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 <pthread.h>
19#include <stdio.h>
20#include <string.h>
21
22
23static int
24do_test (void)
25{
26 pthread_rwlock_t r;
27 int ret;
28
29 memset (&r, 0xaa, sizeof (r));
30 if ((ret = pthread_rwlock_init (rwlock: &r, NULL)) != 0)
31 {
32 printf (format: "rwlock_init failed: %d\n", ret);
33 return 1;
34 }
35
36 if ((ret = pthread_rwlock_rdlock (rwlock: &r)) != 0)
37 {
38 printf (format: "rwlock_rdlock failed: %d\n", ret);
39 return 1;
40 }
41
42 if ((ret = pthread_rwlock_unlock (rwlock: &r)) != 0)
43 {
44 printf (format: "rwlock_unlock failed: %d\n", ret);
45 return 1;
46 }
47
48 if ((ret = pthread_rwlock_wrlock (rwlock: &r)) != 0)
49 {
50 printf (format: "rwlock_wrlock failed: %d\n", ret);
51 return 1;
52 }
53
54 if ((ret = pthread_rwlock_unlock (rwlock: &r)) != 0)
55 {
56 printf (format: "second rwlock_unlock failed: %d\n", ret);
57 return 1;
58 }
59
60 if ((ret = pthread_rwlock_destroy (rwlock: &r)) != 0)
61 {
62 printf (format: "second rwlock_destroy failed: %d\n", ret);
63 return 1;
64 }
65
66 return 0;
67}
68
69#define TEST_FUNCTION do_test ()
70#include "../test-skeleton.c"
71

source code of glibc/sysdeps/pthread/tst-rwlock13.c