1 /* Copyright (C) 2010-2022 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 <semaphore.h>
21 #include <stdio.h>
22 #include <support/check.h>
23 #include <support/xthread.h>
24
25 static pthread_cond_t c = PTHREAD_COND_INITIALIZER;
26 static pthread_mutex_t m1 = PTHREAD_MUTEX_INITIALIZER;
27 static pthread_mutex_t m2 = PTHREAD_MUTEX_INITIALIZER;
28 static pthread_rwlock_t rw1 = PTHREAD_RWLOCK_INITIALIZER;
29 static pthread_rwlock_t rw2 = PTHREAD_RWLOCK_INITIALIZER;
30 static sem_t sem;
31
32 static void *
th(void * arg)33 th (void *arg)
34 {
35 struct timespec t = { -2, 0 };
36
37 TEST_COMPARE (pthread_mutex_timedlock (&m1, &t), ETIMEDOUT);
38 TEST_COMPARE (pthread_mutex_clocklock (&m1, CLOCK_REALTIME, &t), ETIMEDOUT);
39 TEST_COMPARE (pthread_mutex_clocklock (&m1, CLOCK_MONOTONIC, &t), ETIMEDOUT);
40 TEST_COMPARE (pthread_rwlock_timedrdlock (&rw1, &t), ETIMEDOUT);
41 TEST_COMPARE (pthread_rwlock_timedwrlock (&rw2, &t), ETIMEDOUT);
42 TEST_COMPARE (pthread_rwlock_clockrdlock (&rw1, CLOCK_REALTIME, &t),
43 ETIMEDOUT);
44 TEST_COMPARE (pthread_rwlock_clockwrlock (&rw2, CLOCK_REALTIME, &t),
45 ETIMEDOUT);
46 TEST_COMPARE (pthread_rwlock_clockrdlock (&rw1, CLOCK_MONOTONIC, &t),
47 ETIMEDOUT);
48 TEST_COMPARE (pthread_rwlock_clockwrlock (&rw2, CLOCK_MONOTONIC, &t),
49 ETIMEDOUT);
50 return NULL;
51 }
52
53 static int
do_test(void)54 do_test (void)
55 {
56 struct timespec t = { -2, 0 };
57
58 sem_init (&sem, 0, 0);
59 TEST_COMPARE (sem_timedwait (&sem, &t), -1);
60 TEST_COMPARE (errno, ETIMEDOUT);
61
62 xpthread_mutex_lock (&m1);
63 xpthread_rwlock_wrlock (&rw1);
64 xpthread_rwlock_rdlock (&rw2);
65 xpthread_mutex_lock (&m2);
66 pthread_t pth = xpthread_create (0, th, 0);
67 TEST_COMPARE (pthread_cond_timedwait (&c, &m2, &t), ETIMEDOUT);
68 xpthread_join (pth);
69 return 0;
70 }
71
72 #include <support/test-driver.c>
73