1 | /* Copyright (C) 2002-2022 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 | /* This test case checks more than standard compliance. An |
19 | implementation may provide this service but it is not required to |
20 | do so. */ |
21 | |
22 | #include <errno.h> |
23 | #include <pthread.h> |
24 | #include <stdio.h> |
25 | |
26 | |
27 | static int |
28 | do_test (void) |
29 | { |
30 | pthread_rwlock_t r; |
31 | int e; |
32 | |
33 | if (pthread_rwlock_init (rwlock: &r, NULL) != 0) |
34 | { |
35 | puts (s: "rwlock_init failed" ); |
36 | return 1; |
37 | } |
38 | puts (s: "rwlock_init succeeded" ); |
39 | |
40 | if (pthread_rwlock_trywrlock (rwlock: &r) != 0) |
41 | { |
42 | puts (s: "rwlock_trywrlock on unlocked rwlock failed" ); |
43 | return 1; |
44 | } |
45 | puts (s: "rwlock_trywrlock on unlocked rwlock succeeded" ); |
46 | |
47 | e = pthread_rwlock_rdlock (rwlock: &r); |
48 | if (e == 0) |
49 | { |
50 | puts (s: "rwlock_rdlock on rwlock with writer succeeded" ); |
51 | return 1; |
52 | } |
53 | if (e != EDEADLK) |
54 | { |
55 | puts (s: "rwlock_rdlock on rwlock with writer failed != EDEADLK" ); |
56 | return 1; |
57 | } |
58 | puts (s: "rwlock_rdlock on rwlock with writer failed with EDEADLK" ); |
59 | |
60 | e = pthread_rwlock_wrlock (rwlock: &r); |
61 | if (e == 0) |
62 | { |
63 | puts (s: "rwlock_wrlock on rwlock with writer succeeded" ); |
64 | return 1; |
65 | } |
66 | if (e != EDEADLK) |
67 | { |
68 | puts (s: "rwlock_wrlock on rwlock with writer failed != EDEADLK" ); |
69 | return 1; |
70 | } |
71 | puts (s: "rwlock_wrlock on rwlock with writer failed with EDEADLK" ); |
72 | |
73 | if (pthread_rwlock_unlock (rwlock: &r) != 0) |
74 | { |
75 | puts (s: "rwlock_unlock failed" ); |
76 | return 1; |
77 | } |
78 | puts (s: "rwlock_unlock succeeded" ); |
79 | |
80 | if (pthread_rwlock_destroy (rwlock: &r) != 0) |
81 | { |
82 | puts (s: "rwlock_destroy failed" ); |
83 | return 1; |
84 | } |
85 | puts (s: "rwlock_destroy succeeded" ); |
86 | |
87 | return 0; |
88 | } |
89 | |
90 | #define TEST_FUNCTION do_test () |
91 | #include "../test-skeleton.c" |
92 | |