1 /* Copyright (C) 2004-2022 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 <stdio.h>
21 #include <stdlib.h>
22 #include <time.h>
23 #include <support/check.h>
24 #include <support/xthread.h>
25 #include <support/xtime.h>
26
27
28 static pthread_barrier_t b;
29 static pthread_rwlock_t r = PTHREAD_RWLOCK_INITIALIZER;
30
31
32 static void *
tf(void * arg)33 tf (void *arg)
34 {
35 /* Lock the read-write lock. */
36 TEST_COMPARE (pthread_rwlock_wrlock (&r), 0);
37
38 pthread_t mt = *(pthread_t *) arg;
39
40 xpthread_barrier_wait (&b);
41
42 /* This call will never return. */
43 xpthread_join (mt);
44
45 return NULL;
46 }
47
48
49 static int
do_test(void)50 do_test (void)
51 {
52 struct timespec ts;
53
54 xclock_gettime (CLOCK_REALTIME, &ts);
55 xpthread_barrier_init (&b, NULL, 2);
56
57 pthread_t me = pthread_self ();
58 xpthread_create (NULL, tf, &me);
59
60 /* Wait until the rwlock is locked. */
61 xpthread_barrier_wait (&b);
62
63 ts.tv_nsec = -1;
64
65 TEST_COMPARE (pthread_rwlock_timedrdlock (&r, &ts), EINVAL);
66 TEST_COMPARE (pthread_rwlock_clockrdlock (&r, CLOCK_REALTIME, &ts), EINVAL);
67 TEST_COMPARE (pthread_rwlock_clockrdlock (&r, CLOCK_MONOTONIC, &ts), EINVAL);
68 TEST_COMPARE (pthread_rwlock_timedwrlock (&r, &ts), EINVAL);
69 TEST_COMPARE (pthread_rwlock_clockwrlock (&r, CLOCK_REALTIME, &ts), EINVAL);
70 TEST_COMPARE (pthread_rwlock_clockwrlock (&r, CLOCK_MONOTONIC, &ts), EINVAL);
71
72 ts.tv_nsec = 1000000000;
73
74 TEST_COMPARE (pthread_rwlock_timedrdlock (&r, &ts), EINVAL);
75 TEST_COMPARE (pthread_rwlock_clockrdlock (&r, CLOCK_REALTIME, &ts), EINVAL);
76 TEST_COMPARE (pthread_rwlock_clockrdlock (&r, CLOCK_MONOTONIC, &ts), EINVAL);
77 TEST_COMPARE (pthread_rwlock_timedwrlock (&r, &ts), EINVAL);
78 TEST_COMPARE (pthread_rwlock_clockwrlock (&r, CLOCK_REALTIME, &ts), EINVAL);
79 TEST_COMPARE (pthread_rwlock_clockwrlock (&r, CLOCK_MONOTONIC, &ts), EINVAL);
80
81 ts.tv_nsec = (__typeof (ts.tv_nsec)) 0x100001000LL;
82 if ((__typeof (ts.tv_nsec)) 0x100001000LL != 0x100001000LL)
83 ts.tv_nsec = 2000000000;
84
85 TEST_COMPARE (pthread_rwlock_timedrdlock (&r, &ts), EINVAL);
86 TEST_COMPARE (pthread_rwlock_clockrdlock (&r, CLOCK_REALTIME, &ts), EINVAL);
87 TEST_COMPARE (pthread_rwlock_clockrdlock (&r, CLOCK_MONOTONIC, &ts), EINVAL);
88 TEST_COMPARE (pthread_rwlock_timedwrlock (&r, &ts), EINVAL);
89 TEST_COMPARE (pthread_rwlock_clockwrlock (&r, CLOCK_REALTIME, &ts), EINVAL);
90 TEST_COMPARE (pthread_rwlock_clockwrlock (&r, CLOCK_MONOTONIC, &ts), EINVAL);
91
92 return 0;
93 }
94
95 #include <support/test-driver.c>
96