOUT)
{
puts ("pthread_cond_timedwait did not return ETIMEDOUT");
res = 1;
}
void *thres;
pthread_join (pth, &thres);
return res | (thres != NULL);
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
|
