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 | #include <errno.h> |
19 | #include <pthread.h> |
20 | #include <stdio.h> |
21 | |
22 | |
23 | static int |
24 | do_test (void) |
25 | { |
26 | pthread_rwlock_t r; |
27 | pthread_rwlockattr_t at; |
28 | int e; |
29 | |
30 | if (pthread_rwlockattr_init (attr: &at) != 0) |
31 | { |
32 | puts (s: "rwlockattr_init failed" ); |
33 | return 1; |
34 | } |
35 | puts (s: "rwlockattr_init succeeded" ); |
36 | |
37 | #ifndef TYPE |
38 | # define TYPE PTHREAD_RWLOCK_PREFER_READER_NP |
39 | #endif |
40 | |
41 | if (pthread_rwlockattr_setkind_np (attr: &at, TYPE) != 0) |
42 | { |
43 | puts (s: "rwlockattr_setkind failed" ); |
44 | return 1; |
45 | } |
46 | puts (s: "rwlockattr_setkind succeeded" ); |
47 | |
48 | if (pthread_rwlock_init (rwlock: &r, attr: &at) != 0) |
49 | { |
50 | puts (s: "rwlock_init failed" ); |
51 | return 1; |
52 | } |
53 | puts (s: "rwlock_init succeeded" ); |
54 | |
55 | if (pthread_rwlockattr_destroy (attr: &at) != 0) |
56 | { |
57 | puts (s: "rwlockattr_destroy failed" ); |
58 | return 1; |
59 | } |
60 | puts (s: "rwlockattr_destroy succeeded" ); |
61 | |
62 | if (pthread_rwlock_wrlock (rwlock: &r) != 0) |
63 | { |
64 | puts (s: "1st rwlock_wrlock failed" ); |
65 | return 1; |
66 | } |
67 | puts (s: "1st rwlock_wrlock succeeded" ); |
68 | |
69 | e = pthread_rwlock_tryrdlock (rwlock: &r); |
70 | if (e == 0) |
71 | { |
72 | puts (s: "rwlock_tryrdlock on rwlock with writer succeeded" ); |
73 | return 1; |
74 | } |
75 | if (e != EBUSY) |
76 | { |
77 | puts (s: "rwlock_tryrdlock on rwlock with writer return value != EBUSY" ); |
78 | return 1; |
79 | } |
80 | puts (s: "rwlock_tryrdlock on rwlock with writer failed with EBUSY" ); |
81 | |
82 | e = pthread_rwlock_trywrlock (rwlock: &r); |
83 | if (e == 0) |
84 | { |
85 | puts (s: "rwlock_trywrlock on rwlock with writer succeeded" ); |
86 | return 1; |
87 | } |
88 | if (e != EBUSY) |
89 | { |
90 | puts (s: "rwlock_trywrlock on rwlock with writer return value != EBUSY" ); |
91 | return 1; |
92 | } |
93 | puts (s: "rwlock_trywrlock on rwlock with writer failed with EBUSY" ); |
94 | |
95 | if (pthread_rwlock_unlock (rwlock: &r) != 0) |
96 | { |
97 | puts (s: "1st rwlock_unlock failed" ); |
98 | return 1; |
99 | } |
100 | puts (s: "1st rwlock_unlock succeeded" ); |
101 | |
102 | if (pthread_rwlock_tryrdlock (rwlock: &r) != 0) |
103 | { |
104 | puts (s: "rwlock_tryrdlock on unlocked rwlock failed" ); |
105 | return 1; |
106 | } |
107 | puts (s: "rwlock_tryrdlock on unlocked rwlock succeeded" ); |
108 | |
109 | e = pthread_rwlock_trywrlock (rwlock: &r); |
110 | if (e == 0) |
111 | { |
112 | puts (s: "rwlock_trywrlock on rwlock with reader succeeded" ); |
113 | return 1; |
114 | } |
115 | if (e != EBUSY) |
116 | { |
117 | puts (s: "rwlock_trywrlock on rwlock with reader return value != EBUSY" ); |
118 | return 1; |
119 | } |
120 | puts (s: "rwlock_trywrlock on rwlock with reader failed with EBUSY" ); |
121 | |
122 | if (pthread_rwlock_unlock (rwlock: &r) != 0) |
123 | { |
124 | puts (s: "2nd rwlock_unlock failed" ); |
125 | return 1; |
126 | } |
127 | puts (s: "2nd rwlock_unlock succeeded" ); |
128 | |
129 | if (pthread_rwlock_trywrlock (rwlock: &r) != 0) |
130 | { |
131 | puts (s: "rwlock_trywrlock on unlocked rwlock failed" ); |
132 | return 1; |
133 | } |
134 | puts (s: "rwlock_trywrlock on unlocked rwlock succeeded" ); |
135 | |
136 | e = pthread_rwlock_tryrdlock (rwlock: &r); |
137 | if (e == 0) |
138 | { |
139 | puts (s: "rwlock_tryrdlock on rwlock with writer succeeded" ); |
140 | return 1; |
141 | } |
142 | if (e != EBUSY) |
143 | { |
144 | puts (s: "rwlock_tryrdlock on rwlock with writer return value != EBUSY" ); |
145 | return 1; |
146 | } |
147 | puts (s: "rwlock_tryrdlock on rwlock with writer failed with EBUSY" ); |
148 | |
149 | if (pthread_rwlock_unlock (rwlock: &r) != 0) |
150 | { |
151 | puts (s: "3rd rwlock_unlock failed" ); |
152 | return 1; |
153 | } |
154 | puts (s: "3rd rwlock_unlock succeeded" ); |
155 | |
156 | if (pthread_rwlock_destroy (rwlock: &r) != 0) |
157 | { |
158 | puts (s: "rwlock_destroy failed" ); |
159 | return 1; |
160 | } |
161 | puts (s: "rwlock_destroy succeeded" ); |
162 | |
163 | return 0; |
164 | } |
165 | |
166 | #define TEST_FUNCTION do_test () |
167 | #include "../test-skeleton.c" |
168 | |