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 <pthread.h>
19 #include <stdio.h>
20 
21 
22 static int
do_test(void)23 do_test (void)
24 {
25   pthread_rwlock_t r;
26 
27   if (pthread_rwlock_init (&r, NULL) != 0)
28     {
29       puts ("rwlock_init failed");
30       return 1;
31     }
32   puts ("rwlock_init succeeded");
33 
34   if (pthread_rwlock_rdlock (&r) != 0)
35     {
36       puts ("1st rwlock_rdlock failed");
37       return 1;
38     }
39   puts ("1st rwlock_rdlock succeeded");
40 
41   if (pthread_rwlock_rdlock (&r) != 0)
42     {
43       puts ("2nd rwlock_rdlock failed");
44       return 1;
45     }
46   puts ("2nd rwlock_rdlock succeeded");
47 
48   if (pthread_rwlock_unlock (&r) != 0)
49     {
50       puts ("1st rwlock_unlock failed");
51       return 1;
52     }
53   puts ("1st rwlock_unlock succeeded");
54 
55   if (pthread_rwlock_unlock (&r) != 0)
56     {
57       puts ("2nd rwlock_unlock failed");
58       return 1;
59     }
60   puts ("2nd rwlock_unlock succeeded");
61 
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   if (pthread_rwlock_unlock (&r) != 0)
70     {
71       puts ("3rd rwlock_unlock failed");
72       return 1;
73     }
74   puts ("3rd rwlock_unlock succeeded");
75 
76   if (pthread_rwlock_wrlock (&r) != 0)
77     {
78       puts ("2nd rwlock_wrlock failed");
79       return 1;
80     }
81   puts ("2nd rwlock_wrlock succeeded");
82 
83   if (pthread_rwlock_unlock (&r) != 0)
84     {
85       puts ("4th rwlock_unlock failed");
86       return 1;
87     }
88   puts ("4th rwlock_unlock succeeded");
89 
90   if (pthread_rwlock_rdlock (&r) != 0)
91     {
92       puts ("3rd rwlock_rdlock failed");
93       return 1;
94     }
95   puts ("3rd rwlock_rdlock succeeded");
96 
97   if (pthread_rwlock_unlock (&r) != 0)
98     {
99       puts ("5th rwlock_unlock failed");
100       return 1;
101     }
102   puts ("5th rwlock_unlock succeeded");
103 
104   if (pthread_rwlock_destroy (&r) != 0)
105     {
106       puts ("rwlock_destroy failed");
107       return 1;
108     }
109   puts ("rwlock_destroy succeeded");
110 
111   return 0;
112 }
113 
114 #define TEST_FUNCTION do_test ()
115 #include "../test-skeleton.c"
116