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6d7e8eda | 1 | /* Copyright (C) 2002-2023 Free Software Foundation, Inc. |
76a50749 | 2 | This file is part of the GNU C Library. |
76a50749 UD |
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 | |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
76a50749 UD |
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; | |
10bb97c7 | 27 | pthread_rwlockattr_t at; |
76a50749 UD |
28 | int e; |
29 | ||
10bb97c7 UD |
30 | if (pthread_rwlockattr_init (&at) != 0) |
31 | { | |
32 | puts ("rwlockattr_init failed"); | |
33 | return 1; | |
34 | } | |
35 | puts ("rwlockattr_init succeeded"); | |
36 | ||
37 | #ifndef TYPE | |
38 | # define TYPE PTHREAD_RWLOCK_PREFER_READER_NP | |
39 | #endif | |
40 | ||
41 | if (pthread_rwlockattr_setkind_np (&at, TYPE) != 0) | |
42 | { | |
43 | puts ("rwlockattr_setkind failed"); | |
44 | return 1; | |
45 | } | |
46 | puts ("rwlockattr_setkind succeeded"); | |
47 | ||
48 | if (pthread_rwlock_init (&r, &at) != 0) | |
76a50749 UD |
49 | { |
50 | puts ("rwlock_init failed"); | |
51 | return 1; | |
52 | } | |
53 | puts ("rwlock_init succeeded"); | |
54 | ||
10bb97c7 UD |
55 | if (pthread_rwlockattr_destroy (&at) != 0) |
56 | { | |
57 | puts ("rwlockattr_destroy failed"); | |
58 | return 1; | |
59 | } | |
60 | puts ("rwlockattr_destroy succeeded"); | |
61 | ||
76a50749 UD |
62 | if (pthread_rwlock_wrlock (&r) != 0) |
63 | { | |
64 | puts ("1st rwlock_wrlock failed"); | |
65 | return 1; | |
66 | } | |
67 | puts ("1st rwlock_wrlock succeeded"); | |
68 | ||
69 | e = pthread_rwlock_tryrdlock (&r); | |
70 | if (e == 0) | |
71 | { | |
72 | puts ("rwlock_tryrdlock on rwlock with writer succeeded"); | |
73 | return 1; | |
74 | } | |
75 | if (e != EBUSY) | |
76 | { | |
77 | puts ("rwlock_tryrdlock on rwlock with writer return value != EBUSY"); | |
78 | return 1; | |
79 | } | |
80 | puts ("rwlock_tryrdlock on rwlock with writer failed with EBUSY"); | |
81 | ||
82 | e = pthread_rwlock_trywrlock (&r); | |
83 | if (e == 0) | |
84 | { | |
85 | puts ("rwlock_trywrlock on rwlock with writer succeeded"); | |
86 | return 1; | |
87 | } | |
88 | if (e != EBUSY) | |
89 | { | |
90 | puts ("rwlock_trywrlock on rwlock with writer return value != EBUSY"); | |
91 | return 1; | |
92 | } | |
93 | puts ("rwlock_trywrlock on rwlock with writer failed with EBUSY"); | |
94 | ||
95 | if (pthread_rwlock_unlock (&r) != 0) | |
96 | { | |
97 | puts ("1st rwlock_unlock failed"); | |
98 | return 1; | |
99 | } | |
100 | puts ("1st rwlock_unlock succeeded"); | |
101 | ||
102 | if (pthread_rwlock_tryrdlock (&r) != 0) | |
103 | { | |
104 | puts ("rwlock_tryrdlock on unlocked rwlock failed"); | |
105 | return 1; | |
106 | } | |
107 | puts ("rwlock_tryrdlock on unlocked rwlock succeeded"); | |
108 | ||
109 | e = pthread_rwlock_trywrlock (&r); | |
110 | if (e == 0) | |
111 | { | |
112 | puts ("rwlock_trywrlock on rwlock with reader succeeded"); | |
113 | return 1; | |
114 | } | |
115 | if (e != EBUSY) | |
116 | { | |
117 | puts ("rwlock_trywrlock on rwlock with reader return value != EBUSY"); | |
118 | return 1; | |
119 | } | |
120 | puts ("rwlock_trywrlock on rwlock with reader failed with EBUSY"); | |
121 | ||
122 | if (pthread_rwlock_unlock (&r) != 0) | |
123 | { | |
124 | puts ("2nd rwlock_unlock failed"); | |
125 | return 1; | |
126 | } | |
127 | puts ("2nd rwlock_unlock succeeded"); | |
128 | ||
129 | if (pthread_rwlock_trywrlock (&r) != 0) | |
130 | { | |
131 | puts ("rwlock_trywrlock on unlocked rwlock failed"); | |
132 | return 1; | |
133 | } | |
134 | puts ("rwlock_trywrlock on unlocked rwlock succeeded"); | |
135 | ||
136 | e = pthread_rwlock_tryrdlock (&r); | |
137 | if (e == 0) | |
138 | { | |
139 | puts ("rwlock_tryrdlock on rwlock with writer succeeded"); | |
140 | return 1; | |
141 | } | |
142 | if (e != EBUSY) | |
143 | { | |
144 | puts ("rwlock_tryrdlock on rwlock with writer return value != EBUSY"); | |
145 | return 1; | |
146 | } | |
147 | puts ("rwlock_tryrdlock on rwlock with writer failed with EBUSY"); | |
148 | ||
149 | if (pthread_rwlock_unlock (&r) != 0) | |
150 | { | |
151 | puts ("3rd rwlock_unlock failed"); | |
152 | return 1; | |
153 | } | |
154 | puts ("3rd rwlock_unlock succeeded"); | |
155 | ||
156 | if (pthread_rwlock_destroy (&r) != 0) | |
157 | { | |
158 | puts ("rwlock_destroy failed"); | |
159 | return 1; | |
160 | } | |
161 | puts ("rwlock_destroy succeeded"); | |
162 | ||
163 | return 0; | |
164 | } | |
165 | ||
166 | #define TEST_FUNCTION do_test () | |
167 | #include "../test-skeleton.c" |