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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#include <errno.h>
20#include <pthread.h>
21#include <stdio.h>
22
23
24static int
25do_test (void)
26{
27 pthread_rwlock_t r;
28 pthread_rwlockattr_t at;
29 int e;
30
31 if (pthread_rwlockattr_init (&at) != 0)
32 {
33 puts ("rwlockattr_init failed");
34 return 1;
35 }
36 puts ("rwlockattr_init succeeded");
37
38#ifndef TYPE
39# define TYPE PTHREAD_RWLOCK_PREFER_READER_NP
40#endif
41
42 if (pthread_rwlockattr_setkind_np (&at, TYPE) != 0)
43 {
44 puts ("rwlockattr_setkind failed");
45 return 1;
46 }
47 puts ("rwlockattr_setkind succeeded");
48
49 if (pthread_rwlock_init (&r, &at) != 0)
50 {
51 puts ("rwlock_init failed");
52 return 1;
53 }
54 puts ("rwlock_init succeeded");
55
56 if (pthread_rwlockattr_destroy (&at) != 0)
57 {
58 puts ("rwlockattr_destroy failed");
59 return 1;
60 }
61 puts ("rwlockattr_destroy succeeded");
62
63 if (pthread_rwlock_wrlock (&r) != 0)
64 {
65 puts ("1st rwlock_wrlock failed");
66 return 1;
67 }
68 puts ("1st rwlock_wrlock succeeded");
69
70 e = pthread_rwlock_tryrdlock (&r);
71 if (e == 0)
72 {
73 puts ("rwlock_tryrdlock on rwlock with writer succeeded");
74 return 1;
75 }
76 if (e != EBUSY)
77 {
78 puts ("rwlock_tryrdlock on rwlock with writer return value != EBUSY");
79 return 1;
80 }
81 puts ("rwlock_tryrdlock on rwlock with writer failed with EBUSY");
82
83 e = pthread_rwlock_trywrlock (&r);
84 if (e == 0)
85 {
86 puts ("rwlock_trywrlock on rwlock with writer succeeded");
87 return 1;
88 }
89 if (e != EBUSY)
90 {
91 puts ("rwlock_trywrlock on rwlock with writer return value != EBUSY");
92 return 1;
93 }
94 puts ("rwlock_trywrlock on rwlock with writer failed with EBUSY");
95
96 if (pthread_rwlock_unlock (&r) != 0)
97 {
98 puts ("1st rwlock_unlock failed");
99 return 1;
100 }
101 puts ("1st rwlock_unlock succeeded");
102
103 if (pthread_rwlock_tryrdlock (&r) != 0)
104 {
105 puts ("rwlock_tryrdlock on unlocked rwlock failed");
106 return 1;
107 }
108 puts ("rwlock_tryrdlock on unlocked rwlock succeeded");
109
110 e = pthread_rwlock_trywrlock (&r);
111 if (e == 0)
112 {
113 puts ("rwlock_trywrlock on rwlock with reader succeeded");
114 return 1;
115 }
116 if (e != EBUSY)
117 {
118 puts ("rwlock_trywrlock on rwlock with reader return value != EBUSY");
119 return 1;
120 }
121 puts ("rwlock_trywrlock on rwlock with reader failed with EBUSY");
122
123 if (pthread_rwlock_unlock (&r) != 0)
124 {
125 puts ("2nd rwlock_unlock failed");
126 return 1;
127 }
128 puts ("2nd rwlock_unlock succeeded");
129
130 if (pthread_rwlock_trywrlock (&r) != 0)
131 {
132 puts ("rwlock_trywrlock on unlocked rwlock failed");
133 return 1;
134 }
135 puts ("rwlock_trywrlock on unlocked rwlock succeeded");
136
137 e = pthread_rwlock_tryrdlock (&r);
138 if (e == 0)
139 {
140 puts ("rwlock_tryrdlock on rwlock with writer succeeded");
141 return 1;
142 }
143 if (e != EBUSY)
144 {
145 puts ("rwlock_tryrdlock on rwlock with writer return value != EBUSY");
146 return 1;
147 }
148 puts ("rwlock_tryrdlock on rwlock with writer failed with EBUSY");
149
150 if (pthread_rwlock_unlock (&r) != 0)
151 {
152 puts ("3rd rwlock_unlock failed");
153 return 1;
154 }
155 puts ("3rd rwlock_unlock succeeded");
156
157 if (pthread_rwlock_destroy (&r) != 0)
158 {
159 puts ("rwlock_destroy failed");
160 return 1;
161 }
162 puts ("rwlock_destroy succeeded");
163
164 return 0;
165}
166
167#define TEST_FUNCTION do_test ()
168#include "../test-skeleton.c"
169

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