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0a37669a | 1 | /* Copyright (C) 2002, 2003 Free Software Foundation, Inc. |
76a50749 UD |
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, write to the Free | |
17 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
18 | 02111-1307 USA. */ | |
19 | ||
20 | #include <errno.h> | |
21 | #include <pthread.h> | |
22 | #include <stdlib.h> | |
23 | #include <stdio.h> | |
24 | #include <string.h> | |
25 | #include <sys/time.h> | |
26 | ||
27 | ||
28 | static int kind[] = | |
29 | { | |
30 | PTHREAD_RWLOCK_PREFER_READER_NP, | |
31 | PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP, | |
32 | PTHREAD_RWLOCK_PREFER_WRITER_NP, | |
33 | }; | |
34 | ||
35 | ||
36 | static void * | |
37 | tf (void *arg) | |
38 | { | |
39 | pthread_rwlock_t *r = arg; | |
40 | ||
41 | /* Timeout: 0.3 secs. */ | |
42 | struct timeval tv; | |
43 | (void) gettimeofday (&tv, NULL); | |
44 | ||
45 | struct timespec ts; | |
46 | TIMEVAL_TO_TIMESPEC (&tv, &ts); | |
47 | ts.tv_nsec += 300000000; | |
48 | if (ts.tv_nsec >= 1000000000) | |
49 | { | |
50 | ts.tv_nsec -= 1000000000; | |
51 | ++ts.tv_sec; | |
52 | } | |
53 | ||
54 | int err = pthread_rwlock_timedrdlock (r, &ts); | |
55 | if (err == 0) | |
56 | { | |
57 | puts ("rwlock_timedrdlock returned"); | |
58 | pthread_exit ((void *) 1l); | |
59 | } | |
60 | ||
61 | if (err != ETIMEDOUT) | |
62 | { | |
63 | printf ("err = %s (%d), expected %s (%d)\n", | |
64 | strerror (err), err, strerror (ETIMEDOUT), ETIMEDOUT); | |
65 | pthread_exit ((void *) 1l); | |
66 | } | |
67 | ||
68 | struct timeval tv2; | |
69 | (void) gettimeofday (&tv2, NULL); | |
70 | ||
71 | timersub (&tv2, &tv, &tv); | |
72 | ||
73 | if (tv.tv_usec < 200000) | |
74 | { | |
75 | puts ("timeout too short"); | |
76 | pthread_exit ((void *) 1l); | |
77 | } | |
78 | ||
0a37669a UD |
79 | (void) gettimeofday (&tv, NULL); |
80 | TIMEVAL_TO_TIMESPEC (&tv, &ts); | |
81 | ts.tv_sec += 10; | |
82 | /* Note that the following operation makes ts invalid. */ | |
83 | ts.tv_nsec += 1000000000; | |
84 | ||
85 | err = pthread_rwlock_timedrdlock (r, &ts); | |
86 | if (err == 0) | |
87 | { | |
88 | puts ("2nd timedrdlock succeeded"); | |
89 | pthread_exit ((void *) 1l); | |
90 | } | |
91 | if (err != EINVAL) | |
92 | { | |
93 | puts ("2nd timedrdlock did not return EINVAL"); | |
94 | pthread_exit ((void *) 1l); | |
95 | } | |
96 | ||
76a50749 UD |
97 | return NULL; |
98 | } | |
99 | ||
100 | ||
101 | static int | |
102 | do_test (void) | |
103 | { | |
104 | int cnt; | |
105 | for (cnt = 0; cnt < sizeof (kind) / sizeof (kind[0]); ++cnt) | |
106 | { | |
107 | pthread_rwlock_t r; | |
108 | pthread_rwlockattr_t a; | |
109 | ||
110 | if (pthread_rwlockattr_init (&a) != 0) | |
111 | { | |
112 | printf ("round %d: rwlockattr_t failed\n", cnt); | |
113 | exit (1); | |
114 | } | |
115 | ||
116 | if (pthread_rwlockattr_setkind_np (&a, kind[cnt]) != 0) | |
117 | { | |
118 | printf ("round %d: rwlockattr_setkind failed\n", cnt); | |
119 | exit (1); | |
120 | } | |
121 | ||
122 | if (pthread_rwlock_init (&r, &a) != 0) | |
123 | { | |
124 | printf ("round %d: rwlock_init failed\n", cnt); | |
125 | exit (1); | |
126 | } | |
127 | ||
128 | if (pthread_rwlockattr_destroy (&a) != 0) | |
129 | { | |
130 | printf ("round %d: rwlockattr_destroy failed\n", cnt); | |
131 | exit (1); | |
132 | } | |
133 | ||
134 | struct timeval tv; | |
135 | (void) gettimeofday (&tv, NULL); | |
136 | ||
137 | struct timespec ts; | |
138 | TIMEVAL_TO_TIMESPEC (&tv, &ts); | |
139 | ||
140 | ++ts.tv_sec; | |
141 | ||
142 | /* Get a write lock. */ | |
143 | if (pthread_rwlock_timedwrlock (&r, &ts) != 0) | |
144 | { | |
145 | printf ("round %d: rwlock_wrlock failed\n", cnt); | |
146 | exit (1); | |
147 | } | |
148 | ||
0a37669a UD |
149 | (void) gettimeofday (&tv, NULL); |
150 | TIMEVAL_TO_TIMESPEC (&tv, &ts); | |
151 | ++ts.tv_sec; | |
152 | int e = pthread_rwlock_timedrdlock (&r, &ts); | |
153 | if (e == 0) | |
154 | { | |
155 | puts ("timedrdlock succeeded"); | |
156 | exit (1); | |
157 | } | |
158 | if (e != EDEADLK) | |
159 | { | |
160 | puts ("timedrdlock did not return EDEADLK"); | |
161 | exit (1); | |
162 | } | |
163 | ||
164 | (void) gettimeofday (&tv, NULL); | |
165 | TIMEVAL_TO_TIMESPEC (&tv, &ts); | |
166 | ++ts.tv_sec; | |
167 | e = pthread_rwlock_timedwrlock (&r, &ts); | |
168 | if (e == 0) | |
169 | { | |
170 | puts ("2nd timedwrlock succeeded"); | |
171 | exit (1); | |
172 | } | |
173 | if (e != EDEADLK) | |
174 | { | |
175 | puts ("2nd timedwrlock did not return EDEADLK"); | |
176 | exit (1); | |
177 | } | |
178 | ||
76a50749 UD |
179 | pthread_t th; |
180 | if (pthread_create (&th, NULL, tf, &r) != 0) | |
181 | { | |
182 | printf ("round %d: create failed\n", cnt); | |
183 | exit (1); | |
184 | } | |
185 | ||
186 | void *status; | |
187 | if (pthread_join (th, &status) != 0) | |
188 | { | |
189 | printf ("round %d: join failed\n", cnt); | |
190 | exit (1); | |
191 | } | |
192 | if (status != NULL) | |
193 | { | |
194 | printf ("failure in round %d\n", cnt); | |
195 | exit (1); | |
196 | } | |
197 | ||
198 | if (pthread_rwlock_destroy (&r) != 0) | |
199 | { | |
200 | printf ("round %d: rwlock_destroy failed\n", cnt); | |
201 | exit (1); | |
202 | } | |
203 | } | |
204 | ||
205 | return 0; | |
206 | } | |
207 | ||
208 | #define TEST_FUNCTION do_test () | |
209 | #include "../test-skeleton.c" |