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04277e02 | 1 | /* Copyright (C) 2002-2019 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 | |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
76a50749 UD |
18 | |
19 | #include <errno.h> | |
20 | #include <pthread.h> | |
21 | #include <stdlib.h> | |
22 | #include <stdio.h> | |
23 | #include <string.h> | |
24 | #include <sys/time.h> | |
25 | ||
26 | ||
27 | static int kind[] = | |
28 | { | |
29 | PTHREAD_RWLOCK_PREFER_READER_NP, | |
30 | PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP, | |
31 | PTHREAD_RWLOCK_PREFER_WRITER_NP, | |
32 | }; | |
33 | ||
34 | ||
35 | static void * | |
36 | tf (void *arg) | |
37 | { | |
38 | pthread_rwlock_t *r = arg; | |
39 | ||
40 | /* Timeout: 0.3 secs. */ | |
41 | struct timeval tv; | |
42 | (void) gettimeofday (&tv, NULL); | |
43 | ||
44 | struct timespec ts; | |
45 | TIMEVAL_TO_TIMESPEC (&tv, &ts); | |
46 | ts.tv_nsec += 300000000; | |
47 | if (ts.tv_nsec >= 1000000000) | |
48 | { | |
49 | ts.tv_nsec -= 1000000000; | |
50 | ++ts.tv_sec; | |
51 | } | |
52 | ||
53 | int err = pthread_rwlock_timedwrlock (r, &ts); | |
54 | if (err == 0) | |
55 | { | |
56 | puts ("rwlock_timedwrlock returned"); | |
57 | pthread_exit ((void *) 1l); | |
58 | } | |
59 | ||
60 | if (err != ETIMEDOUT) | |
61 | { | |
62 | printf ("err = %s (%d), expected %s (%d)\n", | |
63 | strerror (err), err, strerror (ETIMEDOUT), ETIMEDOUT); | |
64 | pthread_exit ((void *) 1l); | |
65 | } | |
8980796b | 66 | puts ("child: timedwrlock failed with ETIMEDOUT"); |
76a50749 UD |
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_timedwrlock (r, &ts); | |
86 | if (err == 0) | |
87 | { | |
88 | puts ("2nd timedwrlock succeeded"); | |
89 | pthread_exit ((void *) 1l); | |
90 | } | |
91 | if (err != EINVAL) | |
92 | { | |
93 | puts ("2nd timedwrlock did not return EINVAL"); | |
94 | pthread_exit ((void *) 1l); | |
95 | } | |
8980796b | 96 | puts ("child: timedwrlock failed with EINVAL"); |
0a37669a | 97 | |
76a50749 UD |
98 | return NULL; |
99 | } | |
100 | ||
101 | ||
102 | static int | |
103 | do_test (void) | |
104 | { | |
f9657e88 | 105 | size_t cnt; |
76a50749 UD |
106 | for (cnt = 0; cnt < sizeof (kind) / sizeof (kind[0]); ++cnt) |
107 | { | |
108 | pthread_rwlock_t r; | |
109 | pthread_rwlockattr_t a; | |
110 | ||
111 | if (pthread_rwlockattr_init (&a) != 0) | |
112 | { | |
1472a752 | 113 | printf ("round %Zu: rwlockattr_t failed\n", cnt); |
76a50749 UD |
114 | exit (1); |
115 | } | |
116 | ||
117 | if (pthread_rwlockattr_setkind_np (&a, kind[cnt]) != 0) | |
118 | { | |
1472a752 | 119 | printf ("round %Zu: rwlockattr_setkind failed\n", cnt); |
76a50749 UD |
120 | exit (1); |
121 | } | |
122 | ||
123 | if (pthread_rwlock_init (&r, &a) != 0) | |
124 | { | |
1472a752 | 125 | printf ("round %Zu: rwlock_init failed\n", cnt); |
76a50749 UD |
126 | exit (1); |
127 | } | |
128 | ||
129 | if (pthread_rwlockattr_destroy (&a) != 0) | |
130 | { | |
1472a752 | 131 | printf ("round %Zu: rwlockattr_destroy failed\n", cnt); |
76a50749 UD |
132 | exit (1); |
133 | } | |
134 | ||
135 | struct timeval tv; | |
136 | (void) gettimeofday (&tv, NULL); | |
137 | ||
138 | struct timespec ts; | |
139 | TIMEVAL_TO_TIMESPEC (&tv, &ts); | |
140 | ||
141 | ++ts.tv_sec; | |
142 | ||
143 | /* Get a read lock. */ | |
144 | if (pthread_rwlock_timedrdlock (&r, &ts) != 0) | |
145 | { | |
1472a752 | 146 | printf ("round %Zu: rwlock_timedrdlock failed\n", cnt); |
76a50749 UD |
147 | exit (1); |
148 | } | |
8980796b | 149 | printf ("%zu: got timedrdlock\n", cnt); |
76a50749 UD |
150 | |
151 | pthread_t th; | |
152 | if (pthread_create (&th, NULL, tf, &r) != 0) | |
153 | { | |
1472a752 | 154 | printf ("round %Zu: create failed\n", cnt); |
76a50749 UD |
155 | exit (1); |
156 | } | |
157 | ||
158 | void *status; | |
159 | if (pthread_join (th, &status) != 0) | |
160 | { | |
1472a752 | 161 | printf ("round %Zu: join failed\n", cnt); |
76a50749 UD |
162 | exit (1); |
163 | } | |
164 | if (status != NULL) | |
165 | { | |
65d46efe | 166 | printf ("failure in round %Zu\n", cnt); |
76a50749 UD |
167 | exit (1); |
168 | } | |
169 | ||
170 | if (pthread_rwlock_destroy (&r) != 0) | |
171 | { | |
1472a752 | 172 | printf ("round %Zu: rwlock_destroy failed\n", cnt); |
76a50749 UD |
173 | exit (1); |
174 | } | |
175 | } | |
176 | ||
177 | return 0; | |
178 | } | |
179 | ||
180 | #define TEST_FUNCTION do_test () | |
181 | #include "../test-skeleton.c" |