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1/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
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
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
18
19/* This test case checks more than standard compliance. An
20 implementation may provide this service but it is not required to
21 do so. */
22
23#include <errno.h>
24#include <pthread.h>
25#include <stdio.h>
26
27
28static int
29do_test (void)
30{
31 pthread_rwlock_t r;
32 int e;
33
34 if (pthread_rwlock_init (&r, NULL) != 0)
35 {
36 puts ("rwlock_init failed");
37 return 1;
38 }
39 puts ("rwlock_init succeeded");
40
41 if (pthread_rwlock_trywrlock (&r) != 0)
42 {
43 puts ("rwlock_trywrlock on unlocked rwlock failed");
44 return 1;
45 }
46 puts ("rwlock_trywrlock on unlocked rwlock succeeded");
47
48 e = pthread_rwlock_rdlock (&r);
49 if (e == 0)
50 {
51 puts ("rwlock_rdlock on rwlock with writer succeeded");
52 return 1;
53 }
54 if (e != EDEADLK)
55 {
56 puts ("rwlock_rdlock on rwlock with writer failed != EDEADLK");
57 return 1;
58 }
59 puts ("rwlock_rdlock on rwlock with writer failed with EDEADLK");
60
61 e = pthread_rwlock_wrlock (&r);
62 if (e == 0)
63 {
64 puts ("rwlock_wrlock on rwlock with writer succeeded");
65 return 1;
66 }
67 if (e != EDEADLK)
68 {
69 puts ("rwlock_wrlock on rwlock with writer failed != EDEADLK");
70 return 1;
71 }
72 puts ("rwlock_wrlock on rwlock with writer failed with EDEADLK");
73
74 if (pthread_rwlock_unlock (&r) != 0)
75 {
76 puts ("rwlock_unlock failed");
77 return 1;
78 }
79 puts ("rwlock_unlock succeeded");
80
81 if (pthread_rwlock_destroy (&r) != 0)
82 {
83 puts ("rwlock_destroy failed");
84 return 1;
85 }
86 puts ("rwlock_destroy succeeded");
87
88 return 0;
89}
90
91#define TEST_FUNCTION do_test ()
92#include "../test-skeleton.c"
93

Warning: That file was not part of the compilation database. It may have many parsing errors.