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04277e02 | 1 | /* Copyright (C) 2002-2019 Free Software Foundation, Inc. |
76a50749 UD |
2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. | |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
76a50749 UD |
18 | |
19 | #include <pthread.h> | |
20 | #include <signal.h> | |
21 | #include <stdio.h> | |
22 | #include <stdlib.h> | |
23 | #include <unistd.h> | |
24 | ||
7e625f7e FW |
25 | static int do_test (void); |
26 | ||
27 | #define TEST_FUNCTION do_test () | |
28 | #include "../test-skeleton.c" | |
76a50749 UD |
29 | |
30 | static pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER; | |
31 | static pthread_rwlock_t r; | |
32 | ||
33 | ||
34 | static void * | |
35 | tf (void *arg) | |
36 | { | |
37 | if (pthread_rwlock_wrlock (&r) == 0) | |
38 | { | |
39 | puts ("child: rwlock_wrlock succeeded"); | |
40 | exit (1); | |
41 | } | |
42 | ||
43 | puts ("child: rwlock_wrlock returned"); | |
44 | ||
45 | exit (1); | |
46 | } | |
47 | ||
48 | ||
49 | static int | |
50 | do_test (void) | |
51 | { | |
52 | pthread_t th; | |
53 | ||
54 | if (pthread_rwlock_init (&r, NULL) != 0) | |
55 | { | |
56 | puts ("rwlock_init failed"); | |
57 | return 1; | |
58 | } | |
59 | ||
60 | if (pthread_rwlock_wrlock (&r) != 0) | |
61 | { | |
62 | puts ("rwlock_wrlock failed"); | |
63 | return 1; | |
64 | } | |
65 | ||
66 | if (pthread_mutex_lock (&m) != 0) | |
67 | { | |
68 | puts ("mutex_lock failed"); | |
69 | return 1; | |
70 | } | |
71 | ||
76a50749 UD |
72 | if (pthread_create (&th, NULL, tf, NULL) != 0) |
73 | { | |
74 | puts ("create failed"); | |
75 | return 1; | |
76 | } | |
77 | ||
7e625f7e | 78 | delayed_exit (1); |
76a50749 | 79 | /* This call should never return. */ |
7e625f7e | 80 | xpthread_mutex_lock (&m); |
76a50749 UD |
81 | |
82 | puts ("2nd mutex_lock returned"); | |
83 | return 1; | |
84 | } |